TAMIL NADU TRANSMISSION CORPORATION LIMITED …tnebldc.org/docs_files/FinalAPRIL2017.pdfMonthly...
Transcript of TAMIL NADU TRANSMISSION CORPORATION LIMITED …tnebldc.org/docs_files/FinalAPRIL2017.pdfMonthly...
Sl. NoName of the LDC
Voltage Level (KV)
From Substation To Substation Purpose conditionsRecommend
ationsFrom Date
From Time
To DateTo
TimeNo. of days
Remarks SE Approval
1 Madurai 110 KV KAYATHAR 230 KVOn 110KV Kayathar - Eppodumvandaran
feeder breaker with CT & entire line.
A) For Monthly maintenance work. B) For Tower to
Tower inspectionDuring the LC period. there will be no supply in entire feeder . Hence no SS affected POSSIBLE Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1 0 Approved
2 Erode 110 KV THINGALUR 230 KV110KV ARASUR feeder Breaker,CTs and
Line isolators.Monthly Maintenace Works 110KV VELAMPALAYAM SS availing total shutdown.Feeder will be back charged. possible Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1
subject to
velampalayam ss
availing tsd
Approved
3 Erode 230 KV THINGALUR 230 KVAUTO Transformer 1,HV 1 and LV 1's
Breakers with CTsMonthly Maintenance Works. 110KV VELAMPALAYAM SS availing total shutdown.No SS will be affected. possible Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1
subject to
velampalayam ss
availing tsd
Approved
4 Erode 110 KV Erode 110 KV110 KV ERODE - THIRUVACHI FEEDER
BREAKER AND CTMONTHLY MAINENANCE WORK.
DURING LC PERIOD METTUKADAI 110 KV SS UNDER TOTAL SHUTDOWN
CONDITION. NECESSARY CONCURRENCE OBTAINED FROM SE/EEDC/ERODE.possible Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 15:00 1
subject to
mettukadai ss
availing tsd
Approved
5 Madurai 110 KV PASUMALAI 230 KV110KV Pasumalai - Alagarkoil -1 # Section
between Avaniyapuram and Vandiyur SS
For releasing the jumpers at Loc.33 towards
Alagarkoil and for releasing the Conductors from Loc
No 33 to 34 so as to issue LC for replacement of DC
Line on DC Towers with Leopard Conductor into DC
Line on DC Towers with Panther conductor in the
section between from T.Loc 34 to T.Loc 44 by the
TLC wing
1)110/33-11KV Anupanadi SS loads will be under Interruption . 2)110KV Pasumalai -
Alagarkoil -1 feeder will be kept radial from Alagarkoil upto Vandiyur SS 3)110KV
Pasumalai - Alagarkoil -1 feeder will be kept radial from Pasumalai upto Avaniyapuram
SS 4) Concurrence obtained from SE/Metro / Madurai for the Interruption and from the
SE/Madurai and SE/Sivaganga for the above arrangements
POSSIBLE Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 11:00 1
sub to approval of
long lc and
approval for
interruption to
Anupanadi ss.
Approved
6 Madurai 110 KV PASUMALAI 230 KV110KV Pasumalai - Sakthi Sugars # Section
between Pasumalai and Uranganpatty
For releasing the jumpers towards Sakthi Sugars at
DP Loc No 33/1 and for releasing the Conductors
from DP Loc No 33/1 to DP Loc No 33/2 so as to
issue LC for replacement of DC Line on DC Towers
with Leopard Conductor into DC Line on DC Towers
with Panther conductor in the section from DP Loc
No 33/ 2 to T.Loc 44 by the TLC wing
1) The sakthisugars feeder will be kept fed from Alkl end through 110KV Alagarkoil -
Karaikudi Feeder so as to feed Uranganpatty SS, Nattarmanaglam , Nelmudikarai and
Arasanoor SS upto Sakthisugars. 2) At Uranganpatty SS the switch towards Pasumalai
SS will be kept opened and earthed.3)110KV Sakthisugar -Sivaganga Feeder will be in
grid 4)110KV Alagarkoil - Karaikudi Feeder will be radial from Karaikudi upto
Narasingampatti SS. 5) At Narasingampatti SS the switch towards Alagarkoil will be kept
open. 6) 110/33-11KV Villapuram SS will be under Interruption.7)Concurrence obtained
from SE/Metro / Madurai for the Interruption and from the SE/Madurai and SE/Sivaganga
for the above arrangements
POSSBLE Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 11:00 1
sub to approval of
long lc and
approval for
interruption to
Villapuram ss.
Approved Note to be
put up for approval
(15 days)
7 Erode 110 KV GOBI 230 KV110 KV PERIYAKODIVERY FEEDER
BREAKER,CT'S WITH LINE SWITCH
FOR GRT RELAY TESTING WORK BY P&C/GOBI
AND ALSO FOR MONTHLY MAINTENANCE WORK
110 KV N.G PALAYAM SS,110 KV PERIYAKODIVERY SS,110 KV ALUKULI SS,110 KV
KAVILIPALAYAM AND 110 KV SHENBAGAPUDUR SS MAY AVAIL TOTAL SHUTDOWN
AS PER THE CE/D/Erode APPROVAL.No other SS will affected.
Possible Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1 0 Approved
8 Erode 230 KV Salem 400 KV230 KV Salem Steel Plant I # - Its CT,
BREAKER, BUS & LINE SWITCHESMonthly Maintenance Work
Ltd.,possible Sat, 01-Apr-2017 8:00 Sat, 01-Apr-2017 17:00 1 0 Approved
9 Erode 230 KV Salem 400 KV230 KV Salem Steel Plant I # - Its CT,
BREAKER, BUS & LINE SWITCHESMonthly Maintenance Work
Ltd.,
repeat of
52728Sat, 01-Apr-2017 8:00 Sat, 01-Apr-2017 14:00 1 0 Repeat
10 Madurai 110 KV VALUTHUR 230 KV110KV Valuthur - Perungulam feeder entire
and 110KV bus entire at Perungulam SS.
1.For attending breaker and it's CT's and isolators
Monthly Maintenance work at Valuthur SS.2.For
attending all 110KV bus isolators maintenance work
at Perungulam SS.
During the LC period 110KV VGTPS - Perungulam and 110KV Valuthur - Perungulam
feeders will be cut off from service. 110KV Arkay - Mandapam feeder will be up to
Mandapam SS only. Hence, there is 'no' supply interruption to 110KV Mandapam SS.
Total shut down will be availed at 110KV Perungulam SS.
POSSIBLE Sat, 01-Apr-2017 10:00 Sat, 01-Apr-2017 17:00 1sub to Total s/d of
perungulam ssApproved
11 Madurai 110 KV KARAIKUDI 230 KV On 110KV KKDI-VLDR # S/B KKDI & TVDI. Flashed over Disc replacement work.
During the L.C period the 110KV Amaravathipudur SS under TSD and the feeder will be
tied with grid through 110KV Devakottai feeder.Hence there will be no interruption of
Supply.
POSSIBLE Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1
sub to Total s/d of
Amaravathipudur
ss
Approved
12 Madurai 110 KV KADALANGUDI 230 KV
110KV Kadalangudy- Neyveli TS I feeder
(line portion between 110KV Thirupanandal
SS and Srimushnam SS)
For Line premonsoon inspection and rectification
work.
No interruption to any SS. 110KV Jayankondam SS and Papakudy SS proposed to
shutdown. 110KV Kadalangudy- Neyveli TS I feeder will be in radial condition up to
110KV Thirupanandal SS.
POSSIBLE Sat, 01-Apr-2017 10:00 Sat, 01-Apr-2017 16:00 1 Sub to total s/d Approved
13 Chennai 230 KV TONDIARPET 230 KV 230 KV NCTPS-I FEEDERFOR REPLACEMENT OF LIFE SERVED 245V
BREAKER IN 230 KV NCTPS- I FEEDER
DURING THE PERIOD OF SHUTDOWN , EXCEPT 230 KV NCTPS-I FEEDER ALL
OTHER FEEDERS AND EQUIPMENTS WILL BE IN SERVICE.Pending Sat, 01-Apr-2017 06:00 Mon, 03-Apr-2017 16:00 3 Approved
14 Madurai 110 KV SEMBATTY 230 KV
(i) 110KV SBT - RNPM II # Bkr, CTs and
section bet. SBT and Gandhigramam SS(ii)
110KV SBT - Alundur # Bkr, CTs and section
bet. SBT and Thamaraipadi SS
1. Monthly maintenance work2. Tree cutting work
During the LC period,(i) Gandhigramam SS is availing total shutdown the feeder will be
radial from other end upto Gandhigramam SS.(ii) Sengurichi and Sendurai SS are
availing total shutdown, the feeder will be radial from other end upto Thamaraipadi
SS.Hence no interruption to any SS.
POSSIBLE Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1
sub to load
condition and toal
s/d
Approved
15 Madurai 110 KV KAYATHAR 230 KV110KV KAYATHAR- EPPODUMVENDRAN
FEEDER ENDIRE LINE
FOR(tlc Work) stringing between tower loc 51/0 to
52/0 in the newly erected 230kv dc line from
Kayathar400KVSSto tuticorin autoSS Cross Over
the 110KV Kayathar-Eppodumvendran Feeder (For
Safety Purpose)
During the LC Period,There will be nosupply in entire line POSSIBLE Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1 0 Approved
16 Chennai 230 KV Thiruvalam 400 KV 230KV Thiruvalam Link -II Feeder Maintenance & GRT periodical Relay test 230 Kv Thiruvalam Link-II feeder kept off condition at both end. Posssible Sat, 01-Apr-2017 09:00 Sat, 01-Apr-2017 17:00 1Subject to load
conditionApproved
17 Erode 110 KV ARASUR 230 KVand Its CTs.
For Monthly maintenance work(Kallivelampatty SS
and Naranapuram SS total Shut down)
During the Line Clear period,1)Kallivelampatty SS and Naranapuram SS under total Shut
down.2) 110 KV KPR EHT (Kaniyur unit) and 110 KV Itchipatty ss will be fed through 110
KV Arasur-Kaniyur #.
possible Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 12:00 1subject to tsd
being realizedApproved
TAMIL NADU TRANSMISSION CORPORATION LIMITED
Consolidation of LC for the month of April 2017 at 3rd TNSOCC Meeting
Transmission Lines / Elements Details Proposed Date & Time
18 Madurai 110 KV ALUNDUR 230 KV110KV Alundur - Thanjavur Feeder breaker
and CT's only.
a)Preventive Monthly maintenance work. b)Relay
testing work.
During the LC period, a)110KV Thanjavur- Alundur feeder radially from other end.
b)110KV Ambigapuram SS avail Total shutdown. c) All other 110 KV feeders will be in
service. c) There will be no interruption of supply to any other feeders & SS.
POSSIBLE Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1 0 Approved
19 Erode 110 KV ARASUR 230 KV
110 KV Asr-Palladam feeder Section between
Itchipatty SS,Naranapuram
SS,Kalivelampatty SS & 110 KV Palladam
SS
For PMI Works By AEE/L/PalladamDuring the LC period 110 KV Kalivelampatty SS and 110 KV Naranapuram SS availing
total shutdown.possible Sat, 01-Apr-2017 8:00 Sat, 01-Apr-2017 14:00 1
subject to tsd
being realizedApproved
20 Erode 110 KVKARIAMANGALAM 230
KV
110 KV Gurubarapally feeder breaker,CTs,
Line switch and Line Between 230 KV
Karimangalam SS - 110 KV Krishnagiri SS
Carryout Monthly Maintenance works by
Maintenance wing and Lines wing coconut tree
branch removal of line between 230 KV
Karimangalam SS - 110 KV Krishnagiri SS at Loc
No: (63-64) and Loc No: 34 - Disc Replacement.
110 KV Krishnagiri SS Availing total Shutdown and its Ideally charged feeder hence there
is no interruption of power supply.possible Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 14:00 1
subject to
krishnagirir ss
availing tsd
Approved
21 Madurai 110 KV KADALANGUDI 230 KV
110 KV Kadalangudi - Aduthurai - Neyveli
feeder(Line portion between 110 KV
Thiruppanandal SS and 110 KV Paappakudi
SS)
For premonsoon and rectification works by the
AEE/Lines/Thanjavur.POSSIBLE Sat, 01-Apr-2017 10:00 Sat, 01-Apr-2017 17:00 1 0 Approved
22 Erode 230 KV METTUR AUTO 230 KV 100MVA AUTO TRANSFORMER I OLTC OIL REPLACEMENT WORK During the LC PERIOD 100MVA AUTO TRANSFORMER II WILL BE IN SERVICE possible Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 18:00 1
subject to the
other auto tr
loading limit
Approved
23 Madurai 230 KV THANJAVUR 230 KV100 MVA Auto Transformers-1 & 2, HV- 1 &
2, LV- 1 & 2 Breakers & CTs. (one by one)
1) Monthly maintenance works by the
AEE/Mtce/Thanjavur,2) Relay replacement works
(i.e. Transformer differential relay from static to
numerical) in Auto Transformer-2 by the
AEE/P&C/Thanjavur.
During the LC period,1) Thanjavur 110 KV Grid SS will avail shutdown in 33 KV
feeders,2) further only if required, 110 KV Thanjavur-NTKudi feeder's tie may be kept
opened at Thanjavur 230 KV SS for containing auto transformer's load,3) all 230 KV &
other 110 KV feeders will be in tied condition,4) no supply interruption to any SS.
NOT
POSSIBLESat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1
Additional Total
s/d may be
programmed
Not Approved
24 Erode 110 KV PALLADAM 230 KV
110 KV palladam - veerapandy feeder
breaker,CT's and line side isolator with line
up to Kalelampatty SS and Naranapuram SS
1).To carryout Monthly maintenance works by
AEE/maintenance/palladam2). To carryout
Premonsoon inspection on Lines by
AEE/Lines/Palladam
During the LC period 1). 110 KV Veerapandy SS availing Total shutdown2). No other Sub
station will be affectedpossible Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1
subject to
veerapandy ss
availing tsd
Approved
25 Erode 230 KV PALLADAM 230 KVAuto transformer I and its HV and LV side
breaker ,CT's and LAS
1).To carryout Monthly maintenance by
AEE/Maintenance/Palladam2). To carryout Annual
relay test by AEE/P&C/Palladam
During LC period 1).110 KV Veerapandy SS availing Total shutdown2). No other
substation will be affected3). 110 KV Pongalur SS will be fed from 230 KV Ingur SS if
load relief required
possible Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1subject to the tsd
reliefApproved
26 Erode 230 KV PALLADAM 230 KVAUTO TRANSFORMER I HV, LV
BREAKER,CT'S AND LASTO CARRYOUT MONTHLY MAINTENANCE WORK
1)110 KV VEERAPANDY SS,110 KV NARANAPURAM SS AND 110 KV
KALIVELAMPATTY SS AVAILING TOTAL SHUTDOWN2)OTHER THREE AUTO
TRANSOFORMERS WILL BE IN SERVICE 3)NO OTHER SS WILL BE AFFECTED
Possible Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1Subject to load
conditionApproved
27 Chennai 230 KV THIRUVALAM 230 KV
Differential relay by GRT Wing /Thiruvalam
and monthly maintenance work.ii) On 110KV
for fixing of O/L & E/L Relay in 110KV Vellore-
I Feeder and monthly maintenance workiii)
On 230KV Link-II Feeder Breaker and its
i))For fixing of Differential relay in Auto Tr-I AND
O/L&E/L Relay in 110KV Velore-I Feeder by GRT
Wing /Thiruvalam and monthly maintenance
work.ii)230KV Link-II Feeder for monthly
maintenance work
During the period of LC i)The 110KV Karnambut SS, 110KV Sathuvachari SS, 110KV
Arcot SS, of VEDC/Vellore are availing Total shutdown on 01.04.2017.The Total
Shutdown approved and concurrence obtained by Chief Engineer/Distribution / Vellore
IV,LV-IV will be in service and cater the SS Loads. iii)Auto-Tr-I ,HV-I,LV-I will be in
and 230KV Mosur feeders will be in service and cater the SS Loads. Hence there will be
no interruption of supply please.
Possible Sat, 01-Apr-2017 09:00 Sat, 01-Apr-2017 17:00 1 0 Approved
28 Chennai 110 KV THIRUVALAM 230 KV
110 KV Thiruvalam � Vellore I feeder (In
between 230 KV Thiruvalam SS � 110kv
Vellore SS).
For EHT Line Maintenance Works.110KV Karnambut SS, 110KV Sathuvachari SS, 110KV Arcot SS, are availing total
Shutdown.
Possible Sat, 01-Apr-2017 09:00 Sat, 01-Apr-2017 14:00 1 0 Approved
29 Chennai 230 KV THIRUVALAM 230 KV 230KV Thiruvalam - Link II feeder.For replacement of chipped disc at loc: 7 & EHT Line
Maintenance Works.
• condition at 400KV Thiruvalam & 230KV Thiruvalam SS. ii. All other 230
KV feeders 230KV Link I, Mosur, Chittoor feeders are in service.Hence there will be no
interruption of supply please.
Possible
(Repeat)Sat, 01-Apr-2017 09:00 Sat, 01-Apr-2017 14:00 1
Subject to load
conditionApproved
30 Madurai 230 KVANUPPANKULAM 230
KV230KV Northern Bus entire.
For Removal of dropper jumper from Bus and line
side jumper of 230KV Anuppankulam - Kayathar
feeder (Augmentation of 100MVA to 160MVA Auto
Transformer work)
During the LC period, Auto Transformer-I,HV-I,LV-I will be under hand tripped condition
and 230KV Anuppankulam-Kayathar feeder &230KV Anuppankulam-Madurai feeder hand
tripped condition and Auto Transformer-II & III will be fed from 230KV Anuppankulam-
Sterlite source only.
POSSIBLE Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 12:00 1
Sub to submission
of BP copy for
230ANPM-KYR #
for Dismantling of
ISO
Approved
31 Erode 230 KVGURUPARAPALLI 230
KV
Auto I, HV I, LV I & Auto II, HV II, LV II and
110KV Karimangalam feeder Breaker ( One
by One)
Maintenance work in Auto I, Auto II, HV II, LV II and
110KV Karimangalam feeder Breaker (One by One)
110KV Karimangalam feeder, LV II and HV II Breakers will be Hand tripped. BS / Auto
side isolators of HV II, Bus side isolator of LV II, BS/LS isolators of Karimangalam feeder
Breaker to be opened. 110KV Krishnagiri SS avail total shut down as per approval
received from CE/D/Vellore. Hosur phase II and Shoolagiri 110KV SS will be fed by Auto
I. (After completion of maintenance works in Auto I side, then take LC in Auto II - HV & LV
maintenance works). Concurrence obtained from SE/O/Thiruvalam and
SE/KEDC/Krishnagiri)
Possible Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 14:00 1Subject to load
conditionApproved
32 Erode 230 KV KUNDAH PH3 230KV KPH-3 Feeder to KPH4 Feeder230KV KPH3 Feeder to KPH4 Feeder Pre-Monsoon
Inspection work(PMI) and Maintenance work.Bus and Line both end open condition Earth switch closed condition. Possible Sat, 01-Apr-2017 9:00 Sat, 01-Apr-2017 17:00 1
Subject to load
conditionApproved
33 Chennai 110 KV THARAMANI 230 KV 110 KV Siruseri feeder Monthly Maintenance work Ideal feeder Possible Sat, 01-Apr-2017 09:00 Sat, 01-Apr-2017 17:00 1 0 Approved
34 Chennai 230 KV Alamathy 400 KV 230KV MANALI-1TO REPLACE THE DETECTIVE ISOLATER BOX
BY NEW ONE IN 'D' SWITCH
DURING THE ABOVE SHUTDOWN PERIOD 230KV ALAMATHY-MANALI-1 FEEDER
WILL NOT BE IN SERVICE.Possible Sun, 02-Apr-2017 09:00 Sun, 02-Apr-2017 17:00 1 To be discuss Approved
35 Erode
GENERATI
NG
STATIONS
KUNDAH PH3 Unit I For monthly maintenance work Unit under shutdown condition , SF6 breaker open condition possible Sun, 02-Apr-2017 8:00 Sun, 02-Apr-2017 17:00 1subject to the grid
conditionApproved
36 Erode
GENERATI
NG
STATIONS
METTUR TPHmachine 4 Generator,Power Transformers
and its Auxiliaries
For Machine 4 Individual spell Annual overhauling
works from 02.04.2017 to 21.04.2017 (20 Days)
During the above LC period 230KV MTPH-MTPS Feeder and 230KV MTPH-AUTO SS
Feeder will be in service and machine 1,2,3 &4 will be in common spell AOH works and
PWD Demand meet out by Dam power house units.
possible Sun, 02-Apr-2017 7:00 Tue, 04-Apr-2017 17:00 3approved
scheduleApproved
37 Chennai 230 KV KILPAUK 230 KV 100MVA Auto Transformer II Routine Maintenance work
During the period of shutdown 1)100MVA Auto Transformer I will be inservice. 2)110KV
AnnaNagar feeder loads to be transferred to 230KV Korattur SS feeding 3)110KV Cooks
Road feeder tie to be opened at kilpauk SS end & 110KV Cooks Road SS will be radially
fed by BBGTPS
Possible Sun, 02-Apr-2017 09:00 Sun, 02-Apr-2017 16:00 1 0 Approved
38 Erode 230 KV METTUR AUTO 230 KV 100MVA AUTO TRANSFORMER II OLTC OIL REPLACEMENT WORK DURING THE LC PERIOD 100MVA AUTO TRANSFORMER I WILL BE INSERVICE possible Sun, 02-Apr-2017 9:00 Sun, 02-Apr-2017 18:00 1
subject to the
other auto tr
loading limit
Approved
39 Erode
GENERATI
NG
STATIONS
KUNDAH PH2
UNIT-IV GENERATTOR SF6 BREAKER,
POWER TRANSFORMER AND ITS
ACCESSIORIES
FOR MONTHLY MAINTENANCE WORK SF6 BREAKER OFF IN CONDITION TOP AND BOTTOM BUS OPEN IN CONDITION Possible Sun, 02-Apr-2017 9:00 Sun, 02-Apr-2017 17:00 1 0 Approved
40 Erode
GENERATI
NG
STATIONS
KUNDAH PH1 UNIT NO: 1 FOR MONTHLY MAINTENANCE WORK DURING THE LC PERIOD UNIT NO 1 WILL BE UNDER NOT S/B CONDITION.. 0 Sun, 02-Apr-2017 8:00 Sun, 02-Apr-2017 17:00 1 0 Approved
41 Erode 230 KV Salem 400 KV230 KV Salem Steel Plant II # - Its CT,
BREAKER, BUS & LINE SWITCHESMonthly Maintenance Work postponed Mon, 03-Apr-2017 8:00 Mon, 03-Apr-2017 14:00 1
feeder 1 lc
recommendedApproved
42 Erode 110 KV GOBI 230 KV I.110 KV Gobi - Bhavanisagar feeder entire Line maintenance and tree cutting works
1.No SS will be affected during the LC Period.II.Nambiyur 110 KV SS,Karattupalayam
110 KV SS,Thoppampalayam 110 KV SS and Bhavanisagar 110 KV SS has programmed
Total Shut down on 03.04.2017
postponed Mon, 03-Apr-2017 10:00 Mon, 03-Apr-2017 16:00 1to be scheduled
on 03.04.2017Approved
43 Erode 230 KV MTPS MTPS-I to Anthiyur 230KV Feeder bay entire Monthly maintenance Programmed LC possible Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1
subject to 230 kv
mtps 3 to gobi
feeder loading
condition
Approved
44 Erode 230 KV ANTHIYUR230KV 230KV MTPS-I entire feeder For monthly maintenance work MTPS-I end also programmed to avail LC on 03.04.17. 0 Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 16:00 1 0 Approved
45 Erode 230 KV ANTHIYUR 230 KV 230KV Bus section-II entire. For annual maintenance of 230KV Bus section -II
During the LC period 230KV MTPS-I feeder,Auto Transformer-II,and 230KV Bus coupler
breaker will be kept in hand tripped condition.MTPS-I end also programmed to avail LC in
230KV Anthiyur-MTPS-I feeder on 03.02.17.During the LC period Auto Transformer-I
along with 230KV Gobi feeder will be in service.
possible Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 16:00 1
subject to 230 kv
mtps 3 to gobi
feeder loading
condition
Approved
46 Madurai 230 KV PASUMALAI 230 KV1)230 KV Pasumalai - Checkanurani # - II
BKR & CT,LI only 2)Line Entire.
a)Maintenance Works of BKR & CT,LI Only.b)Tree
cutting worksEE / O / CKNI has also programmed POSSIBLE Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 14:00 1 0 Approved
47 Madurai 110 KV KODIKURICHY 230 KV
On 110KV Kodikurichi-Veerasigamani II #
Section between Kodikurichi-Veerasigamani-
Puliyangudi.
i) Monthly maintenance workii)For Replacement of
Defective Insulator at Various locations.
During LC period i)110 KV Veerasigamani # WFSS will be fed from Veerasigami-I # by
closing AB switch towards Veerasigamani at Echantha SS end. ii) 110KV Puliyangudi,
Naranapuram, Viswanathaperi SS will be fed from 110KV Nallamanaickenpatty SS by
closing AB switch towards Viswananthaperi SS at Nallamanaickenpatty SS end.
POSSIBLE Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1 0 Approved
48 Madurai 230 KV SRPUDUR 230 KVOn 230 KV SR Puthur - Koodankulam feeder
breaker CT.Monthly Maintenance work
During the LC period 230 KV SR Puthur - Sankaneri feeder will be in service.Hence No
SS will be affected.POSSBLE Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 14:00 1
Sub to load
conditionApproved
49 Madurai 230 KV AMUTHAPURAM 230 KV230/33KV Power Transformer-1 HV,LV
Breakers with CT's and its 33KV feederMonthly Maintenance Work
1) During the LC period there will be NO supply in P.Tr-1 and its 33KV feeders. 2) If there
is wind generation its 33KV feeders paralleled with other power transformers. 3) No SS
will be affected. 4) Concurrence obtained from SE/NCES/TIN.
POSSIBLE Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1 Sub to wind gen. Approved
50 Erode 110 KV GOBI 230 KV110 KV BHAVANI SAGAR FEEDER
BREAKER,CT'S WITH LINE SWITCH
FOR GRT RELAY TESTING WORK BY P&C/GOBI
AND FOR REPLACEMENT OF COMPRESSOR IN
SF6 BREAKER DUE TO AIR LEAKAGE
110 KV NAMBIYUR SS,110 KV KARATTUPALAYAM SS,110 KV BHAVANI SAGAR
SS,110 KV THOPPAMPALAYAM SS AND 110 KV THALAVADY SS MAY AVAIL TOTAL
SHUTDOWN AS PER CE/D/Erode APPROCVAL,NO OTHER SS WILL BE AFFECTED
possible Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1subject to tsd
being realizedApproved
51 Erode 230 KV GOBI 230 KVAUTO TRANSFORMER I HV,LV BREAKER
AND CT'SFOR MONTHLY MAINTENANCE WORK
1.110 KV NAMBIYUR SS,110 KV KARATTUPALAYAM SS,110 KV BHAVANI SAGAR
SS,110 KV THOPPAMPALAYAM SS,110 KV GOBI SS AND 110 KV THALAVADY SS
MAY AVAIL TOTAL SHUTDOWN AS PER CE/D/Erode APPROCVAL,2.NO OTHER SS
WILL BE AFFECTED.3.AUTO TRANSFORMER II AND III ARE IN SERVICE,IT MAY
CATER THE LOAD
possible Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1subject to tsd
being realizedApproved
52 Madurai 110 KV ALAGARKOIL 230 KV110KV ALKL-Sempatty 2 # breaker with C.T
only.for monthly maintenance& GRT relay testing work
DURING THE L.C period the feeder will be radial from sempatty end ,hence there will be
no interruption of supply please.
NOT
POSSIBLEMon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 16:00 1
Due to 110 SBT-
ALKL# sec bw
V,kurumpapatty
and Natham LC
Subject to EE/SLDC
approval
53 Erode 230 KV UNJANAI 230 KV1. CAPACITOR NO :I BREAKER, CT'S AND
BANKSIDE ISOLATOR ONLYFOR MONTHLY MAINTENANCE WORK
DURING THE L.C PERIOD CAPACITOR BANK NO :II WILL CATER THE STATION
WAR LOADS.possible Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 15:00 1
subject to the
voltage profile in
the grid
Approved
54 Madurai 110 KV then I 230 KV110 kv theni-sempatty I & II Breaker with CT
one by one.monthly maintenance work. monthly maintenance work. POSSIBLE Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1
SUB TO LOAD
CONDITIONApproved
55 Madurai 230 KVCHECKANURANI SW
STATION 230 KV230KV CKNI-Pasumalai-II feeder Entire
For Monhthly Maintenance work and Line
Maintenance WorkDuring LC Period there will be no supply in the entire feeder POSSIBLE Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1 0 Approved
56 Madurai 230 KV kinnimangalam 230 KV AUTO TRANSFORMER 1 Monthly maintenance work Other 2 transformers will be in service and scatter the load POSSIBLE Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 13:00 1SUB TO LOAD
CONDITIONApproved
57 Madurai 230 KV kinnimangalam 230 KV AUTO TRANSFORMER 2 Monthly maintenance work other 2 auto transformers will be in service and scatter the load POSSIBLE Mon, 03-Apr-2017 14:00 Mon, 03-Apr-2017 17:00 1SUB TO LOAD
CONDITIONApproved
58 Madurai 110 KV KARAIKUDI 230 KV On 110KV Kanadukathan # Entire.
For Tower to Tower inspection work and to open
jumper for TLC work B/W Kanadukathan Tapping &
Thirumayam SS.
During the Lc Period (03.04.17 (08.00Hrs) to 05.04.16 (18.00Hrs) 110KV PDKT #'r S/B
Kanadukathan SS Tapping and Thirumayam SS for NHAI work by TLC Wing.). 110KV
Kanadukathan SS will be radially fed from 230KV SS KKDI SS. Hence there will be No
interruption of Supply.
NOT
POSSIBLEMon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1
Sub to submission
of Approval copy
and drawing. LC
to be applied for 3
days
Approved Subject to
EE/SLDC/ Madurai
approval
59 Erode 400 KV MTPSII 230/400KV ICT-IMONTHLY MAINTENANCE WORKS AS
APPROVED BY OCC
UNIT IN SERVICE. ALL 400KV KARAMADAI-I&II ,PALAVADI-I&II FEEDER ARE IN
SERVICE. ALL 230KV FEEDERS MTPS-I,GOBI,METTUR AUTO AND STANDBY
TRANSFORMER EXCEPT THINGALUR FEEDER ARE IN SERVICE.
possible Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1subject to the load
condition existingApproved
60 Madurai 110 KV TRICHY 230 KV
110KV TRICHY - ALUNDUR I Feeder
breaker, CTs and line isolators and line
entire. entire
0
During the LC period, a) The other end also availing LC on the same feeder. b) The
Intermediate 110 KV Ammapettai SS availing total shutdown for monthly maintenance
works. c) All other 110 kv feeders will be in tied condition. d) There will be no interruption
of supply to any of the SS.
POSSIBLE Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 16:00 1 sub to Total s/dApproved Subject to
load condition
61 Madurai 110 KV SURULIYAR110 KV Suruliyar - Vannathiparai feeder
breaker with CT and line side switchFor attending monthly maintenance work.
During the above period, Vannathiparai SS will avail total shut down. There is no other SS
in this feeder.POSSIBLE Mon, 03-Apr-2017 10:00 Mon, 03-Apr-2017 16:00 1 sub to Total s/d Approved
62 Erode 230 KVOTHAKKAL MANDABAM
230 KV
230 KV OKM-Palladam Feeder Entire
(Breaker, CT's, 89M1, 89M2 & 89L Isolators)
For Polluted disc replacement work by lines wing
and monthly maintenance works.During the LC period, the other 230 KV feeders are in service to cater the SS loads. possible Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1 0 Approved
63 Erode 230 KV EACHANGADU 230 KV230 KV Bus Coupler Breaker & B'Bus CVT
OnlyMONTHLY MAINTENANCE WORK
230 KV Bus Coupler and B'Bus CVT are in stand by equipment since load flow does not
affected.POSSIBLE Mon, 03-Apr-2017 10:00 Mon, 03-Apr-2017 17:00 1 0 Approved
64 Madurai 110 KV SEMBATTY 230 KV110KV SBT - Alagarkovil II # section bet.
V.K.Patti and Natham SSTree cutting work
During the LC period the feeder will be radial from SBT upto V.K.Patti SS and radial from
other end upto Natham SS. Hence no interruption to any SS.POSSIBLE Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1 0 Approved
65 Madurai 230 KV KADALANGUDI 230 KV 230KV Kadalangudy- PPN I feeder entire
1)Line inspection and rectification work
2)Maintenance work 3)Relay testing work at
Kadalangudy SS end. 4)Relay testing work at PPN
plant end.
No interruption to any SS. All other feeders will be in tied condition. PPN Plant is under
shutdown.POSSIBLE Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1 0 Approved
66 Chennai 110 KV KORATTUR 230 KV 110 Kv Tondiarpet - Vyaserpadi I feeder Jumper tightness at various locations110 KV Tondiarpet - Vyaserpadi I feeder load will be transfer to 110 KV Tondiarpet -
Vyaserpadi II feederPossible Mon, 03-Apr-2017 09:00 Mon, 03-Apr-2017 17:00 1
Subject to CBD
concurrenceApproved
67 Madurai 230 KVTUTICORIN -SIPCOT
230 KV
On 230KV Main Bus entire (both Bus section
I & II with PT-I&II)
i) For the transportation of 3Nos. 230KV New PTs to
working spot ii) Dismantling of existing 230KV 'Y'
Phase PT (Grompton Greaves Make) iii) Erection of
3Nos. Mehru make 230KV PTs and its Droppers and
Jumpers etc. iv) Secondary connection and testing
by P&C wing. v) lubricating of (4Nos.) 3A,4A,5A and
Bus section-II (BCS-II) 230KV AB switches.
i) During the LC period, all the 230KV feeders will be in OFF condition at both the ends
and Auto-I&II will be in tripped condition at 230KV Sipcot SS end and all 110KV feeders
and 110KV Bus will in service for the grid stability purpose. ii) M/s.
IBPGCL/Velayuthapuram generation will be in shutdown condition and M/s. IBTPL/
Samynatham unit is already under shutdown condition and necessary consent obtained
from M/s. Ind.Bharat plants and no ss will be affected please.
POSSIBLE Mon, 03-Apr-2017 6:00 Mon, 03-Apr-2017 18:00 1
Sub Total s/d of
inter ss to manage
the Load.
Subject to Total
shutdown
68 Erode 230 KV UDUMALPET 230 KVAUTO TRANSFORMER II ,HV II & LV II
COMPLETEFOR MONTHLY MAINTENANCE WORKS 3 AUTOS ARE IN PARALLEL . LOADS ARE SHARED WITH OTHER TWO AUTOS. possible Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
69 Erode 230 KV METTUR AUTO 230 KV 230KV MTPS-I- Anthiyur feeder EntireJumper cone Tightness Checking at MTPS-I-
Anthiyur BayProgrammed LC at MTPS-I on 03.04.2017 possible Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 14:00 1
subject to 230 kv
mtps 3 to gobi
feeder loading
condition
Approved
70 Erode 110 KV Udumalpet 110 KV Monthly Maintenance workDuring LC period there is no SS will be affected since there is inter connected SS fed from
other end.possible Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1 0 Approved
71 Madurai 110 KV SAMAYAPURAM 230 KV110 KV SMPM-Kallakudi -I # CT's , Breakers
and entire line portion (tied feeder) .Monthly Maintenance Works and Line Patrol Work.
1. During the above LC Period, 110Kv Kallakudy I # Breaker is in H/T condition at 230KV
Tahtchankurichy SS . 2.110Kv Thatchankurichy I# Breaker is in H/T condition at 110KV
kallakudy Grid SS. 3.Bus and Line Isolator towards 110KV Kallakudy Grid SS will be kept
in open condition at 230KV Thatchankurichy SS. 4.Line Isolator towards 230KV
Thatchankurichy SS will be kept in open condition at 110KV Kallakudy Grid SS. 5. Earth
switch will be kept in closed condition at 110Kv Kallakudy grid ss and 230KV
Thatchankurichy SS. 6.110 KV Kallakudi-II # will be in tied condition. 7.There will be no
interruption to any other SS.
POSSIBLE Mon, 03-Apr-2017 10:00 Mon, 03-Apr-2017 17:00 1 0 Approved
72 Erode 110 KV ARASUR 230 KV 110 KV CB-I Breaker,CTs and Cell units. For Monthly maintenance workDuring the Line Clear period,1)remaining 2 numbers 24 MVAR Capacitor banks will be in
service.possible Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 15:00 1
subject to the
voltage profile in
the grid
Approved
73 Chennai 230 KV Tondiarpet 230KV TONDIARPET - NCTPS Stage I-1 Jumper tightness. Tower to tower inspection. All other feeder in service. Possible Mon, 03-Apr-2017 05:00 Tue, 04-Apr-2017 10:00 2 To be discuss
Already approved
from 1st April 2017
to 3rd April 2017
74 Madurai 230 KV ALUNDUR 230 KV110KV Alundur - Trichy- Feeder breaker,CT's,
and Line Isolators.
a) Preventive Monthly maintenance work. c)
Premonsoon inspection and Tree cutting work.
B)Relay testing work.
During the LC period, a) Intermediate 110KV Ammapettai SS Also avail total shut down.
b) All other 110 KV feeders will be in service c)There will be no interruption of supply to
any other feeder's and ss.
POSSIBLE Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1 Sub to Total s/d Approved
75 Erode 110 KV UNJANAI 230 KVUnjanai-BKB III 110 KV # line portion (i)
TLC work for conversion of Nallur non grid SS to
and stringing of line between tower no 50/56 and
new tower(2)structure, breaker, CT and Line VT
erection work at Nallur SS towards BKB III and
Jedarpalayam by SSE/Salem.(3). After completion
of TLC work on 04.04.17, the BKB III supply will be
extended up to Jedarpalayam SS by looping the
Nallur- BKB III and Nallur-Jedarpalayam line at
Nallur SS at newly erected terminal tower. 4)
Looping will be removed on completion of SSE
works on 12.04.2017.
(1)Line portion between Nallur and BKB III, Nallur and Jedarpalayam will be opened.
(2)Jedarpalayam SS will be fed from Pugalur-K.malai #.possible Mon, 03-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 8
long lc subject to
approval of se ld &
go chennai
Approved
76 Erode 110 KV Singarapet 110 KV
110 KV ARNI # II, SF6 BKr, CTs & Line
Isolator (Now radially charged from
Singarapet end)
Monthly maintenance work and Line maintenance
work
During the LC period 110KV Arani II # breaker will be in hand trip condition & already
breaker in handtrip condition at Arani end, hence no interrption of supply0 Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 15:00 1 0 Approved
77 Chennai 110 KVGUMMIDIPOONDI 230
KV110KV SIPCOT I FEEDER BAY
GRT Annual Relay Test in Tulsian 110KV Feeder at
110kv Sipcot IV SS end and monthly maintenance
work at 230KV Gummidipoondi SS
Concurance to be obtained from M/c. Tulsian consumers during the periond of shutdown
ni export from 110KV Tulsian Private generationPossible Mon, 03-Apr-2017 10:00 Mon, 03-Apr-2017 17:00 1
Subject to
M/c.Tulsian
concurrence
Approved
78 Erode 110 KV GOBI 230 KV I.110 KV Gobi - Bhavanisagar feeder entire Line maintenance and tree cutting works
I.No SS will be affected during the LC Period.II.Nambiyur 110 KV SS,Karattupalayam 110
KV SS ,Thoppampalayam 110 KV SS and Bhavanisagar 110 KV SS has programmed
total shut on 03.04.2017
possible Mon, 03-Apr-2017 10:00 Mon, 03-Apr-2017 16:00 1subject to tsd
being realizedApproved
79 Erode 110 KV GOBI 230 KVI.110 KV BHAVANISAGAR - BHAVNISAGAR
MICRO POWER HOUSE FEEDER ENTIRE
LINE MAINTENANCE AND TREE CUTTING
WORKS
I.NO SS WILL BE AFFECTED DURING THE LC PERIOD.II. BHAVANISAGAR 110 KV
SS HAS PROGRAMMED TOTAL SHUTDOWN ON 03.04.2017III. SARADHA CO GEN
PLANT GENERATION NIL
possible Mon, 03-Apr-2017 10:00 Mon, 03-Apr-2017 16:00 1subject to tsd
being realizedApproved
80 Madurai 110 KVNEMALITHIPIYAKUDI
230 KV
110KV PATTUKKOTTAI-MADUKKUR
FEEDER (VIA: 110/11KV PATTUKKOTTAI
URBAN SS), LINE PORTION BETWEEN
110KV PATTUKKOTTAI SS TO 110KV
PATTUKKOTTAI URBAN SS.
FOR PREMONSOON INSPECTION BY
AE/LINES/PATTUKKOTTAI.
1) DURING THE LC PERIOD, 110KV PATTUKKOTTAI URBAN SS SUPPLY WILL BE
FED FROM 110KV MADUKKUR SS BY CLOSING THE 110KV LINE ISOLATOR (NO.2)
TOWARDS PATTUKKOTTAI AT 110KV MADUKKUR SS.2) NO INTERRUPTION TO
ANY SUBSTATION. 3) 110KV PATTUKKOTTAI- MADUKKUR FEEDER BREAKER HAND
TRIPPED AT 110KV PATTUKKOTTAI SS.
POSSIBLE Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1 0 Approved
81 Erode 230 KV PALLADAM 230 KVAuto Transformer IV and its breaker,CT's and
LAS
To attend the raising and over flow of oil in OLTC
conservator problem in the Auto Transformer IV, the
work will be attended by the manufacturer M/s.BHEL
During LC period 1).110 KV Muthalipalayam SS will be fed from 230 KV Ingur SS and
2).110 KV Palladam SS will be fed from 230 KV Arasur SSpossible Mon, 03-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 5
subject to the load
transfers being
effected
Approved
82 Erode 230 KV PALLADAM 230 KV230 KV Palladam - Othakalmandapam feeder
breaker,CT's and Line isolator with line entire
1). To carry out Monthly Maintenance by
AEE/Maintenance/Palladam2). To carryout
Premonsoon inspection in the Line by
AEE/Lines/Palladam
During the LC period 1)other 2Nos 230 KV feeders will be in service2). No other sub
station will be affected3). Other end also availing LCpossible Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1 0 Approved
83 Chennai 230 KV Ulundurpet 230 KV 230/110KV Auto Transformer Total shutdown monthly maintenance work.
230/110KV Auto Transformer,HV,LV Breakers,Isolators maintenance work,on that day
Ulundurpet 110/33 KV SS Load will be fed by Villupuram Auto ss roughly about 24 MW&
ko-poovanur ss load will be fed by Neyveli TS I-Deviyakurichi feeder.M/S Dharani sugars
co-generation plant will be instructed to go home load. On this day it is programmed by
GRT/Villupuram to carryout the aunnual relay test for the auto transformer and allied
equipments. 110KV Thiyagadurugam ss,110KV Nagalur ss and 110KV Pillaiyarkuppam
ss proposed to carried out total shutdown work.
Possible Mon, 03-Apr-2017 09:00 Mon, 03-Apr-2017 17:00 1 0 Approved
84 Chennai 230 KV SPKoil230 KV 230 KV Kalpakkam feeder 1 Quartely Maintenance Work Possible Mon, 03-Apr-2017 09:00 Mon, 03-Apr-2017 17:00 1 0 Approved
85 Madurai 230 KVANUPPANKULAM 230
KV
100 MVA AUTO TR. II & III,HV-II & III and LV-
II & III Breaker with CT one by one.For Monthly Maintenance Work.
Durin the LC period the Auto Tr. I & III will cater the load of Auto Tr. II and Auto Tr. I & II
will cater the load of Auto Tr. III. Hence No SS affected.POSSIBLE Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1
sub to load
conditionApproved
86 Erode 230 KVOTHAKKAL MANDABAM
230 KV230 KV TBC Breaker (89M & 89L Isolators) for monthly maintenance works. Already the TBC breaker under isolated condition. postponed Mon, 03-Apr-2017 9:00 Mon, 03-Apr-2017 17:00 1
substituted for 230
kv palladam
feeder breaker
Approved
87 Chennai 230 KV KORATTUR 230 KV 230 KV Korattur - Manali feeder Jumper tightness at various locations. all other feeders will be in service Postponed Tue, 04-Apr-2017 10:00 Tue, 04-Apr-2017 17:00 1 Approved
88 Chennai 230 KV KORATTUR 230 KV 230 KV Korattur - Manali feeder Jumper tightness at various locations. all other feeders will be in service Postponed Tue, 04-Apr-2017 09:00 Tue, 04-Apr-2017 17:00 1 Approved
89 Madurai 230 KV VEERANAM 230 KVPower Transformer-I,HV-I,LV-I and 33Kv
Feeders Micon-3,4&5For Quarterly and Monthly Maintenance Works
During the LC Period there will be no supply in Power Transformer-I,HV-I,LV-I and 33Kv
Feeders Micon-3,4&5.concurrence obtained from SE/NCES/TIRUNELVELI.POSSIBLE Tue, 04-Apr-2017 10:00 Tue, 04-Apr-2017 17:00 1 sub to wind gen Approved
90 Madurai 230 KV KAYATHAR 230 KVOn 230/110KV Kayathar - Auto Transformer-
II HV-II & LV-II breaker with CT only.For monthly maintenance work
During the LC period, Auto Transformer-I & Auto Transformer-III will cater all the loads of
Auto Tranformer-II Hence no SS affectedPOSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 12:00 1
sub to load
condiitonApproved
91 Chennai 230 KV THIRUVERKADU 230 KV 230/110KV, 100 MVA Auto Transformer II For routine monthly maintenance work.During the period of shutdown 230/110KV, 100 MVA Auto Transformer I will be in service,
hence no interruption.Possible Tue, 04-Apr-2017 10:00 Tue, 04-Apr-2017 17:00 1 0 Approved
92 Madurai 230 KV Kodikurichy230kv230KV Amuthapuram # I Breaker with C.T
and all Isolators.Monthly maintenance work.
EE/O/Amuthapuram has also applied LC on 230KV Amuthapuram # I breaker on the
same day 04.04.2017POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1 0 Approved
93 Chennai 400 KVSunguvarchatram 400
KV400KV BUS-1 ENTIRE Monthly maintenance work
During the LC Period 1.400KV Bus-1 in OFF condition,2.400KV Pondi Feeder breaker
and 400KV NCTPS-Stg 2 breaker in trip condition, Supply will feed through Tie-1 and Tie-
2 Breakers Respectively3.Alamathi-2 feeder 2 in OFF condition,5.HV-1 Breaker and HV-3
Breaker in Trip condition,supply will feed through Tie-3 and Tie-4 for Auto Transformers
1&3.
Posssible OCC
Appd. 129/115Tue, 04-Apr-2017 09:00 Tue, 04-Apr-2017 17:00 1 0 Approved
94 Erode 110 KV Erode 110 KV110 KV CAPACITOR BANK I BREAKER, CT
AND ITS CELLS
CONDUCTING OF ANNUAL RELAY TEST BY
AEE/P&C-I /ERODE AND MONTHLY
MAINTENANCE WORK.
DURING LC PERIOD NO SS WILL BE AFFECTED. NECESSARY CONCURRENCE
OBTAINED FROM SE/EEDC/ERODE.possible Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 14:00 1
subject to the
voltage profile in
the grid
Approved
95 Madurai 230 KV AMUTHAPURAM 230 KVAmuthapuran-Kodikurichi-1 230KV
#,breakers,CT's and its isolatorsMonthly Maintenance Work
1) During the LC period there will be NO supply in this feeder. 2) Other End also avail LC
on same day. 3) Cocurrence obtained from SE/NCES/TIN.POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1 0 Approved
96 Erode 230 KV GOBI 230 KV CAPACITOR BANK I BREAKER AND CT'S FOR MONTHLY MAINTENANCE WORK CAPACITOR II IS IN SERVICE AND SUBJECT TO THE VOLTAGE CONDITION possible Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1
subject to the
voltage profile in
the grid
Approved
97 Madurai 230 KV ALAGARKOIL 230 KV230KV ALKL-Alundur feeder breaker CT,Line
CVT &Line entire.for monthly maintenance &tree clearence wo9rk.
During the L.C period the 230KV Supply will be fed from 230KV other feeder , other end
also proposed L.C, hence there will be no interruption of supply please.POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 16:00 1 0 Approved
98 Madurai 110 KV then I 230 KV
110 KV THENI-SEMPATTY I # LINE
SECTION BETWEEN M.PURAI SS &
AYAMPALAYAM SS.(R/F THENI)
LINE MONTHLY MAINTEANCE AND
PREMONSOON INSPECTION.
BATLAGUNDU AND VAIGAI SS LOADS WILL BE TRANSFERRED TO SEMPATTY II
FEEDER.POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1
sub to load
conditionApproved
99 Chennai 230 KV KORATTUR 230 KV50MVA 110/33KV POWER TRANSFOMER -
IIGeneral Maintenance work 50MVA 110/33KV Power Transformer - I will be in service.
Possible with
CBD
Concurrence
Tue, 04-Apr-2017 09:00 Tue, 04-Apr-2017 17:00 1 0 Approved
100 Erode 230 KV Salem 400 KV230 KV Singapuram # - Its CTs, BREAKER,
BUS & LINE SWITCHES)Both end Monthly Maintenance Work Both end Monthly Maintenance Work possible Tue, 04-Apr-2017 8:00 Tue, 04-Apr-2017 14:00 1
subject to the load
condition existingApproved
101 Madurai 110 KV VALUTHUR 230 KV110KV Arkay - Mandapam - Perungulam
feeder entire.Tree cuttng work During the LC period 110KV Mandapam SS will be availed total shut down. POSSIBLE Tue, 04-Apr-2017 10:00 Tue, 04-Apr-2017 17:00 1 sub to total s/d Approved
102 Madurai 230 KV KAVANOOR 230 KV 230 KV KAVANOOR-KARAIKUDI #1MONTHLY MAINTENANCE WORKS AND LINE
MAINTENANCE WORKSSINCE BOTH ENDS LC TO BE AVAILED NO SUPPLY IN THE FEEDER POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1 0 Approved
103 Erode 110 KVPUDHANCHANTHAI 230
KV
110KV Namagiripet feeder CB, CTs and Line
Switch.For regular maintenance works. During LC period110KV Namagiripet SS availing Total Shut down.No supply interruption. possible Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 15:00 1
subject to
namagiripettai ss
availing tsd
Approved
104 Madurai 230 KV KARAIKUDI 230 KVOn 1)230KV KKDI - KVNR- I #'r Breaker &
Ct's & 2)230KV KKDI - KVNR -I #'r Entire.1) For Monthly Mtc work.2) For Tree Cutting.
During the Lc Period all other 230KV #'s tied with Grid. Hence there will be no interruption
of Supply.POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1 0 Approved
105 Madurai 230 KV kinnimangalam 230 KV Auto transformer 3 Monthly maintenance work Other 2 transformers will be in service and scatter the load POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 13:00 1sub to load
conditionApproved
106 Madurai 110 KV KADALANGUDI 230 KV110KV Kadalangudy- Vaitheeswaran koil
feeder entire
1)Line inspection and rectification work
2)Maintenance work
No interruption to any SS. 110KV Nidur SS proposed to shutdown. All other feeders will
be in tied condition.POSSIBLE Tue, 04-Apr-2017 10:00 Tue, 04-Apr-2017 16:00 1 sub to total s/d Approved
107 Madurai 110 KV PASUMALAI 230 KV
110KV Pasumalai - Alagarkoil -1 # BKR &
CT,LI . 2. Line LC Section between
Pasumalai - Avaniyapuram SS.
1)Maintenance Works of BKR & CT, LI 2)Tree
Cutting works
1) The Feeder will be kept radial from Alagarkoil SS upto Vandiyur SS feeding Othkadai,
IT Park, Industrial Estate SS 2)110/33-11 KV Anupanadi SS Loads will be transferred to
110KV Pasumalai - Sakthisugars feeder radial feeding Villapuram SS .3) Avaniyapuram
SS will be under shutdown
POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 14:00 1sub to total s/d of
Avaniyapuram ssApproved
108 Erode 110 KV METTUR DPH 110 KV AUTO SS FEEDER 1 MONTHLY MAINTENANCE WORKS THE OTHER END WILL BE IN SERVICE possible Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 15:00 1subject to the load
condition existingApproved
109 Erode 110 KVOTHAKKAL MANDABAM
230 KV
110 KV OKM-Thudiyalur I Feeder (Breaker,
CT's & Line switch)for monthly maintenance works.
During the LC period, 110 KV OKM-Thudiyalur I feeder loads will be transferred to 230KV
TDLR SS. Hence, No SS will be affected.possible Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 14:00 1
subject to the
feeder being kept
radial from tdlr ss
end
Approved
110 Chennai 230 KV TONDIARPET 230 KV 230 KV MANALI FEEDER FOR ROUTINE MAINTENANCE WORKSDURING THE PERIOD OF SHUTDOWN , EXCEPT 230 KV MANALI FEEDER ALL
OTHER FEEDERS AND EQUIPMENTS WILL BE IN SERVICE.Possible Tue, 04-Apr-2017 10:00 Tue, 04-Apr-2017 15:00 1 0 Approved
111 Madurai 110 KV SEMBATTY 230 KV110KV SBT - RNPM III # Bkr, CTs, relays
and sec. bet. SBT and Vittalnayakanpatti SS1. Monthly maintenance work2. Tree cutting work
During the LC period, Thadicombu SS is availing total shutdown and V.N.Patti SS will be
fed by RNPM end. Hence no interruption to any SS.POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1
sub to total s/s of
Thadicombu ssApproved
112 Madurai 110 KV KAYATHAR 230 KV110 Kv Kayathar-Papanasam feeder sec b/w
rastha &ppm
For Jumper tightness work & Defective disc
replacement at various location.Duting the LC Period,Rastha SS will be radially fed from Kythr SS POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1
The feeder to be
radial from KDKRI
upto Kadayam
and radial from
KYR upto Rastha
Approved
113 Erode 110 KV DEVIAKURICHI 230 KV110 KV Thalaivasal Feeder Breaker, CTs and
Line IsolatorFor Monthly Maintenance work 110KV Thalaivasal SS availing total shutdown. possible Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1
subject to
thalaivasal ss
availing tsd
Approved
114 Madurai 230 KV KADALANGUDI 230 KV 230KV Kadalangudy- PPN II feeder entire
1)Line inspection and rectification work
2)Maintenance work 3)Relay testing work at
Kadalangudy end. 4)Relay testing work at Plant end.
No interruption to any SS. All other feeders will be in tied condition. PPN Plant is under
shutdown.POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1 0 Approved
115 Chennai 110 KV KORATTUR 230 KV 110 KV Tondiarpet- Vysarpadi II feeder Jumper Tightness at various Location110 KV Tondiarpet - Vyaserpadi II feeder load will be transfer to 110 KV Tondiarpet -
Vyaserpadi I feeder
Possible with
CBD
Concurrence
Tue, 04-Apr-2017 09:00 Tue, 04-Apr-2017 17:00 1 0 Approved
116 Erode 110 KV UDUMALPET 230 KV
110KV SEMPATTY FEEDER BREAKER AND
LINE SECTION BETWEEN UDT &
ELAYAMUTHUR SS
FOR MONTHLY MAINTENANCE WORKSDURING LC PERIOD SEC BETWEEN SEMPATTY & ELAYAMUTHUR FED FROM
230KVSS SEMPATTY0 Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1 0
Subject to
EE/SLDC/Madurai
approval
117 Madurai 400 KV kamuthi 400 KV 400KV ICT 1 MONTHLY MAINTENANCE WORK NO FEEDERS AT 230KV SIDE SO NO EQUIPMENT AFFECTED POSSIBLE Tue, 04-Apr-2017 10:00 Tue, 04-Apr-2017 17:00 1App in 129
occ/113Approved
118 Chennai 230 KV ACHRAPAKKAM 230 KV230KV ACK-VILLUPURAM FEEDER
BREAKER & CT'STO CARRYOUT MONTHLY MAINTENANCE WORK
1.230KV KALPAKKAM FEEDER BREAKER WILL BE IN SERVICE.2.HENCE NO
INTERUPTION OF POWER SUPPLY.Possible Tue, 04-Apr-2017 09:00 Tue, 04-Apr-2017 16:00 1 0 Approved
119 Erode 110 KV THUDIALUR 230 KV 110KV Sandinallah feeder breaker & CTs For monthly maintenance & annual relay testing Feeder will be radial from other end possible Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 15:00 1subject to the load
condition existingApproved
120 Erode 230 KVSADAYAMPALAYAM 230
KV
Power transformer No III HV breaker CT's &
IsolatorsAnnual relay testing work by P&C Palladam.
Power transformer No I,II & IV in service. Power transformer III loads will be fed from
Power transformer IV.possible Tue, 04-Apr-2017 10:00 Tue, 04-Apr-2017 17:00 1
subject to power
transformer 4
loading limit
Approved
121 Erode 110 KV PONNAPURAM 230 KV110 KV Ponnapuram - Maruthur # Breaker,
CTs & Line up to Maruthur SSFOR MONTHLY MAINTENANCE WORK
1. 110KV KARADIBHAVI SS AND SALAIPUTHUR SS WILL BE AVAIL TOTAL
SHUTDOWN ON 04.04.2017,2. 110KV MARUTHUE # WILL BE KEPT RADIAL FROM
230KV PALLADAM SS / 110KV PALLADAM # UPTO MARUTHUR SSHENCE NO SS
WILL BE AFFECTED.
possible Tue, 04-Apr-2017 10:00 Tue, 04-Apr-2017 17:00 1
subject to the
feeder being kept
radial from
palladam ss end
after tsd relief
Approved
122 Erode 230 KV SINGARAPET 230 KV 230KV South BusTo carry maintenance work by AEE/MTC/230 KV SS
/ SPT
During the LC perioda). 230 KV Salem #, 230 KV Tiruvannamalai #, 230 KV Arani #
Breakers will be in off condition at Singarapet end and radially charged condition from
respective other end. b). 230 KV MTPS, 230KV Vinnamangalam, 230 KV Thiruvalam and
hand trip condition.d). 230KV GC Breaker and All Auto Transformers will be in service.e).
All 110KV feeders will be in service. hence no interruption of supply
possible Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1subject to the load
condition existingApproved
123 Madurai 110 KV SAMAYAPURAM 230 KV
110KV Samayapuram - Trichy Grid feeder
line portion between 230KV Thatchankurichy
SS and 110KV Poovalur SS.
For premansoon EHT line inspection work.
During the above period of shut down a)110KV Poovalur SS avail Total shutdown on the
same day. b)110KV Thennur SS,110KV T.V.Koil SS, 110KV Valady SS,M/s.Kothari EHT
sc. will be fed radially from 110KV Trichy Grid SS. C). The line Isolator towards 230KV
Thatchankurichy SS at 110KV Poovalur ss will be Kept opened and earth switch closed.
d)The line Isolator towards 110KV Poovalur ss at 230KV Thatchankurichy SS will be Kept
opened and earth switch closed. e)Necessary concurrence has been obtained from
M/s.Kothari EHT Service for the interuptions during the switching operations. f)There will
be no interuption to any other SS/EHT consumers.
POSSIBLE Tue, 04-Apr-2017 10:00 Tue, 04-Apr-2017 17:00 1 0 Approved
124 Erode 110 KV ARASUR 230 KVand Its CTs.
For Monthly maintenance workDuring the Line Clear period, 110 KV Arasur- Thudialur # Radial from 230 KV Thudialur
SS .possible Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 15:00 1
subject to the
feeder being kept
radial from tdlr ss
end
Approved
125 Madurai 230 KV ALUNDUR 230 KVL.C. on 230KV Alundur - Alagarkoil Feeder
Breaker,CT's CVT's and Line Isolators.
a) Preventive Monthly Maintenance Work b) Relay
testing Work c) Premonsoon Inspection Work.
During the LC period, a) 230KV Alundur - Alagarkoil feeder both end availing Total Shut
down. b) All other 230 KV feeder's will be in service. c) There will be no interruption of
supply to any other feeders & ss.
POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1 0 Approved
126 Erode 110 KV UNJANAI 230 KV 1) Jumper Tightness Checking work Jeedarpalayam SS availing total shutdown. possible Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1
subject to
jedarpalayam ss
availing tsd
Approved
127 Erode 230 KV SALEM AUTO 230 KV100MVA Auto Transformer-III, HV-III, LV-III
Breakers & their CTsMonthly Maintenance work.
1. 2Nos. 100MVA Auto Transformer-I & II will be in service and adequate to fed Salem
load. 2. There will be no interruption to any SS or feeder.possible Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
128 Madurai 400 KV Kayathar 400 KV
400kv karaikudi-1 feeder Main Breaker (407-
52) Reactor Breaker (407-52R),Reactor & CT
only
Monthly Maintenance work onlyDuring the LC period there will be no supply in 400kv karaikudi-1 feeder Main Breaker
(407-52) Reactor Breaker (407-52R),Reactor & CT hence no substation affected.POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1
App in 129
occ/114Approved
129 Erode 110 KV INGUR 230 KVLine side Isolator
MONTHLY MAINTENANCE WORKS SIPCOT - II TOTAL SHUT DOWN ON THAT DAY possible Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 14:00 1
subject to sipcot 2
tsd and the rest of
the loads being
fed from palladam
ss
Approved
130 Chennai 110 KV VEERAPURAM 230 KV 110 KV Thiruporur feederAnnual relay test, Tandelta test, Equipment
Maintenance , Line maintenance
1.Total shutdown approval in 110KV Anjur,110KV Thirukalukundram,110KV
Thiruporur,110KV Alathur, as per SE/CEDC/Chengalpattu.2.Back feeding supply to M/S
Orchid chemicals may be arranged through 110KV Siruseri feeder from 230 KV S.P.Koil
SS.
Possible Tue, 04-Apr-2017 09:00 Tue, 04-Apr-2017 14:00 1
Subject to
concurrence of
M/S Orchid
chemicals
Approved
131 Chennai 110 KV MANALI 230 KV 110kv ETPS-2 and 110kv MFL-1 feeders For repair work in 110kv Interlink switch 110kv ETPS-2 and 110kv MFL-1 feeders will not be in service Possible Tue, 04-Apr-2017 10:00 Tue, 04-Apr-2017 17:00 1 0 Approved
132 Erode 110 KV PONNAPURAM 230 KV110 KV Maruthur # section between 110KV
Kethanur, Kaniyur and Karadubavi SSFor P.M.I works by lines/Pdm wing.
1. 110KV KARADIBAVI & SALAIPUTHUR SS WILL AVAIL TOTAL SHUTDOWN ON
04.04.2017,2. 11OKV MARHTHUR # WILL BE KEPT RADIAL FROM 230KV
PALLADAM/110 KV PALLADAM # UPTO 110KV MARUTHUR SS,3. HENCE NO SS
WILL AFFECTED
0 Tue, 04-Apr-2017 10:00 Tue, 04-Apr-2017 17:00 1 0Subject to Load
condition
133 Erode 230 KV SALEM AUTO 230 KV230KV KR THOPPUR-Singapuram feeder
entireRailway crossing jumpers checking.
1) 230KV KR Thoppur -Singapuram feeder breakers kept hand tripped at KR Thoppur
400KV SS and Singapuram 230KV SS,2) There will be no supply in 230KV KR
THOPPUR-Singapuram feeder entire,3) KR Thoppur 400KV SS and Singapuram 230KV
SS are availing breaker and line switches LC on that day.4) There will be no interruption
of supply to any SS.
possible Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1subject to the load
condition existingApproved
134 Madurai 110 KVNEMALITHIPIYAKUDI
230 KV
110KV Pattukkottai-Karambayam-N.T.kudi-II
feeder (line portion between pattukkottai ss to
karambayam 110kv ss)
For Premonsoon inspection work by AE Lines
pattukkottai
1) During the LC period 110 KV N.T.kudi-pattukkottai-I feeder in service.2) If necessary,
110KV Pattukkottai SS will be fed from Kovilkalappal by closing 110KV line isolator No.2
at Madukkur SS (Kovilkalappal-Madukkur-Pattukkottai) and 110KV Madukkur feeder
Breaker hand tripped at 230KV Nemmeli Thippiyakudi SS. 3) 110KV KARAMBAYAM SS
Radially fed from 230KV N T KUDI SS.4) 110KV NT KUDI-II Feeder Breaker Hand
Tripped condition at 110KV Pattukkottai SS.
POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1sub to load
condiitonApproved
135 Madurai 110 KV THANJAVUR 230 KV110 KV Thanjavur Link - 1 & 2 feeders'
breakers, CTs & LIs(one after another)
For monthly maintenance works by the
AEE/Mtce/Thanjavur.
During the LC period,1) the other end (i.e. Thanjavur 110 KV Grid SS) will avail LC on the
same day, 2) all other 110 KV feeders will be in tied condition, 3) 110 KV Ayyempettai SS
will avail shutdown on the same day,4) no supply interruption to any SS.
POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1sub to load
condiitonApproved
136 Erode 110 KV SALEM AUTO 230 KV
110KV Deviakurichi-Thammampatty
Feeder(Section Between Thammampatty
110KV SS - Namagripet 110KV SS)
Road crossing & loc no.40-60 jumpers checking.
1)Mettla 110KV SS will be availing total shutdown on that day.2)110KV Thammampatty -
Namagripet line series switch at thammampatty 110KV SS towards Namagripet side will
be Kept Opened.3)110KV Deviakurichi-Thammampatty feeder will be radially fed upto
Thammampatty 110KV SS from Deviakurichi 230KV SS.4)There will be no interruption of
supply to any SS.
0 Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1 0Subject to Load
condition
137 Madurai 110 KV PERAMBALUR 230 KV 110KV Siruvachur Feeder breaker CT's only For monthly maintenance work
During the above period of shut down1)110KV Siruvachur SS Also availing Total shut
down on the Same date. 2)110KV Pudukurichy SS and MRF load will be fed from 110KV
Kalakudy Grid SS.
POSSIBLE Tue, 04-Apr-2017 10:00 Tue, 04-Apr-2017 14:00 1sub to load
condiitonApproved
138 Erode 110 KV KARAMADAI 230 KV
1.110KV Pykara-Mettupalyam feeder section
between Pykara and Bhavani barrage I
HEP.2.110KV Kothagiri Spur line from
tapping tower to Kothagiri ss3.110KV
Mettuplayam-Mathampalayam feeder section
between nellithurai switching station to
Kattabettu
Stringing between Pykaraa-Mettupalayam feeder
and DP loc1 ii) stringing between new tower loc 5
amd loc no:6 and then to existing one x arm to
Kattabettu LILO tower by AE/Lines/Kattabettu and
Kothagiri
Kothagiri SS under total shutdown.Hence no SS will be affected 0 Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 18:00 1 0Subject to Load
condition
139 Madurai 110 KV Thanjavur 110 KV110kv TJR-LINK-I&II Feeder Br one after
anotherFor monthly maintenance work
During the LC period there will be no interruption of supply to any ss, LC also applied by
EE/O&M/TJR on the same day.POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1
sub to load
condiitonApproved
140 Chennai 230 KVTHIRUVANNAMALAI 230
KV
1. 110 KV Tiruvannamalai -Villupuram #,
Breaker, CT's and Line Isolator2. 110 KV
Tiruvannamalai - Kanji #, Breaker, CT's and
Line Isolator
Monthly maintenance work
During the period of L/c time,1.110 KV Mangalam SS availing total S/D,2. 110 KV
Vettavalam SS, 110 KV Rajanthangal SS, 110 KV Kilpennathur SS and 110 KV
Thandarai traction Feeders will be radially fed from 110 KV Villupuram Grid SS ( Radial
upto 110 KV Kil pennathur SS)3. 110 KV Kanji SS availing total S/D,4. 110 KV Solar
Generation and 110 KV Adamangalam SS will be fed from 230 KV Arni Substation,
Hence there is no interruption of supply please.
Possible Tue, 04-Apr-2017 09:00 Tue, 04-Apr-2017 15:00 1 To be discuss Approved
141 Erode 110 KV PYKARA110kV PYKARA - BHAVANI BARRIAGE 1 #
(BREAKER AND CT)
FOR GRT ANNUAL RELAY TESTING AND
MONTHLY MAINTENANCE WORK.NIL 0 Tue, 04-Apr-2017 8:00 Tue, 04-Apr-2017 17:00 1 0
Subject to Load
condition
142 Erode 110 KV KARAMADAI 230 KV
110KV Thudialur -Sandinallah feeder Section
between 110KV /22KV maruthur SS and
Sandinallah SS .
1.To open jumper at S2 switch at Jagathala SSDuring LC period Kothagiri SS,Jagathala SS and Kattabettu SS will be under Total
shutdown . MAruthur SS will be fed from Thudialur end .0 Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 12:00 1 0
Subject to Load
condition
143 Erode 110 KV KARAMADAI 230 KV
110KV Thudialur -Sandinallah feeder Section
between 110KV /22KV maruthur SS and
Sandinallah SS .
1.To open jumper at S2 switch at Jagathala SS and
PMI work by AEE/lines /Kothagiri
During LC period Kothagiri SS and Kattabettu SS will be under Total shutdown . MAruthur
SS will be fed from Thudialur end .0 Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1 0
Subject to Load
condition
144 Chennai 110 KV THIRUVALAM 230 KVcharged line) entire.
For provision of Repair sleeve in between location 51
-52..KV Sholinghur SS to 110 KV A.J. Pet SS. Hence there will be no interruption of supply
please.
Possible Tue, 04-Apr-2017 09:00 Tue, 04-Apr-2017 14:00 1 0 Approved
145 Madurai 110 KVANUPPANKULAM 230
KV
110 KV APKM - Thulukkapatti-II feeder Br.,
CT., and Line entire.For Monthly Maintenance Work.
During the LC period the 110 KV Thulukkapatti I feeder will cater the load of 110 KV
Thulukkapatti II feeder. Hence no SS will be affected.POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 14:00 1
Sub to load
conditionApproved
146 Chennai 110 KV Vilathikulam 110 KVLINK #
Breaker & CT maintenance worksRadial from other end,1.110KV Uraiyur SS availing total shut down.2.Load can be
manageable through Neyveli-I #.3.Railway traction load will be maintained in Neyveli-I #.Possible Tue, 04-Apr-2017 09:00 Tue, 04-Apr-2017 17:00 1 0 Approved
147 Erode 110 KVGURUPARAPALLI 230
KV110KV GC Breaker in 110/33 KV SS
Momnthly Maintenance work in 110KV GC I & II,
110/33KV Power transformer I, 110/11KV POwer
TRansformer II, 11KV LV, 33KV LV, 33KV & 11KV
feeder breakers
All 11KV & 33KV feeder breakers to be hand tripped, 11KV LV will be hand tripped afetr
availing station supply from feeder fed from 11oKV Krishnagiri SS, 33KV LV will be hand
tripped. 110KV GC I & GC II will be hand tripped. Concurrence obtained from
SE/O/Thiruvalam & SE/KEDC/Krishnagiri. Total shut down proposed at 110KV SS as per
approval received from CE/D/Vellore
0 Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 14:00 1 0Subject to Load
condition
148 Erode 230 KV SINGAPURAM 230 KV230KV K.R.Thoppur
Feeder(Breaker,CT&Isolator)Monthly Maintenance 1.Monthly Maintenance @ both ends 0 Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1 0
Approved Subject to
EE/SLDC/Erode
approval
149 Chennai 230 KV ACHRAPAKKAM 230 KV 16 MVA PR.TR.III FOR MONTHLY MAINTENANCE WORK 1.16 MVA PR.TR.I&II Will be inservice cater the entire 11kv Loads Pending Tue, 04-Apr-2017 09:00 Tue, 04-Apr-2017 12:00 1 0Subject to SE/O
concurrence
150 Madurai 110 KV PASUMALAI 230 KV
1)110KV Pasumalai - Alagarkoil -1 # BKR &
CT,LI . 2. Line LC Section between
Pasumalai - Avaniyapuram SS.
1)Maintenance Works of BKR & CT, LI 2)Tree
Cutting works
1)The Feeder will be kept radial from Alagarkoil SS upto Vandiyur SS feeding Othkadai,
IT Park, Industrial Estate SS 2)110/33-11 KV Anupanadi SS Loads will be transferred to
110KV Pasumalai - Sakthisugars feeder radial feeding Villapuram SS 3)Avaniyapuram
SS will be under shutdown
POSSIBLE Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 14:00 1LC already applied
on 4.4.17Approved
151 Madurai 110 KV KODIKURICHY 230 KV
110KV Kodikurichi -Tenkasi - Papanasam
feeder section between 110 KV Kadayam SS -
papanasam-rastha SS
For replacement of defective insulator at loc no: 24
(kadayam spur line) and restinging of earth wire at
location 83-84 Main line
During LC period, i)110 KV Tenkasi SS 110Kv shenkottai SS 110KV Keelapavoor SS and
110KV kadayam SS will be redially fed from 110 KV kodikurichi SS. ii)110 KV Rastha SS
will be fed from 110 KV Kayathar-papanasam Feeder by closing of bus coupler switch at
rastha SS end. iii).Hence no SS will be affected.
0 Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 17:00 1
LC may be availed
on 4.4.17.Since
EE/O/ KYR
programmed on
4.4.17
Approved Subject to
load condition
152 Madurai 230 KV Alagarkoil230kv230KV ALKL-ALUNDUR # Vbreaker CT,LINE
CVT & Line entire.for monthly maintenace wor & tree clearence work
During the L.C period the 230KV SUPPLY WILL BE FED FROM230KV other feeder, other
end also proposed L.C on the same date, hence there will be no interruption of supply
please.
0 Tue, 04-Apr-2017 9:00 Tue, 04-Apr-2017 16:00 1PRPONED TO
4.4.17
Approved Subject to
load condition
153 Chennai 230 KV CUDDALORE 230 KV230 KV Bus coupler bay and 230KV Bus Bay
strung bus
GCC/Trichy wing work for KfW fund Augmentation
of Replace the Existing Twin Kunda strung bus by
Twin MOOSE.LC Period from 01.04.2017 to
09.04.2017 (9days)
During the period of LC the 230 KV BUS A will be in service Hence no interruption of
supply.Concurrence obtained from SE/O/Villupuram.Pending Wed, 05-Apr-2017 09:00 Fri, 14-Apr-2017 17:00 3 0
Approved Subject to
normalisation of
Auto Trf.2
154 Erode 230 KV KUNDAH PH3 230KV KPH4 Feeder to Thudiyalur Feeder
230KV KPH4 Feeder to Thudiyalur Feeder Tower
No:01 to 12 Pre-Monsoon Inspection work(PMI) and
Maintenance work.
Bus and Line both end open condition Earth switch closed condition. 0 Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1 0 Approved
155 Erode 230 KV KUNDAH PH3 230KV KPH4 Feeder to Thudiyalur Feeder
230KV KPH4 Feeder to Thudiyalur Feeder Tower
No13 to 24 Pre-Monsoon Inspection work(PMI) and
Maintenance work.
Bus and Line both end open condition Earth switch closed condition. 0 Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1 0 Approved
156 Madurai 230 KV VEERANAM 230 KV230Kv Veeranam - Kayathar Feeder Br,CT
with line switchFor Monthly Maintenance work
During the LC period there will be no supply on the entire Feeder.Concurrence obtained
from SE/ NCES/TIRUNELVELI.POSSIBLE Wed, 05-Apr-2017 10:00 Wed, 05-Apr-2017 17:00 1 0 Approved
157 Madurai 230 KV KAYATHAR 230 KVOn 230KV Kayathar - Veeranam feeder
breaker with CT & entire line
a) For monthly maintenance work & SF6 gas filling
work. b) Tower to Tower Inspection WorkDuring the LC period, other end also availing the LC. Hence no SS affected. POSSIBLE Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1 0 Approved
158 Erode 230 KV MTPS MTPS-I to Ingur Feeder Monthly maintenance Programmed LC possible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1
subject to load
condition existing
as no tsd relief
scheduled
Approved
159 Madurai 230 KV KODIKURICHY 230 KV230KV Amuthapuram # II Breaker with C.T
and all Isolators one by one.Monthly maintenance work
EE/O/Amuthapuram Has also appiled L.C on 230KV Amuthapuram # II on same day (05-
04-2017) .POSSIBLE Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1 0 Approved
160 Erode 230 KV THINGALUR 230 KV230KV MTPS II feeder Breaker,CTs and Line
IsolatorsMonthly Maintenance Works The Feeder is already in radial condition possible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1 radial feeder Approved
161 Chennai 400 KVSunguvarchatram 400
KV315 MVA,400/230KV,Auto Transformer-1 Monthly maintenance work
During the LC Period 315MVA 400/230KV Auto Transformer-1 in OFF Condition and Auto
Transformer 2 will cater the load of Auto Transformer -1.
Possible, OCC
Appd. 129/120Wed, 05-Apr-2017 09:00 Wed, 05-Apr-2017 17:00 1 0 Approved
162 Erode
GENERATI
NG
STATIONS
KUNDAH PH5 UNIT NO: 01ANNUAL RELAY TESTING WORK BY GRT WING
KUNDAHDURING THE LC PERIOD THE UNIT NO:01 WILL BE UNDER NOT S/B CONDITION.. possible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1
subject to the grid
conditionApproved
163 Chennai 110 KV Alamathy 400 KV110KV AVADI-1 & 110KV AVADI-2(ONE BY
ONE)ANNUAL RELAY TESTING BY GRT WING.
DURING THE ABOVE SHUTDOWN PERIOD 110KV AVADI-1 & 110KV AVADI-2(ONE
BY ONE) WILL NOT BE IN SERVICE.
Possible with
CBD
Concurrence
Wed, 05-Apr-2017 10:00 Wed, 05-Apr-2017 17:00 1 0 Approved
164 Erode 110 KV Erode 110 KV110 KV ERODE - INGUR III FEEDER
BREAKER AND CTMONTHLY MAINTENANCE WORK
DURING LC PERIOD NO SS WILL BE AFFECTED. NECESSARY CONCURRENCE
OBTAINED FROM SE/EEDC/ERODE.possible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 13:00 1
subject to the load
condition existingApproved
165 Madurai 110 KV PASUMALAI 230 KV
1).110 KV Pasumalai - Alagarkoil-II # BKR &
CT, LI only. 2)Line LC in Section between
Pasumalai - Anaiyur SS.
1)Maintenance Works of BKR & CT, LI only2)Tree
Cutting works
1) The Feeder will be kept radial from Alagarkoil SS upto Vandiyur SS feeding Othkadai,
IT Park, Industrial Estate SS 2)110/33-11 KV Anupanadi SS Loads will be transferred to
110KV Pasumalai - Sakthisugars feeder radial feeding Villapuram SS 3)Avaniyapuram
SS will be under shutdown
0 Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 14:00 1feeder 2 condition
not mentioned.Approved
166 Madurai 230 KV KODIKURICHY 230 KV
(i) 230KVAmuthapuram II feeder Breaker,CT
& Isolator. (ii) 230KV Amuthapuram II feeder
entire Line.
(i) For monthly maintenace work (ii) For replacement
of defective Insulator at Location No :45 (R & Y
phase)
During the LC period, (i) 230 KV Amuthapuram SS also availing monthly maintenace
work (ii) 230KV Isolator towards Amuthapuram will be kept opened atKodikurichi SS,
230KV Isolator towards Kodikurichi will be kept opened at Amuthapuram SS
POSSIBLE Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1 0 Approved
167 Madurai 230 KV TTPS 1)230KV TTPS-CKNI FEEDER For Maintenance work1)Both end Breakers to be tripped2)Both end Bus & Line switches to be opened3)Both
End earth switches to be closed conditionPOSSIBLE Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1 0 Approved
168 Madurai 230 KV AMUTHAPURAM 230 KVAmuthapuran-kodikurichi-2 230KV
#,breakers,CT's and its isolatorsMonthly maintenance work
1) During the LC period there will be NO supply in this feeder. 2) Other End also avail LC
on same day. 3) Cocurrence obtained from SE/NCES/TIN.POSSIBLE Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1 0 Approved
169 Madurai 230 KV PUGALUR 230 KV230 KV Pugalur - Paramathy I feeder
Breaker, CT & line switch and line entire only1. Monthly maintenance work 2) Tree cutting work
During the LC period, there will be no supply in 230 KV Pugalur - Paramathy I feeder.
Necessary Concurrence obtained from PGCIL Paramathy. Hence There is no interruption
to any SS,LC approved in 129 th OCC meeting
POSSIBLE Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1App in 129
occ/111Approved
170 Erode 230 KV UNJANAI 230 KV1.CAPACITOR BANK NO :II BREAKER, CT'S
AND BANKSIDE ISOLATOR ONLYFOR MONTHLY MAINTENANCE WORK
DURING THE L.C PERIOD CAPACITOR BANK NO :I WILL CATER THE STATION WAR
LOADSpossible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 15:00 1
subject to the
voltage profile in
the grid
Approved
171 Madurai 110 KV then I 230 KV110 KV THENI KINNIMANGALAM I & II #
BREAKER WITH CT ONE BY ONE .MONTHLY MAINTENANCE WORK. MONTHLY MAINTENANCE WORK (R/F KINNIMANGALAM). POSSIBLE Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1 0 Approved
172 Madurai 230 KVCHECKANURANI SW
STATION 230 KV230KV CKNI-TTPS Feeder Entire
For Monthly maintenance works and Line
Maintenance worksDuring the LC period, there will be no supply in the Entire feeder POSSIBLE Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1 0 Approved
173 Madurai 110 KV KAVANOOR 230 KV
110 KV KARAIKUDI-VALUTHUR # SEC.
BET. VALUTHUR & R.S.MANGALAM
(INCLUDING SALAIGRAMAM SPUR LINE
LINE MAINTENANCE WORKSFEEDER TO BE KEPT RADIAL FROM KARAIKUDI UPTO R.S.MANGALAM.
SALAIGRAMAM TO BE AVAILED SHUTDOWN; L.R. 1.2 MWPOSSIBLE Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1
sub to total s/d
and karaikudi auto
loading
Approved Subject to
load condition
174 Erode 110 KVPUDHANCHANTHAI 230
KV
110KV Valayapatty feeder CB, CTs and Line
Switch.
To attend meagre oil leak from P2 Terminal of R & Y
Phase CTs and attend regular maintenance works.
During LC period110KV Erumapatty SS availing Total Shut dodwn.110KV Valayapatty
and SENdamangalam SS will be back fed from 110KV PSI-Namakkal feeder.No supply
interruption.
possible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1
subject to the load
transfers being
effected
Approved
175 Madurai 110 KV KADALANGUDI 230 KV 110KV Palaiyur- Aduthurai feeder entire Line inspection and rectification work
No interruption to any SS. 110KV Aduthurai SS proposed to shutdown. 110KV KGTPS-
Palaiyur feeder will be in radial condition up to Palaiyur SS. The 110KV Thirupanandal,
Thirupurambium and Jayankondam SS supply fed from 110KV Kadalangudy- Aduthurai-
Neyveli TS I feeder.
POSSIBLE Wed, 05-Apr-2017 10:00 Wed, 05-Apr-2017 16:00 1 0 Approved
176 Madurai 110 KVRENGANATHAPURAM
230 KV
110kv RNPM-SBT I # section between
Reddiyarchatram SS and Kannivadi SSTree cutting work
during LC period 110kv RNPM-SBT I # radially fed from RNPM upto Reddiyarchatram SS
and radially fed from SBT upto Kannivadi SSPOSSIBLE Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 14:00 1 0 Approved
177 Madurai 230 KV TRICHY 230 KV1. 230 KV TRICHY - ALUNDUR I Feeder
breaker,CTs, Line isolator and line entire.0
During the LC period, a) other end also availing LC on the same feeder. b) All other
230KV feeders will be in tied condition. c) Hence there will be no interruption of supply to
any of the feeder and SS.
POSSIBLE Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1sub to load
conditionApproved
178 Madurai 230 KV THIRUVARUR 230 KV 230KV Thiruvarur - PPN Feeder
Line premansoon Inspection and Rectification work,
Breaker, CT's & Isolator maintenance work and PPN
Plant side Relay Testing work.
During the LC period all other 230KV Feeders are in tied condition. Hence there will be no
interruption of supply to any other Substations.POSSIBLE Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1 0 Approved
179 Erode 230 KVOTHAKKAL MANDABAM
230 KV
230KV OKM-Anikadavu Feeder Entire
(Breaker, CT's, 89M1, 89M2 & 89L Isolators)for monthly maintenance works. During the LC period, the other 230 KV feeders are in service to cater the SS loads. possible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1
subject to the load
condition existingApproved
180 Madurai 230 KV SEMBATTY 230 KV230/110KV Auto I, HV i and LV I, bkr, CTs
and relaysMonthly maintenance work During the LC period Auto II and III will be in service. POSSIBLE Wed, 05-Apr-2017 10:00 Wed, 05-Apr-2017 17:00 1
sub to load
conditionApproved
181 Madurai 110 KV SEMBATTY 230 KV110kv SBT - RNPM I # Bkr, CTs and sec. bet.
SBT and Reddiyarchatram SS1. Monthly maintenance work2. Tree cutting work
During the LC period, Kannivadi SS availing total shutdown and the feeder will be radial
from other end upto Reddiyarchatram SS. Hence no interruption to any SS.POSSIBLE Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1 0 Approved
182 Erode 230 KV METTUR TPH230KV MTPH-AUTO SS Fedder SF6
Breaker,CTs and IsolatorsFor Monthly maintenance works
During the above LC period 230KV MTPH-MTPS Feeder will be in service and machine
1,2,3 &4 will be in common spell AOH works and machine 4 in Individual spell AOH work
and PWD Demand meet out by Dam power house units.
postponed Wed, 05-Apr-2017 7:00 Wed, 05-Apr-2017 17:00 1
96 mw support to
mettur auto ss
would be cut
Subject to
EE/SLDC/Erode
approval
183 Erode 110 KV DEVIAKURICHI 230 KV110 KV Capacitor bank II Breaker CTs,
Capacitor side Isolator, LASFor Monthly Maintenance work Capacitor Bank I will be in service possible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1
subject to the
voltage profile in
the grid
Approved
184 Chennai 230 KV ARNI 230 KV230KV Arani Echur Feeder Breaker,230KV
CTs and 230KV Line Isolatores
For 230KV Breaker, Line Isolator and CT monthly
maintenance work.
During the period of LC the 230KV Bhavini - I & Bhavini - II Feeder loads (Sirucheri SS
Loads 70MW ) will be transferred to 230KV Singarapet SS by Split bus arrangements in
230KV Arani SS.Also 110KV Polur SS loads and Vandavasi SS loads will be transferred
to 230KV Thiruvannamalai SS and 230KV Achcharapakkam SS respectively.
Possible with
Split BusWed, 05-Apr-2017 09:00 Wed, 05-Apr-2017 14:00 1 0
Approved with Split
bus arrangement
185 Madurai 230 KV KADALANGUDI 230 KV 230KV PPN- Thiruvarur feeder entire1)Line inspection and rectification work 2)Relay
testing work at Plant end.
No interruption to any SS. All other feeders will be in tied condition. Plant is under
shutdown.POSSIBLE Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1 0 Approved
186 Erode 110 KV UDUMALPET 230 KV110 KV UDUMALPET LINK III FEEDER
BREAKER AND LINE ENTIREFOR MONTHLY MAINTENANCE WORKS
DURING LC PERIOD THE ABOVE FEEDER LOADS WILL BE CATER IN 110KV UDT I &
II FEEDERSpossible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1
subject to the
other two link
feeders loading
limit
Approved
187 Erode 230 KV UDUMALPET 230 KV230KV UDT-ALIYAR FEEDER BREAKER
AND LINE ENTIREFOR MONTHLY MAINTENANCE WORKS
THE ABOVE FEEDER LOADS WILL BE FED FROM 230KV MYVADI LINK I & II
FEEDERSpossible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1
subject to the load
condition existingApproved
188 Chennai 400 KV Sriperumbudur 400 KV 400KV BUS-II Entire Half yearly maintenance work During the period of shut down 400kv Bus-I will be in servicePossible, OCC
Appd. 129/121Wed, 05-Apr-2017 09:00 Wed, 05-Apr-2017 17:00 1 0 Approved
189 Erode 230 KV METTUR AUTO 230 KV 230 kv MTPS 1 -Ingur feeder entire Jumbercone tightness checking at MTPS 1 Ingur bay Programmed LC at MTPS -1 on 05.04.2017 possible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 14:00 1
subject to the load
condition existing
as no tsd has
been scheduled
Approved
190 Erode 230 KV THUDIALUR 230 KV 100MVA Auto transformer-II, HV-II & LV-II For monthly maintenance works Auto Transformer I & III will be in service possible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
191 Erode 110 KV Udumalpet 110 KVEntire line
Monthly Maintenance workDuring LC period there is no SS will be affected since there is inter connected SS fed from
other end.possible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1
subject to the
other two link
feeders loading
limit
Approved
192 Erode 230 KV SINGARAPET 230 KV Auto transformer III & LV III BreakerTo carry monthly maintenance work by
AEE/MTC/230 KV SS / SPT
During the period of LC, 1) Auto transformer III and LV III breaker will be in off condition.
2) The Auto transformer I and II will be in service.3) All the 110 KV feeders will be in
service. Except 110KV SSREL # which will be radially charged condition from
Karimangalam 230KVSS.4) 110 KV Ramiyanahalli SS and Pappireddipatty SS loads will
be fed from Karimangalam SS if necessary and hence no interruption of supply.
possible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 15:00 1
subject to the
other auto trs
loading limit
Approved
193 Erode 110 KV ARASUR 230 KV
110 KV Arasur - Karamadai I feeder( section
between 110 KV Kaduvettipalayam SS and
110 KV Ellapalayam SS )
For PMI works.
During the Line Clear period, 1) 110 KV MGC palayam SS and 11o KV Kaduvettipalayam
SS will be fed from 230 KV Arasur SS 2) 110 KV Ellapalayam SS will be fed from 230 KV
Karamadai SS
possible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1subject to the
division of loadsApproved
194 Erode 230 KV ARASUR 230 KV230/110 KV Autotransformer - I, HV-I, LV-I,
For Monthly maintenance work. )
During the Line Clear period, 1) 110 KV Kalapatty SS,110 KV Sulur SS and 110 KV
Neelambur SS under Total Shut down.2)remaining loads will be managed by 3 Nos Auto
Transformers.3) 110KV Thudialur # will be radial from 230 KV Thudialur SS if necessary.
possible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 16:00 1
subject to the
other auto trs
loading limit
Approved
195 Chennai 230 KV Lines/Athipet 230KV Tondiarpet - NCTPS Stage-I 2 Jumper tightness. Tower to Tower inspection. All other feeder in service.To be discuss -
2daysWed, 05-Apr-2017 08:00 Thu, 06-Apr-2017 18:00 1 0
Approved (Daily
basis0
196 Madurai 230 KV ALUNDUR 230 KV230KV Alundur -Trichy I feeder breaker,
CT'S, CVT'S and line isolators.
a) Preventive Monthly maintenance work.
b)premonsoon inspection and tree cutting work. C)
Relay Testing Work.
During the LC period, a) Other end also avail shutdown. b) All other 230 KV feeders will
be in service. c) There will be no interruption of supply to any other feeders.POSSIBLE Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1
sub to load
conditionApproved
197 Erode 230 KV INGUR 230 KV Line side Isolator and 230 KV main Bus &
Auxillary Bus switch
MONTHLY MAINTENANCE WORKS AND ALSO
NEW LAS ERECTION WORKOTHER END ALSO AVAIL LC ON THAT DAY possible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 14:00 1
subject to the load
condition existing
as no tsd has
been scheduled
Approved
198 Chennai 110 KVGUMMIDIPOONDI 230
KV110KV Sipcot II feeder bay
For providing Wave drop jumper in Sipcot II feeder,
GRT Annual Relay test in Hi- Tech 110KV feeder
Sipcot II -Gummidipoondi link feeder at 110KV
Sipcot II SS end and 110KV Panjetty feeder monthly
maintenance work at 230KV Gummidipoondi SS
Concurance to be obtained from M/s. OPG and M/s. Hi-Tech and EHT consumer during
the period of shutdown no export from 110KV OPG and Hi- Tech private generation and
110KV panjetty SS load may be transfered to 230KV Manali SS
Possible Wed, 05-Apr-2017 10:00 Wed, 05-Apr-2017 17:00 1
Subject to
concurrence from
M/s. OPG and
M/s. Hi-Tech and
EHT consumer
Approved
199 Madurai 110 KV KODIKURICHY 230 KVon 110KV Shasayee Paper Mill #
(O.Thulukkapatti SS)
For Annual Relay Test Conduct by
AEE/GRT/Thalaiyuthu
110 KV EHT consumer Shasayee Paper Mill availing shutdown . Concurrance obtained
from the consumer by AEE/MAINTENANCE/O.T.PATTI.Hence No SS will be affected.POSSIBLE Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1 0 Approved
200 Erode 230 KV KARAMADAI 230 KV
1.400/230KV ,315 MVA ICT1, HV and LV
breakers and its CTs.2.110KV Karamadai-
Arasur I feeder section between 110KV
Kaduvettipalayam SS and 110Kv
Ellapalayam SS
1.For maintenance works.2.AE/Lines /Arasur for PMI
1.During LC period ICT II& III will be inservice 2. During LC period No SS will be affected,
as Ellapalayam SS will be fed from Karamadai SS and MGC Palayam and
Kaduvettipalayam will be fed from Arasur 230KV SS
possible Wed, 05-Apr-2017 10:00 Wed, 05-Apr-2017 17:00 1
occ approved and
subject to the load
condition
Approved
201 Erode 230 KV METTUR AUTO 230 KV 230kv MTPH FEEDER ENTIRE MONTHLY MAINTENANCE WORK DURING THE LC PERIOD OTHER 230KV FEEDERS WILL BE INSERVICE postponed Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1
96 mw support to
mettur auto ss
would be cut
Subject to
EE/SLDC/Erode
approval
202 Madurai 110 KVNEMALITHIPIYAKUDI
230 KV
110KV N T KUDI-MADUKKUR-
THIRUMAKKOTTAI-KOVILKALAPPAL
FEEDER (LP: 110KV MADUKKUR SS TO
110KV THIRUMAKKOTTAI SS)
FOR PREMONSOON INSPECTION WORK BY
AE/LINES/PATTUKKOTTAI
1) DURING THE LC PERIOD, 110KV MADUKKUR SS RADIALLY FED FROM 230KV NT
KUDI SS AND 110KV THIRUMAKKOTTAI SS RADIALLY FED FROM KOVILKALAPPAL.
2) NO INTERRUPTION TO ANY OTHER SS.
POSSIBLE Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1sub to load
conditionApproved
203 Erode 230 KV KUNDAH PH2230KV KPH2-KPH3 FEEDER SF6 BREAKER
AND ITS ACCESSIORIESFOR MONTHLY MAINTENANCE WORK SF6 BREAKER OFF IN CONDITION TOP AND BOTTOM BUS OPEN IN CONDITION Possible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1 0 Approved
204 Chennai 230 KV ECHUR 230 KV 230 KV Echur - Arni # Monthly Maintenance Work
230 KV Echur - Arni & Kalpakkam #-at time of LC in 230 KV kalpakkam #, Kalpakam #
breaker will be HT, Echur -Arni# breaker HT and Load transferred to other end SS no
supply to Arni#, Then 110 KV mazhaiyur SS Load transferred to 230 KV Villupuram SS
and 110 KV Vandavasi SS Load transferred to 230 KV Acharapakkam SS. Maintenance
work carry over Echur - Arni & Kalpakkam #
Pending Wed, 05-Apr-2017 09:00 Fri, 07-Apr-2017 17:00 3 0 Approved
205 Erode 230 KV HOSUR 230 KV
1.230/110 KV Auto Transformer I 2. 230/110
KV Auto Transformer II3. 230KV Shoolagiri
Feeder Breaker&entire line.4. 110 KV Bagalur
feeder Breaker&entire line.5. 110 KV
Zuzuvadi feeder Breaker&entire line.6. 110/33-
11 KV GC Hosur
1. For Monthly Maintenance Work. 2. For attending
glow in Zuzuvadi feeder.3.For replacement of static
relay of 230KV Shoolagiri feeder. 4.For replacement
of defective master trip relay to 110/11 KV GC.
During the above line clear period there will be no supply to 110 KV Min Nagar SS , 110
KV Nariganapuram SS , 110 KV Bagalur SS , 110 KV Zuzuvadi SS , 110 KV Hosur SS
and M/s. TVS Motor Company Ltd, the above ss are availing Mtce shutdown on the same
day. The 230KV Hosur ss loads will be catered through 230KV Mettur feeder and the
loads wiil maintained with in to Auto Transformer capacity.The concurrence of
Superintending Engineer / KEDC / Krishnagiri , Superintending Engineer/ Operation /
Thiruvalam and Chief Engineer / Distribution / Vellore has been obtained.
possible Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 14:00 1
subject to the tsd
relief being
realized
Approved
206 Erode 230 KV HOSUR 230 KV
110KV Hosur-Bagalur feeder & 110KV Hosur -
Zuzuvadi feeder& 230KV Hosur-Shollagiri
feeder
1)Monthly Line maintenance work
During the above LC period there will be no supply to 110KV Minnagar SS,110KV
Nariganapuram SS,110KV Bagalur SS,110KV Zuzuvadi SS and M/S TVS Motor company
LTD,The above SS are availing Monthhly Shutdown on the same day.The 230KV Hosur
SS Load will be catered through 230KV Mettur feeder.The concurrence of
CE/D/Vellore,SE/O/TVlm and SE/KEDC has been obtained.
0 Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 14:00 1 0
Approved Subject to
EE/SLDC/Erode
approval
207 Chennai 230 KV CUDDALORE 230 KV 110 Kv - Neyveli-Aduthurai feederFor painting of DP structures and checking of jumper
Durind the period of LC The 110 KV srimushnam and 110 KV Umangalam SS will be
availing total shutdown.110 KV Papakudi SS load Already fed from 230 KV SS
kadalangudi.Hence NO Interruption of SupplyConcurrence obtained from
SE/O/Villupuram
Possible Wed, 05-Apr-2017 09:00 Wed, 05-Apr-2017 17:00 1 0 Approved
208 Erode
GENERATI
NG
STATIONS
PYKARA UNIT 2 FOR MONTHLY MAINTENANCE WORK NIL 0 Wed, 05-Apr-2017 8:00 Wed, 05-Apr-2017 17:00 1 0 Approved
209 Erode 230 KV ALIYAR 230 KV230KV ALR-UDT FEEDER CB,CT&LINE
ENTIREQuarterly mtce work During the LC period 230kv kdh feeder will caters the load 0 Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 16:00 1 0
Approved Subject to
grid condition
210 Chennai 110 KV VILLUPURAM 230 KV110 KV Villupuram-Madurapakkam-II #
(Breaker, CTs ).For monthly maintenance works
For maintenance works and jumpers tightening works in Vikravandi LILO.VKD, MPKM,
Vanur & TCBLM SS availing total shutdown.Possible Wed, 05-Apr-2017 09:00 Wed, 05-Apr-2017 17:00 1 0 Approved
211 Madurai 110 KVANUPPANKULAM 230
KV
110KV APKM - NSPM feeder Breaker CT and
line Switch only.For Monthly Maintenance Work.
During the LC period, the other end also availing LC on the same date. Hence no ss will
be affected.0 Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 13:00 1 0 Approved
212 Madurai 110 KVANUPPANKULAM 230
KV
A) 110KV NSPM-APKM # Breaker. B) 110KV
NSPM-APKM # Line Entire. C) 110KV Bus
Entire at NSPM SS.
A) New Breaker wiring and testing & commissioning
works.B) Swapping of 110 KV NSPM - APKM line
from existing bay to new bay. C) 110 KV Bus
extension & Dropper providing works & Monthly
maintenance works.
During the LC period, A)110KV NSPM-APKM feeder breaker will be kept in tripped
condition. B)&C) 110KV NSPM-APKM feeder entire line under total shut down condition
and N.Subbiahpuram-Kayathar feeder will be radialy fed from other end upto Viyajapuri
110KV SS.110KV ETA feeder will be tripped condition since the EHT SC feeder was
under DC from 23.03.2016.Hence No SS affected.Concurrence obtained from
SE/VREDC/VDR.
0 Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 2
NSPM BUS LC
ONE DAY & S/D
ONE DAY
Approved
213 Chennai 110 KV Vilathikulam 110 KV 110KV VPM- Neyveli- I # Breaker & CT maintenance works
Radial from other end,1.Arasur Ss in Neyveli-II #availing total shut down.2.Load can be
manageable through Neyveli-II #.3.Railway traction load will be transferred to Neyveli-II
#& jumper Tightening works in the Traction Line.
Possible Wed, 05-Apr-2017 09:00 Wed, 05-Apr-2017 17:00 1Subject to load
conditionApproved
214 Chennai 230 KV
BASIN
BRIDGE(GMRVASAVI)
230 KV
Auto Transformer 3 OLTC oil changing work & routine maintenane workAuto Transformer 3 will not be inservice, Auto Transformer 1 & 2, all 230 KV & 110 KV #s
will be inservice .Possible Wed, 05-Apr-2017 09:00 Wed, 05-Apr-2017 17:00 1 0 Approved
215 Erode 230 KV KUNDAH PH3 230KV KPH4 Feeder to Thudiyalur Feeder
230KV KPH4 Feeder to Thudiyalur Feeder Tower
No:25 to 36 Pre-Monsoon Inspection work(PMI) and
Maintenance work.
Bus and Line both end open condition Earth switch closed condition. 0 Wed, 05-Apr-2017 9:00 Wed, 05-Apr-2017 17:00 1 0 Approved
216 Chennai 230 KV KITS 230 KV 100MVA Auto transformer-I For monthly maintenance work
During the above shutdown period 100MVA Auto transformer III and 80MVA Auto
transformer-II will be in service except 110KV Veerapuram # which will be in back
charged condition
Possible Wed, 05-Apr-2017 10:00 Wed, 05-Apr-2017 17:00 1 0 Approved
217 Chennai 110 KV THARAMANI 230 KV 110 KV Perungudy-2 feeder Quarterly Mtce. work 110 KV Perungudy -1 # will be in service Possible Wed, 05-Apr-2017 00:00 Wed, 05-Apr-2017 00:00 1 0 Approved
218 Madurai 230 KV PUDUKOTTAI 230 KV
AUTO I, HV I, LV I AND 110 KV ALANGUDY
EID PARRY FEEDER LINE PORTION
BETWEEN 230 KV SS AND EID PARRY
AND 110 KV ADHANAKKOTTAI FEEDER
LINE PORTION BETWEEN 110 KV
MALAIYUR SS TO 110 KV VADAKADU SS
AUTO I BREAKER, CT ISOLATORS AND EHT LINE
MAINTENANCE WORKS AND GRT TESTING
WORKS
110 KV ALANGUDY SS, 110 KV NAGUDY SS, 110 KV KODIKKULAM SS IN 110 KV
ALANGUDY EID PARRY FEEDER AVAILING TOTAL SHUT DOWN AND 110 KV
SUPPLY FOR 110 KV ALIYANILAI SS AND EID PARRY CO GENERATION IS TO BE
BACK FED THROUGH 110 KV SIPCOT FEEDER. 110 KV PUDUKKOTTAI SS IN 110 KV
SIPCOT FEEDER AND 110 KV VADAKADU SS IN 110 KV ADHANAKKOTTAI FEEDER
ALSO AVAILING TOTAL SHUT DOWN AND HENCE THERE WILL BE NO
INTERUPTION OF SUPPLY TO ANY SS
0 Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1POSTPONED TO
06.04.17
Approved subject to
load condition
219 Madurai 230 KV PASUMALAI 230 KV100 MVA AUTO - II, HVB - II, LVB - II, CT
only.
1)Monthly Maintenance Works 2)Attending to Oil
leak in the Auto.
1)Auto Transformer -1 will be in Service. 2)110KV Pasumalai - Sembatty feeder will be
kept radial from Sembatty end.3)110/33-11KV Arasaradi SS and 110KV Pasumalai SS
will be under Shutdown Relief - 62 MW. 4)110KV Pasumalai - Alagarkoil -2 Feeder will be
kept radial from other end.
0 Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 14:00 1POSTPONED TO
06.04.17
Approved subject to
load condition
220 Erode 400 KV Salem 400 KVHV & LV SIDE - ITS ENTIRE
BREAKERS, JUMPERS & SWITCHES
Monthly Maintenance WorkDuring 400/230 KV Auto Transformer I LC Period, 400/230 KV Auto Transformer II will be
in Service Condition. Hence there will be no interruption of supply.postponed Thu, 06-Apr-2017 8:00 Thu, 06-Apr-2017 14:00 1
occ approved date
is 06.04.2017Approved
221 Chennai 230 KV ECHUR 230 KV110 KV Echur- Vandavasi,Mazhayur# 110 KV
Breakers, CTs,Pts & Isolators Monthly Maintenance Work transferred to 230 KV Acharapakkam SS. 110 KV Echur - Mazhayur # the 110 KV
Mazhayur # Bkr HT Load transferred to 230 KV Villupuram SS.
Pending Thu, 06-Apr-2017 09:00 Thu, 06-Apr-2017 17:00 3 0 Approved
222 Madurai 230 KV KAYATHAR 230 KVOn 230KV Kayathar -Sanganeri feeder
breaker with CT entire line.
For a) Monthly maintenance work b)Tower to tower
inspection work.During the LC period, other end also availing the LC. Hence no SS affected. POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1 0 Approved
223 Madurai 110 KV SRPUDUR 230 KV
On 110KV SR Puthur - Nagercoil # section
between SR Puthur and MPM including
Thengampudur, kanyakumari.
Tree clearance and Tower to Tower inspection
During the LC period,110/11 KV MPM and TGPR SS will avail total shut down as
approved by SE/KKEDC/NGL. Nagercoil SS will avail supply from 110 KV SRP - Kodayar
I #. Hence no SS will be affected.
POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 14:00 1sub to total s/d
and wind genApproved
224 Erode 230 KV GOBI 230 KV230 KV MTPS II FEEDER BREAKER,CT'S
WITH LINE SWITCH
FOR ANNUAL RELAY TESTING WORK BT
P&C/GOBI AND FOR MONTHLY MAINTENANCE
WORK
230 KV ARASUR FEEDER,230 KV PALLAKAPALAYAM FEEDER AND 230 KV
ANTHIYUR FEEDER ARE IN SERVICE,IT MAY CATER THE LOADpossible Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1
subject to the load
condition existingApproved
225 Madurai 230 KV PUGALUR 230 KVAuto transformer I, HV I and LV I
Breaker,CT's and LAS only.For Monthly Maintenance Work
During the L.C Period HV I and LV I are tripped condition. The 110KV AC Palayam and
110 KV Thalapatty SS proposed total shutdown.There is no interruption to any SS. Load
contain with in two auto transformer (II&III)
POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1sub to load
conditionApproved
226 Madurai 110 KVTUTICORIN -AUTO 230
KV
On 110KV TTN-Sipcot-III feeder breaker with
CT bus and line side switchesFor Monthly Maintenance Work
No SS will be affected, and the feeder is radial from other end. During this Lc period 110
KV Town ss will be fed from 230 KV Sipcot ss.POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1 0 Approved
227 Madurai 110 KV then I 230 KV110 KV THENI-PERIYAR I & II # BREAKER
WITH CT ONE BY ONE.MONTHLY MAINTENANCE WORK. MONTHLY MAINTENANCE WORK. (R/F PERIYAR) POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1
sub to load
ocndiotiApproved
228 Erode 110 KV Salem 400 KV110 KV Nangavalli # - Its CT, BREAKER,
BUS & LINE SWITCHESMonthly Maintenance Work Nangavalli # fed from Mettur 230 KV SS after getting concurrence from M/s.JSW Ltd., possible Thu, 06-Apr-2017 8:00 Thu, 06-Apr-2017 14:00 1
subject to transfer
of loadsApproved
229 Madurai 110 KV KAVANOOR 230 KV
110 KV KARAIKUDI-VALUTHUR # SEC.
BET. R.S.MANGALAM AND THIRUVADANAI
(INCLUDING ANANDUR
LINE MAINTENANCE WORKS
FEEDER TO BE KEPT RADIAL FROM VALUTHUR UPTO R.S.MANGALAM AND TO
KEPT RADIAL FROM KARAIKUDI UPTO THIRUVADANAI. ANANDUR SS TO BE
UNDER SHUTDOWN; L.R. 0.7 MW
POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1 sub to total s/d Approved
230 Erode 110 KVPUDHANCHANTHAI 230
KV
110KV Pudhansandai feeder CB, CTs and
Line Switch.110KV West Bsu, its PTs and
Bus Side Switches-5 Nos.
For monthly maintenance works pending for 3
momnths.
During LC period110KV Pudhansandai SS availing Total Shut down.110KV Rasipuram
SS will be transferred to 110KV Salem-Mallur feeder.110KV Namakkal SS will be
transferred to 110KV PSI-Valayapatty feeder. 110KV Namagiripet SS will be transferred
to 110KV DVK-Thammampatty feeder.Other 110KV feeders will be fed through Auto-II in
service.No supply interruption.
possible Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1
subject to
puthansanthai ss
availing tsd; the
western bus lc will
be subject to load
condition
Approved
231 Madurai 110 KV kinnimangalam 230 KV 110KV KNMLM - THENI 1 # Monthly maintenance works for breaker and CT The feeder will be radial from 230KV Theni SS POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1 0 Approved
232 Madurai 230 KV PUDUKOTTAI 230 KV
AUTO 1, HV1, LV1 AND 110KV ALANGUDY
EID PARRY FEEDER LINE PORTION
BETWEEN 230KV SS AND EID PARRY AND
110KV ATHANAKKOTTAI FEEDER LINE
PORTION BETWEEN 110KV MALAIYUR SS
TO 110KV VADAKADU SS
AUTO I, BREAKER,CT,ISOLATORS AND EHT LINE
MAINTENANCE WORKS AND GRT TESTING
WORKS.
110 KV ALANGUDY SS, 110 KV NAGUDY SS, 110 KV KODIKKULAM SS IN 110 KV
ALANGUDY EID PARRY FEEDER AVAILING TOTAL SHUT DOWN AND 110 KV
SUPPLY FOR ALIYANILAI SS AND EID PARRY CO GENERATION IS TO BE BACK
FED THROUGH 110 KV SIPCOT FEEDER. 110 KV PUDUKKOTTAI SS IN 110 KV
SIPCOT FEEDER AND 110 KV VADAKADU SS IN 110 KV ADHANAKKOTTAI FEEDER
ALSO AVAILING TOTAL SHUT DOWN AND HENCE THERE WILL BE NO
INTERUPTION OF SUPPLY TO ANY SS.
POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1sub to load
conditionApproved
233 Madurai 110 KV KADALANGUDI 230 KV
110KV Mayiladuthurai- Thiruvarur feeder
portion between Mayiladuthurai and Peralam
SS.
Line inspection and rectification work No interruption to any SS. 110KV Perambur and Peralam SS proposed to shutdown. POSSIBLE Thu, 06-Apr-2017 10:00 Thu, 06-Apr-2017 16:00 1sub to s/d of
neelakudi
Subject to Total
shutdown
234 Erode 230 KVPALLAKAPALAYAM 230
KVAuto Transformer -I-HV and LV side Monthly Maintenance Auto Transformer -II- manage the Load possible Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1
subject to the
other auto tr
loading limit
Approved
235 Madurai 230 KV PASUMALAI 230 KV100 MVA AUTO - II, HVB - II, LVB - II, CT
only.
1)Monthly Maintenance Works 2)Attending to Oil
leak in the Auto.
1)Auto Transformer -1 will be in Service. 2)110KV Pasumalai - Sembatty feeder will be
kept radial from Sembatty end. 3)110/33-11KV Arasaradi SS and 110KV Pasumalai SS
will be under Shutdown Relief - 62 MW. 4)110KV Pasumalai - Alagarkoil -2 Feeder will be
kept radial from other end.
POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 14:00 1sub to load
condiitonApproved
236 Madurai 230 KVRENGANATHAPURAM
230 KV
1)230/110KV Auto Transformer-I
(100MVA)HV,LV Breaker & CT's2)110KV
RNPM - UDPT # Br, CT's
1) & 2) monthly maintenance works
1) During LC period 230/110KV Auto Transformer - II(100MVA)will be in service and cater
station load.2) 110KV RNPM - UDPT # radial from UDPT End.3) 110KV RNPM - SBT - I
# radial from SBT End.4) 110KV RNPM SS and 110KV Chinnakkampatty SS avail total
shutdown. hence no interruption to any SS
POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 16:00 1
sub to load
condiiton and
concurrance from
udmpt
Approved
237 Erode 400 KV MTPSII 400KV KARAMADAI-I FEEDERMONTHLY MAINTENANCE WORKS AS
APPROVED BY OCC
UNIT IN SERVICE. 400KV FEEDERS KARAMADAI-II AND PALAVADI -I&II AND ICT -I&II
ARE IN SERVICE. ALL 230KV FEEDERS MTPS-I,GOBI,MALCO AND STANDBY
TRANSFORMER EXCEPT THINGALUR ARE IN SERVICE.
possible Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1
occ approved and
subject to the load
condition
Approved
238 Erode 230 KVPALLAKAPALAYAM 230
KV
Auto Transformer -I-HV and LV side.Its entire
Transformer ,LAS,CT'S,Breakers &jumpers
and Switches
Monthly Maintenance Auto Transformer -II- manage the Load possible Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1 0 Approved
239 Madurai 230 KV UDAYATHUR 230 KV 230/33kv Power Tr1, HV and LV breaker Monthly maintenance work During the LC period the Power Tr1 loads will be transferred to other Power Trs. POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 14:00 1 sub to wind gen Approved
240 Madurai 230 KV TRICHY 230 KV230 KV TRICHY - ALUNDUR II Feeder
breaker, CTs, Line Isolator and line entire.0
During the LC period, a) other end also availing LC on the same feeder. b) All other
230KV feeders will be in tied condition. c) Hence there will be no interruption of supply to
any of the feeder and SS.
POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1sub to load
condiitonApproved
241 Erode 110 KV KUNDAH PH6110 KV KPH 6- S'NALLAH # BREAKER @
KPH6 endANNUAL RELAY TESTING WORK FEEDER WILL BE KEPT RADIAL FROM OTHER END possible Thu, 06-Apr-2017 10:00 Thu, 06-Apr-2017 17:00 1
subject to the load
condition existingApproved
242 Erode
GENERATI
NG
STATIONS
METTUR DPH MACHINE 1 MONTHLY MAINTENANCE WORKSTHE PWD DEMAND WILL BE MEET OUT BY OTHER STANDBY MACHINES AT DAM
POWER HOUSE.possible Thu, 06-Apr-2017 7:00 Thu, 06-Apr-2017 15:00 1 0 Approved
243 Madurai 230 KV THIRUVARUR 230 KV 230KV PPN - Thanjavur FeederLine Premansoon Inspection & Rectification work
and PPN Plant side Relay Testing work.
During the LC period all other 230KV Feeders are in tied condition. Hence there will be no
interruption of supply to any other substation.POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1
Sub to PPN-TVR
in tied conditionApproved
244 Erode 110 KVOTHAKKAL MANDABAM
230 KV
110 KV OKM-Udumalpet I Feeder (Breaker,
CT's & Line switch)for monthly maintenance works.
During the LC period, 110KV OKM-Udumalpet I feeder will be kept radial from 110KV
Udumalpet SS. Hence, No SS will be affected.possible Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 14:00 1
subject to the
feeder being kept
radial from udpt ss
Approved
245 Chennai 230 KV TONDIARPET 230 KV 100 MVA AUTO TRANSFORMER-III FOR ROUTINE MAINTENANCE WORKSDURING THE PERIOD OF SHUTDOWN , EXCEPT 100 MVA AUTO TRANSFORMER-III
ALL OTHER FEEDERS AND EQUIPMENTS WILL BE IN SERVICE.Possible Thu, 06-Apr-2017 09:00 Thu, 06-Apr-2017 13:00 1 0 Approved
246 Madurai 230 KV EACHANGADU 230 KV50 MVA Auto Transformer-1, HV-1 and LV1-1
Breakers, CTs and LASMONTHLY MAINTENANCE WORK.
During the above shutdown period, the Eachangadu 230 KV S.S Loads will be fed from
Auto Transformer-II (50MVA).loads will be with in one Auto Transformer capacity since
110 KV Viruthachalam SS Loads are already transferred to 110 KV Neyveli- deviakurichi
feeder.
POSSIBLE Thu, 06-Apr-2017 10:00 Thu, 06-Apr-2017 17:00 1sub to load
conditionApproved
247 Madurai 110 KV SEMBATTY 230 KV 110KV SBT - Dindigul # Bkr, CTs and relays1. Monthly maintenance work2. Annual relay testing
work
During the LC period, Dindigul and railway traction SS loads will be transferred to
Alagarkovil - II feeder. Hence no interruption to any SS.POSSIBLE Thu, 06-Apr-2017 10:00 Thu, 06-Apr-2017 17:00 1 0 Approved
248 Erode 230 KV Udumalpet 400 KV230 KV MYVADI - PONNAPURAM - II
FEEDER BREAKER, CT AND LINE ENTIREMONTHLY MAINTENANCE WORK BOTH END AVAIL LC possible Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1
subject to the load
condition existingApproved
249 Chennai 230 KV Thiruvalam 400 KV 230KV S.P.Koil Feeder Maintenance & GRT Periodical relay test 230KV S.P.Koil Feeder kept off condition at both end. Possible Thu, 06-Apr-2017 09:00 Thu, 06-Apr-2017 17:00 1 0 Approved
250 Erode 110 KV THINGALUR 230 KV110KV Ingur feeder Breaker, CTs and line
Isolator.Monthly Maintenance 110KV Kunnathur SS availing total shutdown. The Feeder willbe Backcharged. possible Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 14:00 1
subject to
kunnathur ss
availing tsd
Approved
251 Madurai 230 KV KADALANGUDI 230 KV 230KV PPN- Thanjavur feeder entire1)Line inspection and rectification work 2)Relay
testing work at Plant end.
No interruption to any SS. All other feeders will be in tied condition. PPN plant is under
shutdown condition.POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1
Sub to PPN-TVR
in tied conditionApproved
252 Erode 230 KV COIMBATORE 230 KV
1.Auto Transformer II(HV & LV Breakers,
CTs and LAS)2.110KV Peelamedu feeder
Breaker and CTs3.230KV Thudiyalur feeder
Breaker and CTs
Monthly Maintenance WorksScheduled shutdown at 110/11KV Peelamedu SS and LC proposed at 230KV Thudiyalur
SS on 230KV Thudiyalur to Coimbatore feeder.possible Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 16:00 1
subject to tsd
being realizedApproved
253 Erode 110 KV UDUMALPET 230 KV110 KV UDUMALPET LINK II FEEDER
BREAKER AND LINE ENTIREFOR MONTHLY MAINTENANCE WORKS
DURING LC PERIOD THE ABOVE FEEDER LOADS WILL BE CATER IN 110KV UDT
I&III FEEDERS0 Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1 0
Approved Subject to
wind Generation
254 Madurai 400 KV kamuthi 400 KV400KV ABISHEKAPPATTI FEEDER MAIN
BREAKERMONTHLY MAINTENANCE 400KV BUS WILL BE FEED THROUGH TIE BAY POSSIBLE Thu, 06-Apr-2017 10:00 Thu, 06-Apr-2017 17:00 1
App in 129
occ/127Approved
255 Chennai 110 KV ACHRAPAKKAM 230 KV
110KV ACK-SP KOIL I&II FEEDER
BREAKERS AND CT'S WITH LINE SIDE
ISOLATOR (ONE BY ONE)
TO CARRYOUT MONTHLY MAINTENANCE WORK
1.110KV ACK-SPKOIL I FEEDER WILL BE RADIALLY CHARGED FROM OTHER END
UPTO 110KV MADURANTHAGAM SS AND LINE SIDE ISOLATOR OPENED TOWARDS
230KV ACK SS SIDE AT 110KV MADURANTHAGAM SS.2.110KV ACK-SPKOIL II
FEEDER WILL BE RADIALLY CHARGED FROM OTHER END UPTO 110KV VELLORE
SS AND LINE SIDE ISOLATOR OPENED TOWARDS 230KV ACK SS SIDE AT 110KV
VELLORE SS.3.HENCE NO INTERUPTION OF POWER SUPPLY.
Possible Thu, 06-Apr-2017 09:00 Thu, 06-Apr-2017 16:00 1 0 Approved
256 Erode 230 KV THUDIALUR 230 KV
i)230KV Coimbatore feeder entire and
ii)110KV PNP feeder section between
Thudiyalur & Kathirnaickenpalayam SS
i)For monthly maintenance works, ii)Making initial
arrangements for erection of gantry tower for the
new 110KV Kathirnaickenpalayam bay at 230KV
Thudiyalur SS.
i)230KV OKM,PH4 & Karamadai feeders will be in service, ii) 110KV PNP SS will be fed
through 110KV Pykara feeder & 110KV Maddampalayam SS will be fed from 230KV
Karamadai SS.
possible Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1subject to the load
condition existingApproved
257 Erode 110 KV Udumalpet 110 KVline between UDT and Kongalnagaram SS
Monthly Maintenance workDuring LC period there is no SS will be affected since there is inter connected SS fed from
other end.possible Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1
subject to the
other link feeders
loading limit
Approved
258 Chennai 230 KVSunguvarchatram 400
KV230KV SVC - Oragadam # entire for monthly maintenance work During the LC period the 230KV SVC - Oragadam # will be out of service Possible Thu, 06-Apr-2017 09:00 Thu, 06-Apr-2017 17:00 1 0 Approved
259 Chennai 230 KV Orgadam 230KV SVC - Oragadam # entire for monthly maintenance work During the LC period the 230KV SVC - Oragadam # will be out of service Possible Thu, 06-Apr-2017 09:00 Thu, 06-Apr-2017 17:00 1 0 Approved
260 Erode 230 KV PONNAPURAM 230 KV230 KV Ponnapuram - Myvadi II # Breaker,
CTs & Line entire
For annual relay test by P&C WING/UDT &
MONTHLY MAINTENANCE WORK
1. OTHER END SS WILL ALSO AVAIL LC ON 06.04.20172. 230KV GRID #, HENCE NO
SS WILL BE AFFECTEDpossible Thu, 06-Apr-2017 10:00 Thu, 06-Apr-2017 17:00 1
subject to the load
condition existingApproved
261 Erode 230 KV SANKANERI 230 KV230KV Kayathar feeder Breaker CTs&
Lineswitches.For monthly maintenance purpose During the LC period thre will be no supply in the Entire feeder. POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 14:00 1 0 Approved
262 Chennai 230 KV
SPR
SIPCOT(MAMBAKKAM)
230 KV
Breaker, Current Transformers & Line side
isolator only.
For monthly maintenance works.
During the period of shutdown the entire load of 230KV SIPCOT Mambakkam SS
[Approximately: 45MW] will be fed from 400KV SV.Chatram SS through 230KV SIPCOT-
SV.Chatram feeder without interruption.
Possible Thu, 06-Apr-2017 10:00 Thu, 06-Apr-2017 17:00 1 0 Approved
263 Erode 110 KV SINGARAPET 230 KV110 KV SSREL # Breaker, CTs & line
isolators
To carry monthly maintenance work by
AEE/MTC/230 KV SS / SPT
During the LC period 1. Singarapet end breaker alreay in Handtrip condition2. By availing
blink between 110 KV Singarapet - SSREL feeder line isolators towards Singarapet at 110
KV Uthangarai SS will be opened. 3. 110 KV Uthangarai SS loads already fed by
Karimangalam 230KV SS
possible Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 15:00 1 already kept open Approved
264 Erode 230 KV ARASUR 230 KV230 KV Arasur - Kundaha PH-II feeder
Br,CTs and line side Isolator
For Erection and commissioning of New Numerical
Distance protection relay by P & C wing/Thudialur.During the Line Clear period,Remaining five numbers 230 KV Feeders will be in service. possible Thu, 06-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 2
subject to the load
condition existingApproved
265 Erode 230 KV ARASUR 230 KV230/110 KV Auto transformer - II, HV-II, LV-
For Monthly maintenance work .During the Line Clear period,1)110 KV Saravanampatty SS under Total Shut down.2)If
necessary 110 KV Karamadai II feeder will be radial from 230 KV Karamadai SS.possible Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 16:00 1
subject to the
other auto trs
loading limit
Approved
266 Madurai 230 KV ALUNDUR 230 KV230KV Alundur -Trichy II feeder breaker,
CT'S, CVT'S and line isolators.
a) Preventive Monthly maintenance work.
b)premonsoon inspection and tree cutting work.
c)Relay Testing work.
During the LC period, a) Other end also avail shutdown. b) All other 230 KV feeders will
be in service. c) There will be no interruption of supply to any other feeders.POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1
sub to load
condiitonApproved
267 Erode 110 KV Singarapet 110 KV 110 KV METTUR # I SF6 Bkr & CTs. Monthly maintenance workDuring the LC period both ends Maintenance work programmed and hence no interruption
of supply0 Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 15:00 1 repeat of 53377 Not considered
268 Erode 110 KV Singarapet 110 KV110 KV METTUR # I SF6 Bkr & CTs with Line
isolatorsMonthly maintenance work
During the LC period1. At loc.180 line isolator towards Singarapet will be kept opened
condition2. 110KV Bommidi railway traction load will be transferred to 110KV Mettur II
feeder
postponed Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 15:00 1to tie mettur
feeder 2 first
Subject to
EE/SLDC/Erode
approval
269 Madurai 400 KV kayathar230kv400KV Tie Breaker for Karaikudi and
Kamudhi feeder (408-52)Monthly Maintenance work
During the LC period there will be no supply in 400KV Tie Breaker for Karaikudi and
Kamudhi feeder (408-52) only. hence no substation affected.POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1
App in 129
occ/128Approved
270 Chennai 230 KV MANALI 230 KV Auto Transformer-3
a.For replacement of damaged fixed jaw contacts in
110kv Bus switch in 110kv LV Bay and removal of
hotline jumper
a.110kv Panjetty feeder 110 kv Metrowater and 110kv Korattur feeder loads will be
transferred to other endsPossible Thu, 06-Apr-2017 10:00 Thu, 06-Apr-2017 17:00 1 0 Approved
271 Erode 230 KV KARAMADAI 230 KV1.400KV MTPS stage III #1 main and tie
breakers and its CTs and CVTsFor maintenance works Other 400KV feeders will be in service possible Thu, 06-Apr-2017 10:00 Thu, 06-Apr-2017 17:00 1
occ approved and
subject to the load
condition
Approved
272 Erode 110 KV METTUR AUTO 230 KV 110KV MALCO I FEEDER MONTHLY MAINTENANCE WORK DURING THE LC PERIOD 110KV MALCO II&III FEEDERS WILL BE IN SERVICE possible Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1other two feeders
will be in serviceApproved
273 Madurai 230 KV THANJAVUR 230 KV230 KV Thanjavur - PPN feeder, Breaker, CT,
CVT.
1) The Shift In-Charge/PPN Plant (Er.C.Jayakumar)
has requested LC for annual relay testing in this
feeder at PPN Plant end,2) For monthly
maintenance works by the AEE/Mtce/Thanjavur,3)
For carrying out premonsoon inspection works by
the AEE/Lines/Thanjavur.
During the LC period,1) all other 230 KV feeders will be in tied condition,2) no supply
interruption to any SS.POSSIBLE Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1
Sub to PPN-TVR
in tied conditionApproved
274 Chennai 110 KV ATHIPET 230 KV 110KV CCTL feederFor Routine maintenance work and Annual Relay
Test work1. There will be no supply to M/s CCTL EHTSC.2. All other feeders will be in service Possible Thu, 06-Apr-2017 11:00 Thu, 06-Apr-2017 17:00 1
Subject to
concurrence from
M/s CCTL EHTSC
Approved
275 Erode 110 KV Sandinallah 110 KV 110kv sandinallah-pykara feeder annunal relay testing worka) during the lc period the above feeder fed radially from other endb) No ss will be
affected.postponed Thu, 06-Apr-2017 10:00 Thu, 06-Apr-2017 17:00 1
kph 6 to
sandynallah
feeder lc
recommended
Subject to
EE/SLDC/Erode
approval
276 Erode 110 KV A.Thekkur 110 KV 110kv sandinallah-power house 5 Feeder Annunal relay testing worka) During the LC period the above feeder fed Radially from other endb) No SS will be
affected.0 Thu, 06-Apr-2017 10:00 Thu, 06-Apr-2017 17:00 1 repeat of 53604 Not considered
277 Erode 230 KV KUNDAH PH2230KV KPH2- ARASUR FEEDER SF6
BREAKER AND ITS ACCESSIORIESFOR MONTHLY MAINTENANCE WORK SF6 BREAKER OFF IN CONDITION TOP AND BOTTOM BUS OPEN IN CONDITION Possible Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1 0 Approved
278 Erode 110 KV KARAMADAI 230 KV 110KV Pykara-Bhavani Barrage 1 feederPMI works in between Loc.30 and 79 by
AE/Lines/KattabettuLC programmed at both end. possible Thu, 06-Apr-2017 9:00 Thu, 06-Apr-2017 17:00 1
subject to bb 1
concurrenceApproved
279 Chennai 230 KVTHIRUVANNAMALAI 230
KV
230 KV Tiruvannamalai - Neyveli #, Breake,
CT's and Line IsolatorMonthly maintenance work
During the period of L/C time,1. 230 KV T.V.Malai - Neyveli # will be OFF condition at
both ends.2. Other 2 Nos 230 KV T.V.Malai - Singarapet & Villupuram feeders will be in
service. Hence there is no interruption of supply please.
Possible Thu, 06-Apr-2017 09:00 Thu, 06-Apr-2017 15:00 1 0 Approved
280 Chennai 230 KV CUDDALORE 230 KV For monthly maintenance worksDurind the period of LC 230 KV BUS A will be in service.Hence NO Interruption of
SupplyConcurrence obtained from SE/O/VillupuramPossible Thu, 06-Apr-2017 09:00 Thu, 06-Apr-2017 17:00 1 0 Approved
281 Chennai 230 KVTHIRUVALAM 230 KV
& SPKoilFor replacement of defective disc at Location 124.
feeders 230KV Link I, Link II, Singarapet feeders are in service.Hence there will be no
interruption of supply please.
Possible Thu, 06-Apr-2017 09:00 Thu, 06-Apr-2017 14:00 1 0 Approved
282 Chennai 110 KV MOSUR 230 KV110 KV Pallur Feeder Breaker ,CTs and Line
IsolatorsFor attending Monthly Maintenance work
i. 110 KV Pallur SS (16 MW) will be availed total shut down. ii. 110 KV Takkolam
SS(10MW) ) will be availed total shut down.iii. 110KV Punnai SS (8MW) will be availed
total shut down.iv. Hence there will be no interruption of supply
Possible Thu, 06-Apr-2017 09:00 Thu, 06-Apr-2017 14:00 1 0 Approved
283 Chennai 230 KV MOSUR 230 KV
230/110KV Auto Transformer No-II, 230KV
only
For attending Monthly maintenance worki) 110 Pallur, Takkolam, Punnai SS are availing Total Shutdown ii) 230/110 KV Auto
transformer I,III & IV are in service iii) Hence there will be no interruption of supply please.Possible Thu, 06-Apr-2017 09:00 Thu, 06-Apr-2017 17:00 1 0 Approved
284 Chennai 110 KV VILLUPURAM 230 KV110 KV Villupuram-Acharapakkam-I #
(Breaker, CTs and line side isolator only).For monthly maintenance works.
For jumpers tightening work in the line between Villupuram &Chendur. 110KVChendur SS
availing Total shutdown and Elamangalam SS will be kept radial from Acharapakkam
230KV SS
Possible Thu, 06-Apr-2017 09:00 Thu, 06-Apr-2017 17:00 1 0 Approved
285 Erode 230 KV Udumalpet 400 KV230 KV MYVADI - PONNAPURAM - I
FEEDER BREAKER, CT AND LINE ENTIREMONTHLY MAINTENANCE WORK BOTH END AVAIL LC postponed Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
230 kv okm to
anaikadavu lc
recommended
Approved Subject to
wind Generation
286 Erode 230 KV PONNAPURAM 230 KV230 KV Ponnapuram - Myvadi I # Breaker,
CTs & Line entire
For annual relay test by P&C WING /UDT &
MONTHLY MAINTENANCE WORK
1. OTHER END SS WILL ALSO AVAIL LC ON 05.04.20172. 230KV GRID #, HENCE NO
SS WILL BE AFFECTED.postponed Fri, 07-Apr-2017 10:00 Fri, 07-Apr-2017 17:00 1
230 kv okm to
anaikadavu lc
recommended
Approved Subject to
wind Generation
287 Chennai 230 KV ECHUR 230 KV Auto Transformer I & II Auto Transformers I
& II (One by one) Monthly Maintenance Work
Auto transformer I & II - at time of LC Auto Tr I in off condition and Auto II in service
condition after completion of work Auto Tr II in off condition and Auto I in service
condition.(One by One) Hence No interruption of supply any of the substation of the
above mentioned time period.
Pending Fri, 07-Apr-2017 09:00 Fri, 07-Apr-2017 17:00 3 0 Approved
288 Madurai 110 kV PAPANASAM110Kv Papanasam-O.T Patti# Breaker with
CTFor carry out monthly maintenance work
Present PWd Demand is 200C/S.During the LC period, the 110KV ppm-otpatti feeder will
be radial from other end. 110kv ppm-kytr#will be in service. Hence no ss will be affected
please.
POSSIBLE Fri, 07-Apr-2017 10:00 Fri, 07-Apr-2017 12:00 1sub to ppm pwd
demandApproved
289 Erode 230 KV MTPS MTPS-I to Salem 400KV SS-I Monthly maintenance Programmed LC possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
subject to the
other feeder
loading limit
Approved
290 Madurai 110 KV Kodikurichy230kv 110 KV Veerasigamani # II, Breaker with C.T Monthly maintenance work110 KV Veerasigamani WF SS will be fed from 110 KV Kodikurichi- Veerasigamani# I by
closing of AB Switch towards Veerasigamani at Echantha SS.POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1 0 Approved
291 Madurai 110 KV Kodikurichy230kv 110 KV Veerasigamani # II, Breaker with C.T Monthly maintenance work110 KV Veerasigamani WF SS will be fed from 110 KV Kodikurichi- Veerasigamani# I by
closing of AB Switch towards Veerasigamani at Echantha SS.0 Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1 repeat Repeat
292 Madurai 110 KV KAYATHAR 230 KVOn 110 KV Kayathar - Gangaikondan feeder
Section between Kayathar to Gangaikondan.
a) For monthly maintenance work. b) Tower to
Tower Inspection Work.
During the LC period, Gangaikondan SS will be radially fed from Thalayathu end. Hence
no SS affectedPOSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1 0 Approved
293 Erode 110 KV THINGALUR 230 KV110KV ERODE 1 feeder Breaker,CTs and
Line IsolatorsMonthly Maintenance Works Other end also availing LC. possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
subject to the load
condition existingApproved
294 Erode 110 KV Erode 110 KV110 KV ERODE - TINGALORE I FEEDER
BREAKER AND CTMONTHLY MAINTENANCE WORK
DURING LC PERIOD NO SS WILL BE AFFECTED.NECESSARY CONCURRENCE
OBTAINED FROM SE/EEDC/ERODE.possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 14:00 1
subject to the load
condition existingApproved
295 Erode 110 KV ANTHIYUR 230 KV 110KV Bus coupler breaker and CT only.For monthly maintenance of 110KV Bus coupler
breaker and CT
During the LC period Auto Transformer-I and 110KV feeders Mettur,Barrage PH-III &
Anthiyur feeder will be in 110KV Bus-I.During the LC period Auto Transformer-II and
110KV feeders Thalavaipettai & Gobi feeder feeder will be in 110KV Bus-II.
possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 15:00 1subject to division
of loads onlyApproved
296 Madurai 230 KV PASUMALAI 230 KV230 KV Pasumalai - Checkanurani # - I , BKR
& CT,LI onlya)Maintenance Works of BKR & CT,LI EE / O / CKNI has also programmed POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 14:00 1 0 Approved
297 Madurai 110 KV PASUMALAI 230 KV
1)110 KV Pasumalai - Sembatty # BKR &
CT,LI only. 2)Section between Pasumalai and
Achampathu
Maintenance Works of BKR,CT and LI.
1) The Feeder will be kept radial from Other end upto Achampathu SS. 2)110KV AB
Switch towards Pasumalai at Achampathu SS and towards Achampathu at Pasumalai SS
will be under open condition. 3) In case of the LC applied in Sl.No 9 for TLC works is not
approved then this LC may be considered for approval.
0 Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 14:00 1 Wrong entry Not considered
298 Madurai 110 KV PERIYAR
110 KV PERIYAR-THENI 2 FEEDER
BREAKER WITH CT AND LINE SIDE AB
SWITCHES, SECTION BETWEEN PYR-PH
TO CUMBUM SS
ANNUAL MAINTENANCE WORK
DURING THE LC PERIOD 110KV PYR-THENI 2 FEEDER RADIAL FROM THENI SS TO
CUMBUM SS.AT CUMBUM SS TOWARDS PERIYAR POWER HOUSE AB SWITCHES
KEPT OPEN.HENCE NO SS WILL BE AFFECTED.
POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 13:00 1sub to load
condiitonApproved
299 Madurai 230 KV SRPUDUR 230 KVOn 100 MVA Auto Tr I, LV I, HV I breaker &
CT only.OLTC oil changing work. During the LC period Auto Tr II & III will be in service. POSSIBLE Fri, 07-Apr-2017 10:00 Fri, 07-Apr-2017 15:00 1 0 Approved
300 Madurai 230 KV TTPS 230KV TTPS- SIPCOT FEEDER For maintenance work and MRT testing1) Both end breakers to be tripped2) Both end Bus and Line isolators to be opened3) Both
end Earth switches to be closed conditionPOSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
sub to load
condiiton and
TTPS gen
Approved
301 Madurai 230 KV AMUTHAPURAM 230 KV
Amuthapuran 230KV Bus section-1
consisting of CKNI-1 #,N.M.PATTY-2 # and
P.Tr-1
Routine Maintenance Work
1) During the LC period there will be NO supply in 230KV CKNI #,N.M.PATTY # and P.Tr-
1. 2) P.Tr-1 fed from 230KV KODI-1 # and KODI-2 #. 3) 230KV CKNI #,N.M.PATTY #
Radial from other end. 4) 33KV feeders in respect of P.Tr-1 to be tied with P.Tr-2.Hence
NO Wind generation affected. 5) Hence NO SS will be affected. 6) Cocurrence obtained
from SE/NCES/TIN.
POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
sub to wind gen
and 230 CKNI-
NLMPT# in tied
condition.
Approved
302 Erode 230 KV GOBI 230 KV CAPACITOR BANK II BREAKER AND CT'S
FOR ANNUAL RELAY TESTING WORK BT
P&C/GOBI AND FOR MONTHLY MAINTENANCE
WORK
CAPACITOR BANK I IS IN SERVICE AND SUBJECT TO THE VOLTAGE CONDITION approved Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
subject to the
voltage profile in
the grid
Approved
303 Chennai 230 KV KORATTUR 230 KV50MVA 110/33KV POWER TRANSFORMER -
IGeneral Maintenance Work 50MVA 110/33KV POWER TRANSFORMER - II
CBD
concurrenceFri, 07-Apr-2017 09:00 Fri, 07-Apr-2017 17:00 1 0
Subject to SE/O
concurrence
304 Chennai 230 KV Kadapperi Auto Transformer 1 Monthly Maintenance Work Possible Fri, 07-Apr-2017 09:00 Fri, 07-Apr-2017 17:00 1possible with CBD
concurrenceApproved
305 Chennai 230 KV Kadapperi 110 kVTharamani - Velacherry# Insulator Replacement work Possible Fri, 07-Apr-2017 09:00 Fri, 07-Apr-2017 17:00 1possible with CBD
concurrenceApproved
306 Chennai 230 KV Kadapperi 230 KV Kalivanthapattu feeder Jumper checking at loc.45 Possible Fri, 07-Apr-2017 09:00 Fri, 07-Apr-2017 17:00 1possible with CBD
concurrenceApproved
307 Erode 230 KV Salem 400 KV230 KV MTPS I # - Its CTs, BREAKER, BUS
& LINE SWITCHESBoth end Monthly Maintenance Work Both end Monthly Maintenance Work possible Fri, 07-Apr-2017 8:00 Fri, 07-Apr-2017 14:00 1
subject to the
other feeder
loading limit
Approved
308 Madurai 230 KVCHECKANURANI SW
STATION 230 KV230Kv CKNI-Pasumalai-I feeder Entire
For Monthly maintenance works and Line
Maintenance worksDuring the LC period, there will be no supply in the entire feeder POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1 0 Approved
309 Madurai 230 KV VALUTHUR 230 KV Auto Transformer I
For attending Auto transformer I HV and LV breakers
and it's CT's and isolators Monthly maintenance
work.
During the LC period Auto Transformer II & III will be in service. Hence there is 'no'
interruption in power evacuation.POSSIBLE Fri, 07-Apr-2017 10:00 Fri, 07-Apr-2017 17:00 1
sub to load
conditionApproved
310 Madurai 110 KV KAVANOOR 230 KV
A) 110 KV KAVANOOR-MANAMADURAI-
SIVAGANGA # BR. & CT B) 110 KV
KAVANOOR-MMDU-SVGA # SEC. BET.
KAVANOOR & MANAMADURAI
MONTHLY MAINTENANCE WORKS AND LINE
MAINTENANCE WORKS
FEEDER TO BE KEPT RADIAL FROM SIVAGANGA TO MANAMADURAI;
MANAMADURAI, ARASANUR AND NELMUDIKARAI SS UNDER TOTAL SHUTDOWN;
L.R. 21.9 MW
POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1Sub to KKDI Auto
Loading.Approved
311 Erode 230 KVPUDHANCHANTHAI 230
KV
Auto-I, HV & LV CBs, CTs, LASs and 230KV
Switches.For regular maintenance works.
During LC period110KV Namakkal SS availing Total Shut Down.110KV Elanagar SS now
back fed throuh 110KV PSI-Rasipuram feeder will be transferred to 230KV Unjanai
SS.110KV Rasipuram SS will be transferred to 110KV Salem-Malllur feeder.Other 110KV
feeders will be catered through Auto-II in service.No supply interruption.
possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
subject to the tsd
relief being
realized
Approved
312 Madurai 110 KV KADALANGUDI 230 KV 110KV Mayiladuthurai- KGTPS feeder entire Line inspection and rectification work No interruption to any SS. All other feeders will be in tied condition. POSSIBLE Fri, 07-Apr-2017 10:00 Fri, 07-Apr-2017 16:00 1 0 Approved
313 Madurai 110 KV PASUMALAI 230 KV
1)110 KV Pasumalai - Sembatty # BKR &
CT,LI only. 2)Section between Pasumalai and
Achampathu
Maintenance Works of BKR,CT and LI.
1) The Feeder will be kept radial from Other end upto Achampathu SS. 2)110KV AB
Switch towards Pasumalai at Achampathu SS and towards Achampathu at Pasumalai SS
will be under open condition.
POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 14:00 1 0 Approved
314 Madurai 110 KVRENGANATHAPURAM
230 KV
1)110KV RNPM - Kovilur # Br,CT's & Line
switch's2)110KV RNPM - Kovilur # section
between RNPM and Kovilur SS
1)Monthly Maintenance works2)Tree cutting worksDuring LC period 110KV RNPM - Kovilur # No supply in the feeder.110KV Kovilur
SS,33KV Chatrapatty SS and 33KV Vallipatty SS avail total Shutdown.POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 16:00 1
sub to load
condition and toal
s/d
Approved
315 Madurai 110 KV KUTTALAM
110 KV KGTPS-MAYILADUTHURAI FEEDER
BREAKER WITH ENTIRE LINE AT BOTH
END.
110 KV KGTPS-MAYILADUTHURAI FEEDER
ANNUAL RELAY TESTING WORKS BY
AEE/P&C/THIRUVARUR AT BOTH END.BREAKER
TESTING AND OTHER MAINTENANCE WORKS IN
ISOLATORS AT KGTPS END.
During the LC period there is no interruption of supply to any ss. POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1 0 Approved
316 Madurai 230 KV UDAYATHUR 230 KV 230/33kv Power TR 2 HV & LV Breaker Monthly Maintenance Work During the LC period the Power Tr 2 loads will be transferred to other Power Trs. POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 14:00 1 sub to wind gen Approved
317 Madurai 230 KV TRICHY 230 KV1. 230KV Trichy - Perambalur feeder Breaker
, CTs, Line Isolator and line entire.0
During the L.C period, 1) other end also availing L.C on the same Feeder. 2) All other
230KV feeders will be in tied condition. 3) There will be no interruption of supply to any of
the feeder and SS.
POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
sub to load
condition and
Alandur ICT
Loading
Approved
318 Madurai 230 KV THIRUVARUR 230 KV 230KV Main Bus - I 230KV Main Bus-I maintenance workDuring the LC period 230KV Main Bus-II will be in service. Hence there will be no
interruption of supply to any other substations.POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1 0 Approved
319 Erode 230 KVOTHAKKAL MANDABAM
230 KV
230 KV OKM-Myvadi Feeder Entire (Breaker,
CT's, 89M1, 89M2 & 89L Isolators)for monthly maintenance works. During the LC period, the other 230 KV feeders are in service to cater the SS loads. possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
subject to the load
condition existingApproved
320 Madurai 110 KV SEMBATTY 230 KV110KV SBT - Alagarkovil II # Bkr, CTs and
sec. bet. SBT and Kosavapatti SS1. Monthly maintenance work2. Tree cutting work
During the LC period, the feeder will be radial from other end upto Kosavapatti SS. Hence
no interruption to any SS.POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
sub to load
conditon and alkl
auto loading
Approved
321 Madurai 230 KV SEMBATTY 230 KV230/110KV Auto II, HV II and LV II Bke and
CTsMonthly maintenance work
During the LC period Auto I and III will be in service and adequate to feed the station
load.POSSIBLE Fri, 07-Apr-2017 10:00 Fri, 07-Apr-2017 17:00 1
sub to load
conditonApproved
322 Erode 230 KV Udumalpet 400 KV230 KV MYVADI - OTHAKALMANDABAM
FEEDER BREAKER, CT AND LINE ENTIREMONTHLY MAINTENANCE WORK BOTH END AVAIL LC possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
subject to the load
condition existingApproved
323 Erode 110 KV DEVIAKURICHI 230 KV 110 KV Thirukovilur Feeder Breaker and CTs. For Monthly Maintenance work 110 KV Thirukovilur feeder will be kept radial from Villupuram 230KV SS end. possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
subject to sldc
chennai
concurrence
Approved
324 Chennai 230 KV ARNI 230 KV 230KV Tie Breaker(Bus Coupler) For monthly maintenance work.During the period of LC, the other 5 No's 230KV feeders and 3 No's Auto-Transformer will
be in service.Hence no interruption of supply please.Possible Fri, 07-Apr-2017 09:00 Fri, 07-Apr-2017 14:00 1 0 Approved
325 Madurai 230 KVTUTICORIN -SIPCOT
230 KV
On 230 KV SIPCOT-TTPS Feeder breaker
with CTs and line isolators only.
a) For monthly maintenance work. b) Changing of
Main-II Distance Relay During the L.C period, no SS will be affected . POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
sub to load
condiiton and
TTPS gen
Approved
326 Erode 110 KV COIMBATORE 230 KV 110KV Arasur feeder Breaker and CTs only For Monthly Maintenance Works
1.Scheduled Shutdown at 110/11KV Kallimadai SS on 07.04.20172.110KV CBE-Arasur
Feeder loads(KPR Mill EHT Service, Sulur Traction EHT Service and 110KV Irugur SS)
will be transferred to 230KV Arasur SS.
possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 14:00 1
subject to the
feeder being kept
radial from arasur
ss
Approved
327 Erode 110 KV UDUMALPET 230 KV110 KV UDUMALPET LINK I FEEDER
BREAKER AND LINE ENTIREFOR MONTHLY MAINTENANCE WORKS
DURING LC PERIOD THE ABOVE FEEDER LOADS WILL BE CATER IN 110KV UDT
II&III FEEDERS.possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
subject to the
other two link
feeders loading
limit
Approved
328 Erode 110 KV THUDIALUR 230 KV110KV P.N.Palayam feeder section between
Thudiyalur and Kathirnaickenpalayam SS
Erection of gantry for the new 110KV
Kathirnaickenpalayam feeder110KV P.N.Palayam SS & Thudiyalur local (110/22KV SS) will be under Total shutdown possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
subject to the tsd
being availedApproved
329 Erode 230 KV METTUR AUTO 230 KV230 kv MTPS 1-Salem 400 KVSS I
(K.R.Thoppur feeder I bay
jumbercone tightness checking at MTPS
1,K.R.Thoppur feeder I bayProgrammed LC at MTPS 1 on 07.04.17 possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 14:00 1
subject to the
other feeder
loading limit
Approved
330 Erode 110 KV Udumalpet 110 KVEntire line
Monthly Maintenance workDuring LC period there is no SS will be affected since there is inter connected SS fed from
other end.possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
subject to the
other two link
feeders loading
limit
Approved
331 Erode 230 KVSADAYAMPALAYAM 230
KV230 KV Bus coupler breaker & Isolators Annual relay testing work by P&C Palladam. During the LC period no SS will be affected. possible Fri, 07-Apr-2017 10:00 Fri, 07-Apr-2017 17:00 1
subject to nces
concurrenceApproved
332 Erode 230 KV SINGARAPET 230 KV 230 KV Salem # Breaker, CTs & line isolatorsTo carry monthly maintenance work by
AEE/MTC/230 KV SS / SPT
During the LC period both ends Maintenance work programmed and hence no interruption
of supplypossible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 15:00 1
subject to the load
condition existingApproved
333 Erode 230 KV SANKANERI 230 KV110KV Sankaneri-Melakallur feeder Breaker
CTS&Lineswitches.For monthly maintenance purpose only.
During the LC Period 110KV Melakallur Supply Radialy upto 110KV VadakkanKulamSS.
Hence no SS will be affaected.POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 14:00 1 0 Approved
334 Madurai 230 KV SAMAYAPURAM 230 KV100 MVA Auto Transformer-I, HV-I, LV-I,
Breakers , CT's, and isolatorsMonthly Maintenance Work
During the above Shutdown Period 100 MVA Auto Transformer II will be in service. No
interruption to any other SSPOSSIBLE Fri, 07-Apr-2017 10:00 Fri, 07-Apr-2017 17:00 1
sub to load
conditionApproved
335 Erode 110 KV ARASUR 230 KV
110 KV Arasur - Karamadai II feeder( section
between 110 KV Neelambur SS and 110 KV
Kalapatty SS )
For PMI works.
During the Line Clear period,1)110 KV Kalapatty SS and will be fed from 230 KV
Karamadai SS 2)110 KV Neelambur SS will be fed from 230 KV Arasur SS 3)No SS will
be affected during the L.C period.
possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 16:00 1
subject to the
bifurcation of the
feeder
Approved
336 Madurai 230 KV SRPUDUR 230 KVOn 100 MVA Auto Tr I, LV I, HV I breaker &
CT only.
a.OLTC oil changing work. B.Annual relay testing
workDuring the LC period Auto Tr II & III will be in service. POSSIBLE Fri, 07-Apr-2017 10:00 Fri, 07-Apr-2017 15:00 1 repeat Approved
337 Erode 110 KV SALEM AUTO 230 KV110KV Singapuram Feeder-I Breakers, CT's
and Line Isolators.Monthly Maintenance work.
1.110KV Singapuram feeder-I will be fed radially from other end. 110KV Kitchipalayam
SS will be availing total shutdown. There will be no interruption to any SS or feeder.possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
subject to
kitchipalayam ss
availing tsd
Approved
338 Erode 230 KV SALEM AUTO 230 KV
230KV Singarapet feeder & 110KV Capacitor
Bank-I,II Breaker, CTs, Line isolator and
Capacitor.
Monthly maintenance work.
1.230KV Singarapet feeder LC will be availed at both end. 2.3Nos 230KV feeders will be
in service. 3.110KV Capacitor Bank-I and II will be in hand trip condition. 4.There will be
no interruption to any SS or feeder.
possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1subject to the load
condition existingApproved
339 Erode 110 KV INGUR 230 KV 110KV Capacitor Bank I entire MONTHLY MAINTENANCE WORKS DEPENDING UPON LOAD CONDITION approved Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 14:00 1
subject to the
voltage profile in
the grid
Approved
340 Chennai 110 KV MANALI 230 KV 110kv Tondiarpet feederFor making T-off arrangement in 110kv cable point,
for test charging of 110 kv GIS bus
a.110 kv RK Nagar SS and M/s TPL-II loads will be fed from 230kv TPT SSAfter the
LC110kv GIS bus will be energized from Manali AIS SS end and remain in service along
with 110 kv RK Nagar SS and M/s TPL-II loads
Possible Fri, 07-Apr-2017 10:00 Fri, 07-Apr-2017 17:00 1 0 Cancelled
341 Erode 110 KV KARAMADAI 230 KV1.110KV Karamadai-Arasur II feeder section
between Kalapatty and NeelamburSSPMI by AE/Lines /Arasur
During LC Period Kalapatty SS will be fed from Karamadai SS and Neelambur SS will be
fed by 230KV Arasur SSpossible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
subject to the
bifurcation of the
feeder
Approved
342 Erode 110 KV SALEM AUTO 230 KV
110KV Salem - Singapuram feeder - I section
between Salem 230KV SS and Udayapataty
110KV SS.
Tension point jumpers checking.
1) 110KV Salem - Singapuram feeder - I breaker kept hand tripped at Salem 230KV SS.2)
110KV Salem - Singapuram feeder - I series switch at Udayaptty 110KV SS towards
Salem will be kept opened.3) There will be no supply in 110KV Salem - Singapuram
feeder - I section between Salem 230KV SS and Udayapataty 110KV SS.4) Udayapatty
110KV SS will be radially fed from Singapuram 230KV SS.5) Kitchipalayam 110KV SS
will be availing Total Shutdown on that day.6) There will be no interruption of supply to
any SS.
possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
subject to
kitchipalayam ss
availing tsd and
udayapatty ss
being fed from
singapuram ss
end
Approved
343 Madurai 110 KVNEMALITHIPIYAKUDI
230 KV
A) 110KV NEMMELI THIPPIYAKUDI-
MADUKKUR FEEDER BREAKER, CT's AND
LINE ISOLATOR. B) 110KV NEMMELI
THIPPIYAKUDI-MADUKKUR FEEDER
A) FOR MONTHLY MAINTENANCE WORK BY
AEE/MTC/N T KUDI.B) FOR PREMONSOON
INSPECTION BY AE/LINES/PATTUKKOTTAI.
1) DURING THE LC PERIOD, 110/33-11KV MADUKKUR SS AND 110KV
THIRUMAKKOTTAI SS RADIALLY FED FROM T(K)GTPS.2) If necessary, 110KV
Kovilkalappal-Madukkur-Pattukkottai tie will be created (by closing the 110KV Pattukkottai
Line isolator no.2 at 110KV Madukkur SS).3) No interruption to any Substation.
POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1 0 Approved
344 Erode 110 KV SALEM AUTO 230 KV
110KV Deviakurichi-Thirukoilur
Feeder(Section Between deviakurichi 230KV
SS - Eaduthuvainatham 110KV SS)
Road & Railway crossing jumpers checking.
1)110KV Deviakurichi-thirukoilur Feeder breaker & CT's Maintenance availing
Deviakurichi SS. 2)110KV Deviakurichi-thirukoilur Feeder series switch at
Eaduthuvainatham 110KV SS towards Deviakurichi side will be Kept Opened.3)110KV
Deviakurichi-thirukoilur feeder will be radially fed upto Eaduthuvainatham 110KV SS from
Villupuram 230KV SS.4)There will be no interruption of supply to any SS.
possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
subject to sldc
chennai
concurrence
Approved
345 Erode 230 KV SALEM AUTO 230 KV
110KV Deviakurichi-Thammampatty
Feeder(Section Between deviakurichi 230KV
SS - Gudamalai 110KV SS)
Road & Railway crossing jumpers checking.
1)110KV Deviakurichi-Thammampatty Feeder breaker & CT's Maintenance availing
Deviakurichi SS. 2)110KV Deviakurichi-Thammampatty Feeder series switch at
Gudamalai 110KV SS towards Deviakurichi side will be Kept Opened.3)110KV
Deviakurichi-Thammampatty feeder will be radially fed upto Gudamalai 110KV SS from
Pudhanchandai 230KV SS.4)There will be no interruption of supply to any SS.
possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
subject to transfer
of loads to
puthansanthai ss
feed
Approved
346 Erode 230 KV karuvalur230kv230kv Karuvalur-PGCIL feeder breaker with
line switch
For monthly maintenance work and PMI by
palladium lines (OCC approvec) 230kv Karamadai
feeder will be in service
230kv Karamadai feeder will be in service possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1
occ approved and
subject to load
condition
Approved
347 Madurai 230 KV PERAMBALUR 230 KV230KV Perambalur-Trichy feeder breaker
CT's wave trap & Line Isolater.For monthly maintenance work
During the above period of shut down1) 230KV Trichy SS also avaling total
shutdwon.2)230KV Perambalur SS will be radially fed from 230KV TAQA endPOSSIBLE Fri, 07-Apr-2017 10:00 Fri, 07-Apr-2017 16:00 1
sub to load
condition and
Alandur ICT
Loading
Approved
348 Erode 230 KV ALIYAR 230 KV230KV AUTO TRANSFORMER-II WITH HV
AND LV CB,CTs
Attending oil leakge in the PRV at y-phase by
companyDuring LC period no ss will be affected possible Fri, 07-Apr-2017 10:00 Fri, 07-Apr-2017 16:00 1
subject to the
other auto tr
loading limit
Approved
349 Erode 110 KV ALIYAR 230 KV 110KV ALR LINK FEEDER-II CB,CT ONLY Monthly mtce work Aliyar- PH Under shutdown condition possible Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 12:00 1subject to aliyar
machine utilizationApproved
350 Erode 110 KV ALIYAR 230 KV 110KV ALR LINK FEEDER-I CB,CT ONLY Monthly Mtce work Aliyar -PH under shutdown condition 0 Fri, 07-Apr-2017 13:00 Fri, 07-Apr-2017 16:00 1 repeat of 53714 Not considered
351 Chennai 110 KV THIRUVALAM 230 KV
i) On 110KV Capacitor Bank-I and 110KV
by one
i)For Monthly Maintenance Works110KV Capacitor Bank-I and 110kv Capacitor Bank-II ONE by one will be in 'OFF'
condition iii)The 230KV Link-II, 230KV Chittoor interstate feeders,230KV Link-I # and
230KV Mosur feeders will be in service and cater the SS Loads. Hence there will be no
interruption of supply please.
SE/Operation
concurrenceFri, 07-Apr-2017 09:00 Fri, 07-Apr-2017 17:00 1 0 Approved
352 Madurai 230 KVANUPPANKULAM 230
KV
110 APKM - T. Kallupatti # Br., CT. and line
section between 110 KV Thiruthangal SS and
Erichanatham SS.
Maintenance Works of BKR & CT,LI and Watrap
LILO loc. No. 2 jumper bolt rectification work and
replacement of flash over disc at Loc.No.72 between
110 KV Valayapatti SS and Srivilliputhur SS.
During the LC period,110 KV Valayapatti SS, Watrap SS, Erichnatham SS will be availing
Total Shut down and 110 KV TTL SS loadwill be transferred to 110KV PPTY feeder &
110KV T.Kallupatti SS load will be transfered to 110KV APKM-PSQ feeder. At
Erichanatham SS towards Watrap 110 KV isolator opend and at TTL SS towards
Valayapatti SS 110 KV isolator will be opend. Hence no SS will be affected.
POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 17:00 1 0 Approved
353 Chennai 230 KV VILLUPURAM 230 KVFor monthly maintenance work. (annual relay testing
work)
Auto T/R-I will be in service &110KV Thirukovilur #, & Acpkm-II, Thayanur feeder will be
Radial from other end.Possible Fri, 07-Apr-2017 09:00 Fri, 07-Apr-2017 17:00 1 0 Approved
354 Chennai 110 KV VILLUPURAM 230 KV110KV Madurapakkam- I # Between
Madurapakkam- I KandamangalamFor monthly maintenance work.
Kandamangalam SS availing total shutdown for tightening jumpers and Tree cutting at
EHT line.Possible Fri, 07-Apr-2017 09:00 Fri, 07-Apr-2017 17:00 1 0 Approved
355 Chennai 230 KV ACHRAPAKKAM 230 KV 100 MVA AUTO TR.I FOR MONTHLY MAINTENANCE WORK1.100 MVA AUTO TR.II &III WILL be in service cater the entire ss load 2.110 kv s p koil#
and Korattur-II # WILL BE RADIAL FROM OTHER ENDPossible Fri, 07-Apr-2017 09:00 Fri, 07-Apr-2017 12:00 1 0 Approved
356 Madurai 110 KV PERIYAR110 KV PERIYAR - THENI FEEDER -I
ENTIRE
Feeder Breaker with CT and Line side AB Switch for
annual maintenance work
During the LC period Uthamaplayam ss Load will transferred to 110 KV Periyar-Theni - 2
feeder and Gamesa & Regen Kamatchipuram wind mill SS effected.POSSIBLE Fri, 07-Apr-2017 9:00 Fri, 07-Apr-2017 13:00 1
Sub to
concurrance from
wind generators
Approved
357 Chennai 230 KV Nokia 230 KV 230KV Sriperumbudur# MONTHLY MAINTENANCE WORK Possible Fri, 07-Apr-2017 09:00 Fri, 07-Apr-2017 17:00 1 0 Approved
358 Chennai 230 KV Orgadam 230 kV 230 kV Spkoil # MONTHLY MAINTENANCE WORK Possible Fri, 07-Apr-2017 09:00 Fri, 07-Apr-2017 17:00 1 0 Approved
359 Erode 230 KV THUDIALUR 230 KV 230KV O.K.Mandapam feeder entire Monthly maintenance and annual relay testing 230KV PH4,Karamadai & CBE feeders will be in service postponed Sat, 08-Apr-2017 9:00 Sat, 08-Apr-2017 17:00 1
230 kv palladam
to
othakalmandapam
feeder lc
recommended
Approved
360 Chennai 230 KVECHUR 230 KV & SP
Koil lines230 kv ECHUR - Kalpakkam feeder
Monthly Maintenance Work and Insulator
Replacement workPending Sat, 08-Apr-2017 09:00 Sat, 08-Apr-2017 17:00 3 0 Approved
361 Chennai 230 KV TONDIARPET 230 KV 100 MVA AUTO TRANSFORMER-II FOR ROUTINE MAINTENANCE WORKSDURING THE PERIOD OF SHUTDOWN , EXCEPT 100 MVA AUTO TRANSFORMER-II
ALL OTHER FEEDERS AND EQUIPMENTS WILL BE IN SERVICE.Possible Sat, 08-Apr-2017 09:00 Sat, 08-Apr-2017 13:00 1 0 Approved
362 Chennai 110 KV KILPAUK 230 KV 110KV Western Bus Routine Maintenance work
During the period of shutdown1)110KV KWWI feeder loads will be transferred to KWWII
feeder2)110KV AnnaNagar feeder load will be transferred to 230KV Korattur SS
feeding3)100MVA Auto Transformer I will not be inservice
Possible Sat, 08-Apr-2017 09:00 Sat, 08-Apr-2017 16:00 1Subject to CBD
concurrenceApproved
363 Madurai 110 KV KODAIYAR PH2 110 KV S.R.Pudur feeder-2 SF6 breaker A) Monthly maintenance B) Annual relay test Feeder will be radial from other end. Hence no SS will be affected. POSSIBLE Sat, 08-Apr-2017 9:00 Sat, 08-Apr-2017 17:00 1 0 Approved
364 Erode 230 KVOTHAKKAL MANDABAM
230 KV
230KV OKM-Thudiyalur Feeder Entire
(Breaker, CT's, 89M1, 89M2 & 89L Isolators)for monthly maintenance works. During the LC period, the other 230 KV feeders are in service to cater the SS loads. postponed Sat, 08-Apr-2017 9:00 Sat, 08-Apr-2017 17:00 1
230 kv kph 2 to
kph 3 lc
recommeded
Approved
365 Chennai 230 KV TONDIARPET 230 KV 230KV NORTHERN BUS SECTION
230KV NORTHERN BUS SECTION WEAK
JUMPERS REPLACEMENT AND CLAMPS
TIGHTNESS CHECK.
1. 230KV TPT-ETPS & 230KV TPT-NCTPS-I FEEDERS WILL NOT BE IN SERVICE. 2.
100 MVA AUTO TR-II WILL NOT BE IN SERVICE. 3. 230KV LOAD TO BE RESTRICTED
TO ONE SOURCE FEEDER.
May be
possibleSun, 09-Apr-2017 06:00 Sun, 09-Apr-2017 17:00 1
Subject to load
conditionApproved
366 Chennai 230 KV SIRUSERI 230 KV230 Kalivanthapattu # & 230 KV Western Bus
(129th OCC approved)Maintenance work
DURING THE PERIOD OF SHUTDOWN 1) 230KV Kalivanthapattu #,230KV KITS
Park#,100MVA AUTO TR-II & 230 KV Western Bus will not be in service. 2) The 230KV
KITS Park SS load will be fed by 230KV Taramani SS. 3) 110KV Sholinganallur SS load
will be transferred to 230KV KITS PARK SS.
Possible OCC
Appd.129/107Sun, 09-Apr-2017 10:00 Sun, 09-Apr-2017 17:00 1
Subject to Grid
conditionApproved
367 Erode 230 KV KUNDAH PH3 230KV PH3 - PH2 FEEDER For monthly maintenance work Both end open condition, MODS are open condition 0 Sun, 09-Apr-2017 8:00 Sun, 09-Apr-2017 17:00 1 0 Approved
368 Erode 230 KV KUNDAH PH3 230KV KPH2 Feeder to KPH3 Feeder 230KV KPH2 Feeder to KPH3 Feeder230KV KPH2 Feeder to KPH3 Feeder Tower No:13-24 Pre-Monsoon Inspection
work(PMI) and Maintenance work.0 Sun, 09-Apr-2017 9:00 Sun, 09-Apr-2017 17:00 1 0 Approved
369 Chennai 230 KV KORATTUR 230 KV 230 KV Korattur-SPR feeder Jumper Tightness at various Location All other feeder will be in services Possible Sun, 09-Apr-2017 09:00 Sun, 09-Apr-2017 17:00 1 0 Approved
370 Erode 110 KV KUNDAH PH5 110KV STRUNG BUS ONLY
1).NEW STATION BATTERY CHARGER
COMMISSIONING WORK..2).110KV PH5 TO PH6
FEEDER BUS ISOLATOR R PHASE JUMPER
GLOW RECTIFICATION WORK AT BUS SIDE..
DURING THE LC PERIOD UNITS 1& 2 WILL BE UNDER NOT S/B CONDITION.ALL
THE FEEDERS WILL BE FEED FROM OTHER END..possible Sun, 09-Apr-2017 10:00 Sun, 09-Apr-2017 13:00 1
subject to the grid
and the load
condition existing
Approved
371 Chennai 230 KV KOYAMBEDU 230 KV 230 KV GIS FEEDER For SF6 Gas Leak attending work. 230 KV Load may be restricted within 230 KV SPR Feeder. Possible Sun, 09-Apr-2017 10:00 Sun, 09-Apr-2017 17:00 1 0 Approved
372 Chennai 230 KV TONDIARPET 230 KV 100 MVA AUTO TRANSFORMER-I FOR ROUTINE MAINTENANCE WORKSDURING THE PERIOD OF SHUTDOWN , EXCEPT 100 MVA AUTO TRANSFORMER-I
ALL OTHER FEEDERS AND EQUIPMENTS WILL BE IN SERVICE.Possible Sun, 09-Apr-2017 09:00 Sun, 09-Apr-2017 13:00 1 0 Approved
373 Chennai 230 KV KORATTUR 230 KV 230 KV NCTPS-SPR feeder Jumper Tightness at Various location All other feeder will be in services Possible Sun, 09-Apr-2017 09:00 Sun, 09-Apr-2017 17:00 1 0 Approved
374 Chennai 400 KV Sriperumbudur 400 KV Auto-1,400/230kv,315MVA Monthly maintenance work During the period of shutdown Auto-2 & 3 will be in servicePossible OCC
Appd. 129/138Sun, 09-Apr-2017 09:00 Sun, 09-Apr-2017 17:00 1 0 Approved
375 Chennai 230 KV TONDIARPET 230 KV 230KV SOUTHERN BUS SECTION
230KV SOUTHERN BUS SECTION WEAK
JUMPERS REPLACEMENT AND CLAMPS
TIGHTNESS CHECK.
1. 230KV TPT-BASIN BRIDGE & MANALI FEEDERS WILL NOT BE IN SERVICE.2. 100
MVA AUTO TR-III WILL NOT BE IN SERVICE.3. 230KV LOAD TO BE RESTRICTED TO
THTEE SOURCE FEEDERS.
To be discuss Sun, 09-Apr-2017 06:00 Sun, 09-Apr-2017 17:00 1 0 Postponed
376 Erode
GENERATI
NG
STATIONS
PUSHEP UNIT 2 MONTHLY MAINTENANCE WORK UNIT 2 IN SHUT DOWN CONDITION possible Sun, 09-Apr-2017 9:00 Sun, 09-Apr-2017 17:00 1subject to the grid
condition existingApproved
377 Chennai 230 KV KITS 230 KV230KV Siruseri # and 110KV Velachery # one
after anotherFor Quarterly maintenance work
During the above shutdown period 230KV Tharamani # will be feeding the entire KITS SS
loads except 110KV Velachery # loads which will be transferred to 230KV Tharamani SS
and 110KV Veerapuram # which will be in back charged condition
Possible with
CBD
concurrence
Sun, 09-Apr-2017 07:00 Sun, 09-Apr-2017 15:00 1 0 Approved
378 Chennai 110 KVGUMMIDIPOONDI 230
KV110KV Periyapalayam feeder bay
Monthly maintenance work , CT clamp and bolt nuts
replacement work
During the period of shut down the 110KV Periyapalayam SS availing total shut down
concurance to be obtained from JR metals EHT .Possible Sun, 09-Apr-2017 10:00 Sun, 09-Apr-2017 17:00 1 0 Approved
379 Erode 230 KV KUNDAH PH3 230KV KPH2 to KPH3 Feeder
230KV KPH2 to KPH3 Feeder Tower No:25 to 35.
Pre-Monsoon Inspection work(PMI) and
Maintenance work.
Bus and Line both end open condition Earth switch closed condition. postponed Sun, 09-Apr-2017 9:00 Sun, 09-Apr-2017 17:00 1
230 kv kph 3 to
kph 4 lc
recommended
Approved
380 Erode 230 KV KUNDAH PH3 230KV KPH2 to KPH3 Feeder
230KV KPH2 to KPH3 Feeder Tower No:13 to 24
Pre-Monsoon Inspection work(PMI) and
Maintenance work.
Bus and Line both end open condition Earth switch closed condition. postponed Sun, 09-Apr-2017 9:00 Sun, 09-Apr-2017 17:00 1
110 kv kph 2 to
thudiyalur lc
recommended
Approved
381 Madurai 110 KV PUGALUR 230 KV110KV Kabilarmalai Radial feeder
Breaker,CTs line switch onlyMonthly Maintenance work.
During the LC period 1) 110KV Kabilarmalai SS is proposed total shutdown,remaining
110KV Valavanthi SS, Villipalayam SS and 110 KV P.Velur SS load will be fed from
230KV SS Pudansandai via 110KV Valayapatty feeder. Concurance obtained from
EE/O/Pudansanthai. there is No interruption to any SS.
POSSIBLE Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1sub to total s/d
and load trnasfer
Approved Subject to
load condition
382 Erode 230 KV MTPS MTPS-I to Salem 400 KV SS-II Monthly maintenance Programmed LC possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1
subject to the
other feeder
loading limit
Approved
383 Erode 110 KV THINGALUR 230 KV110KV INGUR feeder breaker,CTs and Line
IsolatorsMonthly Maintenance Works The feeder will be back charged possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1
subject to the load
condition existingApproved
384 Madurai 230 KV PASUMALAI 230 KV1) 230 KV Pasumalai - Alagarkoil # BKR &
CT,LI only. 2).Line Entire.
a)Maintenance Works of BKR & CT,LI b)Tree cutting
worksEE / O / Alagarkoil has also programmed. POSSIBLE Mon, 10-Apr-2017 0:00 Mon, 10-Apr-2017 0:00 1
230 Alandur # to
be in tied
condition
Approved
385 Madurai 230 KV TTPS 23KV TTPS-KNMLM FEEDER For maintenance work and MRT testing1)Both end Breakers to be tripped2)Both end Bus and Line isolators to be opened3)Both
end Earth switches to be closed conditionPOSSIBLE Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1
sub to CKNI ICT
loadingApproved
386 Erode 230 KV GOBI 230 KVAUTO TRANSFORMER II HV,LV BREAKER
AND CT'S
FOR ANNUAL RELAY TESTING WORK BT
P&C/GOBI AND FOR MONTHLY MAINTENANCE
WORK
AUTO TRANSFORMER I AND III ARE IN SERVICE,IT MAY CATER THE LOAD. possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
387 Madurai 230 KV Alagarkoil230kv230kv ALKL-Pasumalai # breaker CT,Line
CVT & Line entirefor monthly maintenance work
During the LO.C period the 230KV SUPPLY WILL BE FED FROM 230KV other feeder ,
other end also proposed L.C on the same date,hence there will be no interru8ption of
supply please.
POSSIBLE Mon, 10-Apr-2017 10:00 Mon, 10-Apr-2017 16:00 1
230 Alandur # to
be in tied
condition
Approved
388 Erode 230 KV Salem 400 KV230 KV MTPS II # - Its CTs, BREAKER, BUS
& LINE SWITCHESBoth end Monthly Maintenance Work Both end Monthly Maintenance Work possible Mon, 10-Apr-2017 8:00 Mon, 10-Apr-2017 14:00 1
subject to the
other feeder
loading limit
Approved
389 Madurai 230 KV then I 230 KV230 KV AUTO TRANSFORMER II HV & LV
BREAKER WITH CT.FOR MONTHLY MAINTENANCE WORK.
FOR MONTHLY MAINTENANCE WORK.THE STATION LOADS WILL BE MANAGED
OTHER TWO AUTO TRANSFORMERS.POSSIBLE Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 13:00 1 0 Approved
390 Madurai 230 KVCHECKANURANI SW
STATION 230 KV230KV B-Bus Entire For Monthly maintenance works
During the LC period, no supply will be affected and all the 230KV Feeders fed through A-
BusPOSSIBLE Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1 0 Approved
391 Madurai 230 KV VALUTHUR 230 KV 230KV Valuthur - Karaikudi feeder entire. Tree cutting work.During the LC period evacuation will be done through 230KV Valuthur - Kavanoor and
Alagarkovil feedersPOSSIBLE Mon, 10-Apr-2017 10:00 Mon, 10-Apr-2017 17:00 1 0 Approved
392 Madurai 110 KV KAVANOOR 230 KV
110 KV KAVANOOR-PARAMAKUDI # SEC.
BET. PARAMAKUDI TO ILAYANGUDI &
MARAVAMANGALAM
LINE MAINTENANCE WORKSPMDI SS FED BY 110 KV KVNR-PMKDI # AND ILYNGDI & MRVMNGLM TOTAL S/D-
LOAD RELIEF 6.05 MW ACE/OPN/MDU APPROVALPOSSIBLE Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1 sub to total s/d Approved
393 Madurai 230 KV KARAIKUDI 230 KVOn 230/110KV Auto Tf- 1 and its allied
equipments.For Monthly Mtc work.
During the Lc period the Auto tr.f- 1 load will be Contained other Auto. Tr.f- 2 & 3.Hence
there will be interruption of supply.POSSIBLE Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1
sub to load
condiitonApproved
394 Madurai 110 KV KARAIKUDI 230 KVOn 110KV illayankudi # S/B illayangudi &
Maravamangalam.For Tree Cutting Work.
During the Lc period the 110KV illayangudi SS & Maravamangalam SS under TSD.
Hence there will be Interruption of Supply.POSSIBLE Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1 sub to total s/d Approved
395 Madurai 230 KV kinnimangalam 230 KV 230KV KNMLM - TTPS # Maintenance works of breaker,CT and Line No supply in the entire feeder POSSIBLE Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1sub to CKNI ICT
loadingApproved
396 Erode 230 KVOTHAKKAL MANDABAM
230 KV
230/110 KV Auto Transformer-III (HV & LV
Breakers, CTs & LAS)
For Annual relay testing work by GRT wing and
monthly maintenance works.
During the LC period, (1) 110KV OKM-Thudiyalur I feeder loads will be transferred to 230
KV TDLR SS (if necessary)(2) Already 110KV OKM-Thudiyalur II feeder fed from 230 KV
TDLR SS.(3) The remaining two Auto Transformers will be in service to cater the SS
loads.
postponed Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1
auto tr lc at
thudiyalur ss
recommended
Subject to
EE/SLDC/Erode
approval
397 Chennai 230 KV TONDIARPET 230 KV50 MVA POWER TRANSFORMER-I &33 KV
TPT-II FEEDERFOR ROUTINE MAINTENANCE WORKS
DURING THE PERIOD OF SHUTDOWN , 50 MVA POWER TRANSFORMER-I WILL
NOT BE IN SERVICE 33 KV TPT-II FEEDER LOAD TO BE TRANFRRED TO
ALTERNATE FEEDING.
CBD
concurrenceMon, 10-Apr-2017 09:00 Mon, 10-Apr-2017 14:00 1 0
Subject to SE/O
concurrence
398 Madurai 230 KV EACHANGADU 230 KV230 KV Eachangadu-Neyvely TS I # Breaker
& CT'sFor monthly maintenance works
During the above shutdown period the 230 KV Eachangadu ss will be Radially fed from
230KV Samayapuram ss.POSSIBLE Mon, 10-Apr-2017 10:00 Mon, 10-Apr-2017 17:00 1
sub to Aldr ICT
loadingApproved
399 Madurai 110 KV SEMBATTY 230 KV110KV SBT - Theni II # sec. bet. Nilakottai
and Eluvanampatti SSTree cutting work
During the LC period the feeder will be radial from SBT upto Nilakottai SS and radial from
other end upto Eluvanampatti SS. Batlagundu SS will be transferred to Theni I #. Hence
no interruption to any SS.
POSSIBLE Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1sub to load
condiitonApproved
400 Madurai 110 KV KAYATHAR 230 KV110Kv Kayathar - Anuppankulam sec b/w
KOvilpatti & duraisamypuramFor Defective disc replacement work
During the LC Period ,I.Kovilpatti SS will be radially fed from
Anuppankulam,II.duraisamypuram SS wiil be radially fed from Kayathar.POSSIBLE Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1
sub to load
condiitonApproved
401 Erode 110 KV DEVIAKURICHI 230 KV 110 KV Thammampatty Feeder Breaker, CTs For Monthly Maintenance work
110KV Thedavoor SS availing Total Shutdown. Goodamalai SS; Thammampatty SS and
Mettala SS availing back feeding Supply from 230KV pudansandhai SS by closing series
switch at110 KV Namagiripet SS towards Deviyakurichy side.
possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1
subject to transfer
of loads to
puthansanthai ss
feed
Approved
402 Chennai 400 KV Thiruvalam 400 KV ICT - I Maintenance work
1)ICI- I in OFF condition 2)ICT- II in service for 230kv feeder loads3)230KV Singarapet
feeder may be hand tripped,if load on ICT-II reached above 280MW4)400kv ALAMATHY -
I feeder in service from its main breaker thro 400KV Bus -I
Possible OCC
Appd. 129/140Mon, 10-Apr-2017 09:00 Mon, 10-Apr-2017 16:00 1 0 Approved
403 Chennai 110 KV KORATTUR 230 KV 110 KV Avadi-SPR feeder Jumper Tightness at various location All other feeder will be in services Possible Mon, 10-Apr-2017 08:00 Mon, 10-Apr-2017 17:00 1 0 Approved
404 Madurai 230 KVTUTICORIN -SIPCOT
230 KV
On 230KV IBPGL feeder No.(II)breaker with
CTs only.
a) For monthly maintenance work. b) For annual
relay test.
During the LC period, the 230KV IBPGL Feeder No.I will be in service for their evacuation
of power and no interruption in evacuation and the amount has been paid by M/s. IBPGL
and no other SS will be affected.
POSSIBLE Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1 0 Approved
405 Erode 230 KV UDUMALPET 230 KVAUTO TRANSFORMER III HV III & LV III
COMPLETEFOR MONTHLY MAINTENANCE WORKS 3 AUTOS ARE IN PARALLEL . LOADS ARE SHARED WITH OTHER TWO AUTOS. possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
406 Erode 230 KV THUDIALUR 230 KV 100MVA,Auto Transformer-III,HV-III & LV-III For Monthly Maintenance Work 100MVA Auto Transformer I & II Will be in Service possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
407 Erode 110 KV Udumalpet 110 KV
Gudimangalam
Monthly Maintenance workDuring LC period there is no SS will be affected since there is inter connected SS fed from
other end.possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1
subject to the
feeder being kept
radial from
ponnapuram ss
end
Approved
408 Erode 230 KV METTUR AUTO 230 KV 230 KV MTPS 1- K.R.Thoppur II feeder entireJubber cone tightness checking at MTPS 1 in
K.R.Thoppur II BayProgrammed LC at MTPS 1- On 10.04.2017 possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 14:00 1
subject to the
other feeder
loading limit
Approved
409 Madurai 110 KV SANKANERI 230 KV110KV Sankaneri-SRputhoor feeder Breaker
CTS&Lineswitches.
For monthly maintenance purpose & GRT Annual
Relay Testing purpose.
During the LC Period 110KV SRputhoor Supply Radialy upto 110KV Irrukkandurai SS.
Hence no SS will be affaected.POSSIBLE Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 14:00 1 0 Approved
410 Erode 110 KV ARASUR 230 KV110 KV Arasur-Karamadai-I # Breaker and
CTs.For Monthly maintenance work.
During the Line Clear period,1)110 KV Kaduvettipalayam SS under Total Shut down.2)
110 KV Arasur-Karamadai-I feeder will be fed from 230 KV Karamadai SS.possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 12:00 1
subject to tsd
being reaized and
the feeder being
kept radial from
karamadai ss end
Approved
411 Madurai 230 KV ALUNDUR 230 KVOn 110 KV Alundur - Vadugapatty Feeder
and Breaker.
a)Preventive Monthly Maintenance work b)
Premonsoon inspection work and tree cutting work.
c) Relay Testing work.
a) 110KV Vadugapatty is radial feeder. B) 110KV Vadugapatty,Pakkudy and
Ammachatram SS avail Total shutdown. C) All other 110KV feeders will be in service. d)
There will be no interruption of supply to any other feeders and SS.
POSSIBLE Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1 sub to total s/d Approved
412 Erode 110 KV Singarapet 110 KV110 KV Vinnavanur # SF6 Bkr, CTs & LINE
ISOLATORMonthly maintenance work
During the LC period, 1. At 110KV Chengam SS line isolator towards Singarapet will be
kept opened by availing blink hence no interruption of supplypossible Mon, 10-Apr-2017 0:00 Mon, 10-Apr-2017 0:00 1
subject to sldc
chennai
concurrence
Approved
413 Erode 110 KV SALEM AUTO 230 KVIsolator
Monthly Maintenance work
1. 110KV Sankari feeder will be radially fed from other end. 2. 110KV Mallasumathram
SS will be availing total shutdown or fed from 230KV Unjani SS through Paruthipalli
feeder 3. There will be no interruption to any SS or Feeders
possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1
subject to
mallasamudram
ss availing tsd
Approved
414 Erode 230 KV INGUR 230 KV and Line side Isolator and 230 KV main Bus
& Auxillary Bus switch
MONTHLY MAINTENANCE WORKS OTHER END ALSO AVAILED LC ON THAT DAY possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 14:00 1subject to the load
condition existingApproved
415 Madurai 110 KV KAYATHAR 230 KV110 KV Kayathar - Papanasam # Breaker
with CT only
A) For Monthly Maintenance workB) For GRT Annual
Relay testing worksDuring the LC period other end also avails LC hence no ss affected POSSIBLE Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1
sub to ppm pwd
demandApproved
416 Erode 230 KV karamadai230KV 230KV Karamadai-Ingur feeder.
By AE/Lines/Thudialur to carry out the follwing
works: i)Releasing and restringing 3 nos KUNDAH
conductor & 1 no of earth wire between Loc.171-
172ii)stringing of 3 nos Zebra conductor & 1 no earth
wire between Loc.35-36
LC programmed at other end also. possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 16:00 1subject to the load
condition existingApproved
417 Erode 230 KV METTUR AUTO 230 KV 230KV MTPS II FEEDER MONTHLY MAINTENANCE WORK DURING THE LC PERIOD OTHER230KV FEEDERS WILL BE IN SERVICE possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1
subject to the
other feeder
loading limit
Approved
418 Erode 110 KV SALEM AUTO 230 KV
110KV Salem - Sankagiri feeder section
between Salem 230KV SS and Veerapandy
110KV SS.
Railway crossing jumpers checking.
1) 110KV Salem - Sankagiri feeder breaker kept hand tripped at Salem 230KV SS.2)
110KV Salem - Sankagiri feeder series switch at Veerapandy 110KV SS towards Salem
will be kept opened.3) There will be no supply in 110KV Salem - Sankagiri feeder section
between Salem 230KV SS and Veerapandy 110KV SS.4) Veerapandy 110KV SS will be
radially fed from Sankagiri 110KV SS.5) Salem 230KV SS is availing breaker and line
switch LC on that day. 6) Mallasamudram 110KV SS will availing total shut down on that
day.7) There will be no interruption of supply to any SS.
possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1
subject to
mallasamudram
ss availing tsd
Approved
419 Madurai 230 KVNEMALITHIPIYAKUDI
230 KV
A)230KV TRANSFER BUS COUPLER
BREAKER AND CT's.B)110KV N T KUDI-
MADUKKUR-THIRUMAKKOTTAI-
KOVILKALAPPAL FEEDER (LP:
KOVILKALAPPAL TO 110KV
THIRUMAKKOTTAI SS)
A)FOR MONTHLY MAINTENANCE WORK BY
AEE/MTC/N T KUDI AND ANNUAL RELAY TEST
BY AEE/P&C/THANJAVUR.B)FOR PREMONSOON
INSPECTION WORK BY
AE/LINES/PATTUKKOTTAI
A)230KV FEEDERS ARE TIED CONDITION AND NO INTERRUPTION TO ANY
SS.B)DURING THE LC PERIOD, 110KV MADUKKUR SS AND 110KV
THIRUMAKKOTTAI SS RADIALLY FED FROM 230KV NT KUDI SS. C) NO
INTERRUPTION TO ANY OTHER SS.
POSSIBLE Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1 0 Approved
420 Erode 110 KV SALEM AUTO 230 KV
110KV Deviakurichi-Thammampatty
Feeder(Section Between deviakurichi 230KV
SS - Gudamalai 110KV SS)
Road & Railway crossing jumpers checking.
1)110KV Deviakurichi-Thammampatty Feeder breaker & CT's Maintenance availing
Deviakurichi SS. 2)110KV Deviakurichi-Thammampatty Feeder series switch at
Gudamalai 110KV SS towards Deviakurichi side will be Kept Opened.3)110KV
Deviakurichi-Thammampatty feeder will be radially fed upto Gudamalai 110KV SS from
Pudhanchandai 230KV SS.4)There will be no interruption of supply to any SS.
possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1
subject to transfer
of loads to
puthansanthai ss
feed
Approved
421 Erode 110 KV PALLADAM 230 KV
110 KV Palladam - SIPCOT II feeder
breaker,CT's and Line side isolator with Line
up to 110 KV Alagumalai SS
1) To carry out Monthly maintenance by
AEE/maintenance/Palladam2) To carryout
Premonsoon inspection on line by
AEE/Lines/Palladam
During LC period 1). 110 KV Alagumalai SS availing Total shut down2) 110 KV
Muthalipalayam SS will be fed from 230 KV Ingur3) No other Sub station will be naffectedpossible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 15:00 1
subject to transfer
of loads to ingur
ss feed
Approved
422 Erode 110 KV KARAMADAI 230 KV110KV Mettupalayam-madhampalayam
feeder
PMI works in between Loc.90 and 134 by
AE/Lines/KattabettuLC programmed at both end. possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1
subject to the load
condition existingApproved
423 Madurai 110 KV KOVILKALAPAL
110 KV T(K)GTPS - Madukkur- NT Kudi
feeder (Line portion between T(K)GTPS and
110 KV Thirumakkottai SS)
Breaker, CTs and line isolator maintenance worksDuring the LC period suply will be fed radially from 230 KV SS, NT Kudi upto 110 KV
Thirumakkottai SS.No interruption to any SS.POSSIBLE Mon, 10-Apr-2017 10:00 Mon, 10-Apr-2017 16:00 1 0 Approved
424 Erode
GENERATI
NG
STATIONS
PYKARA UNIT 1 FOR MONTHLY MAINTENANCE WORK NIL possible Mon, 10-Apr-2017 8:00 Mon, 10-Apr-2017 17:00 1other units will be
availableApproved
425 Erode 110 KV ALIYAR 230 KV110KV ALR-SLR FEEDER NO-1 CB,CT AND
LINE ENTIRE
Tower replacement work at LOC 33 TO 36 by
erecting temporary tower
1)During the LC period SLR feeder no-II will caters the load2)line LC Programmed by
AE/TLC/UDTpossible Mon, 10-Apr-2017 8:00 Wed, 12-Apr-2017 18:00 3
other feeder will
be in serviceApproved
426 Chennai 110 KV MOSUR 230 KV110 KV Mosur Link-I Feeder Breaker, CT &
Line Isolators one by oneFor attending monthly Maintanance work
i. 110 KV Mosur Sub-station availing TSD work ii. The Railway I&II will be in service and
avail supply from 110 KV Mosur Link-II Feederiii Hence there will be no interruption of
supply ,
Possible Mon, 10-Apr-2017 09:00 Mon, 10-Apr-2017 14:00 1 0 Approved
427 Chennai 110 KV MOSUR 230 KV110 KV Mosur-LINK II Feeder Breaker, CT &
Line Isolators one by oneFor attending monthly Maintanance work
i. 110 KV Mosur Sub-station availing TSD work ii. The Railway I&II will be in service and
avail supply from 110 KV Mosur Link-I Feederiii Hence there will be no interruption of
supply ,
Possible Mon, 10-Apr-2017 09:00 Mon, 10-Apr-2017 14:00 1 0 Approved
428 Madurai 110 KVANUPPANKULAM 230
KV
a) 110KV NSPM- KYTR # Breaker b) 110KV
NSPM- KYTR # Line upto Vijayapuri SS
a) New Breaker wiring and testing & commissioning
works. b) Swapping of 110 KV NSPM -KYTR line
from existing bay to new bay.
During the LC period, (a) 110KV NSPM- KYTR feeder breaker will be kept in tripped
condition at NSPM SS. b) N.Subbiahpuram-Kayathar feeder will be radialy fed from other
end upto 110 KV Viyajapuri SS. Hence No SS affected.Concurrence obtained from
SE/VREDC/VDR.
POSSIBLE Mon, 10-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 2 0 Approved
429 Erode 110 KV INGUR 230 KV
110KV Elumathur - Pugalur # section
between 110KV Kodumudi SS & 110KV
Sivagiri SS and 110KV Nadu palayam SS
to attend jumper tightness work at tower loc no:110
near othakadai
1.No SS will be affected during the LC period2. 110KV Elumathur SS & 110KV Sivigiri SS
has programmed total shutdown on 10.04.20173.110KV Kodumudi SS Supply can be fed
from Pugalur 230KVSS4.110KV Nadupalayam SS supply can be fed from 110KV Erode
SS
possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 14:00 1
subject totsd relief
in the
interconnected ss
Approved
430 Erode 230 KV KUNDAH PH3 230KV KPH2 Feeder to KPH3 Feeder
230KV KPH2 Feeder to KPH3 Feeder Tower No:01
to 12 Pre-Monsoon Inspection work(PMI) and
Maintenance work.
Bus and Line both end open condition Earth switch closed condition. possible Mon, 10-Apr-2017 9:00 Mon, 10-Apr-2017 17:00 1subject to the load
condition existingApproved
431 Erode 230 KV KUNDAH PH3 230KV KPH3 Feeder to KPH4 Feeder
230KV KPH3 Feeder to KPH4 Feeder Tower No 11
to 19 Pre-Monsoon Inspection work(PMI) and
Maintenance work.
Bus and Line both end open condition Earth switch closed condition. 0 Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1 0 Approved
432 Madurai 230 KV PASUMALAI 230 KV110KV Pasumalai - Sakthi Sugars # Section
between Nattarmangalam and ArasanoorTree cutting Works
1) The sakthisugars feeder will be kept radial from Alkl end through 110KV Alagarkoil -
Karaikudi Feeder feeding Uranganpatty SS, Nattarmanaglam and upto Nelmudikarai SS
2)The feeder will be radial from Sakthisugars feeding upto Arasanoor SS 3) At
Nelmudikarai SS the switch towards Arasanoor SS will be kept opened and earthed.4) At
Arasanoor SSthe switch towards Nelmudikarai SS will be kept opened and earthed.
5)110KV Sakthisugar -Sivaganga Feeder will be in grid . 6)110KV Alagarkoil - Karaikudi
Feeder will be radial from Karaikudi upto Narasingampatti SS. 7) At Narasingampatti SS
the switch towards Alagarkoil will be kept open. 8) 110/33-11KV Nelmudikarai SS and
Arasanoor SS will be under Shutdown.
0 Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 14:00 1Approved Subject to
load condition
433 Madurai 230 KV VEERANAM 230 KVPower transformer -II,HVBR-II,LVBR-II &
33kv feeders of Ramco, Windfarm, EnerconQuertaly & Monthly maintenance work
During the lc period there will be no supply in entire power transformer -II & 33kvfeeders
and concurrence obtained from SE/NCES/TIN.POSSIBLE Tue, 11-Apr-2017 10:00 Tue, 11-Apr-2017 17:00 1 sub to wind gen Approved
434 Chennai 230 KV THIRUVERKADU 230 KV 230/110KV, 100 MVA Auto Transformer I For routine monthly maintenance workDuring the period of shutdown 230/110KV, 100 MVA Auto Transformer II will be in
service, hence no interruptionPossible Tue, 11-Apr-2017 10:00 Tue, 11-Apr-2017 17:00 1 approved Approved
435 Madurai 110 KV kodikurichy230kvOn 110KV Kodikurichi WF # breaker with CT
and All isolatorsFor Monthly Maintenance work. 110 Kodikurichi WF SS monthly shudown approved by SE/NCES/Tirunelveli. POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1 sub to wind gen Approved
436 Madurai 230 KV KAYATHAR 230 KV
On 110KV Kayathar -Arumuganeri feeder
breaker Section between kayathar and
palayamkottai SS
For a)Monthly maintenance work b)Tower to tower
inspection work
During the LC period, Palayamkottai SS will be radially fed from 110KV Arumuganeri SS.
Hence no SS affected.POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1
sub to load
conditionApproved
437 Madurai 230 KV PASUMALAI 230 KV1) 230 KV Pasumalai - Anupankulam #
BKR,CT and LI only.a)Maintenance Works of BKR & CT,LI EE / O / ANPKM has also programmed POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 14:00 1
sub to load
conditionApproved
438 Erode 230 KV KUNDAH PH3 230 KV PH3 - PH4 FEEDER For monthly maintenance work Both ends open condition, MODS are open condition possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1subject to the load
condition existingApproved
439 Madurai 230 KV AMUTHAPURAM 230 KV
Amuthapuran 230KV Bus section-2
consisting of Kodi-1 #,Kodi-2 # and P.Tr-
2,3&4
Routine Maintenance Work
1) During the LC period there will be NO supply in 230KV Kodi-1 #,Kodi-2 # and P.Tr-
2,3&4. 2) P.Tr-1 fed from 230KV N.M.Patty # and Ckni #. 3) 230KV Kodi-1 #,Kodi-2 #
Radial from other end. 4) All 33KV feeders to be tied with P.Tr-1.Hence NO Wind
generation affected. 5) Hence NO SS will be affected. 6) Cocurrence obtained from
SE/NCES/TIN.
POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1
sub to wind gen
and no blocking of
wind gen. and 230
Ckni-Ampm &
Ckni-Nmpt # to be
in tied condition
Approved
440 Erode 230 KV GOBI 230 KV110 KV GOBI FEEDER BREAKER AND CT'S
WITH LINE SWITCH
FOR ANNUAL RELAY TESTING WORK BT
P&C/GOBI AND FOR MONTHLY MAINTENANCE
WORK
SUPPLY TO 110 KV GOBI SS MAY FED FROM 110 KB ANTHIYUR FEEDER BY
CLOSING SERIES SWITCH IN 110 KV GOBI SSpossible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1
subject to transfer
of loads to
anthiyur feeder
Approved
441 Madurai 110 KV PUGALUR 230 KV110 KV Pugalur - Karur Radial feeder
Breaker, CTs and sec pglr and mnglamMonthly maintenance work., Tree cutting work.
During the LC Period, 110KV Karur SS,is proposed total shutdown. The remaining 110KV
Manmangalam,110KV Veppampalayam SS load will be fed through 110KV
Renganathapuram feeder.Hence there is no supply interruption to any SS.
POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1sub to load
conditionApproved
442 Madurai 110 KV PUGALUR 230 KV110KV Pugalur - Puliyur Feeder Breaker, CTs
and Line switch onlyMonthly Maintenance Work
During the LC period, 110KV Pulilyur SS availing total shutdown and remaining 110KV
Thanthonimalai SS, Velliyanai SS Mayanur SS, Kaniyalampatty SS and Panjapatty SS
load will be fed from 110KV Trichy SS via 110KV Ayyermalai SS.Hence there is no
interruption to any SS.Concurrence obtained from EE/O/Trichy.
POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1sub to load
conditionApproved
443 Madurai 230 KV Alagarkoil230kv100MVA AUTO I ,HV&LV breaker CT,LAS
onlyFor monthly maintenance work.
During the L.C period anpother one 100MVA AUTO II will be in serviceAND 2300& 110kv
FEEDERS WILL BE IN GRID further 110KV INDUSTRIAL ESTATE & URANGANPATTY
SS will be under total shudown. further if necessary 110KV ALKL -SMPTY 2 # TIE WILL
OPENED AT ALKL end hence there will be no interruption of supply please.
POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 14:00 1sub to load
conditionApproved
444 Madurai 230 KVTUTICORIN -AUTO 230
KV
On 110KV TTN-Sipcot-II feeder breaker with
CT bus and line side switchesFor monthly maintenance work . No SS will be affected. POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1 0 Approved
445 Madurai 110 KVCHECKANURANI SW
STATION 230 KV
110 KV Kinnimangalam-Theni - I feeder
section between Valanthur to Theni
To replace the flash over disc at loc.no.158,159,160
and tower to tower inspection,tree cutting work in
various location.
During the LC period , 110 KV Kanadamanur SS Load will be transferred to 110 KV
kinnimangalam - Theni -II feeder, Usilampatty 110 KV SS and Mondikundu 110 KV SS
availing total shutdown .Hence there will be no supply interruption at any other SS.
POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1 0 Approved
446 Madurai 230 KV then I 230 KV
PERIYAKULAM SS AND KODAIKANAL SS
SPUR LINE IN 110KV THENI-SEMPATTY II
#
FOR LINE MONTHLY MAINTENANCE AND
PREMONSOON INSPECTION WORK.PERIYAKULAM SS AND KODAIKANAL SS PROPOSED UNDER TOTAL SHUT DOWN POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1 0 Approved
447 Madurai 110 KV then I 230 KV
110 KV THENI KINNIMANGALAM I FEEDER
SECTINO BETWEEN VALANTHUR AND
THENI.
FOR LINE MONTHLY MAINTENANCE AND
PREMONSOON INSPECTION.
DURING THE LC PERIOD THE FEEDER WILL BE RADIAL FROM KINNIMANGALAM
UPTO VALANTHUR SS. 110 KV MONDIKUNDU,USILAMPATTI SS AVAILING TOTAL
SHUTDOWN.
POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1 0 Approved
448 Madurai 110 KVNALLAPPANAYAKANPA
TTY 230 KV
110 KV KODIKURUCHI FEEDER BREAKER
WITH CT ONLYFor monthly maintenance work
110 KV KADAYANALLUR SS AND 11O KV ACHANPUDUR SS WILL BE REDIALLY FED
FROM 230 KV KODIKURUCHI SSPOSSIBLE Tue, 11-Apr-2017 10:00 Tue, 11-Apr-2017 14:00 1 0 Approved
449 Madurai 230 KV KAVANOOR 230 KV 230 KV KAVANOOR-VALUTHUR #MONTHLY MAINTENANCE WORKS AND LINE
MAINTENANCE WORKSSINCE BOTH ENDS LC TO BE AVAILED NO SUPPLY IN THE FEEDER POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1 0 Approved
450 Erode 230 KVPUDHANCHANTHAI 230
KV
230KV Deviakurichy feeder CB, CTs, CVTs,
Wave Traps and 230KV Swithces.230KV Bus-
A side Switch of Deviakurichy feeder.
For regular maintenance works.
During LC period230KV Bus-A now idly charged through Bus Coupler CB & CTs will be
hand Tripped.230KV Unjanai and Pugalur feeders will be kept tied with grid.No supply
interruption.
possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1
230 kv taqa to
dvki feeder to be
in tied condition
Approved
451 Madurai 110 KV KARAIKUDI 230 KVOn 110KV KKDI - VLDR #'r S/B A.Pudur and
Tvdi.Flashed over Disc replacement work.
During the Lc Period the #'r will be tied with Grid through 110KV DVKT #'r. Hence there
will be No interruption of Supply.POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1 0 Approved
452 Madurai 110 KV kinnimangalam 230 KV110KV KNMLM - THENI 1 section between
valanthur and theniLine maintenance work
The feeder will be radial from KNMLM upto valanthur SS. 110KV Mondikundu,usilampatti
SS availing total shutdownPOSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1 repeat Approved
453 Madurai 110 KV KADALANGUDI 230 KV110KV Kadalangudy- Mayiladuthurai feeder
entire
1)Line inspection and rectification work
2)Maintenance work
No interruption to any SS. 110KV Mayiladuthurai SS proposed to shutdown. All other
feeders will be in tied condition at KGTPS plant and Kadalangudy SS.POSSIBLE Tue, 11-Apr-2017 10:00 Tue, 11-Apr-2017 16:00 1 0 Approved
454 Erode 230 KVPALLAKAPALAYAM 230
KV
Auto Transformer -II-HV and LV side.Its
entire Transformer ,LAS,CT's,Breakers
&switches and 230KV Bus I
Monthly Maintenance and Rectify the defect in Bus I
IsolatorAuto I Transformer will be manage the load possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1
subject to the
other auto tr
loading limit
Approved
455 Madurai 230 KV TRICHY 230 KV100MVA Auto Transformer I, LV I BR, HV &
LV LAS, LV CTs and Isolators.0
During the LC period a) other 2 nos. 100MVA Auto Transformer will be in service. b)
There will be no interruption of supply to any of the SS and feeders. C) Necessary
concurrence obtained from SE/O/Trichy.
POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1 0 Approved
456 Erode 110 KV METTUR DPH 110 KV AUTO SS FEEDER 2 MONTHLY MAINTENANCE WORKS THE OTHER END WILL BE IN SERVICE. possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 15:00 1
subject to the
other feeder
loading limit
Approved
457 Erode 110 KVOTHAKKAL MANDABAM
230 KV
110 KV OKM-R.S.Puram I Feeder (Breaker,
CT's & Line Switch)
for annual relay testing work by GRT wing and
monthly maintenance works.
During the LC period, 110 KV OKM-R.S.Puram I feeder loads will be transferred to 110KV
OKM-R.S.Puram II feeder. Hence, No SS will be affected.possible Tue, 11-Apr-2017 0:00 Tue, 11-Apr-2017 0:00 1
subject to transfer
of loads to feeder
2
Approved
458 Erode 110 KVOTHAKKAL MANDABAM
230 KV
110 KV OKM-R.S.Puram I Feeder (Breaker,
CT's & Line Switch)
for annual relay testing work by GRT wing and
monthly maintenance works.
During the LC period, 110 KV OKM-R.S.Puram I feeder loads will be transferred to 110KV
OKM-R.S.Puram II feeder. Hence, No SS will be affected.0 Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 14:00 1 repeat of 52988 Not considered
459 Madurai 110 KV SEMBATTY 230 KV110V SBT - THENI I # Bkr, CTs and sec. bet.
SBT and Ayyampalayam SS1. Monthly maintenance work2. Tree cutting work
During the LC period, the feeder will be radial from other end upto Ayyampalayam SS.
Hence no interruption to any SS.POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1 0 Approved
460 Erode 230 KV Udumalpet 400 KV230 KV MYVADI - UDUMALPET LINK - 1
FEEDER BREAKER, CT AND LINE ENTIREMONTHLY MAINTENANCE WORK BOTH END AVAIL LC possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1
subject to the
other link feeder
loading limit
Approved
461 Erode 230 KV DEVIAKURICHI 230 KVBreaker, CTs, and Line side isolator both end
For Monthly Maintenance work 230 KV Deviakurichy- STCMS & Singapuram Feeders will be in service possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1
230 kv taqa to
dvki feeder to be
in tied condition
Approved
462 Chennai 110 KV ARNI 230 KV110 KV Arani Kaveripakkam Feeder Breaker,
110KV CTs, Line Isolator
For Monthly Maintenance work, CT Clamp, and Bolt
Nuts replacement work.
During the Period of Shut down the 110KV Thimiri SS availing Total Shut down.Hence
there will be no interruption of Supply.Possible Tue, 11-Apr-2017 09:00 Tue, 11-Apr-2017 14:00 1 approved Approved
463 Chennai 110 KV KORATTUR 230 KV 110 KV Avadi-SPR feeder Jumper tightness at various location All other feeder will be in services Pending Tue, 11-Apr-2017 09:00 Tue, 11-Apr-2017 17:00 1 Approved
464 Chennai 230 KV SPKoil 230 KV Kalapakkam feeder 2 Quartely Maintenance Work Pending Tue, 11-Apr-2017 09:00 Tue, 11-Apr-2017 17:00 1 Approved
465 Madurai 230 KV KADALANGUDI 230 KV230/110KV Auto Transformer I, HV-I; LV-I
and 230KV & 110KV LAS.
1)Monthly maintenance work 2)Transformer
Differential Protection relay fixing work.
No interruption to any SS. The 230KV PPN- Thiruvarur feeder will be in tied condition.
The 110KV Jayankondam and Papakudy SS loads transferred to Neively TS I.
NOT
POSSIBLETue, 11-Apr-2017 10:00 Tue, 11-Apr-2017 16:00 1
programmed
along with total
s/d
Not approved
466 Madurai 400 KV kamuthi 400 KV Kanarpatty 400/230 KV ICT -II MONTHLY MAINTENANCE WORK NO FEEDER IS IN SERVICE 230 KV AND NO EQUIPMENT AFFECTED POSSIBLE Tue, 11-Apr-2017 10:00 Tue, 11-Apr-2017 17:00 1App in 129
occ/146Approved
467 Erode 230 KV UDUMALPET 230 KV230KV MYVADI LINK I FEEDER BREAKER
&LINE ENTIREFOR MONTHLY MAINTENANCE WORKS
DURING THE LC PERIOD 230KV MYVADY LINK II FEEDER WILL CATER THE 230 KV
MYVADY LINK I FEEDERpossible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1
subject to the
other link feeder
loading limit
Approved
468 Erode 110 KV Udumalpet 110 KVline. between Udt and Devanoorputhur SS
Monthly Maintenance workDuring LC period there is no SS will be affected since there is inter connected SS fed from
other end.possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1
subject to
devanurputhuir ss
being fed from
aliyar ss
Approved
469 Erode 110 KV PONNAPURAM 230 KV110 KV Ponnapuram # Breaker & CTs & Line
entireFOR MONTHLY MAINTENANCE WORKS
1. THE 110KV PONNAPURAM SS FEEDING WILL BE CHANGED TO 110KV PNPM-
INGUR-II #2.HENCE NO SS WILL BE AFFECTED.possible Tue, 11-Apr-2017 10:00 Tue, 11-Apr-2017 17:00 1
subject to transfer
of ponnapuram ss
loads to ingur
feeder 2
Approved
470 Erode 110 KV SINGARAPET 230 KV110 KV Ramiyanahalli # Breaker, CTs & line
isolators
To carry monthly maintenance work by
AEE/MTC/230 KV SS / SPT
During the shutdown period,1) 110 KV Ramiyanahalli SS programmed to avail total
shutdown 2) 110 KV Harur SS and 110 KV Pappireddipatti SS loads will be fed from 230
KV SS Karimangalam through 110 KV Karimangalam - Ramiyanahalli #hence no
interruption of supply.
possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 15:00 1
subject to
ramiyanahalli ss
availing tsd
Approved
471 Erode 230 KV SINGARAPET 230 KV Auto transformer II & LV II BreakerTo carry monthly maintenance work by
AEE/MTC/230 KV SS / SPT
During the period of LC, 1) Auto transformer II and LV II breaker will be in off condition 3)
The Auto transformer I and III will be in service,4) 110 KV Ramiyanahally SS total
shutdown approved and 110KV Harur SS & Pappireddipatty SS loads will be fed from
Karimangalam SS.5). The 110KV Tirupattur, Link I and Link II feeders will be in
servicehence no interruption of supply
possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 15:00 1
subject to the
other auto trs
loading limit
Approved
472 Madurai 230 KV SAMAYAPURAM 230 KV 230KV Bus Coupler Breaker & isolotors (idle) Monthly Maintenance Work No Interruption POSSIBLE Tue, 11-Apr-2017 10:00 Tue, 11-Apr-2017 17:00 1 0 Approved
473 Madurai 230 KV SANKANERI 230 KV230/110KV AutoTransformer-I HV&LV
Breaker CTS&Lineswitches.
For monthly maintenance purpose & GRT Annual
Relay Testing purpose.
During the LC Period AutoTransformer-I willnot beinservice.AutoTransformer-II willbe
Carriedout the Entire Load.POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 14:00 1 0 Approved
474 Erode 230 KV ARASUR 230 KV230/110 KV Autotransformer - III, HV-III, LV-
For Monthly maintenance work.During the Line Clear period,1)110 KV Somanur SS and 110 KV Ichipatty SS under total
Shut down.2)The remaining loads will be managed by three numbers auto transformers.possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 16:00 1
subject to the
other auto trs
loading limit
Approved
475 Erode 110 KV ARASUR 230 KVand Its CTs
For Monthly maintenance work. During the Line Clear period,110 KV Somanur SS under total Shut down. possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 12:00 1
subject to
somanur ss
availing tsd
Approved
476 Madurai 230 KV ALUNDUR 230 KV230KV Alundur - Thanjavur-I Feeder Breaker,
CT's, CVT's and Line Isolators.
a)Monthly Preventive Maintenance work.
b)Premonsoon Inspection and tree cutting work.
c)Relay Testing Work.
During the LC period, a)Other end also avail shutdown. b)All other 230 KV feeders will be
in service. c)There will be no interruption of supply to any other feeders.
NOT
POSSIBLETue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 16:00 1
Along with total
s/dNot Approved
477 Madurai 230 KV kayathar230kv
400KV Kamudhi feeder Main Breaker (409-
52), Reactor Breaker (409-52R), Reactor &
CT only
Monthly Maintenance workDuring the LC period there will be no supply in 400KV Kamudhi feeder Main Breaker (409-
52), Reactor Breaker (409-52R), Reactor & CT only.hence no substation affected.POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1
App in 129
occ/147Approved
478 Erode 110 KV INGUR 230 KVand earth switch
MONTHLY MAINTENANCE WORKS DEPENDING UPON LOAD CONDITION possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 14:00 1subject to the load
condition existingApproved
479 Madurai 110 KV kamuthi 400 KV 110 kv Manur # Breaker and ct only monthly maintenance work 110 kv manur ss monthly shutdown alerady proposed on this date no ss affected Possible Tue, 11-Apr-2017 10:00 Tue, 11-Apr-2017 17:00 1SLDC selection
not in orderApproved
480 Chennai 110 KV MANALI 230 KV 110kvBus Section-1
a.For replacement of damaged fixed jaw contacts in
110kv Bus Coupler-1 switch in 110kv Bus Section-
1b.Routine Maintenance works
a.110kv Bus Section-2&3 will be in service and 110kv supply to M/s MPL will not be
available
Possible with
EHT
concurrence
Tue, 11-Apr-2017 10:00 Tue, 11-Apr-2017 17:00 1
Can be availed in
1st week so as to
have import in
ETPS1
Approved
481 Madurai 230 KV THANJAVUR 230 KV230 KV Thanjavur - Alundur-1 feeder,
breaker, CT & LI.
1) For monthly maintenance works by the
AEE/Mtce/Thanjavur,2) For carrying out premonsoon
inspection works by the AEE/Lines/Thanjavur.
During the LC period,1) other end also will avail LC on the same day,2) all other 230 KV
feeders will be in tied condition,3) no supply interruption to any SS.
NOT
POSSIBLETue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1
programmed
along with total
s/d
Subject to EE/SLDC/
Madurai approval
482 Madurai 110 KVNEMALITHIPIYAKUDI
230 KV
110KV PATTUKKOTTAI-MADUKKUR
FEEDER (VIA: 110/11KV PATTUKKOTTAI
URBAN SS), LINE PORTION BETWEEN
110KV PATTUKKOTTAI URBAN SS TO
110KV MADUKKUR SS.
FOR PREMONSOON INSPECTION WORK BY
AE/LINES/PATTUKKOTTAI.
1) 110KV LINE ISOLATOR (NO.2) TOWARDS PATTUKKOTTAI ALREADY OPENED AT
110 KV MADUKKUR SS.2) NO INTERRUPTION TO ANY SUBSTATION.POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1 0 Approved
483 Erode 230 KV SALEM AUTO 230 KV230KV Deviakurichi-Pudhanchandai Entire
FeederRoad & Railway crossing jumpers checking.
1)230KV Deviakurichi-Pudhanchandai Feeder breaker & CT's Maintenance availing Both
SS. 2)230KV Deviakurichi-Pudhanchandai Feeder series switch Both side will be Kept
Opened.3)There will be no interruption of supply to any SS.
possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1
230 kv taqa to
dvki feeder to be
in tied condition
Approved
484 Madurai 230 KV PERAMBALUR 230 KV230KV Perambalur-TAQA feeder breaker
CT's wave trap & Line Isolater.For monthly maintenance work
During the above period of shut down 1) 230KV Perambalur SS will be radially fed from
230KV Trichy SS
NOT
POSSIBLETue, 11-Apr-2017 10:00 Tue, 11-Apr-2017 16:00 1
Due Aldr ICT
loading
Subject to EE/SLDC/
Madurai approval
485 Chennai 230 KV ATHIPET 230 KV 230KV Bus-II & Bus coupler switch. Routine Maintenance work 1. Bus-I will be in service2. All other feeders will be in service. Possible Tue, 11-Apr-2017 11:00 Tue, 11-Apr-2017 17:00 1 approved Approved
486 Erode
GENERATI
NG
STATIONS
KUNDAH PH2
UNIT-III GENERATTOR SF6 BREAKER,
POWER TRANSFORMER AND ITS
ACCESSIORIES
FOR MONTHLY MAINTENANCE WORK SF6 BREAKER OFF IN CONDITION TOP AND BOTTOM BUS OPEN IN CONDITION Possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1SLDC selection
not in orderApproved
487 Erode 110 KV METTUR AUTO 230 KV 110KV Malco II Feeder For Monthly maintenance work During the LC period 110KV Malco I & III Feeder will be in service possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1other two feeders
will be in serviceApproved
488 Erode 110 KV HOSUR 230 KV 110 KV Guruparapalli Breaker&entire line. 1.For monthly maintenance work.
During the above LC Period there will be no interruption,since the line has been kept ideal
charge condition. The concurrence of the Superintending Engineer/KEDC/Krishnagiri ,
Superintending Engineer/Operation/Thiruvalam , and Chief Engineer/Distribution/Vellore
has been obtained.
possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 14:00 1 idly charged Approved
489 Erode 230 KV THUDIALUR 230 KV230/110KV, 100MVA Auto Transformer III,
HV-III, LV-IIIFor monthly mtce works Auto Trnaformer I & II will be in service possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
490 Erode 110 KV HOSUR 230 KV110KV Hosur -Gurubarapally feeder(Both
Circuit I & II)
1For monthly line maintenanance work, 2)Both
circuit I & II
During the above LC Perid there will be no interruption ,since the line has been kept in
ideal charge conditon.The concurrence of CE/D/Vellore ,SE/O/TvLM,SE/KEDC/Krishnagiri
has been obtained
0 Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 14:00 1 repeat of 53662 Not considered
491 Chennai 110 KV CUDDALORE 230 KV 110 KV Main strung Bus section (South side )
GCC/Trichy wing work KfW fund Augmentation
Replacing the Existing Twin Kunda strung bus by
Twin MOOSE in 110 KV Main strung Bus section
(South side ) Capacitor bank side
Durind the period of LC The 110 KV Semmankuppam SS,110 KV BMutlur SS,110 KV
Chidambaram SS,110 KV Panruti rural SS and chiththarasurSS will be availing total
opened at cuddalore end. The Chemplast EHT loads only fed from 110 KV Lanco IPP.
Nallaththur and sornavur load will be transferred to 110 KV Neyveli paruti radial feeder
Auto transformers II will be in service.Hence NO Interruption of SupplyConcurrence
obtained from SE/O/Villupuram
Possible Tue, 11-Apr-2017 09:00 Tue, 11-Apr-2017 17:00 1 approved Approved
492 Chennai 230 KV CUDDALORE 230 KV
transformer -III Breaker with CT's one by one.
For monthly maintenance works
The 110 KV Semmankuppam SS,110 KV BMutlur SS,110 KV Chidambaram SS,110 KV
Panruti rural SS and chiththarasurSS will be availing total shutdown.( load relief for the
Chemplast EHT loads only fed from 110 KV Lanco IPP. Nallaththur and sornavur load will
be transferred to 110 KV Neyveli paruti radial feeder Auto transformers II will be in
service.Hence NO Interruption of SupplyConcurrence obtained from
SE/O/Villupuramuramneer / Shift / Cuddalore
Possible Tue, 11-Apr-2017 09:00 Tue, 11-Apr-2017 17:00 1 0 Approved
493 Chennai 110 KV THIRUVALAM 230 KV 110 KV Arani - Kaveripakkam feeder entire.For attending arcing horn tightness checking work &
EHT Line Maintenance Works.
During the period of LCi. 110 KV Arani - Kaveripakkam line LC in between from 110 KV
Timiri SS to 110 KV Kaveripakam SS.ii. 110 KV Timiri SS is availing total
Shutdown.Hence there will be no interruption of supply please.
Possible Tue, 11-Apr-2017 09:00 Tue, 11-Apr-2017 14:00 1 0 Approved
494 Chennai 110 KV MOSUR 230 KV110 KV Mosur-Denny Feeder BREAKER &
CT,SFor attending monthly maintanance work IDLY Charged feeder Possible Tue, 11-Apr-2017 09:00 Tue, 11-Apr-2017 14:00 1 0 Approved
495 Madurai 110 KVANUPPANKULAM 230
KV
a)110 KV APKM - Rajapalayam I feeder
section between 110 KV Alangulam SS to
110 KV Rajapalayam SS. b) 110 KV APKM -
Rajapalayam II feeder section between 110
KV Reddiapatti SS & 110 KV Rajapalayam
SS.
a) & b) Earth wire cut rectification work at Loc. No.
95 to 98
During the LC period, a) section between Alangulam to Rajapalayam SS in RJPM-I feeder
will be no supply. B) 110 KV Reddiapatty SS to Rajapalayam SS in RJPM-II feeder will be
no supply.Hence No SS affected.
POSSIBLE Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 15:00 1 0 Approved
496 Chennai 230 KV VILLUPURAM 230 KV100MVA Auto Transformer I & 110KV
Southern BusFor monthly maintenance works Auto T/R-II will be in service Possible Tue, 11-Apr-2017 09:00 Tue, 11-Apr-2017 17:00 1 0 Approved
497 Chennai 110 KV VILLUPURAM 230 KV 110KV VPM-T.V.Nallur # For monthly maintenance work.For replacement of Insulators loc no.210.and for tightening of jumpers between
Villupuram to T.V.Nallur in the Line.(T.V.Nallur SS availing total shutdownPossible Tue, 11-Apr-2017 09:00 Tue, 11-Apr-2017 17:00 1 0 Approved
498 Erode 230 KVGURUPARAPALLI 230
KV
230KV Shoolagiri Feeder Breaker, 110KV
Hosur feeder Breaker
Monthly maintenance works in 230KV Shoolagiri
feeder breaker and 110KV Hosur feeder breaker
230KV Shoolagiri and 110KV Hosur feeder breakers will be hand tripped. Bus side & Line
side isolators of 230KV Shoolagiri & 110KV Hosur will be opened as per instruction of
CE/D/Vellore with concurrence of SE/O/Thiruvalam & SE/KEDC/Krishnagiri.
1 & 2 possible Tue, 11-Apr-2017 9:00 Tue, 11-Apr-2017 14:00 1
1. occ approved;
2. subject to the
tsd being realized
Possible
499 Chennai 230 KV Orgadam 230 kV 230KV Sriperumbudur# MONTHLY MAINTENANCE WORK Possible Tue, 11-Apr-2017 09:00 Tue, 11-Apr-2017 17:00 1 0 Approved
500 Madurai 110 KV PASUMALAI 230 KV
1)110 KV Pasumalai -( Tirumangalam) -
Kinnimangalam 3 # BKR & CT,LI only. 2)Line
LC in section between Pasumalai and
Kappalur SS.
1) Maintenance Works of BKR & CT, LI only. .1) Feeder will be kept radial from Kinnimangalam upto Kapplur SS Line links feeding
Tirumangalam and .Kapplur SS 2) Hence No interruption of Supply to any SS0 Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 14:00 1 Approved
501 Erode 110 KV LOWER METTUR 1110 kv BPH - I to BPH - II Feeder, Line side
isolator and Earth switch
Monthly maintenance works in Feeder equipment
and its isolator and Earth switch
(a) During the L.C period Unit - 1 or Unit - 2 any one unit will be inservice, other unit will
be standby condition.(b) The other end BPH - 2 applied L.C on that day on 12.04.2017(c)
110 kv BPH - 1 to DPH Feeder will be inservice.
possible Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 16:00 1subject to the load
condition existingApproved
502 Chennai 230 KV VEERAPURAM 230 KV 230 KV Veerapuram Kalivanthapattu feeder Quarterly Maintenance(OCC APPROVED)1.230 KV Veerapuram - S.P.KOIL Feeder will be in service2.110 KV Veerapuram -
S.P.KOIL Feeder I&II kept tied conditionapproved Wed, 12-Apr-2017 09:00 Wed, 12-Apr-2017 14:00 1 0 Approved
503 Chennai 400 KV Alamathy 400 KV 400 KV SVC I & II TIE BREAKER ONLY For Tandelta of CT and isolator allignment work. 400 KV SVC I&II feeders will be in service via main circuit breakers.Hence no interuption.Possible OCC
Appd. 129/153Wed, 12-Apr-2017 10:00 Wed, 12-Apr-2017 17:00 1 0 Approved
504 Erode 230 KV MTPS MTPS-I to Salem 230KV Feeder Monthly maintenance work Programmed LC possible Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1subject to the load
condition existingApproved
505 Madurai 230 KV KAYATHAR 230 KVOn 230KV Kayathar - Abishegapatti feeder
breaker with CT & entire line.
a) For monthly maintenance work. b) Tower to tower
inspection.During the LC period, there will be no supply in the entire feeder. Hence no SS affected. POSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1
App in 129
occ/128Approved
506 Madurai 230 KV PUDUKOTTAI 230 KV
AUTO II, HV II, LV II AND 110 KV
ADHANAKKOTTAI FEEDER LINE PORTION
BETWEEN 230 KV SS AND MALAIYUR SS
AUTO II,HV II,LV II,BREAKER, ISOLATORS AND
EHT LINES MAINTENANCE AND GRT TESTING
WORKS
110 KV ADHANAKKOTTAI SS, 110 KV GANDARVAKOTTAI SS, AND 110 KV
MALAIYUR SS IN 110 KV ADHANAKKOTTAI FEEDER AVAILING TOTAL SHUT DOWN.
110 KV ALIYANILAI SS IN 110 KV ALANGUDY EID PARRY FEEDER AVAILING TOTAL
SHUT DOWN. 110 KV SIPCOT SS AND 110 KV KONNAIYUR SS IN 110 KV SIPCOT
FEEDER ALSO AVAILING TOTAL SHUT DOWN.110 KV SUPPLY FOR VADAKADU SS
IS TO BE BACK FED THROUGH 110 KV ALANGUDY EID PARRY FEEDER AND
HENCE THERE WILL BE NO INTERUPTION OF SUPPLY TO ANY SS.
POSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1 Sub to Total s/d Approved
507 Chennai 400 KVSunguvarchatram 400
KV315 MVA,400/230KV,Auto Transformer-2 Monthly maintenance work
During the LC Period 315MVA 400/230KV Auto Transformer-2 in OFF Condition and Auto
Transformer 1 will cater the load of Auto Transformer -2.
Possible OCC
Appd. 129/155Wed, 12-Apr-2017 09:00 Wed, 12-Apr-2017 17:00 1 0 Approved
508 Erode 110 KV Erode 110 KV110 KV ERODE - SWTP FEEDER BREAKER
,CT AND LINE SIDE.
MONTHLY MAINTENANCE WORK AND
RELEASING OF HANGING TYPE Wave trap
DURING LC PERIOD 110 KV SURIYAMPALAYAM 110/22 KV SS UNDER TOTAL
SHUTDOWN. NECESSARY CONCURENCE OBTAINED FROM SE/EEDC/ERODE.possible Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 15:00 1
subject to
suriyampalayam
ss availing tsd
Approved
509 Madurai 110 KV PERIYAR
110KV PRIYAR-K.G.PATTY FEEDER
BREAKER WITH CT AND LINE SIDE AB
SWITCHES
ANNUAL MAINTENANCE WORK
DURING THE LC PERIOD 110 KV PERIYAR-KG PAATY FEEDER RADIAL FROM
KAYATHAR END UPTO KG PATTY SS. IN KG PATTY SS 110KV AB SWITCH
TOWARDS PERIYAR KEPT OPENED. HENCE NO SS WILL BE AFFECTED.
POSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 13:00 1sub to load
conditionApproved
510 Madurai 230 KV SRPUDUR 230 KVOn 100 MVA Auto Tr II, LV II, HV II breaker &
CT only.Monthly Maintenance work. During the LC period Auto Tr I & III will be in service. POSSIBLE Wed, 12-Apr-2017 10:00 Wed, 12-Apr-2017 14:00 1 Sub to wind gen Approved
511 Madurai 110 KV KODIKURICHY 230 KV
1) on 110KV Kodikurichi-Veerasigamani-II #
section between Puliyangudi SS- 110KV
Narayanapuram SS 2) On 110KV Kodikurichi
-Kadayanallur - Nallamanayakan patti (DC
Line) feeder section between 110KV
Kadayanallur SS - 110 KV
Nallamanayakanpatti SS.
1)For replacement of defective insulator at location
No:51 .2) For Replacement of defective Insulator at
location no9,22, 23,&46 (NAR-VISW) Location
No.25,35,36 &43 (KDNR-PULI)
During LC period, i) 110KV Veerasigamani SS and 110 KV Puliangudi SS will be fed from
110KV -Kodikurichi- Veerasigamani -1 # by closing AB Switch towards Veerasigamani at
Echantha SS end. ii)110 KV Naranapuram SS and Visvanathaperi SS will be fed from
110 Nallmanaickenpatty SS by closing the isolator at Nallamanaickenpatty SS end .
iii)110KV Achanpudur SS and Kadayanallur SS will be radially fed from 230KV
Kodikurichi SS. Hence, no SS will be affected.
POSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1 Sub to wind gen Approved
512 Erode 230 KV GOBI 230 KV230 KV PALLAKAPALAYAM FEEDER
BREAKER AND CT'S WITH LINE SWITCH
FOR ANNUAL RELAY TESTING WORK BT
P&C/GOBI AND FOR MONTHLY MAINTENANCE
WORK
230 KV ARASUR FEEDER,230 KV ANTHIYUR FEEDER AND 230 KV MTPS II FEEDER
ARE IN SERVICE,IT MAY CATER THE LOAD,OTHER END MAY ALSO AVAIL LC.possible Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1
subject to the load
condition existingApproved
513 Madurai 110 KV PUGALUR 230 KV
110KV Pugalur - Renganathapuram feeder
Breaker, CTs & line switch and entire line
only
Monthly maintenance work
During the LC period,the 110KV Malaikovilur and 110KV Pallapatty are proposed total
shutdown,the remaining 110KV AC Playam,110KV Thalapatty ss load fed from 230KV
Rengnathapuram SS. there will be no supply interruption in any 110KV SS. Concurrance
obtained from EE/O/Renganathapuram.
POSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1 0 Approved
514 Madurai 110 KV PUGALUR 230 KV110KV Pugalur-Link feeder Breaker,CTs,Line
switch and line entire onlyFor Monthly maintenance work .
During the L.C period, 110 KV Pugalur SS proposing total shut down and concurrence
was obtained from EHT consumer M/s. EID Parry/PugalurPOSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1 0 Approved
515 Madurai 230 KVCHECKANURANI SW
STATION 230 KV230KV CKNI-Kinnimangalam Feeder Entire
For Monthly maintenance works and Line
Maintenance worksDuring the LC period, there will be no supply in the entire feeder POSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1 0 Approved
516 Madurai 230 KV then I 230 KV230 KV THENI-SEMPATTY # BREAKER CT
AND ENTIRE LINE.
FOR MONTHLY MAINTENANCE AND
PREMONSOON INSPECTION WORK.NO SUPPLY CONDITION.(OTHER END LC) POSSIBLE Wed, 12-Apr-2017 0:00 Wed, 12-Apr-2017 0:00 1 0 Approved
517 Madurai 230 KV kinnimangalam 230 KV 230kv KNMLM - CKNI I # Maintenance works of Breaker and CT There will be no supply in the entire feeder POSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 13:00 1 0 Approved
518 Erode 110 KVPUDHANCHANTHAI 230
KV110KV Bus Coupler CB and CTs. For regular maintenance works.
During LC period110KV West and East Bus feeders will be fed by Auto-I and Auto-II
respectively separately.No supply interruption.possible Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 15:00 1
subject to equal
division of loads
only
Approved
519 Erode 230 KVPALLAKAPALAYAM 230
KV
230KV Gobi Feeder CT,Breaker and
SwitchesMonthly Maintenance Both end LC avail on that day possible Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1
subject to the load
condition existingApproved
520 Madurai 110 KV PASUMALAI 230 KV
1)110 KV Pasumalai -( Tirumangalam) -
Kinnimangalam 3 # BKR & CT,LI only. 2)Line
LC in section between Pasumalai and
Kappalur SS.
1) Maintenance Works of BKR & CT, LI only. 2)Tree
clearance works .
1) Feeder will be kept radial from Kinnimangalam upto Kapplur SS Line links feeding
Tirumangalam and .Kapplur SS 2) Hence No interruption of Supply to any SS3) Kappalur
SS will be under shut down
POSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 14:00 1 0 Approved
521 Madurai 230 KVRENGANATHAPURAM
230 KV
1)230/110KV Auto Transformer-
II(100MVA)HV,LV Br,& CT's2)110KV RNPM -
SBT II # Br,CT's
1) & 2) monthly Maintenance works
1)During LC period 230/110KV Auto Transformer I (100MVA)will be in service and cater
station load.2)110KV RNPM-SBT II# will be radial from SBT End.Intermediate SS 110KV
vadamadurai SS avail total shutdown.3)110KV RNPM-UDPT # will be radial from UDPT
end. Intermediate SS 110KV Kallimandhayam SS avail total shutdown.
POSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 16:00 1
Sub to load
condition and
concurrence for
UDPT for load
transfer
Approved
522 Erode 230 KV MTPSII 230KV METTUR AUTO FEEDER GENERAL MAINTENANCE WORKS .
UNIT IN SERVICE. ALL 400KV FEEDERS KARAMADAI-I&II ,PALAVADI-I&II AND ICT-
I&II ARE IN SERVICE. ALL 230KV FEEDERS GOBI,MTPS-I AND STANDBY
TRANSFORMER EXCEPT THINGALUR FEEDER ARE IN SERVICE.
postponed Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1
feeder load 130
mw and the other
feeders would
overload
Subject to
EE/SLDC/Erode
approval
523 Chennai 230 KV CMRL 230 KV Auto Transformer II Monthly maintenance
230KV GIS Koyambedu SS (CMRL)100MVA Auto Transformer - IIon 12.04.2017 between
10.00Hrs and 16.00 HrsAEE/Mtc for monthly maintenance workApproved by
SE/O/North/ChennaiNo load transfer required and no interruption to the consumer.Auto
Transformer - I will be in service.
approved Wed, 12-Apr-2017 10:00 Wed, 12-Apr-2017 16:00 1 0 Approved
524 Madurai 230 KV TRICHY 230 KV
100MVA Auto Transformer II, HV II & LV II
BRs, HV II & LV II and their LAS,CTs and
isolators.
0
During the LC period a) other 2 nos. 100MVA Auto Transformer will be in service. b)
There will be no interruption of supply to any of the SS and feeders. C) Necessary
concurrence obtained from SE/O/Trichy.
POSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1Sub to load
condiitonApproved
525 Madurai 230 KV THIRUVARUR 230 KV230KV Thiruvarur - Nemmeli Thippiyakudy
Feeder
Line Premansoon Inspection and Rectification work,
Breaker, CT's and Isolator maintenance work
During the LC period all other 230KV feeders are in tied condition. Hence there will be no
interruption of supply to any other Substation.POSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1 0 Approved
526 Madurai 230 KV KARAIKUDI 230 KV On 230KV PGCIL # 1 Bkr & Ct's For Monthly Mtc work.During the L.C Period the all other 230KV #'rs tied with Grid. Hence there will be No
interruption of Supply.POSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1
App in 129
occ/132Approved
527 Madurai 110 KV SEMBATTY 230 KV110KV SBT - RNPM II # Sec.
bet.Gandhigramam SS and 230KV RNPM SSTree cutting work
During the LC period Vadamadurai SS is availing total shutdown, Angunagar SS will be
transferred to Aundur # And the feeder will be radial from SBT upto Gandhigramam SS.
Hence no interruption to any SS.
POSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1 0 Approved
528 Erode 110 KV DEVIAKURICHI 230 KV110 KV Capacitor bank I Breaker CTs,
Capacitor side Isolator, LASFor Monthly Maintenance work Capacitor Bank II will be in service approved Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1
subject to the
voltage profile in
the grid
Approved
529 Madurai 110 KVTUTICORIN -SIPCOT
230 KV
On 110 KV Sipcot-TTN # No. II breaker with
CTs and line isolators only.For monthly maintenance works.
 During the L.C period,the 110KV Sipcot-TTN-II feeder will be in 'OFF' condition at both
ends since there is no intermediate SS and no SS will be affected please.POSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1 0 Approved
530 Erode 110 KV COIMBATORE 230 KV
110KV Coimbatore-Arasur Feeder Section
between 230KV Coimbatore SS and 110KV
Kallimadai SS
PMI Works by AE/Lines Coimbatore110KV CBE-Arasur feeder loads(KPR Mill EHT Service, Sulur Traction EHT Service,
110KV Kallimadai SS and 110KV Irugur SS) will be transferred to 230KV Arasur SS.possible Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 16:00 1
subject to transfer
of loads to arasur
ss feed
Approved
531 Erode 230 KV UDUMALPET 230 KV230 KV IDUKKI FEEDER BREAKER & LINE
ENTIREFOR MONTHLY MAINTENANCE WORKS
DURING LC PERIOD THE ABOVE FEEDER LOADS WILL BE CATER IN 230KV Myvadi
I&II FEEDERSpossible Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1
occ approved and
srldc to be
addressed
Approved
532 Erode 110 KV THUDIALUR 230 KV
i)110KV Karamadai Feeder Br & CTs
ii)110KV OKM-I feeder Br & CTs iii)110KV
OKM-II feeder Br & CTs
For Monthly maintenance Work Feeders Will be radial form other end1 2 & 3
possibleWed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1
to be availed one
by one subject to
the load condition
Approved
533 Erode 110 KV SINGARAPET 230 KV110 KV Link I # Breaker and CTs & line
isolators
To carry monthly maintenance work by
AEE/MTC/230 KV SS / SPT
During the LC period both ends Maintenance work programmed and hence no interruption
of supplypossible Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 15:00 1
subject to the
other link feeder
loading limit
Approved
534 Madurai 110 KV SAMAYAPURAM 230 KV
110KV Samayapuram - Trichy Grid feeder
line portion between 110KV Valadi SS and
110KV Thiruvanaikoil SS
For premansoon EHT line inspection work.
During the above period of shut down a) 110KV Valadi SS avial toal shutdown on the
same day. b) 110KV Thennur SS , 110KV Thiruvanaikoil SS will be fed radially from
110KV Trichy Grid SS. c) 110KV Poovalur SS, M/s.Kothari EHT SC will be fed radially
from 230KV Samayapuram Auto SS. d). The line Isolator towards 110KV Valadi SS at
110KV Thirvanaikoil ss will be Kept opend and earth switch closed. e)The line Isolator
towards 110KV Thirvanaikoil ss at 110KV Valadi SS will be Kept opend and earth switch
closed. f) Necessary concurrence has been obtained from M/s.Kothari EHT Service for
switching operation. g)There will be no interuption to any other SS/EHT consumers.
POSSIBLE Wed, 12-Apr-2017 10:00 Wed, 12-Apr-2017 17:00 1 0 Approved
535 Erode 110 KV ARASUR 230 KV 110 KV CB-II Breaker,CTs and Cell units. For Monthly maintenance work.During the Line Clear period,remaining two numbers 24 MVAR capacitor bank will be in
service.approved Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 15:00 1
subject to the
voltage profile in
the grid
Approved
536 Madurai 230 KV SRPUDUR 230 KVOn 100 MVA Auto Tr II, LV II, HV II breaker &
CT only.
a.Monthly Maintenance work. B.Annual relay testing
workDuring the LC period Auto Tr I & III will be in service. POSSIBLE Wed, 12-Apr-2017 10:00 Wed, 12-Apr-2017 15:00 1 0 Approved
537 Erode 110 KV Singarapet 110 KV110 KV LINK # I, SF6 Bkr, CTs & Line
Isolator.Monthly maintenance work
During the LC period both ends Maintenance work programmed and hence no interruption
of supplypossible Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 15:00 1
subject to the
other link feeder
loading limit
Approved
538 Erode 230 KV SALEM AUTO 230 KVIsolator.
Monthly maintenance work.230KV MTPS feeder LC will be availed at both ends. 3 Nos. 230 KV feeders will be in
service. There will be no interruption to any sub station or feeders.possible Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1
subject to the load
condition existingApproved
539 Chennai 230 KVGUMMIDIPOONDI 230
KV230KV Suriyadev feeder bay
Monthly maintenance work CT clamp and bolt nuts
replacement work
concurance to be obtained from m/S. Suriyadev during the period of LC, the generated
load of M/s. Suriyadev fed to Sriperambadur 400KV SS through 230KV LILO switch yardPending Wed, 12-Apr-2017 10:00 Wed, 12-Apr-2017 17:00 1
Subject to
Suryadev
concurrence
Approved
540 Erode 110 KVKARIAMANGALAM 230
KV
1.110 KV Ramiyanahally feeder breaker,CTs,
Line switch and Line Between 230 KV
Karimangalam SS - 110 KV Ramiyanahalli
SS
Carryout Monthly Maintenance works by
Maintenance wing and Lines wing Neem Tree
Cutting work at Loc 56-57 , Earth Bond Open at Loc
No:82, Coconut Tree leaf Cutting work at Loc No:
89,113-114 in line between 230 KV Karimangalam
SS - 110 KV Ramiyanahalli SS.
It is Tie feeder hence there is no interruption of power supply. possible Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 14:00 1
subject to the
feeder being kept
radial from
singarapet ss end
Approved
541 Erode 400 KV karamadai230KV 400KV Bus section B1For alignment of Bus earth switch works by L&T
company.
Main breakers of bay 401,404,407 & 410 will be in hand tripped condition and 400KV
MTPS I & II and PGCIL I & II feeders fed thro' Tie breakers and also ICT 1,2& 3 will be in
service.
possible Wed, 12-Apr-2017 10:00 Wed, 12-Apr-2017 17:00 1 occ approved Approved
542 Erode 230 KV SALEM AUTO 230 KV 230KV Salem - MTPS feeder entire. Road crossing jumpers checking.
1) 230KV Salem - MTPS feeder breakers kept hand tripped at Salem 230KV SS and
Mettur 230KV SS.2) There will be no supply in 230KV Salem - MTPS feeder entire.3)
Salem 230KV SS and Mettur 230KV SS are availing breaker and line switch LC on that
day.4) There will be no interruption of supply to any SS.
possible Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1subject to the load
condition existingApproved
543 Madurai 110 KV THANJAVUR 230 KV110 KV Thanjavur - NTKudi feeder breaker,
CT and LI.
For monthly maintenance works by the
AEE/Mtce/230 KV SS/Thanjavur.
During the LC period,1) This feeder will be radial from NTKudi 230 KV SS upto 110 KV
Thirukkanurpatti SS, 2) 110 KV Thirukkanurpatti SS will avail shutdown on the same
day,3) all other 110 KV feeders will be in tied condition,4) no supply interruption to any
SS.
POSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1Sub to NT Kudi
Auto LoadingApproved
544 Madurai 230 KVNEMALITHIPIYAKUDI
230 KV
A)230KV NEMMELI THIPPIYAKUDI-
THIRUVARUR FEEDER BREAKER, CT's
AND LINE ISOLATOR. B)230KV NEMMELI
THIPPIYAKUDI-THIRUVARUR FEEDER
ENTIRE
A)FOR MONTHLY PREVENTIVE MAINTENANCE
WORK BY AEE/MTC/ NEMMELI
THIPPIYAKUDI.B)FOR PREMONSOON
INSPECTION BY AE/LINES /PATTUKKOTTAI.
1)DURING THE LC PERIOD 230/110KV NEMMELI THIPPIYAKUDI SS RADIALLY FED
FROM 230KV KARAIKUDI SS.2) NO INTERRUPTION TO ANY SS AND ALL OTHER
FEEDERS ARE TIED CONDITION.
POSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1 0 Approved
545 Erode 110 KV KUNDAH PH2110KV KUNDAH FEEDER NO 1 & 2 ,SF6
BREAKER AND ITS ACCESSIORIESFOR MONTHLY MAINTENANCE WORK SF6 BREAKER OFF IN CONDITION TOP AND BOTTOM BUS OPEN IN CONDITION Pending Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1
May be possible
with Erode LDC
Subject to
EE/SLDC/Erode
approval
546 Chennai 230 KVTHIRUVANNAMALAI 230
KV
230 KV Tiruvannamalai - Villupuram #,
Breaker, CT's and Line IsolatorMonthly maintenance work
During the period of L/C time,1. 230 KV T.V.Malai - Villupuram # will be OFF condition at
both ends,2. Other 2 Nos 230 KV T.V.Malai - Neyveli & Singarapet feeders will be in
service. Hence there is no interruption of supply please.
approved Wed, 12-Apr-2017 09:00 Wed, 12-Apr-2017 15:00 1 0 Approved
547 Erode 110 KV PYKARA110KV PYKARA - MOYAR 1# (BREAKER
AND CT)FOR MONTHLY MAINTENANCE WORK NIL possible Wed, 12-Apr-2017 8:00 Wed, 12-Apr-2017 17:00 1
feeder 2 will be in
serviceApproved
548 Chennai 110 KV CUDDALORE 230 KV 110 KV Main strung Bus section (South side )
GCC/Trichy wing work for KfW Fund Augmentation
Replace of Existing Twin Kunda strung bus by Twin
MOOSE in 110 KV Main strung Bus section (South
side ) Capacitor bank side.
During the period of LC 110 KV Sethiathopu ss,110 KV vadakuththu SS,110 KV
kullanchavadi SS,110 KV Naththapattu SS,110 KV M.T.Kuppam SSWill be availing Total
shutdown ( load relief for the bus strengthening work)LANCO feeder tie opened at
via kullanchavadi SS(keezhakuppam , , thoppukollai, kornapathu,semmankuppam ,
B,mutlur ,Chempalst ).110 KV Chidambaram ss will be fed from LANCO IPP Hence NO
Interruption of SupplyConcurrence obtained from SE/O/Villupuram
0 Wed, 12-Apr-2017 09:00 Wed, 12-Apr-2017 17:00 1Already applied on
11.4.2017Approved
549 Chennai 110 KV CUDDALORE 230 KV
110 KV Cuddalore - Kullanchavadi # breaker
Transformer-I breaker with Ct'S one by one.
For monthly maintenance works
During the period of LC 110 KV Sethiathopu ss,110 KV vadakuththu SS,110 KV
kullanchavadi SS,110 KV Naththapattu SS,110 KV M.T.Kuppam SSWill be availing Total
shutdown ( load relief for the bus strengthening work)LANCO feeder tie opened at
via kullanchavadi SS(keezhakuppam , , thoppukollai, kornapathu,semmankuppam ,
B,mutlur ,Chempalst ).110 KV Chidambaram ss will be fed from LANCO IPP Hence NO
Interruption of SupplyConcurrence obtained from SE/O/Villupuram
Possible Wed, 12-Apr-2017 09:00 Wed, 12-Apr-2017 17:00 1 approved Approved
550 Chennai 110 KV CUDDALORE 230 KV
110 KV Neyvelim - Vadakuthu feeder section
between Vadakuthu SS and 110 KV
Sethiathoppu SS
For strand cut rectification works in the incoming
dropper Jumper at Vadakuthu SS
During the period of LC 110 KV Sethiathopu ss,110 KV vadakuththu SS,110 KV
M.T.Kuppam SSWill be availing Total shutdown Hence NO Interruption of
SupplyConcurrence obtained from SE/O/Villupuram
Possible Wed, 12-Apr-2017 09:00 Wed, 12-Apr-2017 17:00 1 approved Approved
551 Chennai 110 KV THIRUVALAM 230 KV 110 KV Railway I & II feeder one by one. For EHT Line Maintenance Works.at both end one by one.Hence there will be no interruption of supply please.
Possible Wed, 12-Apr-2017 09:00 Wed, 12-Apr-2017 14:00 1 approved Approved
552 Chennai 110 KV THIRUVALAM 230 KV
i) On 110KV Railway Feeder-I and 110KV
by one
i)For Monthly Maintenance WorksCondition iii)The 230KV Link-II, 230KV Chittoor interstate feeders,230KV Link-I # and
230KV Mosur feeders will be in service and cater the SS Loads. Hence there will be no
interruption of supply please.
Possible Wed, 12-Apr-2017 09:00 Wed, 12-Apr-2017 15:00 1 approved Approved
553 Chennai 110 KV MOSUR 230 KVline Isolators
For attending Monthly Maintenance work.
1). The 110KV Salai SS(12MW)Availing Total shutdown work.2). The 110 KV
K.G.Kandigai SS(08MW) Availing Total shutdown work3) 110 KV Itichiputtur SS Availing
total shutdown 4) The concurrence of 110 KV EHT Consumer M/S ultra tech and M/s
MRF ltd may be obtained by AEE/O&M/Salai Hence there will be no interruption of supply
please.
Possible Wed, 12-Apr-2017 09:00 Wed, 12-Apr-2017 14:00 1 approved Approved
554 Chennai 230 KV MOSUR 230 KV230 KV Mosur - Thiruvalam feeder Breaker,
For attending monthly maintenance worksi). 230 KV Athipattu feeder and 230 KV Alamathy feeder are in service. ii) 110 KV Feeders
all are in service. iii). Hence there will no interruption of supply please.Possible Wed, 12-Apr-2017 09:00 Wed, 12-Apr-2017 17:00 1 approved Approved
555 Erode 110 KV ALIYAR 230 KV110KV ALR-SKPY FEEDER CB,CT& LINE
ENTIRE
PMI Work by JE/Lines/Pollachi and Quarterly Mtce
workSarkarpathy PH Under shutdown condition possible Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 16:00 1
sarkarpathy ph
undershut downApproved
556 Madurai 230 KVANUPPANKULAM 230
KV230KV Northern Bus entire.
For providing of dropper jumper in 230KV
Anuppankulam - Kayathar feeder Bus Bar to 230KV
strung Bus and line switch to terminal tower. (
Augmentation of 100MVA to 160MVA Auto
Transformer work)
During the LC period,Auto transformer - I,HV-I,LV-I in tripped condition.230KV
Anuppankulam-Kayathar feeder and 230KV Anuppankulam-Madurai feeder will be under
total shutdown.Auto Transformer-II & III will be fed from 230KV Anuppankulam-Sterlite
feeder only.
POSSIBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 12:00 1 0 Approved
557 Chennai 230 KV VILLUPURAM 230 KV 230KV Thiruvannamalai # For monthly maintenance works. Both end breaker hand Trip. For tightening of jumpers at various location in the Line Possible Wed, 12-Apr-2017 09:00 Wed, 12-Apr-2017 17:00 1 0 Approved
558 Erode 110 KV LOWER METTUR 2
110 kV LMBPH - 1 feeder equipment linde
side isolator and earth switch at LMBPH -2 /
Nerinjipettai
To carry out monthly maintenance work at 110 kV
LMBPH - 1 feeder equipment line side isolator and
earth switch at LMBPH -2 / Nerinjipettai
(i) During the above LC period Unit 1 & 2 stand by condition depending upon the PWD
demand.(ii) LMBPH - 1 end applied LC on the day(iii) LMBPH - 3 and KR Thoppur feeder
will be in service.
possible Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 15:00 1subject to the load
condition existingApproved
559 Erode 110 KV BKB - 2
110 KV Unjanai,Thiruchencode,BKB-
3,PonniSugars , Vendipalayam feeders & Bus
Section Breakers with isolators
Zone-1 Bus LC for AOH work , TAN Delta
measurement by P&C wing.
Zone 2 ( BKB-1 & SPB feeders ) will be in service . Unit 1 & 2 NSB. Ponnisugar co-
generation stop.postponed Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1
to be scheduled
with tsd in the
individual fed ss
Subject to
EE/SLDC/Erode
approval
560 Chennai 230 KV ACHRAPAKKAM 230 KV 16 MVA PR.TR.II FOR MONTHLY MAINTENANCE WORK 1.16 MVA PR.TR.I&III Will be inservice cater the entire 11kv loadsCBD
ConcurrenceWed, 12-Apr-2017 09:00 Wed, 12-Apr-2017 12:00 1 0
Subject to SE/O
concurrence
561 Erode 230 KV KUNDAH PH3 230KV KPH-3 to Karamadai Feeder
230KV KPH-3 to Karamadai Feeder Tower No:60-72
Pre-Monsoon Inspection work(PMI) and
Maintenance work.
Bus and Line both end open condition Earth switch closed condition. possible Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1subject to the load
condition existingApproved
562 Chennai 110 KV THARAMANI 230 KV 110 KV Tidel Park -2 feeder Monthly Mtce. work 110 KV Tidel Park-1 feeder will be in service Possible Wed, 12-Apr-2017 09:00 Wed, 12-Apr-2017 17:00 1 0 Approved
563 Chennai 230 KV MYLAPORE 230 KV 100 MVA 230/110 KV Auto Tr.-1 Monthly Mtce. work 100 MVA 230/110 KV AUTO TR.-2 Will be in servicePossible ( 5 -
10)Wed, 12-Apr-2017 05:00 Wed, 12-Apr-2017 10:00 1 0 Approved
564 Madurai 230 KV PUDUKOTTAI 230 KV
230 KV PUDUKKOTTAI - KARAIKKUDY PG
FEEDER BREAKER, CT, CVT, ISOLATORS
AND 230 KV EHT LINE
FOR MONTHLY MAINTENANCE WORKS OF
BREAKER, CT, CVT, ISOLATORS AND 230 KV
EHT LINE AND GRT TESTING WORKS
PUDUKKOTTAI 230 KV SS LOADS WILL BE MAINTAINED FROM 230 KV ALUNDUR
FEEDER AND HENCE THERE WILL BE NO INTERUPTION OF SUPPLY TO ANY SS.POSISBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1
Due to ALDR ICT
Loading.This LC
programmed
along with PDKT
AuTO LC
Approved
565 Madurai 230 KV KARAIKUDI 230 KV On 230KV PGCIL-PDKT #. Tree cutting work. Concerned Obtained from EE/O/PDKT. POSISBLE Wed, 12-Apr-2017 9:00 Wed, 12-Apr-2017 17:00 1
Due to ALDR ICT
Loading.This LC
programmed
along with PDKT
AuTO LC.App in
129occ /179
Approved subject to
SRLDC approval
566 Chennai 230 KV SPKoil lines 230 kV Kalpakkam - Acharapakkam feeder Insulator Replacement work Possible Thu, 13-Apr-2017 10:00 Thu, 13-Apr-2017 17:00 1 approved Approved
567 Chennai 230 KV SPKoil lines 110 KV Orgadam feeder 1 Quertaly maintenance work Possible Thu, 13-Apr-2017 10:00 Thu, 13-Apr-2017 17:00 1 approved Approved
568 Madurai 230 KV KODIKURICHY 230 KVAuto I H.V and L.V Breaker with C.T. and all
isolators.Monthly Maintenance Work on Auto Transformer I During the L.C period(i)Auto-I will be out of service,(ii) Auto-II & III will Cater the SS load POSSIBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
SUB TO WIND
GENERATIONApproved
569 Erode 110 KV Erode 110 KV110 KV ERODE - THINGALORE II FEEDER
BREAKER AND CTMONTHLY MAINTENANCE WORK
DURING LC PERIOD NO SS WILL BE AFFECTED. NECESSARY CONCURRENCE
OBTAINED FROM SE/EEDC/ERODE.possible Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 14:00 1
subject to the load
condition existingApproved
570 Madurai 230 KV PASUMALAI 230 KV1).230 KV Pasumalai - TTPS #, BKR & CT,LI
only. 2) Line Entire.
a)Maintenance Works of BKR & CT,LIb)Tree cutting
works and Flash over Disc replacement worksEE / EM - III / TTPS has also programmed POSSIBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 14:00 1
SUB TO TTPS
GENERATIONApproved
571 Madurai 110 KV SRPUDUR 230 KV110 KV SR Puthur - Kodayar I # line section
between Veeyanoor and Pechiparai.
Tree clearance work and Tower to Tower inspection.
.
During the LC period the 110 KV SR Puthur - KDR I # will be radial from SR Puthur upto
Veyanoor SS(incl) and KDR I feeder will be radial from Kodayar PH to Pechiparai SS
(incl). Hence no ss will be affected.
POSSIBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 14:00 1 0 Approved
572 Madurai 230 KV TTPS 230KV TTPS-MADURAI FEEDER For maintenance work and MRT testing1)Both end Breakers to be tripped2)Both end Bus and Line Isolators to be opened 3)Both
end earth switches to be closed conditionPOSSIBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
SUB TO TTPS
GENERATIONApproved
573 Madurai 230 KV KODIKURICHY 230 KV230KV Amuthapuram- Nallamanaickenpatty-
Checkanoorani feeder - I
For rectification of Arching Horn at Location No:375
(Y Phase)&365 (R&Y Phase)
During LC Period, 1. 230 KV Nallamanayakkan pattiSS will be fed from 230KV
Checkanoorani SS No ss will be affected.POSSIBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
230 AMPM-
CKNI&230KVCKN
I-NMPT # TO BE
TIED AND CKNI
ICT LOADING
Approved
574 Madurai 230 KV AMUTHAPURAM 230 KV230KV Amuthapuram-N.M.Patty Feeder with
Breakers,CTs and its isolatorsMonthly Maintenance Work
1) During the LC period there will be NO supply in this feeder. 2) Other end also avail LC
on same day. 3) Concurrence obtained from SE/NCES/TIN.POSSIBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
230 AMPM-
CKNI&230KVCKN
I-NMPT # TO BE
TIED AND CKNI
ICT LOADING
Approved
575 Madurai 110 KVTUTICORIN -AUTO 230
KV
On 110KV TTN-Sipcot-I feeder breaker with
CT bus and line side switchesFor monthly maintenence work
No SS will be affected.During this LC period 110KV vagaikulam SS will be radially fed
from 230KV meelavitan SS.POSSIBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
SUB TO LOAD
CODITIONApproved
576 Madurai 230 KV VALUTHUR 230 KV 230KV Valuthur - Alagarkovil entire.For attending breaker CT's and it's isolators Monthly
maintenance work.
During the LC period evacuation will be done through 230KV Valuthur - Kavanoor and
Karikudi feeders.POSSIBLE Thu, 13-Apr-2017 10:00 Thu, 13-Apr-2017 17:00 1
SUB TO TIEING
OF 230 ALKL-
ALDR #
Approved Subject to
load condition
577 Madurai 230 KV then I 230 KV230 KV THENI- CHEKKANURANI #
BREAKER WITH CT AND LINE ISOLATER.
FOR MONTHLY MAINTENANCE AND LINE
PREMONSOON INSPECTION WORK.
TOTAL SHUT DOWN TO BE PROPOSED IN THE FOLLOWING 110 KV SUB
STATIONS FOR LOAD RELIEF OF 108MW (110/22 KV GANDAMANUR SS,THEVARAM
SS, AYYAMPALAYAM SS,BATLAGUNDU SS,VAIGAI SS,&ANDIPATTY SS)
POSISBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
ONLY 40 TO 50
S/D PROPOSED.
MORE S/D
NEEDED
Approved Subject to
load condition
578 Madurai 230 KVNALLAPPANAYAKANPA
TTY 230 KV
230KV AMUTHAPURAM FEEDER BREAKER
WITH C.T AND LINE ISOLATORFOR MONTHLY MAINTENANCE WORK
DURING THE L.C PERIOD OTHER END ALSO AVAILING L.C ON THAT DAY.NO SS
WILL BE AFFECTEDPOSSIBLE Thu, 13-Apr-2017 10:00 Thu, 13-Apr-2017 16:00 1
230 AMPM-CKNI
&230KVCKNI-
NMPT # TO BE
TIED AND CKNI
ICT LOADING
Approved Subject to
load condition
579 Madurai 110 KV KAVANOOR 230 KV110 KV KARAIKUDI-VALUTHUR # SEC.
BET. THIRUVADANAI TO THONDILINE MAINTENANCE WORKS
MAIN LINE WILL BE KEPT IN TIED CONDITION. THONDI TO BE AVAILED
SHUTDOWN; L.R. -1.5 MWPOSSIBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1 0 Approved
580 Madurai 110 KV KARAIKUDI 230 KVOn 110KV TCP #'r Bkr & CT's and its O/G
isolator.For Monthly Mtc work.
During the Lc Period No Generation in TCP Consent Obtained from TCP
Generator.Hence there will be interruption of Supply.POSSIBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1 0 Approved
581 Erode 110 KVPUDHANCHANTHAI 230
KV
110KV Rasipuram feeder CB, CTs and LIne
Switch.For regular maintenance works.
During LC period110KV Elanagar SS now back fed through 110KV PSI- Rasipuram
feeder will be transferred to Unjanai 230KV SS.110KV RAsipuram SS will be back fed
through 110KV PSI-KN Patty feeder.Otherwise 110KV Rasipuram + Elanagar SSs will be
transferred to 110KV Salem-Mallur feeder.No supply interruption.
possible Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 15:00 1subject to transfer
of loadsApproved
582 Madurai 230 KV UDAYATHUR 230 KV230kv Bus Coupler Breaker& Transfer Bus
Entire.Annual Maintenance work During the LC period NO 230kv feeders,230kv PowerTrs,and Auto Tr.affectd POSSIBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 14:00 1 0 Approved
583 Erode
GENERATI
NG
STATIONS
METTUR DPH MACHINE 2 MONTHLY MAINTENANCE WORKSTHE PWD DEMAND WILL BE MEET OUT BY OTHER STANDBY MACHINES AT DAM
POWER House.possible Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 15:00 1
other machines
will be availableApproved
584 Madurai 110 KV THIRUVARUR 230 KV 110KV Thiruvarur - T.R. Pattinam feederLine Premansoon inspection and Rectification work,
Breaker, CT's and Isolator maintenance work.
During the LC period there will be no interruption of supply to any other substation, Since
this feeder is idly charged condition.POSSIBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1 0 Approved
585 Erode 110 KVOTHAKKAL MANDABAM
230 KV
110 KV Western Bus Section Entire (Auto Tr-
I, TDLR I & II #'s, Negamam I & II #'s, Sulur #
( Breaker & CT's, Bus dropper & jumper, PT-
I)
for annual bus maintenance works and defective
switch (
During the LC period,(1) 110KV Madhampatty SS,Anthiyur SS,Devarayapuram SS and
peedampalli SS will be under Total Shut down.(2) 110KV OKM-Thudiyalur I & II feeder
loads will be transferred to 230 KV TDLR SS. (3) 110KV OKM-Negamam I & II feeder will
be kept radial from 110KV Negamam SS.(4) 230/110KV Auto Transformer I will be under
Cut OFF condition.(5) The reamining two Auto Transformers will be under service to cater
the SS loads.Hence, No SS will be affected.
possible Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
subject to all the
connected feeders
being kept radial
from the other end
Approved
586 Erode 110 KVOTHAKKAL MANDABAM
230 KV110 KV Bus section Breaker (Breaker & CT's) for monthly maintenance works
During the LC period, (1) 110KV Madhampatty SS, Anthiyur SS,Devarayapuram SS &
Peedampally SS will be under Total Shut down.(2) 110KV OKM-Thudiyalur I feeder loads
will be transferred to 230KV TDLR SS.(if necessary)(3) 230/110KV Auto Transformer-I
will be capable for managing 110KV Western bus loads and Auto Transformer II & III will
be capable of managing 110KV Eastern bus loads.Hence, No SS will be affected.
possible Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 14:00 1
subject to the
above condition
being fulfilled
Approved
587 Madurai 110 KV EACHANGADU 230 KV110 kv MCL-1 Feeder BREAKER , CT'S
ONLYMONTHLY MAINTENANCE WORK
DURING THE ABOVE SHUTDOWN PERIOD THERE WILL BE NO INTERRUPTION TO
EHT CONSUMER .Since the feeder is in idly chargedPOSSIBLE Thu, 13-Apr-2017 10:00 Thu, 13-Apr-2017 17:00 1 0 Approved
588 Madurai 230 KV SEMBATTY 230 KV 230KV SBT - Theni # Bkr, CTs and line entire 1. Monthly maintenance work2. Tree cutting work During the LC period the other end is also availing LC. 0 Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1Preponed TO
12.4.17Approved
589 Erode 230 KV Udumalpet 400 KV230 KV MYVADI - KADAMPARAI - 1
FEEDER BREAKER, CT AND LINE ENTIREMONTHLY MAINTENANCE WORK BOTH END AVAIL LC possible Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
subject to
utilization of
kadamparai
machines
Approved
590 Madurai 110 KV KAYATHAR 230 KV110KV Melakallur-Sanganeri Feeder sec b/w
Karisalpatti&melapalayamFor Defective Disc replacement at Various location.
During the LC period,I.Melapalayam SS will be radially fed from Sanganeri II.Karisalpatti
SS willbe radially fed from Melakallur SS Hence No SS affectedPOSSIBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
SUB TO WIND
GENApproved
591 Erode 110 KV DEVIAKURICHI 230 KV110 KV Deviakurichy-Singipuram feeder- I
Breaker, CTs and Line side isolatorsFor Monthly Maintenance work
110KV Deviakurichy - Singipuram feeder- I will be kept radial from Singipuram 230KV SS
end.possible Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
subject to the
feeder being kept
radial from
singapuram ss
end
Approved
592 Madurai 230 KVTUTICORIN -SIPCOT
230 KV
On 230 /110 KV Auto-II, HV-II and LV-II
breakers with CTs and LAS only.For monthly maintenance work.
 During the L.C period, Auto Transformer I will be in service and no SS will be affected
please.POSSIBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
SUB TO LOAD
CONDITIONApproved
593 Chennai 230 KV Sriperumbudur 400 KV230kv sv chatram-Mambakkam feeder entire
lineLine patrol and jumper tightness work During the period of shutdown 230kv spr-mambakkam will be in service Possible Thu, 13-Apr-2017 05:00 Thu, 13-Apr-2017 09:00 1 0 Approved
594 Chennai 230 KV ACHRAPAKKAM 230 KV110KV ACK -MURUKKERI FEEDER
BREAKERS AND CT'STO CARRYOUT MONTHLY MAINTENANCE WORK
1.110KV ACK- MURUKKERI FEEDER WILL BE HANDTRIPED CONDITION IN ACK
230KV SS END.2.110KV MURUKKERI SS LOAD WILL BE TRANSFERED TO 110KV SP
KOIL II FEEDER THROUGH 110KV ILLEDU SS VIA3.HENCE NO INTERUPTION OF
POWER SUPPLY
Possible Thu, 13-Apr-2017 09:00 Thu, 13-Apr-2017 16:00 1 0 Approved
595 Erode 110 KV Udumalpet 110 KVline. Between UDT and Anthiyur
Monthly Maintenance workDuring LC period there is no SS will be affected since there is inter connected SS fed from
other end.postponed Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
okm bus lc
recommended
Subject to
EE/SLDC/Erode
approval
596 Erode 110 KV THUDIALUR 230 KV 110KV Paykara BR & CTs For Monthly Maintenance & annual relay test Work110KV Kathirnaaiken palayam SS will be under Total Shutdown and Aquasub EHT Will
be fed from 110KV P N Palayam Feederpossible Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 15:00 1
subject to
kathirnaickenpalay
am ss tsd
Approved
597 Chennai 230 KVSunguvarchatram 400
KV230KV SVC - Mambakkam # entire for monthly maintenance work During the LC period the 230KV SVC - Mambakkam # will be out of service Possible Thu, 13-Apr-2017 09:00 Thu, 13-Apr-2017 17:00 1 0 Approved
598 Erode 110 KV PONNAPURAM 230 KV
110 KV Ponnapuram - Thungavi # Breaker &
CTsAND LINE UPTO S/S OF THUNGAVI
S.S.
FOR MONTHLY MAINTENANCE WORKS.
1. 110KV THUNGAVI FEEDER WILL BE KEPT RADIAL FROM 230KV UDT SS/110KV
POOLAVADY FEEDER UPTO POOLAVADY S.S. WITH THE ENTIRE LOAD OF
THUNGAVI S.S.2.HENCE NO SS WILL BE AFFECTED.
possible Thu, 13-Apr-2017 10:00 Thu, 13-Apr-2017 17:00 1
subject to the
feeder being kept
radial from udpt ss
Approved
599 Chennai 230 KV
SPR
SIPCOT(MAMBAKKAM)
230 KV
Breaker, Current Transformers & Line side
isolator only.
For monthly maintenance works.
During the period of shutdown the entire load of 230KV SIPCOT Mambakkam SS
[Approximately: 45MW] will be fed from 400KV Sriperumbudur SS through 230KV
SIPCOT- Sriperumbudur feeder without interruption.
Possible Thu, 13-Apr-2017 10:00 Thu, 13-Apr-2017 17:00 1 0 Approved
600 Erode 110 KV SINGARAPET 230 KV110 KV Link II # Breaker and CTs & line
isolators
To carry monthly maintenance work by
AEE/MTC/230 KV SS / SPT
During the LC period both ends Maintenance work programmed and hence no interruption
of supplypossible Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 15:00 1
subject to the
other link feeder
loading limit
Approved
601 Madurai 230 KV SANKANERI 230 KV230KV Sankaneri-Abisekapatti feeder
Breaker CTS&Lineswitches.For monthly maintenance purpose. During the LC Period there willbe no supply in the Entire feeder. POSSIBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 14:00 1
App in 129
occ/134SUB TO
WIND GEN
Approved
602 Erode 230 KV ARASUR 230 KV230 KV Arasur - Gobi feeder Br,CTs and line
entire.
1) For Releasing and restringing of 3 Nos. Kundha
conductor and 1 No. earth wire between loc 196 and
197 and 3 Nos. Zebra conductor and 1 No. earth
wire between loc 37 and Loc 38 by TLC wing
Mettupalayam wing of GCC/Coimbatore.2)PMI
Works by lines wing 3) Annual relay testing works by
P & C wing /Thudialur 4) Monthly maintenance work
During the Line Clear period,rother five number 230 KV Feeders will be in service. possible Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1subject to the load
condition existingApproved
603 Madurai 110 KV SRPUDUR 230 KV On 110 KV Bus III OnlyBus side Isolator No.41 of 110 KV Arumuganeri II
feeder. Allignment Work.
110 KV SRP - ARMI # I & II will be radial from ARMI SS upto SRP (excl).110 KV SRP-
Kodayar II #.radial from Kodayar upto SRP (excl) and Parasala (Incl). 110 /11KV SRP.SS
will avail total Shutdown. Approved by SE/KKEDC/NGL.
POSSIBLE Thu, 13-Apr-2017 10:00 Thu, 13-Apr-2017 14:00 1SUB TO WIND
GENApproved
604 Madurai 230 KV ALUNDUR 230 KV230KV Alundur - Thanjavur-II Feeder
Breaker, CT's, CVT's and Line Isolators.
a)Monthly Preventive Maintenance work.
b)Premonsoon Inspection and tree cutting work.
c)Relay Testing Work.
During the LC period, a)Other end also avail shutdown. b)All other 230 KV feeders will be
in service. c)There will be no interruption of supply to any other feeders.
NOT
POSSIBLEThu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
PROGRAMMED
ALONG WITH S/D
Subject to EE/SLDC/
Madurai approval
605 Erode 230 KV UNJANAI 230 KV
Villipalayam SS
Jumper Tightness Checking work.Valayapatti 110KV #
0 Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1sldc madurai
recommendationApproved
606 Erode 110 KV Singarapet 110 KV110 KV LINK # II OMCB Bkr, CTs & Line
Isolator.Monthly maintenance work
During the LC period both ends Maintenance work programmed and hence no interruption
of supplypossible Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 15:00 1
subject to the
other link feeder
loading limit
Approved
607 Madurai 110 KV kayathar230kv 110KV Bus Coupler Breaker (104-52) only Monthly Maintenance workDuring the LC period there will be no supply in 110KV Bus Coupler Breaker (104-52) only.
hence no substation affected.POSSIBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1 0 Approved
608 Erode 230 KV INGUR 230 KV110KV Thiruvachi # Breaker, CTs, ,Isolators
and Line side IsolatorMONTHLY MAINTENANCE WORKS DEPENDING UPON LOAD CONDITION possible Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 14:00 1
subject to the load
condition existingApproved
609 Erode 230 KV INGUR 230 KV
Auto Transformer III and its HV & LV
Isolator
MONTHLY MAINTENANCE WORKS possible Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 14:00 1
subject to the
other auto trs
loading limit
Approved
610 Madurai 110 KV kamuthi 400 KV110 KV KEELAVERANAM # BREAKER AND
CT ONLYMONTHLY MAINTENANCE WEORK
110 KV KEELAVERANAM SS WILL BE FEED FROM 110 KV UTHUMALAI SS ,NO SS
AFFECTEDPending Thu, 13-Apr-2017 10:00 Thu, 13-Apr-2017 17:00 1 Approved
611 Chennai 230 KV MANALI 230 KV 230kv Main Northern Bus1.For replacement of damaged fixed jaw contacts in
230kv Bus switch in 230kv GIS SS Bay
a.110kv Panjetty feeder 110 kv Metrowater and 110kv Korattur feeder loads will be
transferred to other endsPossible Thu, 13-Apr-2017 06:00 Thu, 13-Apr-2017 11:00 1
Subject to CBD
Concurrence
Pending To be
discuss
612 Madurai 110 KV KAYATHAR 230 KV110 KV Kayathar - N.Subhiahpuram #
Breaker with CT onlyFor Monthly Maintenance work During the LC Period other end also avails LC. Hence, no SS affected POSISBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
SUB TO LOAD
CONDITIONApproved
613 Madurai 230 KV THANJAVUR 230 KV230 KV Thanjavur - Alundur-2 feeder,
breaker, CT & LI.
1) For monthly maintenance works by the
AEE/Mtce/Thanjavur,2) For carrying out premonsoon
inspection works by the AEE/Lines/Thanjavur.
During the LC period,1) other end also will avail LC on the same day,2) all other 230 KV
feeders will be in tied condition,3) no supply interruption to any SS.
NOT
POSSIBLEThu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
PROGRAMMED
ALONG WITH S/D
Subject to EE/SLDC/
Madurai approval
614 Erode 230 KV karamadai230KV 230KV Karamadai-Pushep feeder. PMI works by AE/Lines/Kattabettu. LC programmed at other end also. postponed Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
230 kv arasur to
gobi feeder lc
recommended
Approved
615 Erode 110 KV SALEM AUTO 230 KV
110KV Deviakurichi-Singapuram I
Feeder(section Between Deviakurichi 230KV
SS -Attur 110KV SS)
Road & Railway crossing jumpers checking.
1)230KV Deviakurichi-Singapuram I Feeder breaker & CT's Maintenance availing
Deviakurichi SS. 2)110KV Deviakurichi-Singapuram I Feeder series switch at Attur 110KV
SS towards Deviakurichi side will be Kept Opened.3)There will be no interruption of
supply to any SS.
possible Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
subject to the
feeder being kept
radial from
singapuram ss
end
Approved
616 Madurai 230 KVNEMALITHIPIYAKUDI
230 KV
A)AUTO TRANSFORMER-II, HV-II, LV-II
BREAKERS AND CT's. B)110KV Pattukkottai
-Peravurani - Sethubavachitram-
Keeramangalam Radial feeder. (LP: 110KV
Peravurani SS to 110KV Sethubavachitram
SS ).
A) FOR MONTHLY MAINTENANCE WORK BY
AEE/MTC/N T KUDI.B) FOR PREMONSOON
INSPECTION WORK BY AE/LINES
/PATTUKKOTTAI
1) DURING THE LC PERIOD, 110KV PERAVURANI (LR: 20MW) AND 110KV
SETHUBAVACHATHITRAM SS(LR: 8 MW) AND 110KV KEERAMANGALAM (LR:
12MW) WILL AVAIL TOTAL SHUTDOWN.2) AUTO TRANSFORMER-I in service.3) NO
INTERRUPTION TO ANY OTHER SS.4) IF NECESSARY, 110KV N T KUDI-
THANJAVUR FEEDER TIE WILL BE OPENED AT 230KV N T KUDI SS.
NOT
POSSBLEThu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
DUE TO AUTO
LOAD
CONDITION:
MORE S/D
REQUIRED
Subject to EE/SLDC/
Madurai approval
617 Erode 110 KV METTUR AUTO 230 KV110KV Main Bus portion between MBS 1 to
western sideFor Annual Maintenance work During the LC period 110KV Auxiliary Bus portion will be in service possible Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
subject to the load
condition existingApproved
618 Erode
GENERATI
NG
STATIONS
PYKARA UNIT 3 FOR MONTHLY MAINTENANCE WORK NIL possible Thu, 13-Apr-2017 8:00 Thu, 13-Apr-2017 17:00 1other units will be
availableApproved
619 Chennai 110 KV CUDDALORE 230 KV 110 KV BUS coupler breaker with CT'S For monthly maintenance worksDurind the period of LC 110KV Bus 'A' & 'B' will be independently Hence NO Interruption
of SupplyConcurrence obtained from SE/O/VillupuramPossible Thu, 13-Apr-2017 09:00 Thu, 13-Apr-2017 17:00 1 0 Approved
620 Erode 230 KV PUSHEP 230 KV PUSHEPH - KARAMADAI # MONTHLY MAINTENANCE WORKS230 KV PUSHEPH - KARAMADAI FEDDER IN Tripped condition, 230 KV line & Bus
isolators in open conditionpostponed Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
230 kv arasur to
gobi feeder lc
recommended
Approved
621 Chennai 110 KV MOSUR 230 KV For attending Monthly Maintenance work.
The 110 KV Thiruttani SS(20MW) availing Total Shutdown work.2) The 110 KV
Poonimangadu SS (08 MW) Availing total shutdown work 3). 110 KV AJPET SS (18 MW)
Availing total shutdown work 5). Hence there will be no interruption of supply please.
Possible Thu, 13-Apr-2017 09:00 Thu, 13-Apr-2017 14:00 1 0 Approved
622 Chennai 230 KV MOSUR 230 KVAUTO TRANSFORMER NO-III, HV -III , LV-
III, CT'S AND LAS onlyFor attending Monthly Maintenance work.
the 110 KV Thiruttani SS availing Total Shutdown work. 2)Auto Transformers I,II,&IV are
in service condition 3) Hence there will be no interruption of supply please.Possible Thu, 13-Apr-2017 09:00 Thu, 13-Apr-2017 17:00 1 0 Approved
623 Madurai 110 KVANUPPANKULAM 230
KV
110 KV APKM - Thulukkapatti I feeder Br.,
CT and Line entire.
(a) Monthly Maintenance Works of BKR & CT,LI.
(b)For replacement of flash over disc at Loc. No.5 &
14.
During the LC period 110 KV Sattur SS will be availing total shut down. Hence no ss will
be affected.POSSIBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 14:00 1 0 Approved
624 Madurai 230 KVANUPPANKULAM 230
KV230 KV TTPS - PSQ feeder Premonsoon inspection works
During the LC period The other end also will be availing LC on the same date. Hence No
SS affected.POSSIBLE Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1 0 Approved
625 Madurai 110 KVANUPPANKULAM 230
KV
110 KV Thulukkapatti - Aruppukkottai fedder
section between 110 KV MRPM SS and
Thullukkapatti SS
(a) Line deviation of line between Loc. 1 to 3 on
DCW basis. (b) For providing GI Metel spike on
tower cross arm.
During the LC period, 110 KV Velayuthapuram SS,110 KV MRPM SS and M/s.SRM EHT
under total shut down.110KV Aruppukkottai SS load will be transfer to 110KV Kavanoor -
Kamuthi feeder. Hence no SS will be affected.
POSSIBLE Thu, 13-Apr-2017 7:00 Thu, 13-Apr-2017 17:00 1SUB TO LOAD
CONDITIONApproved
626 Erode 230 KVOTHAKKAL MANDABAM
230 KV
230KV TBC Breaker section between 89 MA
and 89 MB bus isolatorsTo remove the loop jumper provided in
During the LC period,(1) 110KV Madhampatty SS,Anthiyur SS,Devarayapuram SS and
peedampalli SS will be under Total Shut down. (2) 110KV OKM-Thudiyalur I & II feeder
loads will be transferred to 230 KV TDLR SS.(3) 230/110KV Auto Transformer-I under
independent condition and capable to manage 230KV Western Bus loads and 110KV
western bus loads (110KV Bus section breaker under cut-OFF condition) with support of
wind generation.(4) 230/110KV Auto Transformer-II & III under parallel condition and
capable to manage 230KV Eastern Bus loads.(5) Already 230KV OKM-Palladam feeder is
substituted with TBC Breaker to retain its original condition.
postponed Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
110 kv western
bus lc
recommended
Subject to
EE/SLDC/Erode
approval
627 Erode 110 KV SINGAPURAM 230 KV 110KV salem II Feeder (CT,Breaker) Monthly Maintenance1.Monthly Maintenance 110KV salem II feeder will be fed radially from salem end. 2.Auto
LC at salem end is on 03.04.2017 & 15.04.2017 & 21.04.2017 Only.possible Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
subject to the
feeder being kept
radial from salem
ss end
Approved
628 Chennai 230 KV
BASIN
BRIDGE(GMRVASAVI)
230 KV
230 KV Mylapore # Annual Relay test by GRT / Metro / Chennai230 KV Mylapore # will not be in service and 230 KV Tondiarpet # , all 110 KV #s , Auto
Tr 1,2,3 will be in service.Possible Thu, 13-Apr-2017 09:00 Thu, 13-Apr-2017 17:00 1 0 Approved
629 Erode 230 KV GOBI 230 KV230 KV ARASUR FEEDER BREAKER AND
CT'S WITH LINE SWITCH
FOR ANNUAL RELAY TESTING WORK BT
P&C/GOBI AND FOR MONTHLY MAINTENANCE
WORK
230 KV MTPS II FEEDER,230 KV ANTHIYUR FEEDER AND 230 KV
PALLAKAPALAYAM FEEDER ARE IN SERVICE,IT MAY CATER THR LOAD.postponed Thu, 13-Apr-2017 9:00 Thu, 13-Apr-2017 17:00 1
to be rescheduled
with the other end
lc
Approved
630 Chennai 230 KV Orgadam 230 kV 230 Tie Breaker Quartely Maintenance Work Possible Thu, 13-Apr-2017 09:00 Thu, 13-Apr-2017 17:00 1 0 Approved
631 Chennai 110 KV MANALI 230 KV 110kv Bus Section-2 Routine maintenance works a Pending Fri, 14-Apr-2017 10:00 Fri, 14-Apr-2017 17:00 1 Condition Approved on 19th
632 Chennai 110 KV MANALI 230 KV 110kv Bus Section-2 Routine maintenance works a Pending Fri, 14-Apr-2017 10:00 Fri, 14-Apr-2017 17:00 1 0 Repeat
633 Chennai 110 KV KORATTUR 230 KV110 KV Avadi-Manali feeder (Between Puzhal-
Muthur)Jumper Tightness at various location
110 KV Mathur SS will be supply fed from 230 KV Manali SS & 110 KV Puzhal SS will be
fed from 110 KV Thirumullaivoyal SS
Postponed to
Sunday
16.04.17
Fri, 14-Apr-2017 09:00 Fri, 14-Apr-2017 17:00 1 0 Approved
634 Chennai 230 KV Sriperumbudur 400 KV 230KV SPR-Kadapperi-1 feeder Quarterly maintenance work During the period of shutdown 230KV-Kadapperi-2 feeder will be in service Possible Fri, 14-Apr-2017 09:00 Fri, 14-Apr-2017 17:00 1possible with CBD
concurrenceApproved
635 Chennai 230 KV Kadapperi 230KV SPR-Kadapperi-1 feeder Quarterly maintenance work Top Phase insulator replacement work at 19 Possible Fri, 14-Apr-2017 09:00 Fri, 14-Apr-2017 17:00 1possible with CBD
concurrenceApproved
636 Chennai 230 KV SPKoil230 KV 230 KV Kalpakkam feeder 1 Insulator Replacement work Possible Sat, 15-Apr-2017 09:00 Sat, 15-Apr-2017 17:00 1 0 Approved
637 Chennai 230 KV Kadapperi Auto Transformer 2 Monthly Maintenance Work Possible Sat, 15-Apr-2017 09:00 Sat, 15-Apr-2017 17:00 1possible with CBD
concurrenceApproved
638 Chennai 230 KV SPKoil lines Auto Transformer 1 Monthly maintenance work Possible Sat, 15-Apr-2017 10:00 Sat, 15-Apr-2017 17:00 1 approved Approved
639 Madurai 110 KV TRICHY 230 KVand CTs only
For Monthly Maintenance works
During the LC period, a) 110KV Trichy-Srirangam feeder will be radially fed from 230kv
samayapuram SS upto 230KV Trichy SS. b) All other 110KV feeders are in tied condition.
c) there will be no interruption of supply to any other feeder and SS. d) Necessary
concurrence obtained from other 230KV Samayapuram SS end.
POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1Due to 110 Smpm-
Try # LC at SmpmApproved
640 Madurai 400 KV kayathar230kv
400 KV MAIN BREAKER FOR ICT-1(406-
52),TIE BREAKER (405-52),110 KV LV
BREAKER (101-52),110 KV AYYANARUTHU-
1,AYYANARUTHU-2 ,KEELAVEERANAM
FEEDER BREAKERS,400/110 KV ICT-1 &
110KV Bus-1&2-PT
Monthly Maintenance work
During the LC period there will be no supply in 400 KV MAIN BREAKER FOR ICT-1(406-
52),TIE BREAKER (405-52),110 KV LV BREAKER (101-52),110 KV AYYANARUTHU-
1,AYYANARUTHU-2 ,KEELAVEERANAM FEEDER BREAKERS,400/110 KV ICT-1 &
110KV Bus-1&2-PT.
POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1
App in 129
OCC/154 . sub to
providing jumper
bw Vannikonendal
and uthumalai
Approved subject to
SRLDC approval
641 Madurai 110 KV TRICHY 230 KVand CTs only
For Monthly Maintenance works
During the LC period, a) 110KV Trichy-Srirangam feeder will be radially fed from 230kv
samayapuram SS upto 230KV Trichy SS. b) All other 110KV feeders are in tied condition.
c) there will be no interruption of supply to any other feeder and SS. d) Necessary
concurrence obtained from other 230KV Samayapuram SS end.
NOT
POSSIBLESat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 14:00 1
DUE TO 110
SMPM-TRY # LCApproved
642 Madurai 110 KV SAMAYAPURAM 230 KV
110KV Samayapuram - Srirangam feeder line
portion between 110KV Samayapuram SS
and 110KV Srirangam SS.
For premansoon EHT line inspection work.
During the above period of shut down a) The 110KV Srirangam SS avail total shutdown
on the same date. b)110KV Kambarasampettai SS will be fed radially from 230KV Trichy
Auto SS. C) 110KV AIA EHT Service, 110KV Samayapuram SS will be fed radially from
230KV Samayapuram Auto SS. d). The line Isolator towards 110KV Srirangam SS at
110KV Samayapuram ss will be Kept opend and earth switch closed. e)The line Isolator
towards 110KV Samayapuram ss at 110KV Srirangam SS will be Kept opend , Breaker in
H/T condition and earth switch closed. f) There will be no interuption to any other SS/EHT
consumers.
POSSIBLE Sat, 15-Apr-2017 10:00 Sat, 15-Apr-2017 17:00 1SUB TO LOAD
CONDITIONApproved
643 Madurai 110 KV KODIKURICHY 230 KV1)110 KV Veerasigamani# I Breakers with
C.T and All Isolators .1)Monthly maintenance work
1 Echantha SS will be FED From Veerasigamani # II by closing of 110KV AB Switch at
echantha SS towards Veerasigamani SS.POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1 0 Approved
644 Madurai 230 KV KAYATHAR 230 KVOn 230KV Kayathar - TTN Auto feeder
breaker with CT & entire line
a) For monthly maintenance work. b) Tower to
Tower inspection work.During the LC period, Other end also availing LC, Hence no SS affected. POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1
SUB TO TTPS
GENERATIONApproved
645 Erode 110 KV Erode 110 KV110 KV ERODE - BKB I FEEDER BREAKER
AND CTMONTHLY MAINTENANCE WORK
DURING LC PERIOD ERODE 110 KV SS UNDER TOTAL SHUTDOWN. NECESSARY
CONCURRENCE OBTAINED FROM SE/EEDC/ERODE.possible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 15:00 1
subject to the load
condition existingApproved
646 Erode 110 KV ANTHIYUR 230 KV 110KV Gobi feeder Breaker and CT only. For monthly maintenance of Breaker and CTDuring the LC period 110KV Anthiyur - feeder will be kept in radial condition from 230KV
Gobi SS end.Hence no SS will be affected.possible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 15:00 1
subject to the
feeder being kept
radial from gobi ss
Approved
647 Madurai 230 KV PASUMALAI 230 KV100 MVA AUTO - I, HVB - I, LVB - I , CT
only.Monthly Maintenance Works
1)Auto Transformer - 2 will be in Service. 2)110KV Pasumalai - Sembatty feeder will be
kept radial from Sembatty end. 3)110KV Pasumalai - Alagarkoil -1 Feeder is kept radial
from Pasumalai feeding Avaniyapuram 4)110KV Pasumalai - Sakthisugars Feeders
section between Pasumalai to Uranganpatti will be under LC 5)110/33-11KV Villapuram
SS and 110/33-11KV Anupanadi SS will be under Shutdown Relief - 65 MW. 6)Hence
there is No interruption of Supply to any SS.
POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 14:00 1SUB TO LOAD
CONDITIONApproved
648 Madurai 110 KV PASUMALAI 230 KV110KV Pasumalai - Sakthi Sugars # Section
between Pasumalai and Uranganpatty1) Maintenance Works of BKR & CT, LI only. .
1) The sakthisugars feeder will be kept fed from Alkl end through 110KV Alagarkoil -
Karaikudi Feeder so as to feed Uranganpatty SS, Nattarmanaglam , Nelmudikarai and
Arasanoor SS upto Sakthisugars. 2) At Uranganpatty SS the switch towards Pasumalai
SS will be kept opened and earthed. 3)110KV Sakthisugar -Sivaganga Feeder will be in
grid . 4)110KV Alagarkoil - Karaikudi Feeder will be radial from Karaikudi upto
Narasingampatti SS. 5) At Narasingampatti SS the switch towards Alagarkoil will be kept
open. 6) 110/33-11KV Villapuram SS will be under Shutdown. 7)Concurrence obtained
from SE/Metro / Madurai, SE/Madurai and SE/Sivaganga for the above arrangements
POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 14:00 1SUB TO TOTAL
S/DApproved
649 Madurai 230 KV PASUMALAI 230 KV110KV Pasumalai - Alagarkoil -1 # Section
between Avaniyapuram and Vandiyur SS
1) For Stringing the Panther Conductors from Loc
No 33 to 34 2) Providing the jumpers at Loc.33
towards Alagarkoil after replacement of DC Line on
DC Towers with Leopard Conductor into DC Line on
DC Towers with Panther conductor in the section
between from T.Loc 34 to T.Loc 44 by the TLC wing
and normalise the Feeder.
1)110/33-11KV Anupanadi SS will be under Shutdown . 2)110KV Pasumalai - Alagarkoil -
1 feeder will be kept radial from Alagarkoil upto Vandiyur SS 3)110KV Pasumalai -
Alagarkoil -1 feeder will be kept radial from Pasumalai upto Avaniyapuram SS 4)
Concurrence obtained from SE/Metro/ Madurai, SE/Madurai and SE/Sivaganga for the
above arrangements
POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 14:00 1 0 Approved
650 Madurai 110 KV PASUMALAI 230 KV110KV Pasumalai - Sakthi Sugars # Section
between Pasumalai and Uranganpatty
1) For Stringing the Panther Conductors from DP
Loc No 33/2 to DP Loc No 33/1 2) For replacement
of the existing Leopard Conductor by Panther
Conductor from DP Loc No 33/1 to T.Loc 33 3)
Providing the jumpers towards Sakthi Sugars at DP
Loc No 33/1 after the replacement of DC Line on DC
Towers with Leopard Conductor into DC Line on DC
Towers with Panther conductor in the section from
DP Loc No 33/ 2 to T.Loc 44 by the TLC wing and
normalise the Feeder
1) The sakthisugars feeder will be kept fed from Alkl end through 110KV Alagarkoil -
Karaikudi Feeder so as to feed Uranganpatty SS, Nattarmanaglam , Nelmudikarai and
Arasanoor SS upto Sakthisugars. 2) At Uranganpatty SS the switch towards Pasumalai
SS will be kept opened and earthed. 3)110KV Sakthisugar -Sivaganga Feeder will be in
grid .4)110KV Alagarkoil - Karaikudi Feeder will be radial from Karaikudi upto
Narasingampatti SS. 5) At Narasingampatti SS the switch towards Alagarkoil will be kept
open. 6) 110/33-11KV Villapuram SS will be under Shutdown. 7)Concurrence obtained
from SE/Metro / Madurai, SE/Madurai and SE/Sivaganga for the above arrangements
POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 14:00 1 0 Approved
651 Madurai 110 KV KODIKURICHY 230 KV 1)110 KV Kodikuruchi-Veerasigamani# I1) Replacement of defective insulator at location
NO.22 and Tree clearance work
During the lc period: 1 Echantha SS will be FED From Veerasigamani # II by closing of
110KV AB Switch at echantha SS towards Veerasigamani SS.0 Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1 REPEAT Repeat
652 Madurai 230 KV PUGALUR 230 KVAuto transformer II, HV II and LVII
Breaker,CT's and LAS only.For Monthly Maintenance Work
During the L.C Period HVII and LV II are tripped condition. There is no interruption to any
SS. 110KV Velliyanai SS and 110KV Manmangalam SS are proposed total shutdown.
Load contain with in two auto transformer (I & III)
POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1SUB TO LOAD
CODITIONApproved
653 Madurai 230 KV PUGALUR 230 KV230 KV Pugalur - Pudansanthai feeder
Breaker, CT & line entire1. Monthly maintenance work, 2. Line Patrol Work
During the LC period, there will be no supply in 230 KV Pugalur - Pudansanthai feeder
since other end also availing L.C on the same period.POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1
SUB TO LOAD
CONDITIONApproved
654 Madurai 110 KVTUTICORIN -AUTO 230
KVOn 110 KV Northern Bus entire
a) Arni-I feeder switch No.94 alignment work. b)
110KV Arumuganeri -I CT to switch Jumper
changing
No SS will be affected . During the above LC period all 110KV radial feeders will be fed
from 100 MVA Auto Transformer-II. 110KV Arni-I, II, Sipcot-I, II, & III will be kept in Off
condition at Auto SS end and are radial from other end. 110KV Manjalneerkayal SS will
be radialy fed from 110KV Arni-SS. 110KV Vagaikulam SS, 110KV Kombukaranatham
SS and 110KV Town SS will be radily fed from 230KV Sipcot SS.
NOT
POSSIBLESat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1
PROGRAMMED
ALONG WITH
TOTAL S/D
Subject to EE/SLDC/
Madurai approval
655 Erode
GENERATI
NG
STATIONS
LOWER METTUR 3
On Unit I & II complete with their internals
along with Power Transformers, GC Breakers
and Barrage Gates .
To carryout Common Spell AOH works.
common spell AOH LC Approved for 19 days from 15.04.2017 08:00 hrs to 03.05.2017
17:00 hrs a)For drinking water purpose, pondage storage is kept as it is (present level
:172.79m storage:213 mcft ).Total depletion of pondage works will not be carried out
during The common spell AOH Period and the work will be carried out accordingly. b)
During Common spell AOH, Both units will be under shutdown and all the 110kv feeders
Will be in service except one day (Common Bus LC). c) Unit - I is under LC from
26.03.2017 to 14.04.2017 for independent spell AOH as per Schedule approved by
CE/Hydro/Chennai.
possible Sat, 15-Apr-2017 8:00 Tue, 18-Apr-2017 17:00 4
schedule
approved by
director operation
and director
generation
Approved
656 Erode 400 KV Salem 400 KVHV & LV SIDE - ITS ENTIRE
BREAKERS, JUMPERS & SWITCHES
Monthly Maintenance WorkDuring 400/230 KV Auto Transformer II LC Period, 400/230 KV Auto Transformer I will be
in Service Condition. Hence there will be no interruption of supply.possible Sat, 15-Apr-2017 8:00 Sat, 15-Apr-2017 14:00 1
occ approved and
subject to the
other auto tr
laoding limit
Approved
657 Madurai 230 KVCHECKANURANI SW
STATION 230 KV230KV A-Bus Entire For Monthly maintenance works
During the LC period no feeders will be affected,All the 230KV Feeders will be transferred
to B-Bus which is in standby conditionPOSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1 0 Approved
658 Madurai 230 KV VALUTHUR 230 KV 230KV Valuthur - Kavanoor feeder entire. Tree cutting workDuring the LC period evacuation will be done through 230KV Valuthur - Karaikudi and
Alagarkovil feeders.POSSIBLE Sat, 15-Apr-2017 10:00 Sat, 15-Apr-2017 17:00 1 0 Approved
659 Madurai 230 KV KAVANOOR 230 KV
A) 110 KV KAVANOOR-KAMUTHI 400 KV
SS # BR. & C.T. B) 110 KV KAVANOOR-
KAMUTHI # SEC. BET. KAVANOOR &
KAMUTHI (INCLUDING KADALADI SPUR
LINE)
MONTHLY MAINTENANCE WORKS AND LINE
MAINTENANCE WORKS
FEEDER TO BE KEPT RADIAL FROM KAMUTHI 400 KV SS TO KAMUTHI 110 KV SS
INCLUDING KAMUTHI, TAMILPADI. KADALADI TO BE UNDER TOTAL SHUTDOWN;
L.R. 18.6 MW
POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1 0 Approved
660 Madurai 110 KV KAVANOOR 230 KV
110 KV KAVANOOR-KAMUTHI # SEC. BET.
KAMUTHI 110 KV SS TO TAMILPADI 110
KV SS
LINE MAINTENANCE WORKS
FEEDER TO BE KEPT TIED BET. KVNR & KMTHI 400 KV SS. SEC. BET. KMTHI TO
TMPDI WILL BE UNDER LC. TAMILPADI SS LOADS TO BE TRD. TO ANPKM
FEEDING OR TAMILPADI SS TO BE UNDER TOTAL SHUTDOWN; L.R. -8 MW
POSSIBLE Sat, 15-Apr-2017 13:00 Sat, 15-Apr-2017 17:00 1 0 Approved
661 Erode 230 KVPUDHANCHANTHAI 230
KV
230KV Pugalur feeder CB, CTs, CVTs, Wave
Traps and 230KV Switches.For regular maintenance works.
During LC period230KV Unjanai and Deviakurichy feeders will be kept connected to
grid.No supply interruption.possible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1
other feeders will
cater to the loadsApproved
662 Madurai 230 KV KARAIKUDI 230 KVOn a) 110KV DVKT #'r Bkr & Ct's b) 110KV
DVKT # S/B KKDI - Sakkavayal.1)For Monthly Mtc Work.2)Line Replacement work.
During the Lc Period 1) Sakkavayal SS Under TSD 2) DVKT SS will be fed from 110KV
KKDI - VLDR Grid #'r. Hence there will be interruption of Supply.POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1 0 Approved
663 Erode 110 KVPALLAKAPALAYAM 230
KV110KV BKB-I feeder CT,Breaker Monthly maintenance work Radially from other end possible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1
subject to the load
condition existingApproved
664 Madurai
GENERATI
NG
STATIONS
KUTTALAM64 MW GAS TURBINE GENERATOR AND
37 MW STEAM TURBINE GENERATOR
1)TO CARRYOUT OFFLINE WATER WASH
ACTIVITES IN GAS TURBINE. 2)TO ATTEND GAS
TURBINE GENERATOR CURRENT
TRANSFORMER OIL LEAK.
There will be no Generation from KGTPS during the above period and there will be no
supply interruption to any other SS.POSSIBLE Sat, 15-Apr-2017 0:00 Mon, 17-Apr-2017 0:00 3
SUB TO GRID
CONDITIONApproved
665 Madurai 110 KVRENGANATHAPURAM
230 KV
110KV Kovilur - Trichy # Section between
Eriodu and Puthanatham SSTree Cutting Works
During LC period 110KV Kovilur - Trichy # will be radial from Trichy upto Puthanatham
SSIntermediate SS 110KV Eriodu SS and 110KV Palayam SS avail total
shutdown.110KV kovilur - Trichy # radial from kovilur upto 110KV Eriodu SS
POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 16:00 1SUB TO S/D OF
PUDURPALAYAM
Subject to EE/SLDC/
Madurai approval
666 Madurai 230 KV UDAYATHUR 230 KV
1)230KVAuto Tr, HV&LV Br.(2)110kv bus.
(3)110kv Radhapuram fdr,Br, CT
only(4)110kv sankaneri fdr.Br. Ct
Only(5)110kv Samugarengapuram fdr. Br. Ct
only.
1.Maintenance work of 110kv Bus& Auto.Tr.
(2)Introduction of LBB protection in all 110kv br. by
GRT wing /SR.Pudur
1. During the LC period the 110kv Radaapuram SS is proposed to take Total SD on
15.04.2017.from 09.00 to 17.00hrs. (If 110kv Radapuram not taken Lc the ss willbe fed
from 110kv SR.Pudur-Arumuganeri fdrII.) 2) 110kv Navaladi SS willbe fed from 110kv
Sankaneri -Udayathoor feeder of Sankaneri ss. 3)There will be no supply to 110kv
Samugarengapuram 10 (1) SS suzlon SS. Samugarenagpuram ss proposed to avail SD
on 15.04.2017 during the LC period
POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 14:00 1SUB TO WIND
GENApproved
667 Madurai 110 KV THIRUVARUR 230 KV110KV Thiruvarur - Mannargudy Feeder sec
between Thiruvarur and Manarkudi
Line premansoon inspection and Rectification work,
Beaker, CT's and Isolator maintenance work.
During the LC period the 110KV Ullikkottai SS, 110KV Okkanadu Kelaiyur SS & 110KV
Mannargudy SS radially fed from T(K)GTPS Generating station. Hence there will be no
interruption of supply to any other substation.
POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1SUB TO LOAD
CONDITIONApproved
668 Erode 110 KVOTHAKKAL MANDABAM
230 KV
110KV OKM-Sulur # section between 230KV
OKM SS and 110KV Edayarpalayam SS.
for P.M.I works by lines wing and monthly
maintenance works.
During the LC period, (1) 110 KV Peedampally SS loads will be transferred to 230 KV
Arasur SS.(2) Supply interruption to L&T EHT Service.(3) 110KV Edayarpalayam SS
already fed from 110KV OKM-Negamam II feeder of 230KV OKM SS.Hence, No SS will
be affected.
possible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 14:00 1
subject to eht
concurrence and
transfer of loads
Approved
669 Madurai 230 KV SEMBATTY 230 KV110kv SBT - THENI II # Bkr, CTs and sec.
bet. SBT and Nilakkottai SS1. Monthly maintenance work2. Tree cutting work
During the LC period the feeder will be radial from other end upto Nilakottai SS. Hence no
interruption to any SS.POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1 0 Approved
670 Erode 230 KV Udumalpet 400 KV230 KV MYVADI - KADAMPARAI - II
FEEDER BREAKER, CT AND LINE ENTIREMONTHLY MAINTENANCE WORK BOTH END AVAIL LC possible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1
subject to
utilization of
kadamparai
machines
Approved
671 Erode 110 KV DEVIAKURICHI 230 KV110 KV TASPL Feeder( Neyveli Feeder- II)
Breaker and CTs.For Monthly Maintenance work 110 KV Neyveli # II will be kept radial from TS -I end. possible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1
subject to sldc
chennai
concurrence
Approved
672 Chennai 230 KV ARNI 230 KV110KV Arani Link Feeder Breaker and Its
110KV CTs and Line IsolatorFor Monthly Maintenance Work.
During the Period of Shut down the 110KV Arani SS availing Total Shut down. Hence
there will be no interruption of Supply.approved Sat, 15-Apr-2017 09:00 Sat, 15-Apr-2017 14:00 1 0 Approved
673 Chennai 230 KV ARNI 230 KV230/110KV Auto Transformer No I,HV I
Braeker,230KV CTs,110KV LV I Breaker
For Monthly maintenance work, HV I Breaker
Monthly Maintenance work, 230 KV CTs and 230KV
Isolators Bolt Nuts replacement work
During the period of shutdown,the 110KV Arani SS ( 55 MW)availing Total Shut down.
The Auto Transformer II & III will cater the station Loads. Hence there will be no
interruption of Supply
approved Sat, 15-Apr-2017 09:00 Sat, 15-Apr-2017 14:00 1 0 Approved
674 Chennai 230 KV ARNI 230 KV110 KV Arani-Kancheepuram Feeder,
Breaker,110KV CTs Line Isolator
Monthly Maintenance work, CT Clamp, and Bolt
Nuts replacement work.
During the Period of Shut down the 110KV Vembakkam SS availing Total Shut down.
110KV Mangal SS loads will be transferred to 400KV S.V.Chattiram through 110KV
Kancheepuram SS. Hence there will be no interruption of Supply.
approved Sat, 15-Apr-2017 09:00 Sat, 15-Apr-2017 14:00 1 0 Approved
675 Erode 230 KV THINGALUR 230 KVAuto Transformer II,HV II & LVII Breaker with
CTS.Monthly Maintenance. 110KV Erode SS Availing TSD. possible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 14:00 1
subject to the
other auto tr
loading limit
Approved
676 Erode 110 KV THUDIALUR 230 KV 110KV Bus coupler Br & CTs For monthly mtce works Auto Transformer I & II parallel switch will be closed possible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 14:00 1parallel switch to
be closedApproved
677 Erode 110 KV PONNAPURAM 230 KV
110KV Ponnapuram - Pethapampatty #
breaker & CTsand Line upto s/s of
Kottamangalam S.S.
FOR MONTHLY MAINTENANCE WORKS.
1.110KV PETHAPPAMPATTI FEEDER WILL BE KEPT RADIAL FROM 230KV UDT
S.S./110KV UDT-PNPM FEEDER UPTO KOTTAMANGALAM S.S.2.HENCE NO S.S.
WILL BE AFFECTED.
possible Sat, 15-Apr-2017 10:00 Sat, 15-Apr-2017 17:00 1
subject to the
feeder being kept
radial from udpt ss
end
Approved
678 Erode 230 KV SINGARAPET 230 KV230 KV Gurubarapally # Breaker, CTs & line
isolators and 230KV North Bus
To carry monthly maintenance work by
AEE/MTC/230 KV SS / SPT
During the LC perioda)230KV Gurubarapally feeder breaker will be in handtrip condition
at both ends since maintenance work programmed at both ends.b)230 KV
Vinnamangalam # breaker, 230 KV Thiruvalam # breaker & 230KV MTPS # Breaker will
be in Handtrip condition at Singarapet end and radial from other end. c) 230 KV BC
breaker will be in off condition.d) 230 KV Salem #, 230 KV Tiruvannamalai #, 230 KV Arni
# will be in service. (Now the 230KV Arani # is radial condition from Singarapet end, if
necessary the 230KV Arani # may be tied at Arani SS end to manage the Singarapet SS
loads)e) 230 KV GC Breaker, 3 nos of Auto transformers and all 110 KV feeders will be in
service, hence no interruption of supply.
1. possible 2.
postponedSat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1
1. other feeders
will cater to the
loads; 2. north bus
lc issue would
overload the 230
kv
vinnamangalam to
shoolagiri feeder
Approved Subject to
EE/SLDC approval
679 Erode 110 KV ARASUR 230 KVBreaker and Its CTs.
For Monthly maintenance work.Karuvalur SS.
possible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 12:00 1
subject to the
feeder being kept
radial from
karuvalur ss
Approved
680 Erode 110 KV UNJANAI 230 KV110KV Puthansanthai-Pugalur feeder line
entirefor attending strand cut During the LC period the Pugalur SS avaling total LC on the same feeder possible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1
other feeders will
cater to the loadsApproved
681 Erode 230 KV SALEM AUTO 230 KV100MVA Auto Transformer-I, HVI, LVI
Breakers & their CTsMonthly Maintenance work.
2Nos. 100 MVA Auto Transformer-II & III will be in service and adequate to share the
loads. There will be no interruption to any other SS or feeder.possible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
682 Erode 110 KV INGUR 230 KV110KV Ponnapuram # I Breaker, CTs,
,Isolators and Line side IsolatorMONTHLY MAINTENANCE WORKS DEPENDING UPON LOAD CONDITION possible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 14:00 1
subject to the wind
generation support
being available
Approved
683 Erode 230 KV INGUR 230 KVAutotransformer I and its HV & LV I Breakers
MONTHLY MAINTENANCE WORKS 1.Kangeyam SS Total Shutdown- 40 MW2.DEPENDING UPON LOAD CONDITION possible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 14:00 1
subject to the
other auto trs
loading limit
Approved
684 Chennai 110 KVGUMMIDIPOONDI 230
KV110KV Panjetty feeder bay
Monthly Maintenance work, CT clamp and bolt nuts
replacement workDuring the period of shutdown the 110KV Panjetty SS availing total shut down approved Sat, 15-Apr-2017 10:00 Sat, 15-Apr-2017 17:00 1 0 Approved
685 Madurai 110 KV THANJAVUR 230 KV110 KV Thanjavur - Alundur feeder, breaker,
CT & LI.
1) For monthly maintenance works by the
AEE/Mtce/Thanjavur,2) For carrying out premonsoon
inspection & rectification works by the
AEE/Lines/Thanjavur.
During the LC period,1) this feeder will be radial from Alundur 230 KV SS upto Thuvakudi
110 KV SS,2) all other 110 KV feeders will be in tied condition,3) concurrence has been
obtained from Alundur 230 KV SS for radial feeding,4) 110 KV Thuvakudi &
Thiruverambur SS will avail shutdown on the same day,5) no supply interruption to any
SS.
POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1SUB TO LOAD
CONDITIONApproved
686 Erode 110 KV SALEM AUTO 230 KV
110KV Deviakurichi-Neveli(TASPL) II
Feeder(section Between Deviakurichi 230KV
SS -Vappur 110KV SS)
Road & Railway crossing jumpers checking.
1)230KV Deviakurichi-Neveli(TASPL) II Feeder breaker & CT's Maintenance availing
Deviakurichi SS.2)Chennasalem 110KV SS supply availing Deviakurichi-Neveli I Feeder
2)110KV Deviakurichi-Neveli(TASPL) Feeder series switch at Vappur 110KV SS towards
Deviakurichi side will be Kept Opened.3)There will be no interruption of supply to any SS.
possible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1
subject to sldc
chennai
concurrence
Approved
687 Erode 230 KV PALLADAM 230 KV230 KV Palladam - PGCIL feeder
breaker,CT's and Line isolator with entire Line
1) To carryout Maintenance in the equipment's by
AEE/Maintenance/Palladam2) To carryout
Premonsoon inspection in the line by
AEE/Lines/Palladam3) To make LILO arrangements
to the newly erected line for 230 KV Tiroppur SS by
AEE/TLC/Palladam4) To carryout Relay testing by
AEE/P&C/Palladam
During LC period 1) Other 2 Nos 230 KV feeders will be in service2) OCC approval
obtained3) No other sub station will be affectedpossible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1
occ approved and
subject to the load
condition existing
Approved
688 Erode 110 KV PALLADAM 230 KV
110 KV palladam - Santhaipettai feeder
breaker,CT's and Line side isolator with entire
Line
1) To carryout Monthly maintenance works on
equipments by AEE/Maintenance/palladam2) To
carryout Premonsoon inspection on line by
AEE/Lines/Palladam
During LC period 1) 110 KV Santhaipettai SS and 110 KV Arulpuram SS availing total
shut down2) No other sub Station will be affectedpossible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 15:00 1
subject to
santhaipettai ss
and arulpuram ss
availing tsd
Approved
689 Chennai 230 KVTHIRUVANNAMALAI 230
KV
1. Autotransformer - I, Breaker, CT's and
LAS2. 110 KV Eastern bus and 3. 110 KV
Bus section breaker & CT's only
Monthly maintenance work
During the period of L/C time,1. 110 KV Samuthiram SS availing total S/D,2. 110 KV
Tiruvannamalai SS will be fed from 110 KV T.V.Malai - Villupuram #,3. 110 KV Kanji
feeder loads (Kanji SS, Adamangalam SS & Solar Generation) will be radially fed from
230 Kv Arni Substation.4. Autotransformer - I will be OFF condition,5. 110 KV Bussection
Breaker will be OFF condition6. Autotransformer - II will be in service and cater the
station loads. Hence there is no interruption of supply please.
approved Sat, 15-Apr-2017 09:00 Sat, 15-Apr-2017 17:00 1 0 Approved
690 Erode
GENERATI
NG
STATIONS
PYKARA UNIT 5 FOR MONTHLY MAINTENANCE WORK NIL possible Sat, 15-Apr-2017 8:00 Sat, 15-Apr-2017 17:00 1other units will be
availableApproved
691 Chennai 110 KV CUDDALORE 230 KV110 KV Cuddalore - Nathapattu # breaker
For monthly maintenance works
Durind the period of LC The 110 KV Nathapattu SS will be availing total shutdown. And
Feeder. Hence no interruption of supply. Hence NO Interruption of SupplyConcurrence
obtained from SE/O/Villupuram
approved Sat, 15-Apr-2017 09:00 Sat, 15-Apr-2017 17:00 1 0 Approved
692 Chennai 230 KV CUDDALORE 230 KV
GCC Wing work - For the existing 230 KV SC line of
Neyveli TS-I to Eachangadu feeder from Loc. No 16
to Loc. 134 for replacing the existing balance aged
Kundha conductors by Zebra conductors. Lc period
from 15.04.2017 to 28.04.2017(14 days)
Durind the period of LC 230 KV Eachangadu SS will be fed from 230 KV Samyapuram
feeder from Trichy end. During the period of LC the loads of 110 KV Vridhachalam Ss and
Pennadam SS are to be transferred to the 110 KV Neyveli -deviakurichi II feeder.Hence
NO Interruption of SupplyConcurrence obtained from SE/O/Villupuram
approved Sat, 15-Apr-2017 09:00 Tue, 18-Apr-2017 17:00 4 0To be finalized
during April end
693 Chennai 110 KV THIRUVALAM 230 KVentire.
For EHT Line Maintenance Works230 KV Thiruvalam SS to 110 KV Pakkam SS.ii. 110 KV Vaduganthangal SS of
VEDC/Vellore and 110KV Pakkam SS of TEDC/Thirupattur are availing total
Shutdown.Hence there will be no interruption of supply please.
approved Sat, 15-Apr-2017 09:00 Sat, 15-Apr-2017 14:00 1 0 Approved
694 Chennai 230 KV THIRUVALAM 230 KV
Breakers and its Cts., for fixing of Differential
relay by GRT Wing /Thiruvalam and monthly
maintenance work.ii) On 110KV Gudiyattam
O/L & E/L Relay in 110KV Gudiyattam
Feeder and monthly maintenance work
i)For fixing of Differential relay in Auto Tr-I AND
O/L&E/L Relay in 110KV Gudiyattam Feeder by
GRT Wing /Thiruvalam and monthly maintenance
work.
During the period of LC i) The 110KV Katpadi SS, 110KV Vaduganthangal SS, OF
VEDC/Vellore and 110KV Pakkam SS of TEDC/Thirupattur are availing Total Shutdown
on 15.04.2017. The Total Shutdown approved and concurrence obtained by Chief
Link-I # and 230KV Mosur feeders will be in service and cater the SS Loads. Hence there
will be no interruption of supply please.
approved Sat, 15-Apr-2017 09:00 Sat, 15-Apr-2017 17:00 1 0 Approved
695 Chennai 110 KV Ulundurpet 230 KV 110 KV Ulundurpet feeder. Total shutdown maintenance work.
Ulundurpet 110KV SS Total shutdown maintenance work.It is proposed to to avail line
clear and 230 KV TS II(Gen)-Ulundurpet feeder for carrying out the reley test by
GRT/Villupuram. So, on this day Ulundurpet auto ss load roughly 50 MW meet out by
auto ss Villupuram.
0 Sat, 15-Apr-2017 09:00 Sat, 15-Apr-2017 17:00 1 possible Approved
696 Chennai 110 KV MOSUR 230 KV For attending Monthly Maintenance work.
The 110 KV Thiruvallur SS (32 MW) Availing Total shut down works .2). The remaining
110 KV Kadambattur SS (10 MW ) Loads will be transferred to 110 KV Thiruttani feeder
Kakkalur SS Load (18 MW) transferred to 110 KV Avadi Grid SS Hence there will be no
interruption of supply please.. 7) Approved by : SE / O / TVLM.
approved Sat, 15-Apr-2017 09:00 Sat, 15-Apr-2017 14:00 1 0 Approved
697 Chennai 230 KV MOSUR 230 KVAUTO TRANSFORMER NO-IV, HV -IV , LV-
IV, CT'S AND LAS only.For attending Monthly Maintenance work.
the 110 KV Thiruvallur SS availing Total Shutdown work. 2)Auto Transformers I,II,&III are
in service condition 3) Hence there will be no interruption of supply please..approved Sat, 15-Apr-2017 09:00 Sat, 15-Apr-2017 17:00 1 0 Approved
698 Madurai 110 KVANUPPANKULAM 230
KV110 KV Northern side CT Monthly maintenance work
During the LC Period the 110 KV Anuppankulam SS will be availing total shut down.
Hence no SS will be affected.POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 14:00 1 0 Approved
699 Madurai 110 KVANUPPANKULAM 230
KV110 KV Northern side bus
For replacement of damaged moving contacts in Y
and B phases of bus side isolator No. 13 - 29 A (
Rajapalayam - I feeder) and lubrication and jumper
tightness of isolator switches work.
During the LC period 110 KV Bus coupler isolator 2 - 29 B will be opend. 110 KV PPTY
SS, APKM SS, TTL SS, APK SS & VNR SS under total shut down. 110 KV APKM - RJPM
- I feeder load will be transfer to 110 KV NNPT - ALGM feeder. RJPM - II feeder radially
fed from other end. 110 KV T.Kallupatti feeder load will be fed from 110 KV APKM -
Madurai feeder through 110 KV T. Kallupatti SS. 110 KV Capacitor Bank Br. will be Hand
Tripped Condition. Auto Tr. I, HV I , LV I BR. will be in tripped condition. Hence no SS will
be affected.
POSSIBLE Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1
SUB TO
PASUMALAI
AUTO LOADING
Approved
700 Chennai 110 KV VILLUPURAM 230 KV 110KV Capacitor Bank-I For monthly maintenance works Capacitor bank-II will be in service 0 Sat, 15-Apr-2017 09:00 Sat, 15-Apr-2017 17:00 1 0Concurrence from
SE/O
701 Chennai 110 KV Villapuram 110 KV 110 KV GC Breaker Breaker & CT maintenance works The Villupuram SS availing total shut down for maint,wroks. approved Sat, 15-Apr-2017 09:00 Sat, 15-Apr-2017 17:00 1 0 Approved
702 Erode 230 KVGURUPARAPALLI 230
KV230KV Singarapet Feeder breaker
Monthly maintenance workin 230KV Singarapet
feeder breaker & isolators
230KV Singarapet feeder breaker will be hand tripped and Bus side & Line side isolators
will be opened. Concurrence obtained from SE/O/Thiruvalam & SE/KEDC/Krishnagiripossible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 14:00 1
other feeders will
cater to the loadsApproved
703 Chennai 110 KV
BASIN
BRIDGE(GMRVASAVI)
230 KV
110 KV High Court #Annual Realy test by GRT / Metro / Chennai and
Routine maintenance work.
110 KV High court # will not be in serviece, all other 110 KV #s , 230 KV #s, Auto Tr 1,2,3
will be in service.0 Sat, 15-Apr-2017 09:00 Sat, 15-Apr-2017 17:00 1
possible 11;00 to
15;00hrsNot approved
704 Chennai 230 KV ACHRAPAKKAM 230 KV 100 MVA AUTO TR.II FOR MONTHLY MAINTENANCE WORK1.100 MVA AUTO TR.I & III Will be inservice cater the entire ss loads 2.110 kv s p koil#
and Korattur-II # Will be radial from other endapproved Sat, 15-Apr-2017 09:00 Sat, 15-Apr-2017 12:00 1 0 Approved
705 Erode 110 KV KUNDAH PH3 110KV KPH2 to Tudiyalur 1 Feeder
110KV KPH2 to Tudiyalur 1 Feeder Tower No: 01 to
14. Pre-Monsoon Inspection work(PMI) and
Maintenance work.
Bus and Line both end open condition Earth switch closed condition. postponed Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 17:00 1to be scheduled
on a sunday
Subject to
EE/SLDC/Erode
approval
706 Chennai 110 KV KITS 230 KV 110KV Eastern bus For bus maintenance works
During the above shutdown period ;1.80MVA Auto transformer II will be in OFF
condition2.10MVA Power transformer -IV will be in OFF condition3.110KV Perumbakkam
II # loads will be transferred to Perumbakkam I #4.110KV HCL & WIPRO # will be in OFF
condition(HT consumers ) will be asked to go on DG sets110KV Buscoupler I will be in
OFF condition
approved Sat, 15-Apr-2017 07:00 Sat, 15-Apr-2017 15:00 1 0 Approved
707 Erode 110 KV INGUR 230 KV 110 KV Erode-Elumathur # entireTO TIGHTENING THE BOLT & NUTS IN JUMPER
AT LOCATION NO : 1 at Erode 110 KV SS
1.No SS will be affected during LC period. 2. 110 KV Kaspapettai SS has been
programmed total shut down on 15.04.2017 3.110 KV Elumathur SS supply can be fed
from Pugalur 230 KV SS
possible Sat, 15-Apr-2017 9:00 Sat, 15-Apr-2017 14:00 1
subject to the
feederbeing kept
radial from
pugalur ss end
Approved
708 Chennai 230 KV Orgadam 230 kV Auto Transformer I & II MONTHLY MAINTENANCE WORK Total Shutdown Possible Sat, 15-Apr-2017 09:00 Sat, 15-Apr-2017 17:00 1 0 Approved
709 Madurai 110 KV SRPUDUR 230 KV KDR PH I and KDR PH II Link feeder Tree clearance workDuring the LC period the 110 KV KDR PH I will be avail total shut down as approved by
EE/PHS/KDR. Hence no ss will be affected.POSSIBLE Sun, 16-Apr-2017 0:00 Sun, 16-Apr-2017 0:00 1
sub to grid
condiitonApproved
710 Chennai 230 KV KORATTUR 230 KV 100MVA AUTO TRANSFORMER - III General Maintenance work 100MVA Auto Transfomer - I & II will be inservice Possible Sun, 16-Apr-2017 09:00 Sun, 16-Apr-2017 17:00 1subject to load
conditionApproved
711 Madurai
GENERATI
NG
STATIONS
KODAIYAR PH1 GENERATOR UNIT I Exciters monthly maintenance Generator I will be shut down. 0 Sun, 16-Apr-2017 9:00 Sun, 16-Apr-2017 17:00 1
May be
programmed on
sunday
Approved
712 Madurai 110 KV KODAIYAR PH2 110 KV Bus New charger comissiningP.H-I&II will be in shut down condition. Feeder will be radial condition. Hence no SS will
be affected.POSISBLE Sun, 16-Apr-2017 9:00 Sun, 16-Apr-2017 17:00 1
DUE TO KOD 1
GENApproved
713 Erode
GENERATI
NG
STATIONS
LOWER METTUR 1
On Unit - 2 Generator, Turbine and its
internal and auxiliaries with Unit - 2 Power
Transformer complete
Note:From 16.04.2017 to 05.05.2017 (20 Days)For
the Independent Spell Annual Overhauling works of
Unit - 2.
During the L.C period the PWD demand will be met by Unit - 1 and both the 110 kv
Feeders will be inservice (110 kv MDPH # & 110 kv BPH - 2 #)possible Sun, 16-Apr-2017 0:00 Tue, 18-Apr-2017 17:00 3
schedule
approved by
director operation
and director
generation
Approved
714 Erode
GENERATI
NG
STATIONS
KUNDAH PH3 Unit II For monthly maintenance work Unit under shutdown condition , SF6 breaker open condition possible Sun, 16-Apr-2017 8:00 Sun, 16-Apr-2017 17:00 1subject to the grid
condition existingApproved
715 Chennai 230 KV KORATTUR 230 KV 230 KV Thiruverkadu-CMRL feeder Jumper Tightness at various location All other feeder will be in services To be discuss Sun, 16-Apr-2017 08:00 Sun, 16-Apr-2017 16:00 1 0 Approved
716 Chennai 110 KV Sriperumbudur 400 KV 110KV SPR-Mosur-1 feeder and entire line Quarterly maintenance and jumper tightness workDuring the period of shutdown 110kv perambakkam ss load will be transferred to 230kv
mosur ssPossible Sun, 16-Apr-2017 09:00 Sun, 16-Apr-2017 17:00 1 0 Approved
717 Erode 230 KV ARASUR 230 KV
230 Kv Arasur - PGCIL 1 & 2 feeder
Breaker,CTs and line side isolator with line
entire for both Feeders.
For new line rerouting work to M/S Synfra EHT
service from 230 KV Karuvalur SS feeding by
releasing and stringing of 6 No. Zebra conductor in
the existing feederand stringing of 3 Nos. Zebra
conductor and 1 No. OPGW cable in new feeder by
TLC/Mettupalayam wing of GCC/Coimbatore.
During the line clear ,1) Concurrence obtained from 230 KV EHT consumer m/s Synfra
EHT service.2) remaining four numbers 230 KV Feeders will be in service.postponed Sun, 16-Apr-2017 9:00 Sun, 16-Apr-2017 18:00 1
occ approval not
available
Approved subject to
SRLDC approval
718 Erode 230 KV ARASUR 230 KV
230 KV Eastern Bus, 230 Kv PGCIL -I & II
#s,Auto Transformer-I and IV and its
equipments AND 230 KV PT-I
For Annual Maintenance works in 230 KV Eastern
bus entire.
During the line clear ,1)230 KV PGCIL -I & II #s,Auto Transformer-I and IV will be under
Line clear.2)Concurrence obtained from 230 KV EHT consumer m/s Synfra EHT service
for supply interruption.2)Remaining four numbers 230 KV Feeders will be in service.
postponed Sun, 16-Apr-2017 9:00 Sun, 16-Apr-2017 16:00 1
occ approval not
available for the
pgcil feeders and
further two auto
trs will be out of
service
Approved subject to
SRLDC approval
719 Chennai 230 KV MANALI 230 KV 230kv Alamathy-1 feeder1.For jumpering of 230kv OH line and 230kv Cable
point in Alamathy-1 feeder @400kv GIS SS end
a.110kv Panjetty feeder 110 kv Metrowater and 110kv Korattur feeder loads will be
transferred to other endsAfter the LCa.230kv Alamathy-1 feeder will be in service via GIS
bay No-202 and 230kv line switch in Alamathy-1 feeder will be kept open at AIS SS end
To be discuss Sun, 16-Apr-2017 06:00 Sun, 16-Apr-2017 11:00 1 0 To be discuss
720 Erode 230 KV PALLADAM 230 KVAuto Transformer III and its HV ,LV side
breaker ,CT's and LAS
To carryout Monthly maintenance on equipment's by
AEE/Maintenance/Palladam
During LC period 1) other 3 Nos Auto Transformer will be in service2) Sun day holiday
load relief available3) No other sub station will be affectedpossible Sun, 16-Apr-2017 9:00 Sun, 16-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
721 Erode
GENERATI
NG
STATIONS
KUNDAH PH2
UNIT-II GENERATTOR SF6 BREAKER,
POWER TRANSFORMER AND ITS
ACCESSIORIES
FOR MONTHLY MAINTENANCE WORK SF6 BREAKER OFF IN CONDITION TOP AND BOTTOM BUS OPEN IN CONDITION 0 Sun, 16-Apr-2017 9:00 Sun, 16-Apr-2017 17:00 1 Wrong entry Not considered
722 Erode
GENERATI
NG
STATIONS
PUSHEP UNIT 3 MONTHLY MAINTENANCE WORKS UNIT 3 IN SHUTDOWN CONDITION possible Sun, 16-Apr-2017 9:00 Sun, 16-Apr-2017 17:00 1subject to the grid
condition existingApproved
723 Chennai 110 KV MOSUR 230 KV 110 KV SPR Feeder BREAKER & CT;s For attending Monthly maintenance work Tie opened at 230 KV MOSUR SS Possible Sun, 16-Apr-2017 09:00 Sun, 16-Apr-2017 14:00 1 0 Approved
724 Erode
GENERATI
NG
STATIONS
KUNDAH PH1 UNIT NO : 2 FOR MONTHLY MAINTENANCE WORK.. DURING THE LC PERIOD UNIT NO 2 WILL BE UNDER NOT S/B CONDITION.. possible Sun, 16-Apr-2017 8:00 Sun, 16-Apr-2017 17:00 1subject to the grid
condition existingApproved
725 Chennai 110 KV
BASIN
BRIDGE(GMRVASAVI)
230 KV
110 KV Chindadiripet # Routine maintenance work110 KV Chindadiripet # will not be in service, all other 110 KV #S , 230 KV #s , Auto TR
1,2,3 will be in service0 Sun, 16-Apr-2017 09:00 Sun, 16-Apr-2017 17:00 1
Subject to CBD
concurrenceApproved
726 Erode 110 KV KUNDAH PH3 110KV KPH 2 to Thudiyalur 1 Feeder110KV KPH 2 to Thudiyalur Feeder 1 Tower No:16
to 33Bus and Line both end open condition Earth switch closed condition. possible Sun, 16-Apr-2017 9:00 Sun, 16-Apr-2017 17:00 1
subject to the load
condition existingApproved
727 Madurai 110 KV KODAIYAR PH2 110 KV link feeder SF6 breakerMonthly maintenance of 110 KV link feeder SF6
breakerP.H-I will be shut down. POSISBLE Sun, 16-Apr-2017 9:00 Sun, 16-Apr-2017 17:00 1
May be
programmed on
sunday
Approved
728 Madurai
GENERATI
NG
STATIONS
KODAIYAR PH1 GENERATOR UNIT.I, 110KV BUS
A.ELECTRICAL- Monthly maintenance of
1)Gen.Tr.22.2 MVA-4Nos. 2)SF6 unit breaker
3)110KV LAS set 4) 110KV CT&PT 5)110KV line
switch & 6)Back washing of UGB & LGB oil
coolers.B.MECHANICAL- Monthly maintenance of
Governor oil re circulation and Governor oil cooler
back washing.
Generator-I will be shut down. POSISBLE Sun, 16-Apr-2017 9:00 Sun, 16-Apr-2017 17:00 1
May be
programmed on
sunday
Approved
729 Chennai 230 KV SPKoil230 KV 230 KV Kalpakkam feeder 1 Insulator Replacement work Possible Mon, 17-Apr-2017 09:00 Mon, 17-Apr-2017 17:00 1 0 Approved
730 Chennai 230 KV VEERAPURAM 230 KV100 MVA AUTO TRANSFORMER - I&II - One
by oneQuarterly Maintenance&OLTC Oil changing
110 KV Kits park feeder load ( 110 KV Madampakkam SS ) To be transferred to 230 KV
SS Kits parkPossible Mon, 17-Apr-2017 09:00 Mon, 17-Apr-2017 16:00 1 0 Approved
731 Erode 230 KV MTPS MTPS-I to Singarapet Feeder Monthly maintenance works Programmed LC possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1subject to the load
condition existingApproved
732 Madurai 110 KV KODIKURICHY 230 KV
On 110KV Kodikurichi - Kadayanallur-
Nalamanaickampatti # breaker with CT and
Line Isolators.
For Monthly Maintenance work.1.110 KV Achanpudur SS,Kadayanllur SS will be radially fed from 230KV
Nalamanaickampatti SS.2.Hence No SS Will be affectedPOSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1 0 Approved
733 Erode 110 KV THINGALUR 230 KV110KV ERODE 2 feeder Breaker,CTs and
Line IsolatorsMonthly Maintenance Works 110KV GANDHI Nagar SS will be fed from Erode SS. postponed Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1
110 kv erode to
ingur feeder 2 lc
recommended
Subject to
EE/SLDC/Erode
approval
734 Erode 110 KV KUNDAH PH5 110KV PH5 TO PH1 # 1ANNUAL RELAY TEST WORK BY GRT WING
KUNDAH.
DURING THE LC PERIOD THE FEEDER WILL BE RADIALLY FEED FROM OTHER
END.possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1
subject to the load
condition existingApproved
735 Erode 110 KV Erode 110 KV110 KV ERODE - INGUR II FEEDER
BREAKER AND CTMONTHLY MAINTENANCE WORK
DURING LC PERIOD NO SS WILL BE AFFECTED. NECESSARY CONCURRENCE
OBTAINED FROM SE/EEDC/ERODE.possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 14:00 1
subject to the load
condition existingApproved
736 Madurai 230 KV PASUMALAI 230 KV1) 230 KV Pasumalai - Kayathar # BKR,CT
and LI only. 2)Line Entire.a)Maintenance Works of BKR & CT,LI EE / O / 400 KV KYTR has also programmed POSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 14:00 1
After Northern
BUS LC at
Anupankulam
Approved
737 Erode 230 KV ANTHIYUR 230 KV110 KV BARRAGE III FEEDER BREAKER
CT AND LINE SWITCHMONTHLY MAINTENANCE WORKS
DURING THE LC PERIOD 110/22KV CHENNAMPATTI SS WILL AVAIL TOTAL SHUT
DOWN. OTHER END ALSO PROGRAMMED TO AVAIL LC ON THIS FEEDER.NO SS
WILL BE AFFECTED.
possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 15:00 1
subject to
chennampatty ss
availing tsd
Approved
738 Madurai 230 KV SRPUDUR 230 KVOn 100 MVA Auto Tr III, LV III, HV III breaker
& CT only.OLTC oil changing work. During the LC period Auto Tr I & II will be in service. POSSIBLE Mon, 17-Apr-2017 10:00 Mon, 17-Apr-2017 15:00 1 Sub to wind gen. Approved
739 Madurai 110 KV KODIKURICHY 230 KV
110KV Kodikurichi -Tenkasi - Papanasam
feeder section between 110 KV Tenkasi SS -
110 KV Keelapavoor SS (WF)110/33KV)
1)For replacement of defective Insulator at locations
No.25&28,
During LC period, i)110 KV Tenkasi SS, 110 KV Shencottah SS,110kv kadayamSS,
Rastha SS and Papanasam Power House will be fed from 110KV Kodikurichi -Tenkasi -
Papanasam Feeder. ii)110 KV AB switch towards Keelapavoor wind form at Tenkasi will
be kept opened. iii)110 KV Keelapavoor SS (WF)110/33KV) there will be no supply and
availing monthly shutdown.
POSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1 Sub to wind gen. Approved
740 Madurai 230 KV AMUTHAPURAM 230 KV230/33KV Power transformer-2 HV,LV
Breakers with CT's and its 33KV feederMonthly Maintenance Work
1) During the LC period there will be NO supply in P.Tr-2 and its 33KV feeders. 2) If there
is wind generation its 33KV feeders paralleled with other power transformers. 3) No SS
will be affected. 4) Concurrence obtained from SE/NCES/TIN.
POSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1 Sub to wind gen. Approved
741 Madurai 110 KV Alagarkoil230kv110KV ALKL- Karaikudy # section between
melur & thiruppathur SS.For tree clearence work
During the L.C period the feeder will be radial from kkdi up to thiruppathur and radial up
to melur from ALKL further the 110KV Thaniamangalam SS will be under total shutdown.POSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 16:00 1 0 Approved
742 Madurai 110 KVANUPPANKULAM 230
KV
110 KV Anuppankulam- T.Kallupatti
feeder(spur line) section between
Erichanatham to T.Kallupatti SS.
For Tower to Tower inspection and tree cutting work
in various locations.During LC period , there will be no supply interruption. POSSIBLE. Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1
Sub to tranferring
of ASTRO AND
T.Kallupatty to
110PSQ-ANPKM
#
Approved
743 Erode 110 KV LOWER METTUR 3GC and isolator and all 110 KV Feeders.
i) For carrying out AOH works on 110 KV Common
Bus, earth pit, earth resistance measurement works.
ii) For carrying out annual relay test in 110 KV
feeders by AEE / P&C / K.R.THOPPUR.
a)On the same day, 110 KV Chennampatty SS and Koneripatti SS will be Programmed
for availing total shutdown.b)During the LC period, the Unit I and II at BPH 3 will be in
shutdown Condition for AOH Common spell.
possible Mon, 17-Apr-2017 8:00 Mon, 17-Apr-2017 18:00 1subject to the load
condition existingApproved
744 Madurai 230 KVCHECKANURANI SW
STATION 230 KV230KV CKNI-Indbharath Feeder Entire
For Monthly maintenance works and Line
Maintenance worksDuring the LC Period, there will be no supply in the entire feeder. POSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1
Sub to
concurrance from
IND BHARATH
Approved
745 Madurai 230 KV then I 230 KV
230 KV AUTO TRANSFORMER I HV & LV
BREAKER WITH CT,AND 110 KV THENI-
PERIYAR I# ENTIRE LINE.
FOR MONTHLY MAINTENANCE WORK AND
PREMONSOON INSPECTION WORK.
UTHAMAPALAYAM SS LOAD WILL BE TRANSFERRDE TO PERIYAR-THENI II #.NO
SUPPLY TO GAMESA AND REGEN KAMATCHIPURAM WIND SS.POSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 13:00 1
Feeder 1 sub to
concurrance from
wind generator.
Approved
746 Erode 230 KVPUDHANCHANTHAI 230
KV
230KV Bus-B, its PTs, Bus Coupler CB &
CTs.For regular maintenance works.
During LC periodAll 230KV feeders and HV-I & II will be transferred to 230KV Bus-A.Bus
Coupler CB will be hand tripped for LC works in 230KV Bus-B.No supply interruption.possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1
subject to bus A
being in serviceApproved
747 Madurai 230 KV KARAIKUDI 230 KVOn 230/110KV Auto.Tf-2 & its allied
Equipments.For Monthly Mtc Work
During the L.C Period the Auto.Tf-2 Load will be contained other Auto.Tf-1 & 3 hence
there will be No interruption of Supply.POSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1
Sub to load
conditionApproved
748 Madurai 110 KV KARAIKUDI 230 KVOn 110KV KKDI- SVGA # S/B Kallal &
Madaguppatty SS.Line Replacement work.
During the Lc Period 1) 110KV Madagupatty SS & 110KV Kallal SS Under TSD.2)110KV
KKDI- SVGA #'r will be radial upto Madagupatty SS. Hence there will be No interruption of
Supply.
POSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1 Sub to total s/d Approved
749 Erode 230 KV MTPSII 230KV MTPS-I FEEDER GENERAL MAINTENANCE WORKS.
UNIT IN SERVICE. ALL 400KV FEEDERS KARAMADAI-I&II ,PALAVADI-I&II AND ICT-
I&II ARE IN SERVICE. ALL 230KV FEEDERS GOBI,METTUR AUTO SS AND STANDBY
TRANSFORMER EXCEPT THINGALUR FEEDER ARE IN SERVICE.
possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1subject to the load
condition existingApproved
750 Madurai 110 KV THIRUVARUR 230 KV110KV Thiruvarur - T(K)GTPS Express
feeder
Line Premansoon inspection and recfication work,
Breaker, CT's and Isolator maintenance work.During the LC period there will be no interruption of supply to any other substation. POSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1 0 Approved
751 Erode 110 KVOTHAKKAL MANDABAM
230 KV
110 KV OKM-Negamam I Feeder (Breaker,
CT's & Line Switch)
for annual relay testing work by GRT wing and
monthly maintenance works.
During the LC period, 110KV OKM-Negamam I feeder will be kept radial from 110KV
Negamam SS. Hence, No SS will be affected.possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 14:00 1
subject to the
feeder being kept
radial from
negamam ss end
Approved
752 Madurai 230 KV EACHANGADU 230 KV230 KV Eachangadu-samayapuram #,
BREAKER, CT's, &LINE CVTFOR MONTHLY MAINTENANCE WORK
During the above shutdown period the 230 KV Eachangadu ss will be Radially fed from
230 kv Eachangadu- Neyveli TSI #.Samayapuram SS end is also availing LC On that
Day.
POSSIBLE Mon, 17-Apr-2017 10:00 Mon, 17-Apr-2017 17:00 1Sub to Alandur
ICT loadingApproved
753 Madurai 110 KV SEMBATTY 230 KV110KV SBT - PAsumalai# Bkr, CTS and sec.
bet SBT and Achampathu SS1. Monthly maintenance work2. Tree cutting work
During the LC period, Sithargalnatham SS availing total shutdown and the feeder will be
radial from other end upto Achampathu SS. Hence no interruption to any SS.POSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1 0 Approved
754 Madurai 110 KV SEMBATTY 230 KV110KV SBT - Udumalpet # Bkr, CTs and sec.
bet. SBT and Pappampatti SS.11. Monthly maintenance work2. Tree cutting work
During the CL period S.V.Patti SS is availing total shutdown the feeder will be radial from
other end upto Pappampatti SS. Concurrence obtained from other end. Hence no
interruption to any SS.
POSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1Sub to UDPT
concurranceApproved
755 Erode 230 KV Udumalpet 400 KV230 KV MYVADI - UDUMALPET.LINK - II
FEEDER BREAKER, CT AND LINE ENTIRE
MONTHLY MAINTENANCE WORK AND C & R
PANEL REPLACEMENT WORK BY P&CBOTH END AVAIL LC possible Mon, 17-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 4
subject to the load
condition existingApproved
756 Madurai 110 KV KAYATHAR 230 KV110Kv Kayathar-Kodikurchi Feeder Sec b/w
Kayathar &Therkupattifor defective disc replacement at various locations
During the LC period,I.Therkupatti ss will be radially fed from Kodikuruchi-Kanarpatti Tie
feeder Hence No SS affectedPOSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1 Sub to wind gen Approved
757 Erode 110 KV DEVIAKURICHI 230 KV 110 KV Krishnapuram Feeder Breaker ,CTs For Monthly Maintenance work 110 KV Krishnapuram Feeder radial from 230KV SS Perambalur end possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1
subject to the
feeder being kept
radial from
perambalur ss
Approved
758 Chennai 110 KV ARNI 230 KV110KV Arani- Santhavasal Feeder Breaker,
110KV CTs and Line isolator
For Breaker monthly Maintenance work, Breaker
Compressor oil replacement work, Line Isolator and
CT clamp Maintenance work.
During the period of Shut down the 110KV Santhavasal SS availing Total shut down.
Necessary Railway clearance will be obtained.Hence there will be no interruption of
supply.
Possible Mon, 17-Apr-2017 09:00 Mon, 17-Apr-2017 14:00 1
Subject to
concurrence of
Railways
Approved
759 Chennai 230 KV KORATTUR 230 KV 110 KV Alamathy-Periyappalyam feeder Jumper tightness at various location All other feeder will be in services Possible Mon, 17-Apr-2017 09:00 Mon, 17-Apr-2017 17:00 1 0 Approved
760 Erode 110 KV COIMBATORE 230 KV110KV Coimbatore-Arasur Feeder section
between 230 Arasur SS and 110KV Irugur SSPMI Works by AE/Lines Coimbatore
1.There will be no supply to KPR EHT Service.2.Sulur Railway EHT Service will be fed
from 110KV Arasur-Thingalur Feeder.possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 16:00 1
subject to transfer
of loads to 110 kv
arasur to thingalur
feeder
Approved
761 Erode 230 KV UDUMALPET 230 KV230KV MYVADI LINK II FEEDER BREAKER
&LINE ENTIRE
230KV Myvadi- Udt.Link.II Breakers, CTs & Line
entireFor C& R Panel replacement work By P&C
wing
230KV Myvadi- Udt.Link.II Breakers, CTs & Line entireFor C& R Panel replacement work
By P&C wingpossible Mon, 17-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 4
subject to the load
condition existingApproved
762 Erode 110 KV UDUMALPET 230 KV
110 KV RANGANATHAPURAM FEEDER
BREAKER AND LINE SEC BETWEEN UDT
AND MELKARAI PATTY
FOR MONTHLY MAINTENANCE WORKSSEC BETWEEN RANGANATHAPURAM AND MELKARAI PATTY WILL BE FROM
230KVSS RANGANATHAPURAMpossible Mon, 17-Apr-2017 0:00 Mon, 17-Apr-2017 0:00 1
subject to the
feeder being kept
radial from
renganathapuram
ss end
Approved
763 Erode 230 KV METTUR AUTO 230 KV 230 KV MTPS 1-Singarapet entireJumbercone Tightness checking at MTPS 1- in
Singarapet bayProgrammed LC at MTPS 1- on 17.04.2017 possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 14:00 1
subject to the load
condition existingApproved
764 Erode 230 KV SINGARAPET 230 KV 230 KV MTPS # Breaker, CTs & line isolatorsTo carry monthly maintenance work by
AEE/MTC/230 KV SS / SPT
During the LC period both ends Maintenance work programmed and hence no interruption
of supplypossible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 15:00 1
subject to the load
condition existingApproved
765 Madurai 230 KV SAMAYAPURAM 230 KV
230KV SMPM-EACHANGADU #
Breaker,CT's , Line Isolators and entire line
portion.
Monthly Maintenance work, line Patrol work by
AE/Lines/Kallakudy.
1.During the above Shutdown Period 230KV SMPM SS will be radial from 230KV TRICHY
SS . 2.Other end Eachankadu SS also availing LC on that day. 3.Concurrence obtained
from Trichy Auto SS 4. No interruption to any other 110 KV SS.
POSSIBLE Mon, 17-Apr-2017 10:00 Mon, 17-Apr-2017 17:00 1Sub to Alandur
ICT loading
Subject to EE/SLDC/
Madurai approval
766 Madurai 110 KV SANKANERI 230 KV110KV Sankaneri-Udayathur feeder Breaker
CTS&Lineswitches.
For monthly maintenance & GRT Annual Relay
Testing purpose.
During the LC Period 110KV Udayathoor feeder Supply Radially upto NavalladySS.Hence
NO ss will be affected.POSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 14:00 1 Sub to wind gen Approved
767 Erode 110 KV ARASUR 230 KV110 KV Arasur Local SS GCCB and 110 KV
CB-IIIFor Total Shutdown works in Arasur local SS. During the line clear , 110 KV CB-III will be out of service. possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 14:00 1
subject to arasur
ss tsdApproved
768 Madurai 230 KV SRPUDUR 230 KVOn 100 MVA Auto Tr III, LV III, HV III breaker
& CT only.
a.OLTC oil changing work. b.Annual relay testing
workDuring the LC period Auto Tr I & II will be in service. 0 Mon, 17-Apr-2017 10:00 Mon, 17-Apr-2017 15:00 1 Repeat Approved
769 Chennai 230 KV manali230kv 230KV Manali - ETPS Jumper tightness. Tower to Tower inspection. All other feeder in service. Possible Mon, 17-Apr-2017 08:00 Wed, 19-Apr-2017 18:00 3 0 Approved
770 Erode 110 KV SALEM AUTO 230 KV110 KV K.R.Thoppur Feeder -II Breaker CT's
and line Isolators.Monthly Maintenance work.
110 KV K.R.Thoppur feeder - II will be radially fed from other end. 110KV Kandampatty
SS will be availing total shutdown. There will be no interruption to any SS or feeder.possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1
subject to
kandampatty ss
availing tsd
Approved
771 Madurai 230 KV kayathar230kv230KV Madurai feeder Main breaker (202-
52), CT and CVT onlyMonthly Maintenance work
During the LC period there will be no supply in 230KV Madurai feeder Main breaker (202-
52), CT and CVT only. hence no substation affected.POSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1
After Northern
BUS LC at
Anupankulam
Subject to
Normalisation of Bus
LC at Anupankulam
772 Erode 110 KV INGUR 230 KV110KV Erode II # Breaker, CTs, Isolators and
Line side IsolatorMONTHLY MAINTENANCE WORKS DEPENDING UPON LOAD CONDITION possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 14:00 1
subject to the load
condition existingApproved
773 Erode 230 KV INGUR 230 KVAuto Transformer II and its HV & LV Breakers
MONTHLY MAINTENANCE WORKS 1.Ingur SS Total Shutdown- 30 MW2.DEPENDING UPON LOAD CONDITION possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 14:00 1
subject to the
other auto trs
loading limit
Approved
774 Chennai 110 KV MANALI 230 KV 110kv Manali- ETPS-2 feeder
For making T-off arrangement in 110kv cable point,
for linking of feeder to 110 kv GIS bus via GIS
Bay.No-114
a.110kv ETPS-2 feeder tie will be open at Manali and ETPS endsAfter the LC110kv ETPS-
2 feeder will be in service via T-off, Bay.No. 114 of GIS SS.Line switch of 110kv ETPS-2
feeder will be kept normally open at AIS SS end
To be discuss Mon, 17-Apr-2017 10:00 Mon, 17-Apr-2017 17:00 1 0 To be discuss
775 Chennai 110 KV MANALI 230 KV 110kv Korattur feeder
For making T-off arrangement in 110kv cable point,
for linking of feeder to 110 kv GIS bus via GIS
Bay.No-113
a.110kv Korattur feeder loads will be transferred to other endAfter the LC:110kv Korattur
feeder will be in service via T-off, Bay.No. 113 of GIS SS.Line switch of 110kv Korattur
feeder will be kept normally open at AIS SS end
To be discuss Mon, 17-Apr-2017 10:00 Mon, 17-Apr-2017 17:00 1Subject to CBD
concurrenceTo be discuss
776 Madurai 110 KV Punalkulam 110 KV
110 KV Punalkulam - Trichy feeder.(Line
portion between 110 KV Punalkulam SS and
110 KV Veeramarasanpettai SS)
For carrying out premonsoon inspection works by
the AEE/Lines/Thanjavur.
During the LC period,1) this feeder will be radial from 230 KV Trichy SS upto 110 KV
Veeramarasanpettai SS, 2) 110 KV Thanjavur-Punalkulam feeder will be radial from 230
KV Thanjavur SS upto 110 KV Punalkulam SS, 3) concurrence has been obtained from
M/s.SICGILSOL Gases/Pudukudi (formerly Seva Gases) for blink operation,4) no supply
interruption to any SS.
POSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1 0 Approved
777 Erode 230 KV karamadai230KV
i) 230/110KV AUTO II HV & LV Breakers and
CTs. ii) 110KV Karamadai BBPH II feeder
Bkr&CTs.iii) 230KV Karamadai-Kundah PH 3
feeder.iv) 230KV Karamadai-Arasur feeder.
v) 230KV Karamadai-Ingur feeder.
Item no i & ii for monthly mtce works and item no
iii,iv & v for tandelta measurements by AE/Tandelta
For item no.i) 110KV Arasur & Thudialur feeders wiil be fed radially from Arasur &
Thudialur end. ii) Total shutdown availed by Mettupalayam SS. iii-v Lc one after other
availed for Tandelta measurement.
possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1
subject to the
other auto trs
loading limit; for
the tan delta
measurements,
the possible
feeders will be
issued for lc
subject to the load
condition existing
Approved
778 Erode 230 KV KARUVALUR 230 KV110kv Karuvalur - Arash I feeder breaker with
line switch and CT'sFor monthly maintenance work
110kv paduvamplli SS total shutdown 110kv sellampampalyam and 110kv Karuvalur SS
fed from Arash 230kv SS0 Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1 invalid lc Not considered
779 Erode 110 KV KARUVALUR 230 KV110kv Karuvalur - Arasur II feeder breaker
with line switch and CTs
For monthly maintenance work and for PMI by
palladam lines
110kv paduvamplli SS total shutdown and 110kv sellampampalyam SS fed from 230kv
Arasur SS and 110kv Karuvalur SS fed from 110kv Karuvalur - Thekkalur feeder from
230kv Karuvalur SS
possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1
subject to
paduvampalli ss
availing tsd and
transfer of loads
Approved
780 Madurai 110 KV KOVILKALAPAL 110 KV Thiruvarur Express feederReplacement of poor tan delta value CTs with new
CTs.
During the LC period there will be no interruption to any SS. Other end also applied on the
same day.POSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1 0 Approved
781 Erode 110 KV METTUR AUTO 230 KV110KV MDPH Feeder I & MDPH II feeder one
by oneFor Monthly maintenance work
During the 110KV MDPH Feeder I LC period Feeder II will be in service.During the 110KV
MDPH Feeder II LC period Feeder I will be in servicepossible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1
to be availed one
by one subject to
the load condition
Approved
782 Erode 110 KV PYKARA110kv GC BREAKER AND 66KV ENTIRE
BUSFOR MONTHLY MAINTENANCE WORK
66/11KV ATHIPALLI SS, CHERAMBADI SS, GUDALUR SS AND UPPATTI SS WILL
AVAIL TOTAL SHUT DOWN.possible Mon, 17-Apr-2017 8:00 Mon, 17-Apr-2017 17:00 1
subject to tsd
reliefApproved
783 Chennai 110 KV CUDDALORE 230 KVLine side isolator.
For monthly maintenance works
Durind the period of LC The 110 KV Chitharasur SS will be availing total shutdown. And
supply.Hence NO Interruption of SupplyConcurrence obtained from SE/O/Villupuram
Possible Mon, 17-Apr-2017 09:00 Mon, 17-Apr-2017 17:00 1 0 Approved
784 Erode 110 KV ALIYAR 230 KV110KV ALR-SLR FEEDER No-I&II CB,CT
and line entire
1)PMI Work by JE/Lines/Pollachi and quarterly mtce
work2)Tower replacement work at LOC 33 to 36 by
erecting work by AE/TLC/UDT
During the LC period SLR PH all machine under shutdown condition possible Mon, 17-Apr-2017 8:00 Mon, 17-Apr-2017 16:00 1sph machines are
under sdApproved
785 Madurai 110 KVANUPPANKULAM 230
KV
110 KV Capacitor Bank - II Br., CT. and line
switch only.For monthly maintenance work. During the LC period the 110 KV Capacitor Bank - II will be Hand Tripped condition. 0 Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 14:00 1 0 Approved
786 Madurai 230 KVANUPPANKULAM 230
KV
(a) 230KV Northern Bus entire (b) 230KV
APKM - MDU feeder entire.
a)For Removal of dropper jumper of 230KV
Anuppankulam - Madurai feeder ( Augmentation of
100MVA to 160MVA Auto Transformer work) b)
Replacement of flash over disc at Loc no.255.
During the LC period, a) Auto Transformer-I, HV-I, LV-I will be under hand tripped
condition and 230KV Anuppankulam - Madurai feeder and 230KV Anuppankulam -
Kayathar feeder hand tripped condition and Auto Transformer-II & III will be fed from
230KV Anuppankulam-Sterlite source only. b) The entire feeder will be no supply.
POSSIBLE Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 12:00 1Sub to load
conditionApproved
787 Erode 230 KV METTUR AUTO 230 KV 230 kv MTPS 1- singarapet entireJumber cone Tightness checking at MTPS -1 in
Singarapet bayProgrammed lc at MTPS 1-on 17.04.17 0 Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 14:00 1 repeat of 53237 Not considered
788 Erode 110 KV LOWER METTUR 2LMBPH - 3 feeder equipment and its Isolator
and earth switch at LMBPH - 2 / Nerinjipettai
Monthly maintenance work at LMBPH - 3 feeder
equipment and its Isolator and earth switch at
LMBPH - 2 / Nerinjipettai
(i) LMBPH - 3 end will be avail common bus LC on the day.(ii) 110 kV LMBPH - 1 and KR
Thoppur feeder will be in service.(iii) Unit - 1 & 2 stand by condition depending upon the
PWD demand.
possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 15:00 1subject to load
condition existingApproved
789 Erode 110 KV SINGAPURAM 230 KV 110 KV Salem -I Feeder(CT,Breaker) Monthly Maintenance
1.Monthly Maintenance 110 KV Salem -I Feeder will be fed radially from salem
end.2.Auto LC at salem end is on 03.04.2017 & 15.04.2017 & 21.04.2017 only.3.There
will be no interruption to the intermediate SS.
possible Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1
subject to the
feeder being kept
radial from salem
ss end
Approved
790 Erode 110 KV KUNDAH PH3 110KV KPH2 to Thudiyalur 1Feeder110KV KPH2 to Thudiyalur 1Feeder Tower No:34 to
51Bus and Line both end open condition Earth switch closed condition. postponed Mon, 17-Apr-2017 0:00 Mon, 17-Apr-2017 0:00 1
to be scheduled
on a sundayrepeat of 53835
791 Erode 230 KV MTPS MTPS-I to MTPS-II Feeder Monthly maintenance works Programmed LC postponed Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1
to be rescheduled
with mtps stage 3
on 17.04.2017
Approved
792 Erode 230 KV METTUR AUTO 230 KV MTPS 1 - MTPS II- feeder entirejumbercone Tightness work in MTPS 1 Bay structure
at MTPS II endProgrammed LC at MTPS 1 - on 19.04.2017 postponed Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 14:00 1
to be rescheduled
with mtps stage 3
on 17.04.2017
Approved
793 Erode 230 KV MTPS MTPS-I to MTPH Feeder Monthly Maintenance works Programmed LC postponed Mon, 17-Apr-2017 9:00 Mon, 17-Apr-2017 17:00 1other feeders
would overload
Subject to
EE/SLDC/Erode
approval
794 Chennai 110 KV SPKoil lines 110 KV Acharapakkam feeder 1 Quertaly maintenance work Possible Tue, 18-Apr-2017 10:00 Tue, 18-Apr-2017 17:00 1 approved Approved
795 Erode 230 KV THINGALUR 230 KV230KV INGUR feeder breaker,CTs and Line
IsolatorsMonthly Maintenance Works Other end also availing LC postponed Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1
230 kv salem to
mtps feeder lc
recommended
Approved
796 Erode 230 KV UNJANAI 230 KV1. 230KV & 110KV BUS SECTION
BREAKER ,CT'S ONLYFOR MONTHLY MAINTENANCE WORK
DURING THE L.C PERIOD,1.AUTO TRNO :I LOADS WILL BE FED BY SALEM 400KV
230KV FEEDER AND AUTO TR NO:II WILL BE FED BY P.CHANTHAI FEEDER.2.
NALLUR AND JEDARPALAYAM 110KVSS LOADS WILL BE BY P.CHANTHAI 230KVSS.
postponed Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1equal division of
loads not feasible
Subject to
EE/SLDC/Erode
approval
797 Erode 230 KV INGUR 230 KV and Line side Isolator and 230 KV main Bus
& Auxillary Bus switch
MONTHLY MAINTENANCE WORKS AND ALSO
NEW LAS ERECTION WORKOTHER END ALSO LC AVAIL ON THAT DAY postponed Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 14:00 1
230 kv salem to
mtps feeder lc
recommended
Approved
798 Madurai 110 KV THIRUVARUR 230 KV
110KV T(K)GTPS - THIRUVARUR FEEDER
(VIA: 110KV ULLIKKOTTAI SS, 110KV
OKKANADU KEELAIYUR SS & 110KV
MANNARGUDI SS), LINE PORTION
BETWEEN 110KV OKKANADU KEELAIYUR
SS TO 110KV MANNARGUDI SS.
FOR PREMONSOON INSPECTION WORK BY
AE/LINES/ PATTUKKOTTAI.
1) DURING THE LC PERIOD 110/11KV OKKANADU KEELAIYUR SS, 110KV
ULLIKKOTTAI SS RADIALLY FED FROM T(K)GTPS AND 110KV MANNARGUDI SS
RADIALLY FED FROM 230KV THIRUVARUR. 2) NO INTERRUPTION TO ANY
SUBSTATION.
POSISBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1
DUE TO SEC BW
TVR AND
Mannarkudi LC
Approved
799 Madurai 110 KV ABANPapanasam-KYTR# (tied with kodikurichi
ss)Breaker with CTFor carry out monthly maintenance work
Present PWd Demand is 200C/S.During the LC period, the Papanasam-KYTR# (tied with
kodikurichi ss) will be radial from other end and 110KV PPM-O.T patti# will be in service.
Hence no ss will be affected please.
POSSIBLE Tue, 18-Apr-2017 10:00 Tue, 18-Apr-2017 12:00 1To be tied with
KayatharApproved
800 Madurai 230 KV VEERANAM 230 KVPower transformer -III,HVBR-III,LVBR-III &
33KV Feeders of Micon-I,Micon-II,Micon-VIQuarterly & Monthly maintenance work
During the lc period there will be no supply in entire Power transformer -III & 33kv feeders
and concurrence obtained from SE/NCES/TIN.POSSIBLE Tue, 18-Apr-2017 10:00 Tue, 18-Apr-2017 17:00 1 sub to wind gen Approved
801 Madurai 230 KV KAYATHAR 230 KVOn 230KV Kayathar - TTPS-I feeder breaker
with CT & entire line
a)For monthly maintenance work. b) Tower to tower
inspection workDuring the LC period, there will be no supply in the entire feeder. Hence no SS affected. POSSIBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1 Sub to TTPS gen Approved
802 Madurai 230 KV KAYATHAR 230 KVOn 230KV Kayathar - TTPS-II feeder breaker
with CT & entire line
a) For Monthly Maintenance work b) Tower to tower
inspection workDuring the LC period, Other end also availing the LC. Hence no SS affected. POSSIBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1 Sub to TTPS gen. Approved
803 Chennai 400 KVSunguvarchatram 400
KV400KV BUS-2 Entire Monthly maintenance work
During the LC Period 1.400KV Bus-2 in OFF condition,2.400KV SPR Feeder breaker and
400KV NCTPS-Stg 2-feeder-1 breaker in trip condition, Supply will feed through Tie-1 and
Tie-2 Breakers Respectively3.Alamathi-2 feeder 1 in OFF condition,5.HV-2 Breaker and
HV-4 Breaker in Trip condition,supply will feed through Tie-3 and Tie-4 for Auto
Transformers 2&4.
Possible OCC
Appd. 129/173Tue, 18-Apr-2017 09:00 Tue, 18-Apr-2017 17:00 1 0 Approved
804 Erode 110 KV KUNDAH PH5 110KV PH5 TO PH1#2ANNUAL RELAY TEST WORK BY GRT WING
KUNDAH
DURING THE ABOVE LC PERIOD THE FEEDER WILL BE RADIALLY FEED FROM
OTHER END..possible Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1
subject to the
feeder being kept
radial from the
other end
Approved
805 Erode 110 KV Erode 110 KV110 KV CAPACITOR BANK II BREAKER,CT
AND ITS CELLSMONTHLY MAINTENANCE WORK
DURING LC PERIOD NO SS WILL BE AFFECTED. NECESSARY CONCURRENCE
OBTAINED FROM SE/EEDC/ERODE.approved Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 14:00 1
subject to the
voltage profile in
the grid
Approved
806 Erode 110 KV ANTHIYUR 230 KV110KV Anthiyur-Barrage PH-III feeder
breaker and CT only.For monthly maintenance of Breaker and CT
During the LC period 110KV Anthiyur-Barrage PH-III feeder will be kept in radial condition
from Barrage PH-III end.Hence no SS will be affected.postponed Tue, 18-Apr-2017 0:00 Tue, 18-Apr-2017 0:00 1
llc already applied
for 17.04.2017
Subject to
EE/SLDC/Erode
approval
807 Madurai 110 KV PASUMALAI 230 KV110 KV Pasumalai - Kinnimangalam (Theni)
# - I BKR & CT,LI only.Maintenance Works of BKR & CT,LI EE / O / Kinnimangalam has also programmed POSSIBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 14:00 1
Sub to Pasumalai
Auto LoadApproved
808 Madurai 110 KV KODIKURICHY 230 KV
On 110KV Kodikurichi-Alangulam-
Kannarpatty # section between
110KVKeelapavoor SS - 110 KV
Keelaveeranam SS- 110KV Alangulam SS
(i)For Replacement of defective Disc at location
No:4, and rectification of Jumper Bolt at loc No : 17
A & 20
During LC period, POSSIBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1 Sub to wind gen. Approved
809 Erode 110 KV GOBI 230 KV110 KV KAVUNDAPADI FEEDER BREAKER
AND CT'S WITH LINE SWITCHFOR MONTHLY MAINTENANCE WORK
SUPLY TO 110 KV KAVUNDAPADI SS MAY FED FROM 230 KV THINGALUR SS,NO
OTHER SS WILL AFFECTEDpossible Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1
subject to the
feeder being kept
radial from
thingalur ss end
Approved
810 Madurai 230 KV PUGALUR 230 KVAuto transformer III, HV III and LV III
Breaker,CT's andLAS only.For Monthly maintenance Work .
During the L.C Period HV III and LV III are tripped condition.110KV Veppampalayam SS
and 110KV Thanthonimalai SS are proposed total shutdown.There is no interruption to
any SS.load contain with in two auto transformer(I &II)
POSSIBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1Sub to load
conditionApproved
811 Erode 110 KV UNJANAI 230 KV
1. 110KV UNJANAI -NALLUR 110KV
FEEDER BREAKER, CT'S AND LINESIDE
ISOLATOR ONLY.2. 110KV UNJANAI -
T.GODE FEEDER BREAKER, CT'S AND
LINESIDE ISOLATOR ONLY.3. AUTTO TR
NO :II AND IT'S BREKER & CT'S ONLY.
FOR MONTHLY MAINTENANCE WORK AND GRT
ANNUAL RELAY TESTING WORK IN AUTO TR NO
:II AND IT'S DUE FROM 12/2016
1. NALLUR AND T.GODE 110KVSS AVAILING TOTAL SHUTDOWN2. AUTO TR NO :I
WILL CATER THE STATION LOADS.possible Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1
subject to the tsd
being realizedApproved
812 Madurai 230 KV Alagarkoil230kv100MVA AUTO II ,HV,LV BREAKER
,CT&LAS onlyfor monthly maintenance work
During the L.C period another one 100MVA AUTO I will be service further 110KV
THIRUPPALAI ,& Samayanallur SS will be under total shutdown, further if necessary the
110KV ALKL-SMPTY 2 # Tie will be opened at ALKL end,hence there will be no
interruption of supply please.
POSSIBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 12:00 1Sub to load
conditionApproved
813 Madurai 110 KV ALAGARKOIL 230 KV 110KV ALKL-PSQ 2 # breaker with CT only for monthly maintenance work
During the L.C period the feeder will be radial frompasumalai end further thiruppalai SS
will be under total shutdown, hENCE THERE WILL BE NO INTERRUPTION OF SUPPLY
PLEASE.
POSSIBLE Tue, 18-Apr-2017 12:00 Tue, 18-Apr-2017 15:00 1Sub to Pasumalai
Auto LoadingApproved
814 Madurai 110 KVCHECKANURANI SW
STATION 230 KV
110 KV Kinnimangalam- Theni - II feeder
section between Kinnimangalam to
Kanavillaku SS.
For tower to tower inspection and Tree cutting work
in various location.
During the LC period, The 110 KV Aundipatti SS Load transferred to 110 KV
Kinnimangalam- Theni - I # and Elumalai 110 KV Ss and Chinnakattalai 110 KV SS
availing total shut down. Hence , There is no supply interruption at any other ss.
POSSIBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1 0 Approved
815 Madurai 230 KV VALUTHUR 230 KV Auto Transformer III.For attending Auto Transformer III HV,LV breakers,
it's CT's and isolators Monthly maintenance work.During the LC period Auto Transformer I & II will be in service POSSIBLE Tue, 18-Apr-2017 10:00 Tue, 18-Apr-2017 17:00 1 0 Approved
816 Madurai 230 KVNALLAPPANAYAKANPA
TTY 230 KV
230KV/110KV AUTO TRANSFORMER-I,HV-I
BREAKER WITH C.T,LV-I BREAKER WITH
C.T,110KV ALANGULAM FEEDER
BREAKER WITH C.T & 110KV
RAJAPALAYAM FEEDER BREAKER WITH
C.T
FOR MONTHLY MAINTENANCE WORK
DURING THE L.C PERIOD 110KV ALANGULAM,110KV RADDIAPATTI AND 110KV
RAJAPALAYAM SS WILL BE AVAILING TOTAL SHUT-DOWN ON THAT DAY.NO SS
WILL BE AFFECTED.
POSSIBLE Tue, 18-Apr-2017 10:00 Tue, 18-Apr-2017 17:00 1 Sub to total s/d Approved
817 Madurai 230 KV then I 230 KV230 KV AUTO TRANSFORMER III HV& LV
BREAKER WITH CT.FOR MONTHLY MAINTENANCE WORK.
MONTHLY MAINTENANCE WORK.THE STATION LOAD WILL BE MANAGED OTHER
TOW AUTO TRANSFORMERS.POSSIBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 13:00 1 0 Approved
818 Madurai 230 KV kinnimangalam 230 KV 110KV KNMLM - PSQ 1 # Monthly maintenance works for breaker and CT There will be no supply in the entire feeder POSSIBLE Tue, 18-Apr-2017 14:00 Tue, 18-Apr-2017 17:00 1Sub to Pasumalai
Auto LoadApproved
819 Madurai 110 KV kinnimangalam 230 KV 110KV KNMLM -THENI II Monthly maintenance works for Breaker and CT
The feeder will be radial from theni SS upto Ganavilakkuu SS. Andipatty SS will change
over to Theni I feeder,110KV Chinnakatalai,Elumalai SS availing total shutdown. Line LC
also programmed by Lines /Ckni on Theni II # section between kanavilakku SS and
KNMLM.
POSSIBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1 0 Approved
820 Madurai 110 KV then I 230 KV
110KV THENI-KINNIMANGALAM II #
SECTION BETWEEN K.VILAKKU SS AND
KINNIMANGALAM SS
LINE MONTHLY MAINTENANCE AND
PREMONSOON INSPECTION WORKS
DURING THE LC PERIOD 110KV K.VILAKKU , CHINNAKATTALAI,ELUMALAI SS WILL
BE UNDER SHUTDOWN AND 110KV ANDIPATTY LOADS MAY BE TRANSFER TO
110KV THENI- KINNIMANGALAM I FEEDER
POSSIBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1 0 Approved
821 Erode 110 KVPALLAKAPALAYAM 230
KV110KV Bus Coupler CT,Breaker Monthly maintenance work
Auto Transformer-1 will be manage 110KV BKB-1# and Sankar-I# Load and Auto
Transformer -II will be manage The 110KV Sankari-II#,Barrage-IV # and Thevur # loadpossible Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1
subject to the
division of loadsApproved
822 Madurai 110 KVRENGANATHAPURAM
230 KV110KV RNPM - SBT III # Br,CT's Monthly Maintenance works
During LC period the feeder will be radial fed from SBT upto RNPM SSIntermediate SS
110KV Vedasandur SS Avail total shutdown.POSSIBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 14:00 1 0 Approved
823 Madurai 110 KV TRICHY 230 KV CTs , line isolator and line portion between
230 KV, Trichy SS and 110 KV Mathur SS.
a) For monthly maintenance works. b) Pre monsoon
inspection
During the LC period , a) 110KV Trichy - Punalkulam feeder will be radially fed from
Punalkulam 110 KV Grid SS upto 110KV Mathur SS. b) 110 KV Punalkulam feeder line
switch at 110 KV Mathur SS towards 230 KV Trichy SS will be kept open. c) 110KV
Mathur SS also availing total shutdown. d) Necessary concurrence obtained from other
end 230KV Tanjore SS. e)All other 110KV feeders will be In tied condition. f) No
interruption of supply to any of the SS.
POSSIBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 16:00 1Sub to Tanjore
AUTOApproved
824 Erode 110 KVOTHAKKAL MANDABAM
230 KV
110 KV OKM-Negamam II Feeder (Breaker &
CT's)
For annual relay testing work by GRT wing and
monthly maintenance works.
During the LC period, 110KV OKM-Negamam II feeder will be kept radial from 110KV
Negamam SS. Hence, No SS will be affected.possible Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 14:00 1
subject to the
feeder being kept
radial from
negamam ss end
Approved
825 Chennai 230 KV TONDIARPET 230 KV50 MVA POWER TRANSFORMER-II &33 KV
TPT-I FEEDERFOR ROUTINE MAINTENANCE WORKS
DURING THE PERIOD OF SHUTDOWN , 50 MVA POWER TRANSFORMER-II WILL
NOT BE IN SERVICE 33 KV TPT-I FEEDER LOAD TO BE TRANSFRRED TO
ALTERNATE FEEDING.
Possible Tue, 18-Apr-2017 09:00 Tue, 18-Apr-2017 14:00 1Subject to CBD
concurrenceApproved
826 Madurai 110 KV SEMBATTY 230 KV110KV SBT- Alagarkovil II # sec. bet.
Kosavapatti and V.K.PattiTree cutting work
During the LC period the # will be radial from SBT upto Kosavapatti and radial from other
end upto V.k.Patti. (Concurrence obtained from M/s Ambika cotton mills)POSSIBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1 0 Approved
827 Erode 230 KV DEVIAKURICHI 230 KVBreakers and CTs
For Monthly Maintenance workAuto Transformer I will be in service. 110 KV Deviakurichy-Singipuram feeder I and II will
be kept radial from Singipuram 230kv ss endpossible Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1
subject to the
other auto tr
loading limit
Approved
828 Chennai 400 KV Thiruvalam 400 KVICT - I, 230KV S.P.Koil feeder & 230KV
Thiruvalam Link- I feederTandelta testing for ICT-I & 2 Nos.230 kv feeder CTs
1)ICT- I in off condition 2)ICT- II in service for 230Kv feeder loads 3)230Kv Singarapet
feeder may be hand tripped if load on ICT-II reached above 280 MW4)230kv S.P.KOIL
FEEDER & 230kv Thiruvalam Link-I feeder kept in OFF condition after ICT- I put in to
service 5)400KV Alamathy -I feeder in service from its main breaker thro 400KV Bus-I
Possible (One
by One)Tue, 18-Apr-2017 09:00 Tue, 18-Apr-2017 17:00 1 0 Approved
829 Chennai 110 KV ARNI 230 KV110KV Arani- Kannamangalam Feeder
Breaker,110KV CTs and Line isolator
Monthly Maintenance work, CT Clamp, and Bolt
Nuts replacement work.
During the Period of Shut down the 110KV Kilpallipet SS and 110KV Sathumadurai SS
are availing Total Shut down. Hence there will be no interruption of SupplyPossible Tue, 18-Apr-2017 09:00 Tue, 18-Apr-2017 14:00 1 0 Approved
830 Chennai 110 KV KORATTUR 230 KV 110 KV Alamathy-Periyappalyam feeder Jumper tightness at various location 110 KV Periyappalyam SS will be fed from 230 KV Gummidipoondi SS 0 Tue, 18-Apr-2017 08:00 Tue, 18-Apr-2017 16:00 1Already approved
in 17th April 2017Approved
831 Madurai 230 KVTUTICORIN -SIPCOT
230 KV
On 230/110 KV Auto-I, HV-I and LV-I
breakers with CTs and LAS only.For monthly maintenance work.
 During the LC period, Auto Transformer II will be in service and there will be no
interruption in supply please.
NOT
POSSIBLETue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1
Due to Auto
Loading:
programmed
along with total
s/d
Not approved
832 Madurai 230 KV KADALANGUDI 230 KV 230KV Kadalangudy- PPN I feeder entire
1)Line inspection and rectification work 2)Main II
distance protection relay fixing work at Kadalangudy
end.
No interruption to any SS. All other feeders will be in tied condition. POSSIBLE Tue, 18-Apr-2017 10:00 Tue, 18-Apr-2017 17:00 1 0 Approved
833 Madurai 400 KV kamuthi 400 KV Kanarpatty 400/110 KV ICT -III MONTHLY MAINTENANCE WORK NO FEEDER AFFECTED IN 110 KV SIDE POSSIBLE Tue, 18-Apr-2017 10:00 Tue, 18-Apr-2017 17:00 1App in 129
occ/172Approved
834 Chennai 230 KV Sriperumbudur 400 KV 230KV SV Chatram-Sipcot feeder entire line Line patrol and jumper tightness work During the period of shutdown 230kv spr-sipcot feeder will be in service Possible Tue, 18-Apr-2017 09:00 Tue, 18-Apr-2017 17:00 1 0 Approved
835 Chennai 230 KV ACHRAPAKKAM 230 KV230/110,100MVA AUTOTANSFORMER-II
WITH HV AND LV BREAKER AND CT'STO CARRYOUT MONTHLY MAINTENANCE WORK
1.100 MVA AUTOTRANSFORMER-I WILL BE IN SERVICE.2.110KV ACK-VILLUPURAM
I&II FEEDER WILL BE RADIALLY CHARGED FROM OTHER END.3.110KV ACK-
VANDAVASI FEEDER WILL BE RADIALLY CHARGED FROM OTHER END.4.110KV
ACK-SP KOIL I&II FEEDER WILL BE RADIALLY CHARGED FROM OTHER END.
Possible Tue, 18-Apr-2017 09:00 Tue, 18-Apr-2017 16:00 1 0 Approved
836 Erode 110 KV Udumalpet 110 KVEntire line
Monthly Maintenance workDuring LC period there is no SS will be affected since there is inter connected SS fed from
other end.postponed Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1
110 kv okm to
negamam feeder
lc recommended
Subject to
EE/SLDC/Erode
approval
837 Chennai 230 KV
SPR
SIPCOT(MAMBAKKAM)
230 KV
100MVA, 230/110 KV Auto Transformer-II -
HV & LV Breakers and Current Transformer
only
For monthly maintenance works.
i)The 100MVA Auto Transformer-II is feeding load only to the 110KV GC of 230KV
SIPCOT Mambakkam SS.ii)The 110KV GC load of 230KV SIPCOT Mambakkam SS will
the entire 11KV and 33KV side, for monthly maintenance works.
Possible Tue, 18-Apr-2017 09:00 Tue, 18-Apr-2017 17:00 1 0 Approved
838 Erode 230 KV SINGARAPET 230 KV230 KV Tiruvannamalai # Breaker & CTs &
line isolators
To carry monthly maintenance work by
AEE/MTC/230 KV SS / SPT
During the LC period both ends Maintenance work programmed and hence no interruption
of supplypossible Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 15:00 1
subject to sldc
chennai
concurrence
Approved
839 Madurai 230 KV SRPUDUR 230 KV a) On 110KV SRP - SNRI # breaker & CT . Annual relay testing workDuring the LC period 110 Kv Sanganeri # will be radial from Sanganeri upto SRPudur SS
exclusivePOSSIBLE Tue, 18-Apr-2017 10:00 Tue, 18-Apr-2017 14:00 1
SUB TO WIND
GENApproved
840 Madurai 230 KV SANKANERI 230 KV230/33KV PowerTransformer-I HV&LV
Breakers,CTs only
For monthly maintenance & GRT Annual Relay
Testing.
During the LC Period PowerTransformer-I will not beinservice.PowerTransformer-II&III
willbe Carriedout the EntireLoad.POSSIBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 14:00 1
SUB TO WIND
GENApproved
841 Erode 230 KV ARASUR 230 KV 230 KV Arasur - PUSHEP feeder Br,CTsFor PMI Works , Annual relay testing works by P &
C wing /Thudialur and Monthly maintenance workDuring the LC Period other 5 Nos of 230 KV Feeders will be in service possible Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1
subject to the load
condition existingApproved
842 Madurai 230 KV kayathar230kv230Kv vellapaneri feeder main breaker (210-
52), CT and CVTMonthly Maintenance work
During the LC period there will be no supply in 230Kv vellapaneri feeder main breaker
(210-52), CT and CVT only. hence no substation affected.POSSIBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1 Sub to wind gen Approved
843 Chennai 230 KVGUMMIDIPOONDI 230
KV230KV Sulurpet feeder bay
Monthly maintenance work , CT cmamp and bolt
nuts replacement work
During the period of shut down the 230KV Sulurpet (inter State ) feeder Tie open at
230KV Gummidipoondi SS end and concurance to be obtained from OD/230KV SS
Sulurpet
Possible OCC
Appd. 129/143Tue, 18-Apr-2017 09:00 Tue, 18-Apr-2017 17:00 1 0 Approved
844 Erode 110 KVKARIAMANGALAM 230
KV
1.110 KV Samalpatty feeder breaker,CTs,
Line switch 2.Auto Transformer - I with HV- I
Breaker and CTs & LV- I Breaker CTs.
Carryout Monthly SS Maintenance works by
maintenance wing and GRT Relay testing Auto
Transformer - I
110 KV Pochampally SS, 110 KV Uthangarai SS availing Total Shutdown Total Relief : 35
MW, the Station load will Managed by keeping Auto Transformer II& III and also 230 KV
Shoolagiri and Mettur Feeder, 1 No Grid feeder in service and SSREL Supply fed through
230 KV Singarapet SS
possible Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 14:00 1
subject to the tsd
relief being
realized
Approved
845 Erode 110 KV PONNAPURAM 230 KV
110 KV Ponnapuram - Ingur I # Breaker, CTs
and Line up to S/S of 110KV Selampalayam
SS.
For annual relay test by P&C WING / UDT & Monthly
Maintenance works.
1. 110KV KUNDADAM & UTHIYUR SS WILL BE AVAIL TOTAL SHUTDOWN ON
18.04.2017,2. HENCE IT IS EXPECTED THAT THE LOADS WILL BE WITH IN THE
LIMIT TO KEEP 110KV PNPM-INGUR-I # RADIAL FROM 230KV INGUR SS UP TO
SELAMPAYAM SS,3. HENCE NO SS WILL BE AFFECTED
possible Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 13:00 1
subject to the tsd
relief being
realized
Approved
846 Erode 110 KV PONNAPURAM 230 KV
110 KV Ponnapuram - Ingur II # Breaker,
CTs and Line up to S/S of Kulathupalayam
SS
For annual relay test by P&C WING / UDT & Monthly
Maintenance works.
1. 110KV KULATHUPALAYAM, MUTHUR & RASATHAVALASU SS WILL BE AVAIL
TOTAL SHUTDOWN ON 18.04.2017,2. HENCE IT IS EXPECTED THAT THE LOADS
WILL BE WITH IN THE LIMIT TO KEEP 110KV PNPM-INGUR-II # RADIAL FROM
230KV INGUR SS UP TO KULATHUPALAYAM SS,3. HENCE NO SS WILL BE
AFFECTED
possible Tue, 18-Apr-2017 13:00 Tue, 18-Apr-2017 17:00 1
subject to the tsd
relief being
realized
Approved
847 Erode 230 KV karamadai230KV230KV Karamadai-Karuvalur feeder breaker&
CTsfor monthly maintenance works. LC programmed at other end also. possible Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 14:00 1
subject to the load
condition existingApproved
848 Madurai 110 KV PERAMBALUR 230 KV110KV Kallakudy-I(Thuraiyur) feeder Breaker
CT's onlyFor monthly maintenance work
During the above LC period1) 110KV Thuraiyur Feeder Loads will be transfer to 110KV
Perambalur -II Feeder of Kallakudy Grid SS.POSSIBLE Tue, 18-Apr-2017 10:00 Tue, 18-Apr-2017 15:00 1 0 Approved
849 Erode 230 KV karuvalur230kv230kv Karamadai feeder breaker CTs LAS
and it's line switch
For monthly maintenance work and for PMI by
palladam lines230kv PGCIL feeder will be in service possible Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1
subject to the load
condition existingApproved
850 Madurai 110 KV Thanjavur 110 KV110kv TJR-Thiruvarur feeder Br and its line
isolatorFor monthly maintenance work
During the LC period there will be no interruption of supply to any ss,110KV TJR-TVR
Feeder will be radially fed from 230KVss Thiruvarur upto 110kv URBAN SS/TJR,110KV
URBAN SS TOTAL S/D Programmed on the same day
POSSIBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 13:00 1Sub to load
conditionApproved
851 Chennai 230 KVTHIRUVANNAMALAI 230
KV
1. 230 KV Tiruvannamalai - Singarapet #,
Breaker, CT's and Line Isolator2. 110 KV
Tiruvannamalai - Thandrampet #, Breaker,
CT's and Line Isolator.
Monthly maintenance work
During the period of L/C time,1. 230 KV T.V.Malai - Singarapet # will be OFF condition,2.
Other 2 Nos 230 KV T.V.malai - Neyveli & Villupuram feeders will be in service.3. 110 KV
Thandrampet SS availing total S/D. Hence there is no interruption of supply please.
Possible Tue, 18-Apr-2017 09:00 Tue, 18-Apr-2017 17:00 1Separate entry is
not thereApproved
852 Chennai 230 KV CUDDALORE 230 KV& 230KV TAQA # one by one)
GCC/Trichy wing work - 2 Feeder Bay extension for
Ulundurpet and Villupuram Dropper and Jumper
work.Take off tower conductor deviation work
Durind the period of LC All the loads will be transferred to 230 KV BUS A . Bus coupler
under tripped condition .Hence NO Interruption of SupplyConcurrence obtained from
SE/O/Villupuram
Possible Tue, 18-Apr-2017 09:00 Wed, 19-Apr-2017 17:00 2 0 Approved
853 Chennai 230 KV CUDDALORE 230 KV230KV Cuddalore- Neyveli TS-1 feeder
Breaker ,CT, with Line isolatorFor monthly maintenance works
Interruption of SupplyConcurrence obtained from SE/O/VillupuramPossible Tue, 18-Apr-2017 09:00 Tue, 18-Apr-2017 17:00 1 0 Approved
854 Chennai 230 KV CUDDALORE 230 KV 230 KV Neyveli TSII-KadalangudyFor checking jumper tightness at railway crossing
location.347 -348
Durind the period of LC 230 KV Kadalangudy SS will be fed from 230 KV Thiruvarur
SSHence NO Interruption of SupplyConcurrence obtained from SE/O/VillupuramPossible Tue, 18-Apr-2017 09:00 Tue, 18-Apr-2017 17:00 1
Subject to grid
conditionNot approved
855 Chennai 230 KV THIRUVALAM 230 KV
110 KV Arani - Kanamangalam feeder in
between 110 KV Kilpalipet and 110 KV
Thorapadi SS.
For replacement of defective disc at Loc 36.
During the period of LCi. 110 KV Arani - Kanamangalam feeder line LC in between from
110 KV Kilpalipet and 110 KV Thorapadi SS. ii. The 110KV Kilpalipet SS & 10KV
Sathumadurai SS are availing total shutdown.Hence there will be no interruption of supply
please.
Possible Tue, 18-Apr-2017 09:00 Tue, 18-Apr-2017 14:00 1 0 Approved
856 Erode 230 KV PUSHEP 230 KV PUSHEPH - ARASUR # MONTHLY MAINTENANCE WORKS230 KV PUSHEPH - ARASUR # IN TRIPPED CONDITION,230 KV LINE & BUS
ISOLATORS IN OPEN CONDITIONpossible Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1
subject to the load
condition existingApproved
857 Chennai 110 KV Ulundurpet 230 KV 110KV Ko-Poovanur feeder. Total shutdown maintenance work. 110KV Ko-Poovanur SS Total shudown maintenance work. Possible Tue, 18-Apr-2017 09:00 Tue, 18-Apr-2017 17:00 1 0 Approved
858 Erode 110 KV ALIYAR 230 KV110KV ALR-NGM FEEDER CB,CT&LINE
AND POY-NGM FEDER LINE ENTIRE
1)PMI Work by JE/Lines/Pollachi and Monthly mtce
work2)Muthur LILO tower Erection workDuring the LC period pollachi ss under shutdown condition possible Tue, 18-Apr-2017 8:00 Tue, 18-Apr-2017 16:00 1
subject to pollachi
ss tsd and the
load condition
existing after that
Approved
859 Chennai 230 KV MOSUR 230 KV For attending Monthly Maintenance worki. 230 KV Athipattu and Thiruvalam Feeder in service ii. All 110 KV Feeders in Service iii.
Hence there will be no interruption pleasePossible Tue, 18-Apr-2017 09:00 Tue, 18-Apr-2017 14:00 1 0 Approved
860 Madurai 110 KVANUPPANKULAM 230
KV
110 KV APKM- Rajapalayam - II feeder Br.,
CT. and line switch only.
a) For monthly maintenance work. b) earth wire cut
rectification work at Loc. No. 2 to 10 of 110 KV
Reddiapatti LILO.
During the LC period the 110 KV Reddiapatti, Rajapalayam, Alangulam SS under total
shut down. Hence no SS will be affected.POSSIBLE Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 14:00 1 0 Approved
861 Madurai 110 KVANUPPANKULAM 230
KV
110 KV Nallamanaicken patti - Rajapalayam
feeder entire.
For loop jumper will be provided at Loc. No. 5 of
Rajapalayam spur line (work will be executed by TLC
wing)
During the LC period the 110 KV Rajapalayam SS under total shut down. Hence no SS
will be affected.
NOT
POSSBLETue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 14:00 1
Reason for
looping at loc.5
not mentioned.
Approval copy.
Subject to Deviation
Approval
862 Erode 110 KV KUNDAH PH3 110KV KPH2 to Thudiyalur 2 Feeder
110KV KPH2 to Thudiyalur 2 Feeder Tower No:01 to
12 Pre-Monsoon Inspection work(PMI) and
Maintenance work.
Bus and Line both end open condition Earth switch closed condition. postponed Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1to be scheduled
on a sunday
Subject to
EE/SLDC/Erode
approval
863 Madurai 110 KVANUPPANKULAM 230
KV
110 KV APKM-KYTR # section between
APKM-KOVILPATTI & NSPM -KYTR feeder
section between Vijayapuri ss to Kayathar
SS.
Dismantling of existing loc: 296 T - Off arrangement
and stringing permanent connectivity to the
Kovilpatti Railway traction SS.
During the LC period 110 KV APKM - KYTR feeder will be radially fed from other end upto
Kovilpatti SS. 110 KV NSPM - KYTR feeder will be radially fed from NSPM SS upto
Vijayapuri SS, and KYTR end will be Hand Tripped condition. Hence no SS affected.
POSSIBLE Tue, 18-Apr-2017 8:00 Tue, 18-Apr-2017 17:00 1 0 Approved
864 Chennai 230 KV Orgadam 230 kV 230 KV Bus B MONTHLY MAINTENANCE WORK Possible Tue, 18-Apr-2017 09:00 Tue, 18-Apr-2017 17:00 1 0 Approved
865 Erode 230 KV KARUVALUR 230 KV230kv Karamadai feeder breaker CTs LAS
and it's line switch
For monthly maintenance work and for PMI by
palladam lines230kv PGCIL feeder will be in service postponed Tue, 18-Apr-2017 9:00 Tue, 18-Apr-2017 17:00 1
230 kv kph 4 to
thudiyalur lc
recommended
Approved
866 Madurai 110 KV KAYATHAR 230 KV110 KV Kayathar - Thalaiyuthu Express #
Breaker with CT onlyFor Monthly Maintenance work During the LC period Other end also avails LC Hence No SS affected POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1
Due to 110 KYR-
Gangaikondan-
Thlaiyuthu # lc
Approved
867 Chennai 230 KV SPKoil lines 230 Veerapuram Feeder Quertaly maintenance work Possible Wed, 19-Apr-2017 10:00 Wed, 19-Apr-2017 17:00 1 approved Approved
868 Chennai 230 KV SPKoil 230 KV Kalapakkam feeder 2 Quartely Maintenance Work Pending Wed, 19-Apr-2017 09:00 Wed, 19-Apr-2017 17:00 1 Approved
869 Madurai 230 KV VEERANAM 230 KV230kv veeranam - kodikurichi # HVBR,CT &
Line switchQuarterly & Monthly maintenance work
During the lc period there will be no supply in entire 230kv kodikurichi feeder and
concurrence obtained from SE/NCES/TIN.POSSIBLE Wed, 19-Apr-2017 10:00 Wed, 19-Apr-2017 17:00 1
Sub to 230 CKNI-
AMPM#&230CKNI-
NLMPT# in tied
condition.Sub to
wind gen
Approved Subject to
wind Generation
870 Madurai 230 KV KODIKURICHY 230 KV230KV Veeranam # breaker with HV breaker ,
CT and all Isolators .Monthly Maintenance work
1EE/O /Veeranam has also applied LC on 230kv veeranam breaker on the same
day(12.04.2017)2Hence No SS Will be affectedPOSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1
Sub to 230 CKNI-
AMPM#&230CKNI-
NLMPT# in tied
condition.sub to
wind gen
Approved
871 Erode 110 KV LOWER METTUR 1110 kv BPH - 1 to DPH Feeder, Line side
isolator and Earth switch
Monthly maintenance works in Feeder equipment
and its isolator and Earth switch
(a) during the above L.C period Unit - 2 Individual spell and Unit - 1 will be standby
condition.(b) The other end DPH applied L.C on that day on 19.04.2017(c) 110 kv BPH -
1 to BPH - 2 Feeder will be inservice.
possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 16:00 1subject to the load
condition existingApproved
872 Chennai 230 KV VEERAPURAM 230 KV 230KV S.P KOIL # Quarterly Maintenance 110 KV S.P.Koil Feeder I & II kept tied condition Possible Wed, 19-Apr-2017 10:00 Wed, 19-Apr-2017 14:00 1 0 Approved
873 Madurai 230 KV VEERANAM 230 KV230KV Veeranam - Abishegapatty Feeder
HVBR, CT and line switchQuarterly & Monthly maintenance work
During the lc period there will be no supply in entire 230KV Veeranam - Abishegapatty
feeder and concurrence obtained from SE/NCES/TIN.POSSIBLE Wed, 19-Apr-2017 10:00 Wed, 19-Apr-2017 17:00 1
App in 129
occ/152Approved
874 Chennai 400 KV Alamathy 400 KV400/110 KV ICT#2 HV Tie Breaker only
1(1)52
For CT Tandelta testing and isolator allignment
work.
400/110 KV ICT#2 (200 MVA) will be in service via HV Main Circuit breaker.Hence No
interuption.
Possible OCC
Appd. 129/Wed, 19-Apr-2017 10:00 Wed, 19-Apr-2017 17:00 1 0 Approved
875 Madurai 110 KV KODIKURICHY 230 KV110KV Kayathar feeder breaker with CT and
Line IsolatorsFor monthly maintenanace work
1 110kv Keelapavoor SS,Keelaveeranam ss will be Radially fed from 110kv kayathar
SS.2 Hence, No SS will be affected.POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1 sub to wind gen Approved
876 Erode 110 KV THINGALUR 230 KV110KV KAVUNDAPADI feeder Breaker,CTs
and Line IsolatorsMonthly Maintenance Works No SS will be affected possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1
subject to
kavunthapady ss
being fed from
gobi ss
Approved
877 Chennai 400 KVSunguvarchatram 400
KV
200MVA,400/110KV AUTO TRANSFORMER-
3Monthly maintenance work
During the LC Period Auto Transformer-3 in OFF condition and Auto Transformer -4 will
cater the load of Auto Transformer-3 without interruption.
Possible OCC
Appd. 129/Wed, 19-Apr-2017 09:00 Wed, 19-Apr-2017 17:00 1 0 Approved
878 Erode 110 KV KUNDAH PH5 110KV PH5 TO SANDINALLAH #ANNUAL RELAY TESTING WORK BY GRT WING
KUNDAH
DURING THE ABOVE LC PERIOD THE FEEDER WILL BE RADIALLY FEED FROM
OTHER END.possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1
subject to the load
condition existingApproved
879 Madurai 110 KV PASUMALAI 230 KV110 KV Pasumalai - Kinnimangalam (Theni)
# - 2 BKR & CT,LI only.Maintenance Works of BKR & CT,LI EE / O / Kinnimangalam has also programmed POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 14:00 1
Sub to Pasumalai
Auto LoadApproved
880 Madurai 110 KV SRPUDUR 230 KV110 KV SR Pudur - Arumuganeri I feeder
section between SRP to Panagudy.
Tree clearance work and Tower to Tower inspection.
.
During the LC period, 110KV SRP- ARMI I # will be radial from ARMI upto Panagudy
(Incl).Hence no SS will be affected.POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 14:00 1 Sub to wind gen. Approved
881 Madurai 230 KV AMUTHAPURAM 230 KV230/33KV Power transformer-3 HV,LV
Breakers with CT's and its 33KV feederMonthly Maintenance Work
1) During the LC period there will be NO supply in P.Tr-3 and its 33KV feeders. 2) If there
is wind generation its 33KV feeders paralleled with other power transformers. 3) No SS
will be affected. 4) Concurrence obtained from SE/NCES/TIN.
POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1 Sub to wind gen. Approved
882 Erode 230 KV GOBI 230 KV230 KV BUS COUPLER BREAKER AND
CT'S WITH BUS IIFOR MONTHLY MAINTENANCE WORK
ALL 230 KV FEEDERS AND AUTO TRANSFORMER I,II AND III ARE CONNECTED
WITH BUS I,BUS II IDLY CHARGED THROUGH 230 KV BUS COUPLER BREAKER.possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1
bus 1 to be in
serviceApproved
883 Madurai 230 KV PUGALUR 230 KV230 KV Pugalur - Paramathy II feeder
Breaker, CT & line switch and line entire only
Replacement of existing 230KV C&Rj panel by new
one and Monthly Mtce work.
During the LC period, there will be no supply in 230 KV Pugalur - Paramathy II feeder.
Necessary Concurrence obtained from PGCIL Paramathy. Hence There is no interruption
to any SS,Already Lc approved in 129th OCC meeting.
POSSIBLE Wed, 19-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 2
App in
129occ/148.Sub to
load condition
Approved
884 Madurai 230 KVTUTICORIN -AUTO 230
KV
On 230 KV TTN - TTPS -I feeder Breaker
with CT bus & line side switches.For monthly Maintenance work No SS will be affected. POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1 Sub TTPS gen. Approved
885 Madurai 110 KV ALAGARKOIL 230 KV
110KV ALKL-Karaikudy feeder breakler with
CT and Line section between ALKL-NSPTY
SS.
For monthly maintenance work and tree clearence
work.
During the L.C period the feeder will be radial up to narasingampatty SS from KKDI end,
hence there will be no interruption of supply please.POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 16:00 1
Sub to karaiakudi
Auto LoadApproved
886 Erode 110 KV BKB - 1 11O KV BUS
For cleaning and tightness checking of bus PTs,
insulators, AB switches, jumbers,measuring the
Capacitance and Dielectric loss angle values on PTs
and CTs.
During the LC period,1.Both unit in non standby condition.2.Erode,Pallakapalayam,BKB-2
feeder breakers are tripped condition at BKB-1 end.3.The PWD drinking water demand of
500c/s will be met out through barrage gate.
postponed Wed, 19-Apr-2017 8:00 Wed, 19-Apr-2017 17:00 1to be scheduled
during erode tsd
Subject to
EE/SLDC/Erode
approval
887 Madurai 110 KV ALAGARKOIL 230 KV110 KV Alagarkoil -Sempatty -I # section
beween samayanallur to Amaynaickanur SS.
For tower to tower inspection and tree cutting in
various location.
During the LC period , The 110 KV Sholavanthan SS availing total shut down , Hence
there is no supply interruption at any other ss.POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1 Sub to total s/d Approved
888 Erode 400 KV Salem 400 KVHV & LV SIDE - ITS ENTIRE
BREAKERS, JUMPERS & SWITCHES
Monthly Maintenance Work
110 KV Salem I &II feeder will be fed from 230 KV SS salem. 110 KV Vembadithalam SS
# fed from sangakiri Grid SS, 110 KV Barrage II # will back charged condition from
Barrage - II 110 KV Thumbipady and Nangavalli # will be fed from Mettur 230 KV SS
postponed Wed, 19-Apr-2017 8:00 Wed, 19-Apr-2017 14:00 1
not feasible as
auto tr 4 is under
outage
Not approved
889 Erode 110 KV Salem 400 KV110 KV Barrage II # - Its CT, BREAKER, BUS
& LINE SWITCHESMonthly Maintenance Work During LC Period, Ettikuttaimedu SS will be fed from Barrage - II. postponed Wed, 19-Apr-2017 8:00 Wed, 19-Apr-2017 14:00 1
llines lc
recommended for
bph 2 end
Subject to
EE/SLDC/Erode
approval
890 Erode 110 KV Salem 400 KV110 KV Vembadithalam # - Its CT,
BREAKER, BUS & LINE SWITCHESBoth end monthly Maintenance Work During LC Period, 110 KV Vembadithalam SS will be avail total shut down . possible Wed, 19-Apr-2017 8:00 Wed, 19-Apr-2017 14:00 1
subject to
vembadithalam ss
availing tsd
Approved
891 Madurai 230 KV KAVANOOR 230 KV 230 KV KAVANOOR-KARAIKUDI # 2MONTHLY MAINTENANCE WORKS AND LINE
MAINTENANCE WORKSSINCE BOTH ENDS LC TO BE AVAILED NO SUPPLY IN THE FEEDER POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1 0 Approved
892 Madurai 110 KV then I 230 KV
110 KV THENI- RASINGAPURAM #
BREEKER WITH CT ONLY.110 KV THENI-
PERIYAR II #(SECTION BETWEEN
KAMATCHIPURAM AND THEVARAM SS)
FOR MONTHLY MAINTENANCE WORK AND LINE
MAINTENANCE PREMONSOON INSPECTION
WORK.
NO INTERRUPTION TO ANY SS. KAMATCHIPURAM SS RADIAL FROM THENI SS
AND THEVARAM SS WILL BE RADIAL FROM PERIYAR PH.POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1
1. Concurrance
from wind
genertor at
Rasingapuram
Approved
893 Erode 230 KVPUDHANCHANTHAI 230
KV
Auto-II, HV and LV-II CBs, CTs, LASs and
230KV Switches.For regular maintenance works.
During LC period110KV Rasipuram SS availing Total Shut down.110KV Elanagar SS now
back fed through 110KV PSI-Rasipuram feeder will be transferred to 230KV Unjanai
SS.110KV Namagiripet SS will be transferred to 110KV DVK-Thammampatty feeder.If
necessary 110KV Erumapatty SS will be transferred to 230KV Perambalur/Samayapuram
SS.No supply interruption.
possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1
subject to
rasipuram ss
availing tsd
Approved
894 Madurai 110 KV kinnimangalam 230 KV 110KV KNMLM PSQ II # Monthly maintenance works for breaker and CT EE/O/PSQ has also programmed.There will be no supply in the entire feeder POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1Sub to pasumalai
Auto LoadApproved
895 Madurai 230 KV KARAIKUDI 230 KVOn 1)230KV KKDI - KVNR- 2 # Bkr & Ct's.
2)230KV KKDI - KVNR- 2 #'r Entire1) For Monthly Mtc work2) Tree Cutting work.
During the L.C Period all other 230KV #'r will be tied with Grid. Hence there will be No
interruption of Supply.POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1 0 Approved
896 Madurai 230 KVRENGANATHAPURAM
230 KV
1)230KV RNPM - CKNI # Br,CT & line
switch2)230KV RNPM-CKNI # Entire line1)Monthly Maintenance works2)Tree Cutting works During LC period other end also programmed for availing LC in this feeder. POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 16:00 1
Sub to load
conditionApproved
897 Erode 230 KV MTPSII 230KV GOBI FEEDER GENERAL MAINTENANCE WORKS.
UNIT IN SERVICE. ALL 400KV KARAMADAI-I&II ,PALAVADI-I&II AND ICT-I&II ARE IN
SERVICE. ALL 230KV MTPS-I ,METTUR AUTO SS AND STANDBY TRANSFORMER
EXCEPT THINGALUR FEEDER ARE IN SERVICE.
possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1subject to the load
condition existingApproved
898 Madurai 230 KV TRICHY 230 KV100MVA Auto Transformer III, LV III
BREAKER, LAS, CTs and ,LV III I/C Isolator.a) For monthly maintenance works.
During the LC period a) other 2 nos. 100MVA Auto Transformer will be in service. b)
There will be no interruption of supply to any of the SS and feeders. C) Necessary
concurrence obtained from SE/O/Trichy.
POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 16:00 1 0 Approved
899 Erode 110 KV METTUR DPH 110KV BARRAGE PH 1 FEEDER ENTIRE. MONTHLY MAINTENANCE WORKSTHE OTHER END WILL ALSO PROPOSE TO AVAIL LINE CLEAR FOR MONTHLY
MAINTENANCE WORKS ON THAT DAY.possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 15:00 1
subject to the load
condition existingApproved
900 Erode 110 KVOTHAKKAL MANDABAM
230 KV110 KV OKM-Sulur Feeder (Breaker & CT's) for annual relay testing works by GRT wing.
During the LC period, 110KV OKM-Sulur feeder loads will be transferred to 110KV OKM-
Negamam II feeder. Hence, No SS will be affected.possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 14:00 1
subject to transfer
of loadsApproved
901 Madurai 110 KV SEMBATTY 230 KV110KV SBT - Algarkovil I # Bkr, CTs and sec.
bet SBT and Solavandan SS1. Monthly maintenance work2. Tree cutting work
During the LC period, AMNR SS is availing total shutdown and the feeder will be radial
from other end upto Solavandan SS.Hence no interruption to any SS.POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1 Sub to toal s/d Approved
902 Chennai 400 KV Thiruvalam 400 KVICT-II , 230KV Thiruvalam Link-II & 230 KV
Singarapet feederTandelta testing for ICT-II & 2 Nos.230KV feeders
1)ICT-II in off condition 2)ICT-I in service for 230 KV loads3)230KV Singarapet feeder
may be hand tripped if load on ICT-I reached above 280MW4)230KV Thiruvalam Link-II &
230 KV Singarapet feeder kept in OFF condition after ICT-II put in to service5)400KV
Alamathy -II feeder in service from its main breaker thro 400KV Bus-I
Possible OCC
Appd.129/Wed, 19-Apr-2017 09:00 Wed, 19-Apr-2017 17:00 1 One by One Approved
903 Chennai 110 KV ARNI 230 KV110KV Arani- Thazhanoor Feeder Breaker,
110KV CTs,Line Isolator
Monthly Maintenance work, CT Clamp, and Bolt
Nuts replacement work.
The 110KV Thazhanoor Feeder is at present idly charged condition up to 110KV Chetpet
SS Line side. Hence there will be no interruption of Supply.Possible Wed, 19-Apr-2017 09:00 Wed, 19-Apr-2017 14:00 1 0 Approved
904 Madurai 230 KVSTERILITE SW
STATION 230 KV
On 230 KV Sterlite -Annuppankulam feeder
breaker with CTs and line isolators only.For monthly maintenance works.
During the LC period,the other end has also proposed LC on the same date. M/S. Sterlite-
CPP generation (if available) will be exported to 230KV TTPS end and no other SS will be
affected please.
POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1 0 Approved
905 Erode 110 KV COIMBATORE 230 KV
110KV Coimbatore-Arasur Feeder section
between 110KV Kallimadai SS and 110KV
Irugur SS
PMI Works By AE/Lines Coimbatore1.110KV Kallimadai SS fed from 230KV Coimbatore SS.2.110KV Irugur SS, KPR EHT
Service and Sulur Traction EHT Service will be fed from 230KV Arasur SSpossible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 16:00 1
subject to the
feeder being kept
radial from arasur
ss
Approved
906 Erode 110 KV COIMBATORE 230 KV110KV Thudiyalur I & II Feeder Breaker and
CTs only one by oneFor Monthly Maintenance Works Scheduled Shutdown at 110/22/11KV Kavundampalyam SS possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 16:00 1
to be availed one
by one subject to
kavundampalaya
m ss availing tsd
Approved
907 Madurai 230 KV KADALANGUDI 230 KV 230KV Kadalangudy- PPN II feeder entire
1)Line inspection and rectification work 2)Main II
distance protection relay fixing work at Kadalangudy
end.
No interruption to any SS. All other feeders will be in tied condition. POSSIBLE Wed, 19-Apr-2017 10:00 Wed, 19-Apr-2017 17:00 1 0 Approved
908 Chennai 400 KV Sriperumbudur 400 KV 400KV HV-4 Breaker Quarterly maintenance work Auto-4 will be fed by 400kv tie breaker 0352Possible OCC
Appd. 129/Wed, 19-Apr-2017 09:00 Wed, 19-Apr-2017 17:00 1 0 Approved
909 Erode 230 KV METTUR AUTO 230 KV 230 kv MTPS II-Gobi feeder entireJumbercone tightness checking at cut point tower
LOC NO: 27. 230 KV MTPS 2-Gobi feederProgrammed LC at MTPS 2. possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1
subject to the load
condition existingApproved
910 Erode 110 KV THUDIALUR 230 KV110KV Coimbatore I & II feeders entire one
by oneFor monthly mtce works 110KV Kavundampalayam SS will be under total shut down. possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 16:00 1
to be availed one
by one subject to
kavundampalaya
m ss availing tsd
Approved
911 Erode 110 KV METTUR AUTO 230 KV
110 KV K.R.Thoppur - Barrage II-feeder
section between Barrage II & poolampatty
110 KV SS only
For checking of Jumpercone Tightness at River
crossing Towers LOC NO: 1 & 2
(1) Edapady 110 KV SS has Programmed for total shutdown on that day(2)
Ettikudaimadu 110 KVSS,Jalagandapuram 110 KVSS & Poolampatty 110 kvss loads will
be fed radially from K.R.Thoppur 400 kvss
possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1
subject to the
feeder being kept
radial from kr
thoppur ss end
Approved
912 Erode 110 KV ARASUR 230 KV
between 230 KV Arasur SS and 110 KV
Avinasi SS) and 110 KV Arasur -Thingalur #
(line section between 230 KV Arasur SS and
110 KV Velampalayam SS) including Feeder
Breakers and CTs
Stringing of 230 KV SC line from PGCIL -Arasur
400/230 KV SS to 230 KV Ingur SS for crossing
location 8 & 9 of 110 KV Vangipalayam SS DC line
by TLC/Perundurai wing of GCC/Coimbatore and
monthly maintenance works in Breakers and CTs at
230 KV Arasur SS
During the LC Period 110 KV Avinnasi SS & Vanjipalayam SS total Shutdown possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1
subject to avinasi
ss and
vanjipalayam ss
availing tsd
Approved
913 Madurai 110 KV ALUNDUR 230 KV
110KV Alundur - Sempatty feeder
Breaker's,CT'S and Line section between 230
KV SS Alundur up to vaiyamppatty 110 KV
SS.
a) Monthly maintenance work. b)premonsoon
inspection and tree cutting work. c)Relay testing
work.
During the LC period, a) 110KV Alundur - Sempatty feeder radially fed from 230 KV SS
sempatty SS up to vaiyampatty 110 KV SS. b) 110 KV vaiyampatty SS availing total
shutdown. c)All other 110 KV feeder's will be in service. d)There will be no interruption of
supply to any other feeder's and ss.
POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1 0 Approved
914 Erode 110 KV SALEM AUTO 230 KV110KV Rasipuram Breaker, CTs & Line
IsolatorsMonthly maintenance work.
110KV Mallur SS will be availing Total shutdown or fed from 230KV Pudansandai SS.
There will be no interruption to any SS or feeder.possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1
subject to mallur
ss availing tsdApproved
915 Erode 110 KV INGUR 230 KV 110KV Capacitor Bank II entire MONTHLY MAINTENANCE WORKS DEPENDING UPON LOAD CONDITION approved Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 14:00 1
subject to the
voltage profile in
the grid
Approved
916 Erode 110 KVKARIAMANGALAM 230
KV
1.110KV Vellichandai feeder breaker,
CTs,Line switch2.Auto Transformer -II with
HV-II Breaker and CTs & LV-II Breaker CTs.
Carryout Monthly SS Maintenance works by
maintenance wing and GRT Relay testing Auto
Transformer - II
110 KV Vellichandai SS,110 KV Pennagaram SS availing Total Shutdown Total Relief :
25 MW, the Station load will Managed by keeping Auto Transformer I & III and 230 KV
Shoolagiri and Mettur Feeder, 1 No Grid feeder in service.
possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 14:00 1
subject to
vellichandai ss
and pennagaram
ss availing tsd
Approved
917 Chennai 110 KV MANALI 230 KV 110kvBusSection-2 and 110kv CPCL
a.For replacement of damaged fixed jaw contacts in
110kv Bus Coupler-1 switch in 110kv Bus Section-2
and removing hotline jumper in 110kv TPL-1
bayb.For making T-off arrangement in 110kv cable
point, for linking of feeder to 110 kv GIS bus via GIS
Bay.No-109
a.110kv supply to M/s CPCL/TPL-1 will not be availableAfter the LC110kv CPCL feeder
will be in service via T-off, Bay.No. 109 of GIS SS.110kvBus Section-1 will be normalized
from AIS SS
To be discuss Wed, 19-Apr-2017 10:00 Wed, 19-Apr-2017 17:00 1 0 Approved
918 Erode 230 KVVINNAMANGALAM 230
KVisolators.
For Attending Monthly Maintenance works only
1,Total shutdown has been approved by CE/D/Vellore vide Memo.
No.:CE/D/VLR/EE/AEE/Gl/ F. Shut down/ D. 142 /2017, Dt:21.03.2017 and
SE/D/Tirupatture vide Memo.No:SE/TEDC/TPR/ Gen / AE / F.Shutdown/D.3287/17,
dt:21.03.2017.
Possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 14:00 1 0 Approved
919 Madurai 110 KV Punalkulam 110 KV 110 KV Punalkulam - Kurungulam feeder.For carrying out premonsoon inspection works by
the AEE/Lines/Thanjavur.
During the LC period,1) all other 110 KV feeders will be in tied condition,2) no supply
interruption to any SS.POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1 0 Approved
920 Erode 110 KV karamadai230KV110KV Karamadai-Arasur 1 feeder breaker&
CTsfor monthly maintenance works. Radially fed from Arasur end. possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 14:00 1
subject to the
feeder being kept
radial from arsur
ss end
Approved
921 Madurai 110 KV THIRUVARUR 230 KV
A)110 KV NEMMELI THIPPIYAKUDI-
THANJAVUR FEEDER BREAKER,CT's &
LINE ISOLATOR. B)110 KV NEMMELI
THIPPIYAKUDI-THANJAVUR FEEDER (LP:
230KV NT KUDI SS TO 11
A) FOR MONTHLY MAINTENANCE WORK BY
AEE/MTC/NEMMELI THIPPIYAKUDI.B)
PREMONSOON INSPECTION WORK BY
AE/LINES/PATTUKKOTTAI.
1)DURING THE LC PERIOD, 110KV THIRUKKANURPATTY SS, 110KV ECHANKOTTAI
AND 110KV ORATHANADU SS RADIALLY FED FROM 230KV THANJAVUR SS.2) ALL
OTHER FEEDERS ARE TIED CONDITION AND NO INTERRUPTION TO ANY SS.3) IN
110 /33-11 KV ORATHANADU SS 33 KV ALONE WILL BE IN SHUTDOWN.
POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1 0 Approved
922 Erode 230 KV METTUR AUTO 230 KV 230KV Hosur Feeder For Monthly Maintenance work During the LC period other 230KV feeders will be in service possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1
subject to 230 kv
hosur to shoolagiri
feeder loading
limit
Approved
923 Erode 230 KV HOSUR 230 KV
1.230/110 Auto Transformer - 3 2. 230 KV
Mettur feeder breaker & Entire line .3. 110 KV
Kempatty feeder breaker & Entire line4. 110
KV Uddanapalli feeder & entire line.
For Monthly Maintenance Work.
During the above line clear period there will be no supply to the 110 KV Kempatty SS ,
110 KV Uddanapalli SS the above SS also availing shutdown on the same day. The
230KV SS loads will be maintained with in two Auto transformer capacity . The
concurrence of the SE/KEDC , SE/O/TVLM and CE/D/Vellore , has been obtained .
possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 14:00 1
subject to the tsd
being realized and
subject to 230 kv
hosur to shoolagiri
feeder loading
limit
Approved
924 Erode 110 KV HOSUR 230 KV
110KV Uddanapally feeder & 110KV Hosur-
Kempatty feeder &230KV Hosur -Mettur
feeder
For monthly Line maintenance work by Lines wing
Hosur
During the above line clear period there will be no supply to the 110KV Uddanapally
SS,110KV Kempatty SS.The above SS also availing Shut down on the same day .The
230KV SS Load will be fed from 230KV Shollogari-Hosur feeder.The concurrence of
CE/D/Vellore,SE/O/TVLm,SE/KEDC/Krishnagiri has been obtained.
0 Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 14:00 1 repeat of 53664 Not considered
925 Erode
GENERATI
NG
STATIONS
PYKARA UNIT 6 FOR MONTHLY MAINTENANCE WORK NIL possible Wed, 19-Apr-2017 8:00 Wed, 19-Apr-2017 17:00 1other units will be
availableApproved
926 Madurai 110 KVANUPPANKULAM 230
KV
110 KV APKM - RJPM - I feeder Br., CT.,
only.Monthly maintenance work
During the LC period the 110 KV Vembakkottai SS loads will be transfer to 110KV
NNPTY - ALGM #. Hence no SS will be affected.POSSIBLE Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 13:00 1 0 repeat of 53835
927 Chennai 110 KV VILLUPURAM 230 KV110KV Thirukoilur-Deviyakurichi # between
Thirukoilur to Ariyalur SSFor monthly maintenance wroks For tightening of jumpers in Manalurpet LILO Possible Wed, 19-Apr-2017 09:00 Wed, 19-Apr-2017 17:00 1 0 Approved
928 Erode 110 KVOTHAKKAL MANDABAM
230 KV
110KV OKM-Irugur feeder section between
230KV OKM SS and 110KV Irugur SS.
For annual relay testing works by GRT wing,P.M.I
works by lines wing and monthly maintenance
works.
During the LC period,(1) 110KV Podanur SS will be under Total shut down.(2) 110KV
Irugur SS will be fed from 230KV CBE SS.Hence, No SS will be affected.possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1
subject to
pothanur ss
availing tsd
Approved
929 Erode 110 KV BKB - 2110 KV SPB , BKB PH - 1 and Bus section
Breakers and Isolators .
Zone - 2 Bus LC for AOH work and TAN Delta
measurement by P&C wing.
Zone 1 Bus ( 110 KV Unjanai , Thiruchencode , BKB 3 , Ponni Sugars & Vendipalayam
Feeders ) will be in service. Unit 1 & 2 Non standby necessary concurrence obtained from
SPB.
possible Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1subject to the load
condition existingApproved
930 Chennai 230 KV
BASIN
BRIDGE(GMRVASAVI)
230 KV
Auto Transformer 2 Routine mainteance workAuto Tr 2 will not be in service, all other 110 KV #S , 230 KV #s , Auto TR 1 & 3 will be in
servicePossible Wed, 19-Apr-2017 09:00 Wed, 19-Apr-2017 17:00 1 0 Approved
931 Chennai 230 KV ACHRAPAKKAM 230 KV 16 MVA PR.TR.I FOR MONTHLY MAINTENANCE WORK 1.16 MVA PR.TR.II & III Will be inservice cater the entire 11kv lods 0 Wed, 19-Apr-2017 09:00 Wed, 19-Apr-2017 12:00 1Concurrence from
SE/O
Concurrence from
SE/O
932 Erode 110 KV KUNDAH PH3 110KV KPH2 to Thudiyalur 2 Feeder
110KV KPH2 to Thudiyalur 2 Feeder Tower No:16 to
33. Pre-Monsoon Inspection work(PMI) and
Maintenance work.
Bus and Line both end open condition Earth switch closed condition. postponed Wed, 19-Apr-2017 9:00 Wed, 19-Apr-2017 17:00 1to be scheduled
on a sunday
Subject to
EE/SLDC/Erode
approval
933 Chennai 110 KV THARAMANI 230 KV 110 KV Velachery UG # Qtrly. Mtce. work Ideal feeder Possible Wed, 19-Apr-2017 09:00 Wed, 19-Apr-2017 17:00 1 0 Approved
934 Chennai 230 KV MYLAPORE 230 KV 100 MVA 230/33 KV Power Tr-1 Monthly Mtce. work 100 MVA 230/33 KV Power Tr.-2 will be in service Possible Wed, 19-Apr-2017 09:00 Wed, 19-Apr-2017 17:00 1Subject to CBD
concurrenceApproved
935 Erode 230 KV ANTHIYUR 230 KV 230KV Anthiyur-Gobi entire feeder.For monthly maintenance of Breaker,CT and Line
switch.
Gobi 230KVSS end also programmed to avail LC on 230 Anthiyur-Gobi feeder on the
same daypostponed Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 15:00 1
230 kv mtps to
ingur feeder lc
recommended
Approved
936 Erode 230 KV GOBI 230 KV230 KV ANTHIYUR FEEDER
BREAKER,CT'S WITH LINE SWITCH
FOR ANNUAL RELAY TESTING WORK BY
P&C/GOBI AND FOR MONTHLY MAINTENANCE
WORK
230 KV ARASUR FEEDER,230 KV PALLAKAPALAYAM FEEDER AND 230 KV MTPS II
FEEDER ARE IN SERVICE,IT MAY CATER THE LOADpostponed Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
230 kv mtps to
ingur feeder lc
recommended
Approved
937 Chennai 110 KV SPKoil lines 110 KV Orgadam feeder 2 Quertaly maintenance work Possible Thu, 20-Apr-2017 10:00 Thu, 20-Apr-2017 17:00 1 approved Approved
938 Madurai 230 KV SEMBATTY 230 KV230/110KV Auto III<, HV III, LV III Bkr, CTs
and relays
1. Monthly maintenance work2. Annual relay testing
workDuring the LC period Auto I and II will be in service. POSISBLE Thu, 20-Apr-2017 10:00 Thu, 20-Apr-2017 17:00 1
Due to 110Alandur-
Sembatty # lcApproved
939 Madurai 230 KV KODIKURICHY 230 KVi) 100 MVA Auto-II HV, LV breakers with CTs
and all Isolators.For Monthly maintenance works
During the L.C, Auto-II will be out of service. Auto-III, Auto-I will cater the SS load; Hence
no SS will be affected.POSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
SUB TO WIND
GENERATIONApproved
940 Madurai 230 KV KAYATHAR 230 KVOn 230KV Kayathar - Udayathur feeder
breaker with CT & entire line
a) For monthly maintenance work. . b) Tower to
Tower inspection work.During the LC period, Other end also availing Lc. Hence no SS affected. POSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1 sub to wind gen Approved
941 Madurai 230 KV PUDUKOTTAI 230 KV
230 KV PUDUKKOTTAI- ALUNDUR FEEDER
BREAKER, CT,CVT, ISOLATOTRS AND 230
KV EHT LINE
FOR MONTHLY MAINTENANCE OF BREAKER,
CT, CVT, ISOLATORS AND 230 KV EHT LINE AND
GRT TESTING WORKS
PUDUKKOTTAI 230 KV SS LOAD WILL BE MAINTAINED FROM 230 KV KARAIKKUDY
PG FEEDER AND HENCE THERE WILL BE NO INTERUPTION OF SUPPLY TO ANY
SS. OTHER END ALSO AVAILING SHUT DOWN.
POSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1 0 Approved
942 Erode 110 KV KUNDAH PH5 110KV PH5 TO PH6 #ANNUAL RELAY TESTING WQRK BY GRT WING
KUNDAH
DURING THE ABOVE LC PERIOD THE FEEDER WILL BE RADIALLY FEED FROM
OTHER END.possible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
subject to the load
condition existingApproved
943 Erode 110 KV Erode 110 KV110 KV ERODE - ELUMATHUR FEEDER
BREAKER AND CTMONTHLY MAINTENANCE WORK.
DURING LC PERIOD 110 KV KASPAPETTAI SS TO BE FED FROM PUGALUR 230 KV
SSpostponed Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 15:00 1
feeder cannot be
kept entirely radial
without tsd
Subject to
EE/SLDC/Erode
approval
944 Madurai 110 KV PASUMALAI 230 KV
1).110 KV Pasumalai - Thullukkapatty #
Breaker & CT, LI only. 2) Line LC in Section
between Pasumalai - Soolakarai SS.
1) Monthly Maintenance Works of BKR & CT,LI1) Feeder will be kept radial from Thullukapatty upto Soolakarai SS. 2) Hence there is No
interruption of Supply to any SSPOSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 14:00 1
sub to load
conditionApproved
945 Madurai 110 KV SRPUDUR 230 KVOn 110 KV SR Puthur - Kodayar I # line
section between Nagercoil and Thuckalay.
Tree clearance work and Tower to Tower inspection.
.
During the LC period the 110 KV SR Puthur - KDR I feeder will be radial from SR Puthur
upto Nagercoil (Incl).110 KV SR Puthur - KDR I feeder will be radial from KDR PH II upto
Thuckalay SS (incl).The 110/11 KV Chembonvilai, Cheramangalam and Karungal SS will
avail total Shutdown as approved by SE/KKEDC/NGL and SE/O/TIN. Hence no SS will be
affected.
POSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 14:00 1
Sub to
concurrance from
Traction Eraniyal
Subject to Railway
concurrence
946 Madurai 110 KV KODIKURICHY 230 KV
on 110KV O Thulukkapatti-Papanasam #
section between 110KV O Thulukkapatti ss &
Ambasamuthiram-SS
For Replacement of defective insulators at Loc:No
11
(i)110KV Ambasamuthiram SS & 110 Kv V.K.Puram SS will be Radillay Fed from
Papanasam Power House . (iii) Hence No SS will be affected.POSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
sub to ppm pwd
demandApproved
947 Erode 110 KV UNJANAI 230 KV
1.110KV UNJANAI - ELANAGAR FEEDER
BREAKER , CT'S AND LINESIDE ISOLATOR
ONLY
FOR MONTHLY MAINTENANCE WORKDURING THE ML.C PERIOD ELANAGAR 110KVSS ALSO AVAILING TOTAL
SHUTDOWNpossible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
subject to
elanagar ss
availing tsd
Approved
948 Madurai 230 KVCHECKANURANI SW
STATION 230 KV230KV CKNI-Meelavittan Feeder Entire
For Monthly Maintenance work and Line
Maintenance WorkDuring LC Period there will be no supply in the entire feeder POSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
Sub to load
conditionApproved
949 Madurai 110 KV then I 230 KV110 KV THENI-PERIYAR # III BREAKER
WITH CT ONLY.FOR MONTHLY MAINTENANCE WORK. MONTHLY MAINTENANCE WORK ( R/F PERIYAR) POSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 13:00 1 0 Approved
950 Erode 110 KVPUDHANCHANTHAI 230
KV
110KV Namakkal Feeder CB, CTs and Line
Switch.For regular maintenance works.
During LC period110KV Namakkal SS will be back fed through 110KV PSI-Valayapatty
feeder.No supply interruption.possible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 15:00 1
subject to transfer
of namakkal ss
loads to
valayapatty feeder
Approved
951 Madurai 110 KV KARAIKUDI 230 KV
On 1)110KV SVGA #'r Bkr & its Ct's.
2)110KV KKDI - SVGA #'r S/B KKDI - Kallal
SS.
1) For Monthly Mtc work2) For tree cutting work.During the L.C Period the 110KV Kalayarkoil SS under TSD. 110KV KKDI - SVGA #'r will
be radial upto Kallal SS. Hence there will be No interruption of Supply.POSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
SUB TO LOAD
CONDITIONApproved
952 Erode 230 KVPALLAKAPALAYAM 230
KV230KV BusCoupler CT,Breakers Monthly maintenance work Both Auto Transformer and 230KV Feeders load Transfer to 230KV Bus I possible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
subject to equal
division of loadsApproved
953 Erode 400 KV MTPSII 400KV KARAMADAI-II FEEDERMONTHLY MAINTENANCE WORKS AS
APPROVED BY OCC
UNIT IN SERVICE. 400KV FEEDER KARAMADAI-I ,PALAVADI-I&II AND ICT-I&II ARE IN
SERVICE. ALL 230KV FEEDER MTPS-I,GOBI,METTUR AUTO AND STANDBY
TRANSFORMER EXCEPT THINGALUR FEEDER ARE IN SERVICE.
possible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
occ approved and
subject to load
condition existing
Approved
954 Madurai 110 KV KAVANOOR 230 KV
A) 110 KV KAVANOOR-VALINOKKAM-
ARKAY # BR. & C.T. B) 110 KV KAVANOOR-
VALINOKKAM-ARKAY # SEC. BET.
KAVANOOR & VALINOKKAM
LINE MAINTENANCE WORKSFEEDER TO BE KEPT RADIAL FROM ARKAY UPTO KEELAKARAI & FROM
KAVANOOR UPTO VALINOKKAMPOSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
Sub to Araky
generatonApproved
955 Madurai 230 KV UDAYATHUR 230 KV230KV UDAYTHOOR-KAYATHAR
FDR.BREAKER, CT,CVT&LINE SWMONTHLY MAINTENANCE WORK
DURING THE LC PERIOD THERE WILL BE NO SUPPLY TO ENTIRE FEEDER. OTHER
END ALSO LC APPLIEDPOSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 14:00 1 sub to wind gen Approved
956 Erode
GENERATI
NG
STATIONS
METTUR DPH MACHINE 3 MONTHLY MAINTENANCE WORKSTHE PWD DEMAND WILL BE MEET OUT BY OTHER STANDBY MACHINES ART DAM
POWER House,METTUR.possible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 15:00 1
other machines
will be availableApproved
957 Madurai 230 KV THIRUVARUR 230 KV 230KV Main Bus - II 230KV Main Bus - II maintenance workDuring the LC period 230KV Main Bus - I will be in service . Hence there will be no
interruption of supply to any other Substation.POSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1 0 Approved
958 Chennai 110 KV TONDIARPET 230 KV 110 KV ETPS FEEDER FOR ROUTINE MAINTENANCE WORKS.DURING THE PERIOD OF SHUTDOWN , EXCEPT 110 KV ETPS FEEDER ALL OTHER
FEEDERS AND EQUIPMENTS WILL BE IN SERVICE.Possible Thu, 20-Apr-2017 09:00 Thu, 20-Apr-2017 13:00 1 0 Approved
959 Erode 110 KVOTHAKKAL MANDABAM
230 KV110 KV OKM-Irugur Feeder (Breaker & CT's)
for annual relay testing works by GRT wing and
monthly maintenance works.
During the LC period, 110KV OKM-Irugur feeder loads will be transferred to 230KV CBE
SS. Hence, No SS will be affected.possible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 14:00 1
subject to transfer
of loads to
coimbatore ss
Approved
960 Erode 230 KVOTHAKKAL MANDABAM
230 KV
230/110 KV Auto Transformer-II (HV & LV
Breakers, CTs & LAS)for monthly maintenance works.
During the LC period,(1) 110KV Madukkarai SS,Kinathukadavu SS & Sidco SS will be
under Total Shut down.(2) 110KV OKM-Thudiyalur I feeder loads will be transferred to
230 KV TDLR SS.(if necessary)(3) The remaining two Auto Transformers will be in
service to cater the SS loads.Hence, No SS will be affected.
possible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
subject to the
other auto trs
loading limit after
the tsd relief
Approved
961 Madurai 230 KV EACHANGADU 230 KV110KV ICL-I & ICL-II feeder Breaker and CT's
only One by one.For Monthly Maintenance work
During the shutdown period, there will be No interruption to the EHT Consumer .
Concurence also obtained from the concerned.POSSIBLE Thu, 20-Apr-2017 10:00 Thu, 20-Apr-2017 17:00 1 0 Approved
962 Erode 110 KV DEVIAKURICHI 230 KV For Monthly Maintenance work 110 KV Neyveli # I will be kept Radial from TS-I end possible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
subject to sldc
chennai
concurrence
Approved
963 Erode 110 KV THINGALUR 230 KV110KV Erode II feeder Breaker, CTs & Line
Isolator.Monthly Maintenance. 110KV Gandhi Nagar SS availing total Shutdown. possible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 14:00 1
subject to
gandhinagar ss
availing tsd
Approved
964 Chennai 400 KV Thiruvalam 400 KV 400KV MTPS feeder I and II Tandelta testing
1)400KV MTPS - I kept in OFF condition at both end & MTPS -II feeder in service during
the period of MTPS- I feeder testing.2)400KV MTPS - II kept in OFF condition at both end
& MTPS -I feeder in service during the period of MTPS- II feeder testing.
To be discuss Thu, 20-Apr-2017 09:00 Thu, 20-Apr-2017 17:00 1LILO at Palavadi
on 12.03.2017Approved
965 Madurai 230 KVTUTICORIN -SIPCOT
230 KV
On 230 KV Sipcot- Chekkanoorani feeder
breaker with CTs and line isolators only.
(Through Bus Transfer Breaker)
For monthly maintenance work.During the LC period, the other end has also proposed LC on the same date and no other
SS will be affected.POSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
sub to load
conditionApproved
966 Madurai 400 KV kamuthi 400 KV 400/110 KV ICT- IV MONTHLY MAINTENANCE WORK NO FEEDER AFFECTED IN 110 KV SIDE POSSIBLE Thu, 20-Apr-2017 10:00 Thu, 20-Apr-2017 17:00 1
App in 129
occ/189sub to
solar gen. iv and v
one by one
Approved (One
byOne)
967 Madurai 400 KV kamuthi 400 KV 400/110 KV ICT-V MONTHLY MAINTENANCE WORK ICT -III OR ICT -IV WII BE PUT IN TO SERVICE NO 110KV FEEDER AFFECTED POSSIBLE Thu, 20-Apr-2017 10:00 Thu, 20-Apr-2017 17:00 1
App in 129
occ/190sub to
solar gen. iv and v
one by one
Approved (One
byOne)
968 Madurai 230 KV KADALANGUDI 230 KV230/110KV Auto Transformer II, HV-II, LV-II
and 230KV & 110KV LASMaintenance work No interruption to any SS. Auto II load will be managed by Auto I.
NOT
POSSIBLEThu, 20-Apr-2017 10:00 Thu, 20-Apr-2017 16:00 1
LC programmed
along with Total
s/d
Not approved
969 Erode 110 KV UDUMALPET 230 KV110 KV PONNAPURAM FEEDER BREAKER
UPTO PATSPIN EHT
110 KV PONNAPURAM FEEDER BREAKER UPTO
PATSPIN EHT110 KV PONNAPURAM FEEDER BREAKER UPTO PATSPIN EHT possible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
subject to the load
condition existingApproved
970 Chennai 230 KV Sriperumbudur 400 KV 230KV SV Chatram- Nokia feeder entire line Line patrol and jumper tightness work During the period of shutdown 230kv spr-nokia feeder will be in service Possible Thu, 20-Apr-2017 09:00 Thu, 20-Apr-2017 17:00 1 0 Approved
971 Chennai 110 KV ACHRAPAKKAM 230 KV
110KV ACHARAPAKKAM FEEDER
BREAKERS AND CT'S WITH LINE SIDE
ISOLATOR
TO CARRYOUT MONTHLY MAINTENANCE WORK1.110KV ACHARAPAKKAM SS AND TRACTION LOADS WILL BE TRANSFERED TO
110KV ACK- SP KOIL -I FEEDERPossible Thu, 20-Apr-2017 09:00 Thu, 20-Apr-2017 16:00 1 0 Approved
972 Chennai 230 KVSunguvarchatram 400
KV230KV SVC - Nokia # entire for monthly maintenance work During the LC period the 230KV SVC - Nokia # will be out of service Possible Thu, 20-Apr-2017 09:00 Thu, 20-Apr-2017 17:00 1 0 Approved
973 Chennai 230 KV Nokia 230 KV 230KV Sunguvarchatram # Quartely Maintenance Work During the LC period the 230KV SVC - Nokia # will be out of service Possible Thu, 20-Apr-2017 09:00 Thu, 20-Apr-2017 17:00 1 0 Approved
974 Chennai 230 KV Orgadam 230 kV 230 KV Bus A MONTHLY MAINTENANCE WORK Possible Thu, 20-Apr-2017 09:00 Thu, 20-Apr-2017 17:00 1 0 Approved
975 Erode 110 KV SINGARAPET 230 KV110 KV Capacitor bank II Breaker, CTs and
Capacitor units
To carry monthly maintenance work by
AEE/MTC/230 KV SS / SPTDuring the LC period the 110KV Capacitor bank II breaker will be in handtrip condition approved Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 15:00 1
subject to the
voltage profile in
the grd
Approved
976 Erode 230 KV THUDIALUR 230 KV 230KV PH4 feeder Br & CTs For monthly mtce works 230KV OKM,Coimbatore & Karamadai feeders will be in service possible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 14:00 1subject to the load
condition existingApproved
977 Madurai 110 KV SAMAYAPURAM 230 KV
110KV Samayapuram - Trichy Grid feeder
line portion between 110KV Thiruvanaikoil SS
and 110KV Thennur SS.
For premansoon EHT line inspection work.
During the above period of shut down a) 110KV T.V.Koil SS avial toal shutdown on the
same day. b) 110KV Thennur SS will be fed radially from 110KV Trichy Grid SS. c)
110KV Poovalur SS, M/s.Kothari EHT SC,110KV Valadi SS will be fed radially from
230KV Samayapuram Auto SS. d). The line Isolator towards 110KV Thennur SS at
110KV Thirvanaikoil ss will be Kept opend and earth switch closed. e)The line Isolator
towards 110KV Thirvanaikoil ss at 110KV Thennur SS will be Kept opend and earth
switch closed. f) Necessary concurrence has been obtained from M/s.Kothari EHT Service
for switching operation. g)There will be no interuption to any other SS/EHT consumers.
POSSIBLE Thu, 20-Apr-2017 10:00 Thu, 20-Apr-2017 17:00 1 0 Approved
978 Erode 110 KV ARASUR 230 KVBreaker and Its CTs.
For Monthly maintenance work possible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
subject to the
feeder being kept
radial from
karamadai ss end
Approved
979 Madurai 230 KV ALUNDUR 230 KV230KV Alundur - Pudukkottai Feeder breaker,
CT'S, CVT'S and Line Isolators.
a)For monthly preventive maintenance works by the
AEE/Mtce/Alundur. b)premonsoon inspection and
tree cutting work. c) Relay Testing Work
During the LC period, a) Other end also avail shutdown. b) All other 230 KV feeders will
be in service. c) There will be no interruption of supply to any other feeders.POSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1 0 Approved
980 Madurai 230 KV ALUNDUR 230 KV230KV Alundur - Pudukkottai Feeder breaker,
CT'S, CVT'S and Line Isolators.
a)For monthly preventive maintenance works by the
AEE/Mtce/Alundur. b)premonsoon inspection and
tree cutting work. c) Relay Testing Work
During the LC period, a) Other end also avail shutdown. b) All other 230 KV feeders will
be in service. c) There will be no interruption of supply to any other feeders.POSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1 0 Approved
981 Erode 230 KV SALEM AUTO 230 KV230KV Southern Bus form bus coupler switch
no.489To check the alignment of Link-II feeder Bus switch.
1). 3Nos. Auto transformers will be in Hand trip condition. 2). 230KV Link-I & II will be
radially fed from other end. 3). 230KV Sangarapet and MTPS feeders will be in service.4).
There will be no Interruption to any other SS or Feeders.
postponed Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1to be scheduled
with tsd
Subject to
EE/SLDC/Erode
discussion
982 Madurai 230 KV kayathar230kv230KV Anuppankulam feeder breaker (201-
52), CT,CVT and LASMonthly Maintenance work
During the LC period there will be no supply in 230KV Anuppankulam feeder breaker (201-
52), CT,CVT and LAS. Hence no substation affected.POSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1 0 Approved
983 Erode 110 KV INGUR 230 KV110KV Erode III # Breaker, CTs,Isolators and
Line side IsolatorMONTHLY MAINTENANCE WORKS DPENDING UPON LOAD CONDITION possible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 14:00 1
subject to the load
condition existingApproved
984 Chennai 110 KVGUMMIDIPOONDI 230
KV110KV SRF feeder
Monthly maintenance work, CT clamp and bolt nuts
replacement workConcurance to be obtained from M/s. SRF
Possible with
CBD
concurrence
Thu, 20-Apr-2017 10:00 Thu, 20-Apr-2017 17:00 1
Subject to
Concurance from
M/s. SRF
Approved
985 Erode 230 KV PONNAPURAM 230 KV AUTO-I ,HV-I,LV-I Breaker and Its CTs Monthly Maintenance works.
1. 110KV PETHAPPAMPATTY # WILL BE KEPT RADIAL FROM 230KV UDT SS UP TO
THIS END2. 110KV THUNGAVY # WILL BE KEPT RADIAL FROM 230KV UDT SS UP
TO THIS END 3. HENCE, IT IS EXPECTED THAT THE LOADS WILL BE WITH IN THE
LIMITS OF OTHER TWO AUTO TR's 4. HENCE NO SS WILL BE AFFECTED.
possible Thu, 20-Apr-2017 10:00 Thu, 20-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
986 Madurai 110 KV KAYATHAR 230 KV 110 KV Kayathar GC and LV breaker CTa) For monthly Maintenance Workb) for GRT Relay
testing workDuring that particular day total shutdown will be availed. Hence, no ss affected POSSIBLE Thu, 20-Apr-2017 0:00 Thu, 20-Apr-2017 0:00 1 0 Approved
987 Erode 400 KV karamadai230KV400KV MTPS stage III feeder II main & Tie
breaker, CTs & CVTs.For maintenance works. Other 400KV feeders and ICT 1,2 & 3 will be in service. possible Thu, 20-Apr-2017 10:00 Thu, 20-Apr-2017 17:00 1
occ approved and
subject to load
condition existing
Approved
988 Madurai 230 KV THANJAVUR 230 KV100 MVA Auto Transformers-1 & 2, HV- 1 &
2, LV- 1 & 2 Breakers & CTs. (one by one)
1) Monthly maintenance works by the
AEE/Mtce/Thanjavur,2) Relay replacement works
(i.e. Transformer differential relay from static to
numerical) in Auto Transformer-2 by the
AEE/P&C/Thanjavur.
During the LC period,1) Thanjavur 110 KV Grid SS will avail shutdown in 11 KV
feeders,2) further only if required, 110 KV Thanjavur-NTKudi feeder's tie may be kept
opened at Thanjavur 230 KV SS for containing auto transformer's load,3) all 230 KV &
other 110 KV feeders will be in tied condition,4) no supply interruption to any SS.
POSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
Sub to load
condition and NT
Kudi Auto Loading
Approved
989 Erode 110 KV SALEM AUTO 230 KV110KV Deviakurichi-Singapuram I Entire
FeederRoad & Railway crossing jumpers checking.
1)Thumbal 110KV SS will be availing total shutdown on that day.2)Singapuram 110KV
SS supply availing Deviakurichi-Singapuram II Feeder. 2)110KV Deviakurichi-
Singapuram I Feeder series switch Both 230KV SS will be Kept Opened.3)There will be
no interruption of supply to any SS.
possible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
subject to thumbal
ss tsd and supply
of singapuram ss
loads to feeder 2
Approved
990 Erode 230 KV KARUVALUR 230 KV 230kv TBC/BC breaker and CTs For monthly maintenance work All feeders will be in service possible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 15:00 1
subject to regular
breakers being in
service
Approved
991 Chennai 230 KV ATHIPET 230 KV 230KV NCTPS feeder Routine Maintenance work1. 230KV Mosur feeder source alone will be in service.2. All 110KV feeders , Auto
Transformer & Power Transformer will be in servicePossible Thu, 20-Apr-2017 11:00 Thu, 20-Apr-2017 17:00 1 0 Approved
992 Erode 110 KV METTUR AUTO 230 KV 110KV Singarapet I Feeder For Monthly Maintenance workDuring the LC period 110KV RC plant Feeder will be in service and 110KV Thumbipady
SS total shutdown programedpossible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
subject to the
feeder being kept
radial from
singarapet ss end
Approved
993 Chennai 230 KV CUDDALORE 230 KV& 230KV TAQA # one by one.
GCC/Trichy wing work - 2 Feeder Bay extension for
Ulundurpet and Villupuram Dropper and Jumper
work.Take off tower conductor deviation work.
Durind the period of LC All the loads will be transferred to 230 KV BUS B . Bus coupler
under tripped condition .Hence no interruption of supply.Hence NO Interruption of
SupplyConcurrence obtained from SE/O/Villupuram
0 Thu, 20-Apr-2017 09:00 Fri, 21-Apr-2017 17:00 2 Approved
994 Chennai 230 KV CUDDALORE 230 KV230KV Cuddalore- TAQA # Breaker ,CT, with
Line isolatorFor monthly maintenance works
supply.Hence NO Interruption of SupplyConcurrence obtained from SE/O/Villupuram0 Thu, 20-Apr-2017 09:00 Thu, 20-Apr-2017 17:00 1 Approved
995 Chennai 110 KV THIRUVALAM 230 KV
110 KV Kanchipuram - Kaveripakkam feeder(
in between 110 KV Pallur -110 KV
Kanchipuram and 110 KV Damal SS).
For replacement of defective disc at Loc 93.Damal SS).ii. The 110KV Damal SS is availing total shutdown.Hence there will be no
interruption of supply please.
Possible Thu, 20-Apr-2017 09:00 Thu, 20-Apr-2017 14:00 1 0 Approved
996 Madurai 230 KVANUPPANKULAM 230
KV
100 MVA AUTO TR. I, HV I, LV I, Br. and CT.
onlyFor Monthly Maintenance Works.
During the LC period,the Auto Transformer I already proposed to be availed LC from
17.04.2017 to 28.04.2017. Hence no SS Will be affected.POSSIBLE Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
Sub to load
conditionApproved
997 Erode 110 KVOTHAKKAL MANDABAM
230 KV
110 KV Western Bus Section Entire (Auto Tr-
I, TDLR I & II #'s, Negamam I & II #'s, Sulur #
( Breaker & CT's, Bus dropper & jumper, PT-
I)
for annual bus maintenance works and defective
switch (
During the LC period, (1) 110KV Madhampatty SS,Anthiyur SS,Devarayapuram SS and
Peedampalli SS will be under Total Shut down.(2) 110KV OKM-Thudiyalur I & II feeder
loads will be transferred to 230 KV TDLR SS. (3) 110KV OKM-Negamam I & II feeder will
be kept radial from 110KV Negamam SS.(4) 110KV Sulur SS will be fed from 230KV
Arasur SS.(5) Supply interruption to L&T EHT Service.(4) 230/110KV Auto Transformer-I
will be under Cut OFF condition.(5) The remaining two Auto Transformers will be under
service to cater the SS loads. Hence, No SS will be affected.
postponed Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
this lc has been
scheduled on
13.04.2017
Subject to
EE/SLDC/Erode
approval
998 Erode 110 KV LOWER METTUR 2
110 kV LAS 2nos and 2nos 110 kV Isolaters
to Power Transformer at switch yard LMBPH -
2 / Nerinjipettai
To carry out maintenance at 110 kV LAS 2nos and
2nos 110 kV Isolaters to Power Transformer at
switch yard LMBPH - 2 / Nerinjipettai
(i) Unit - 1 & 2 Generator are shut down condition possible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 15:00 1
bus lc will be
issued subject to
the load condition
existing only
Approved
999 Erode 110 KV SINGAPURAM 230 KV 110 KV Deviyakurichi I Feeder(CT,Breaker) Monthly Maintenance
1.Monthly Maintenance 110 KV Deviyakurichi -I Feeder will be fed radially from
Deviyakurichi end and 110/22KV Thumbal SS is availing TSD on 20.04.2017.2.There will
be no interruption to the intermediate SS.
possible Thu, 20-Apr-2017 9:00 Thu, 20-Apr-2017 17:00 1
subject to thumbal
ss tsd and supply
of singapuram ss
loads to feeder 2
Approved
1000 Erode 110 KV KUNDAH PH3 110KV KPH2 to Thudiyalur Feeder
110KV KPH2 to Thudiyalur Feeder Tower No:34 to
51 Pre-Monsoon Inspection work(PMI) and
Maintenance work.
Bus and Line both end open condition Earth switch closed condition. postponed Thu, 20-Apr-2017 8:00 Thu, 20-Apr-2017 17:00 1to be scheduled
on a sunday
Subject to
EE/SLDC/Erode
approval
1001 Erode 230 KV Salem 400 KV230 KV Pallakapalayam # - Its CTs,
BREAKER, BUS & LINE SWITCHESBoth end Monthly Maintenance Work Both end Monthly Maintenance Work postponed Fri, 21-Apr-2017 8:00 Fri, 21-Apr-2017 14:00 1
230 kv mtps to
anthiyur feeder lc
recommended
Approved Subject to
load condition
1002 Erode 230 KVPALLAKAPALAYAM 230
KV
230KV K.R.Thoppur Feeder CT,Breaker,Bus
&Line Switches and 230KV Bus II
Monthly Maintenance and Rectify the defect in Bus-II
IsolatorsBoth end LC avail on that day postponed Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
230 kv mtps to
anthiyur feeder lc
recommended
Approved Subject to
load condition
1003 Erode 230 KV SALEM AUTO 230 KV230KV KR THOPPUR-PALLAKKAPALAYAM
feeder entireRailway crossing jumpers checking.
1) 230KV KR Thoppur - Pallakkapalayamn feeder breakers kept hand tripped at KR
Thoppur 400KV SS and Pallakapalayam 230KV SS.2) There will be no supply in 230KV
KR THOPPUR-PALLAKKAPALAYAM feeder entire,3) KR Thoppur 400KV SS and
Pallakapalayam 230KV SS are availing breaker and line switches LC on that day.4) There
will be no interruption of supply to any SS.
postponed Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
230 kv mtps to
anthiyur feeder lc
recommended
Approved Subject to
load condition
1004 Madurai 230 KV KARAIKUDI 230 KVOn 1)230KV NT.KUDI #'r Bkr & Ct's 2)230KV
NT.KUDI #'r Entire.1) For Monthly Mtc work.2) Tree Cutting Work.
During the Lc Period all other 230KV #'r will be tied with grid. Hence there will be No
interruption of Supply.0 Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
LC may be
programmed with
total s/d in NTkudi
area. Since
Kadalangudi-
neyveli # ol
Approved Subject to
load condition
1005 Madurai 230 KVNEMALITHIPIYAKUDI
230 KV
A)230KV NEMMELI THIPPIYAKUDI-
KARAIKUDI FEEDER BREAKER, CT's AND
LINE ISOLATOR. B)230KV NEMMELI
THIPPIYAKUDI-KARAIKUDI FEEDER
A) MONTHLY PREVENTIVE MAINTENANCE
WORK BY AEE/MTC/ NEMMELI THIPPIYAKUDI.B)
PREMONSOON INSPECTION WORK BY
AE/LINES/PATTUKKOTTAI.
1) DURING THE LC PERIOD 230/110KV NEMMELI THIPPIYAKUDI SS RADIALLY FED
FROM 230KV THIRUVARUR SS.2) NO INTERRUPTION TO ANY SS AND ALL OTHER
FEEDERS ARE TIED CONDITION.3) IF NECESSARY, 110KV N T KUDI-THANJAVUR
FEEDER TIE WILL BE OPENED AT 230KV N T KUDI SS.
POSSIBLE Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
LC may be
programmed with
total s/d in NTkudi
area. Since
Kadalangudi-
neyveli # ol
Approved
1006 Chennai 230 KV Orgadam 230 kV110 KV Northen Bus ( Kadapperi, Spkoil-I&II,
Palayaseeevaram)MONTHLY MAINTENANCE WORK Possible Fri, 21-Apr-2017 09:00 Fri, 21-Apr-2017 17:00 1 0 Approved
1007 Madurai 230 KV KODIKURICHY 230 KVAuto-III HV & LV breakers with CTs and all
Isolators.Monthly maintenance work
During the L.C period , i)Auto-III will be out of service. ii)Auto-II, Auto-I will cater the SS
load; iii)Hence no SS will be affected.POSSIBLE Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
SUB TO WIND
GENERATIONApproved
1008 Madurai 230 KV KAYATHAR 230 KVOn 230KV Kayathar - Checkannurani-I feeder
breaker with CT & entire line
For a) Monthly Maintenance Work b) Tower to Tower
Inspection WorkDuring the LC period, other end also availing LC. Hence no SS affected. POSSIBLE Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1 0 Approved
1009 Madurai 110 KV SRPUDUR 230 KVOn 110KV SR Puthur - Nagercoil # section
between MPM and Nagercoil.Tree clearance and Tower to Tower inspection
During the LC period,110/11 KV NGL SS will avail total shut down as approved by
SE/KKEDC/NGL. Hence no SS will be affected.POSSIBLE Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 14:00 1 0 Approved
1010 Madurai 230 KV AMUTHAPURAM 230 KV230/33KV Power transformer-4 HV,LV
Breakers with CT's and its 33KV feederMonthly Maintenance Work
1) During the LC period there will be NO supply in P.Tr-4 and its 33KV feeders. 2) If there
is wind generation its 33KV feeders paralleled with other power transformers. 3) No SS
will be affected. 4) Concurrence obtained from SE/NCES/TIN.
POSSIBLE Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
Sub to wind gen
and no blocking of
wind gen
Approved
1011 Erode 110 KV GOBI 230 KV110 KV THINGALUR FEEDER BREAKER
AND CT'S WITH LINE SWITCHFOR MONTHLY MAINTENANCE WORK
SUPPLY TO 110 KV GETTICHEVIYUR SS MAY FED FROM 230 KV THINGALUR
FEEDER,NO OTHER SS WILL AFFECTEDpossible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
subject to
getticheviyur ss
being fed from
thingalur ss end
Approved
1012 Madurai 110 KV ALAGARKOIL 230 KV 110KV ALKL-PSQ 1 # breaker with CT ONLY For monthly maintenance work
During the L.C period the feeder will be radial from PSQ end further the 10e 110KV
Vandiyur & IT Park SS will be under total shutdown ,hence there will be no intrruption of
supply please.
POSSIBLE Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 14:00 1sub to load
conditionApproved
1013 Erode 110 KV Salem 400 KV110 KV Thumbipadi # - Its CT, BREAKER,
BUS & LINE SWITCHESMonthly Maintenance Work During LC Period, 110 KV Thumbipady SS will be avail total shut down. possible Fri, 21-Apr-2017 8:00 Fri, 21-Apr-2017 14:00 1
subject to
thumbipadi ss
availing tsd
Approved
1014 Madurai 230 KVCHECKANURANI SW
STATION 230 KV230KV CKNI-Kayathar-I feeder Entire
For Monthly Maintenance work and Line
Maintenance WorkDuring LC Period there will be no supply in the entire feeder POSSIBLE Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1 0 Approved
1015 Madurai 110 KV VALUTHUR 230 KV
110KV Arkay - Keelakarai - Valinokkam -
Kavanoor section between Arkay and
Keelakarai line.
Tree cutting work.During the LC period evacuation will be done through 110KV Valuthur - Arkay I &II and
Arkay - Mandapam- Perungulam feeders.POSSIBLE Fri, 21-Apr-2017 10:00 Fri, 21-Apr-2017 17:00 1 sub to Arkay gen Approved
1016 Erode 110 KVPUDHANCHANTHAI 230
KV
110KV Kalappanaickenpatty feeder CB, CTs
& Line Switch.110KV East BUs, its PTs and
Bus Side Switches-5 Nos.
For regular maintenance works.
During LC period110KV KN Patty SS availing Total Shut down.110KV Rasipuram SS will
be transferred to 110KV Salem-Malllur feeder.110KV Namagiripet SS will be transferred
to 110KV DVK-Thammampatty feeder.Other 110KV feeders will be catered by Auto-I in
service.No supply interruption.
1. possible 2.
postponedFri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
1. subject to kn
patty ss availing
tsd; 2. to be
availed with tsd
Subject to
EE/SLDC/Erode
approval
1017 Madurai 110 KVRENGANATHAPURAM
230 KV110KV RNPM - SBT-I # Br,CT's Monthly Maintenance works
During LC period the feeder will be radially fed from SBT end upto RNPM SSIntermediate
SS 110KV Minukkampatty SS avail total shutdown.POSSIBLE Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 14:00 1 0 Approved
1018 Madurai 230 KV UDAYATHUR 230 KV230KV UDAYATHOOR-SANKANERI
FDR,BR., CT., CVT., L.SWMONTHLY MAINTENANCE WORK
DURING THE LCPERIOD THEREWILLBE NO SUPPLY TO ENTIRE FEDER. OTHER
END ALSO LC APPLIEDPOSSIBLE Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 14:00 1 Sub to wind gen Approved
1019 Madurai 110 KV TRICHY 230 KV110 KV Trichy Link I & II feeder breaker , CTs
& Line Isolator and line entire one by one.
a) For monthly maintenance works. b) Pre monsoon
inspection
During the LC period a) Trichy 110 KV Grid SS availing total shut down for monthly
maintenance works. b) 110 KV Iyyarmalai SS and 110 KV Pettavaithalai SS loads will be
managed through 110KV Pugalur - Puliyur - Trichy feeder and M/s Welspun Solar power.
c) All other 110 KV feeders will be in service. d) there will be no interruption of supply to
any of the SS.
POSSIBLE Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 16:00 1 sub to wind gen Approved
1020 Erode 110 KVOTHAKKAL MANDABAM
230 KV
110 KV OKM-Irugur # section between
110KV Podanur SS and 110KV Irugur SS.for P.M.I works by lines/TDLR wing.
During the LC period, 110KV Podanur SS will be fed from 230KV OKM SS and 110KV
Irugur SS will be fed from 230KV CBE SS. Hence, No SS will be affected.possible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 14:00 1
subject to the
loads being fed
from either end
Approved
1021 Erode 110 KVOTHAKKAL MANDABAM
230 KV
110KV OKM-Udumalpet II Feeder (Breaker,
CT's & Line Switch)for monthly maintenance works.
During the LC period, 110KV OKM-Udumalpet II feeder will be kept radial from 110KV
Udumalpet SS. Hence, No SS will be affected.possible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 14:00 1
subject to the
feeder being kept
radial from udpt ss
end
Approved
1022 Madurai 110 KV EACHANGADU 230 KV110 kv MCL-II Feeder entire, BREAKERS ,
CT'SFor Monthly maintenance works.
DURING THE ABOVE SHUTDOWN PERIOD THERE WILL BE NO IMPORT RECEIVED
FROM EHT CONSUMER & Concurrence also obtained from the consumer for the
interruption.
POSSIBLE Fri, 21-Apr-2017 10:00 Fri, 21-Apr-2017 17:00 1 0 Approved
1023 Madurai 230 KV SEMBATTY 230 KV230KV SBT - MYVADI # Bkr, CTs and line
entire1. Monthly maintenance work2. Tree cutting work During the LC period the other end is also availing LC. POSSIBLE Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1 0 Approved
1024 Erode 230 KV METTUR TPH230KV MTPH-MTPS FEEDER
BREAKER,CTS AND ISOLATORSFor monthly maintenance works
During the above Lc period 230KV MTPH-AUTO SS Feeder will be in Service and
machine 1,2,3 & 4 in common spell AOH work and machine 4 in individual spell AOH
work and PWD demand meet out by Dam power house units.
postponed Fri, 21-Apr-2017 7:00 Fri, 21-Apr-2017 17:00 1other feeders
would overload
Subject to
EE/SLDC/Erode
approval
1025 Erode 230 KV Udumalpet 400 KV230 KV MYVADI - SEMPATTY FEEDER
BREAKER, CT AND LINE ENTIREMONTHLY MAINTENANCE WORK BOTH END AVAIL LC possible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
subject to the load
condition existingApproved
1026 Erode 110 KV DEVIAKURICHI 230 KV110 KV Deviakurichy-Singipuram feeder- II
Breaker, CTs and Line side isolatorFor Monthly Maintenance work
110KV Deviakurichy - Singipuram feeder- II will be kept radial from Singipuram 230KV
SS end.possible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
subject to the
feeder being kept
radial from
singapuram ss
end
Approved
1027 Erode 110 KV THINGALUR 230 KV110Kv Gobi Feeder Breaker, CTs and Line
Isolator.Monthly Maintenance. 110KV Getticheviyur SS will be availing total Shutdown. possible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 14:00 1
subject to
getticheviyur ss
availing tsd as lc
recommended for
the other end
Approved
1028 Chennai 400 KV Thiruvalam 400 KV 400KV Alamathy feeder - I & II Tandelta Testing
1)400KV Alamathy - I feeder kept in OFF condition at both end & Alamathy -II feeder in
service during the period of Alamathy- I feeder testing.2)400KV Alamathy - II feeder kept
in OFF condition at both end & Alamathy -I feeder in service during the period of
Alamathy- II feeder testing.
Possible OCC
Appd. 129/158Fri, 21-Apr-2017 09:00 Fri, 21-Apr-2017 17:00 1 0 Approved
1029 Madurai 110 KVTUTICORIN -SIPCOT
230 KV
On 110KV Sipcot-TTN-I feeder breaker with
CTs only.For monthly maintenance works.
 During the L.C period, 110 KV Sipcot SS will be under shut down &110 KV Vagaikulam
SS will be radially fed from 230KV Auto SS/TTN end and no other SS will be affected.POSSIBLE Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1 0 Approved
1030 Chennai 230 KVACHRAPAKKAM 230 KV
& SPKoil lines
230KV ACHARAPAKKAM -KALPAKKAM
FEEDER ENTIRE
TO CARRYOUT MONTHLY MAINTENANCE
WORK,Insulator Replacement work
1.230KV VILLUPURAM FEEDER WILL BE IN SERVICE CONDITION2.HENCE NO
INTERUPTION POWER SUPPLY.Possible Fri, 21-Apr-2017 09:00 Fri, 21-Apr-2017 16:00 1 0 Approved
1031 Erode 110 KV METTUR AUTO 230 KV110 KV K.R.Thoppur -Thumbipady feeder
entire.
For checking of Jumbercone Tightness at Railway
crossing Tower LOC NO:41 & 42 and 66 & 67
Thumbipady 110 KVSS Programmed for shutdown on that day.and K.R.Thoppur SS has
Programmed for Mtce work in this feeder on that daypossible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
subject to
thumbipadi ss
availing tsd
Approved
1032 Erode 230 KV METTUR TPH
230KV BUS, Feeders, Breakers, CT's, PT's,
LAS, Earth pits Maintenance (TOTAL BUS
LC)
Annual Maintenance and Testing.
Four Machines at Tunnel Power House is common spell AOH LC and PWD demand meet
out by Dam Power House units.(Total BUS LC required for seven working days from
21.04.2017 to 28.04.2017 on Daily basis)
postponed Fri, 21-Apr-2017 7:00 Fri, 21-Apr-2017 17:00 1
to be scheduled
after 230 kv mtps
3 to thingalur is
back in service
Subject to
EE/SLDC/Erode
approval
1033 Erode 230 KV THUDIALUR 230 KV 110KV Arasur feeder Br & CTs For monthly mtce works & Annual relay testing The feeder will be radial from other end possible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 15:00 1
subject to the
feeder being kept
radial from arasur
ss end
Approved
1034 Madurai 230 KV SANKANERI 230 KV230KV Sankaneri-Udayathoor feeder
Breaker,CTs&Lineswitches.
For monthly maintenance & GRT Annual Relay
Testing.
During the LC Period There willbe no supply inthe Entire feeder, Other end also LC
applied.POSSIBLE Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 14:00 1 Sub to wind gen Approved
1035 Erode 230 KV ARASUR 230 KV230 KV Arasur - Karamadai feeder Br,CTs
and line side IsolatorFor Monthly maintenance workBoth ends) During the LC Period other 5 Nos of 230 KV Feeders will be in service. possible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 15:00 1
subject to the load
condition existingApproved
1036 Erode 110 KV UNJANAI 230 KV110KV puthansanthai-Kalappanaikenpatty
feeder line entireJumper tightness checking During the LC period the KN Patty SS total shutdown possible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
subject to kn patty
ss availing tsdApproved
1037 Erode 230 KV SALEM AUTO 230 KV100MVA Auto Transformer-II, HVII, LVII
Breakers & their CTsMonthly Maintenance work
2Nos. 100MVA Auto Transformer-I & III will be in service and adequate to share the
loads. There will be no interruption to any SS or feeder.possible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
1038 Madurai 400 KV kayathar230kv
400 KV HV Breaker for ICT2(410-52) 400KV
Tie Breaker for ICT2 & ICT3 (411-52),230KV
LV Breaker for ICT 2 (206-52) & 400/230KV
ICT2
Monthly maintenance work
During the LC period there will be no supply in 400 KV Main Breaker for ICT2(410-52)
400KV Tie Breaker for ICT2 & ICT3 (411-52),230KV LV Breaker for ICT 2 (206-52) &
400/230KV ICT2. hence no substation affected.
POSSIBLE Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1App in 129 occ
/194Approved
1039 Erode 110 KV INGUR 230 KV,Isolators and Line side Isolator
MONTHLY MAINTENANCE WORKS DEPENDING UPON LOAD CONDITION possible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 14:00 1
railway traction
feeder 2 to be in
service
Approved
1040 Madurai
GENERATI
NG
STATIONS
KODAIYAR PH2 Generator unit-II
A) Electrical- Monthly maintenance of 1) Exciters
cleaning 2) 55MVA Generator power Transformer 3)
SF6 110KV unit breakerB) mechanical- Monthly
maintenance of TGB oil re circulation
PH-II Machine will be shut down condition. POSSIBLE Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1After s/d of Kod
Ph2Approved
1041 Erode 110 KVKARIAMANGALAM 230
KV
1.110 KV Bargur feeder breaker, CTs & Line
switch 2.Auto Transformer -III with HV- III
Breaker and CTs & LV- III Breaker CTs.
3.Shoolagiri 230KV feeder breaker and CT`s
and Line switch
Carryout Monthly SS Maintenance works by
maintenance wing and Lines wing Programmed Tree
cutting work in 230 KV Karimangalam SS - 110 KV
Bargur SS at Loc No : 86-87 and Loc No: 32-33 and
Neelgiri tree to be remove in Link Line Between 110
Adhiyamankottai SS to Pennagaram SS at Loc No:
69-70
110 KV Bargur and 110/33 KV Penneswaramadam and 110 KV Adhiyamankottai are
availing total shut down. Expected load relief : 60 MW. The station loads will be managed
by keeping Auto Transformer - I & II and 230 KV Mettur feeder in service and also 1 No
Grid feeder in service.
possible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 14:00 1
subject to the tsd
relief being
realized and
subject to the 230
kv mettur to
karimangalam
feeder loading
limit; occ
approved
Approved
1042 Erode 110 KV Pallakapalayam230kv
110 KV Thevur #,110 KV BKB-I# ,110 KV
Bus Coupler, LV-I,LV-II,HV-I,HV-II, 230 KV
Gobi #,230 KV K.R.Thoppur # & 230 KV Bus
Coupler.
Tan Delta Value Measurement in CTs. One after another. 0 Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1 repeat of 53835 Not considered
1043 Erode 110 KV UNJANAI 230 KV
1.110 KV UNJAANI - SANKARI FEEDER
BREAKER,CT AND LINE ISOLATOR
ONLY2.230 KV UNJANAI - KR THOPPUR
FEEDER BREAKER,CT AND LINE
ISOLATOR ONLY
MONTHLY MAINTENANCE WORK110 KV SANKARI FEEDER AVAILING LC ON THAT DAYBOTH ENDS AVAILING LC ON
THAT DAY FOR 230 KV KR THOPPUR FEEDERpostponed Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
other ends have
not appiled for lc
and to be
scheduled with tsd
Subject to
EE/SLDC/Erode
approval
1044 Erode 230 KV PONNAPURAM 230 KV 230 KV Northern Bus EntireFor tightness checking of all clamps and Alignment
of M-I Isolater Switches.
1. 230KV S.D.PALAYAM # will cut off,2. 230KV O.K.M # will cut off,3. 110KV
PETHAPPAMPATTY # WILL BE KEPT RADIAL FROM 230KV UDT SS UP TO THIS
END4. 110KV THUNGAVY # WILL BE KEPT RADIAL FROM 230KV UDT SS UP TO
THIS END 5. Auto Tr II Will be cut off, as the Loads will be with in the limit of other Two
Auto Trs.6. Hence no SS will be affected.
possible Fri, 21-Apr-2017 10:00 Fri, 21-Apr-2017 17:00 1subject to the load
condition existingApproved
1045 Erode 230 KV karamadai230KV230KV Karamadai-Arasur feeder breaker,
CTs & CVTs.For maintenance works and P&C testing works. LC programmed at other end also. possible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 14:00 1
subject to the load
condition existingApproved
1046 Erode 110 KV SALEM AUTO 230 KV
110KV Deviakurichi-Singapuram II Feeder
(Section between Deviakurichi 230KV SS -
Attur 110KV SS)
Road & Railway crossing jumpers checking.
1)110KV Deviakurichi - singapuram II Feeder breaker & CT's maintenance work availing
Deviakurichi SS. 2)Malleikarai 110KV SS will be availing total shutdown on that
day.3)110KV Deviakurichi-Singapuram II Feeder series switch at attur 110KV SS towards
Deiakurichi Side SS will be Kept Opened.4)110KV Deviakurichi-Singapuram II feeder will
be radially upto attur 110KV SS from singapuram 230KV SS.3)There will be no
interruption of supply to any SS.
possible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
subject to
mallikarai ss
availing tsd and
subject to the
feeder being kept
radial from
singapuram ss
end after that
Approved
1047 Madurai 230 KV THIRUVARUR 230 KV
A)AUTO TRANSFORMER-I, HV-I, LV-I
BREAKERS AND CT's.B) 110KV NEMMELI
THIPPIYAKUDI-PUDUKKOTTAI FEEDER
BREAKER, CT's AND LINE
ISOLATOR.(NOW RADIAL FROM 230KV
NEMMELI THIPPIYAKUDI SS TO 110KV
KARAMBAKUDI SS) ONE AFTER
ANOTHER. C) 110KV N.T.KUDI -
KAMBAKUDI FEEDER (LINE PORTION
BETWEEN 230KV N.T KUDI SS TO 110 KV
URANIPURAM SS)
A) FOR MONTHLY MAINTENANCE WORK BY
AEE/MTC/N T KUDI.B) FOR MONTHLY
MAINTENANCE WORK BY AEE/MTC/N T KUDI.C)
FOR PREMONSOON INSPECTION WORK BY
AE/LINES /PATTUKKOTTAI
1) DURING THE LC PERIOD, 110/11KV URANIPURAM SS, 110KV KARAMBAKUDI SS
WILL AVAIL SHUTDOWN2) AUTO TRANSFORMER-II IN SERVICE. 3) IF NECESSARY
110KV N T KUDI-THANJAVUR FEEDER TIE WILL BE OPENED AT 230KV NT KUDI
SS.4) NO INTERRUPTION TO ANY SS AND ALL OTHER FEEDERS ARE TIED
CONDITION.
POSSIBLE Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1Sub to load
conditionApproved
1048 Erode 230 KV KARUVALUR 230 KV230/110kv Autotransformer I HV/LV breaker
CTs and LASFor monthly maintenance work
110kv Annur SS and 110kv sellampampalyam SS total shutdown and 110kv Arasur II
feeder fed from 230kv Arasur SSpossible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
subject to the tsd
relief being
realized
Approved
1049 Erode 110 KV KARUVALUR 230 KV110kv Annur feeder breaker CTs and line
switch
For monthly maintenance work and PMI by palladam
lines110kv Annur SS total shutdown possible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
subject to annur
ss availing tsdApproved
1050 Erode 110 KV UNJANAI 230 KV
1.110KV UNJANAI - PARYTHIPALLY
FEEDER BREAKER, T'S ANDLINESIDE
ISOLATOR ONLY
FOR MONTHLY MAINTENANCE WORKDURING THE L.C PERIOD, PARUTHIPALLY 110KVSS ALSO AVAILING TOTAL
SHUTDOWNpossible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
subject to
paruthipalli ss
availing tsd
Approved
1051 Erode 230 KV METTUR AUTO 230 KV230KV Auxiliary Bus with 230KV Bus coupler
BreakerFor Annual Maintenance work During the LC period 230KV Main Bus will be in service possible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
subject to main
bus being in
service
Approved
1052 Chennai 110 KV CUDDALORE 230 KV
For replacement of flash over insulators at Loc
No.42,44,72 and maintenance of 110 KV Nainar
palayam ABS and checking of jumper tightness in
Railway crossing in Chinna salem spur line Loc 30-
31
Durind the period of LCThe 110 KV Chinnasalem SS will be availing Total
shutdown.Hence NO Interruption of SupplyConcurrence obtained from SE/O/VillupuramPossible Fri, 21-Apr-2017 09:00 Fri, 21-Apr-2017 17:00 1
Subject to load
conditionApproved
1053 Chennai 230 KV MOSUR 230 KV 230 KV TIE BREAKERFOR ATTENDING MONTHLY MAINTENANCE
WORKIDLY CHARGED CONDITION Possible Fri, 21-Apr-2017 09:00 Fri, 21-Apr-2017 14:00 1 0 Approved
1054 Erode 110 KV COIMBATORE 230 KV
110kv COIMBATORE-ARASUR FEEDER
SECTION BETWEEN 110KV KALLIMADAI
SS AND 110KV IRUGUR SS
PMI WORKS BY AE / LINES / COIMBATORE
1. 110KV KALLIMADAI SS WILL BE FED FROM 230KV COIMBATORE SS.2. 110KV
IRUGUR SS, KPR EHT SERVICE AND SULUR RAILWAY TRACTION EHT SERVICE
WILL BE FED FROM 230KV ARASUR SS.
postponed Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 16:00 1
110 kv okm to
irugur feeder
section lc
recommended
Subject to
EE/SLDC/Erode
approval
1055 Madurai 110 KVANUPPANKULAM 230
KV
110 KV APKM - PPTY # Br., CT., and line
switch only.For Monthly Maintenance Works.
During the LC period the 110 KV Paraipatty SS loads will be transferred to 110KV APKM -
T.Kallupatti feeder. Hence no SS will be affected.POSSIBLE Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 13:00 1 0 Approved
1056 Erode 110 KVPALLAKAPALAYAM 230
KV
1.110kv Thevur#,2.110kv BKB-I#,3.110 kv
Bus Coupler,4.Auto Transformer-I HV &LV
side,5.AutoTransformer-II HV &LV
side6.6.230 kv Gobi #7.K.R.Thoppur #8.230
kv Bus coupler CTs,Breaker.
Tan Delta Value measurement in CTs
LC to be availed one by one 1.Thevur 110 kc ss proposed TSD,2.Radilally fed from other
end 3.Auto Transformer-I will be mange 110 kv BKB-I # and sankari-I# Load and Auto
Transformer-II will be mange the 110 kv Sankari-II#,Barrage3 IV # and thevur # load
4.Auto II Transformer will be manage the load 5.Auto I Transformer will be manage the
load 6.Radially fed from other end 7.Radially fed from other end 8.Both Auto
Transformers load Transfer to 230 kv Bus I
possible Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1
will be issued one
by one subject to
the load condition
existing only
Approved
1057 Erode 110 KVPALLAKAPALAYAM 230
KV
1.110kv Thevur#,2.110kv BKB-I#,3.110 kv
Bus Coupler,4.Auto Transformer-I HV &LV
side,5.AutoTransformer-II HV &LV
side6.6.230 kv Gobi #7.K.R.Thoppur #8.230
kv Bus coupler CTs,Breaker.
Tan Delta Value measurement in CTs
LC to be availed one by one 1.Thevur 110 kc ss proposed TSD,2.Radilally fed from other
end 3.Auto Transformer-I will be mange 110 kv BKB-I # and sankari-I# Load and Auto
Transformer-II will be mange the 110 kv Sankari-II#,Barrage3 IV # and thevur # load
4.Auto II Transformer will be manage the load 5.Auto I Transformer will be manage the
load 6.Radially fed from other end 7.Radially fed from other end 8.Both Auto
Transformers load Transfer to 230 kv Bus I
0 Fri, 21-Apr-2017 9:00 Fri, 21-Apr-2017 17:00 1 repeat of 53835 Not considered
1058 Erode 230 KV Salem 400 KV230 KV Unjanai# - Its CTs, BREAKER, BUS
& LINE SWITCHESBoth end Monthly Maintenance Work Both end Monthly Maintenance Work postponed Fri, 21-Apr-2017 8:00 Fri, 21-Apr-2017 14:00 1
230 kv unjanai to
puthansanthai
feeder lc
recommended
Approved
1059 Chennai 230 KV Kadapperi Auto Transformer 3 Monthly Maintenance Work Possible Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 17:00 1possible with CBD
concurrenceApproved
1060 Madurai 110 KV SRPUDUR 230 KV110 KV SR Pudur - Kodayar II feeder section
between Thuckalay and Kodayar PH II.
Tree clearance work and Tower to Tower inspection.
.
During the LC period the 110 KV SRP-KDR II # radial from SRP upto Thuckalay.110/11
KV Marthandam, Kuzhithurai and Munchirai SS will avail total shut down as approved by
SE/O/TIN and SE/KKEDC/Ngl. Parasalai SS will avail Back feeding from KSEB.
Necessary concurrence may be obtained from SRLDC/ Bangaluru. Hence no SS will be
affected.
POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 14:00 1
sub to nadikavau
total s/d.App in
129 occ/163 on
22.4.17. SRLDC
addressed for
revised date
Approved
1061 Chennai 230 KV SPKoil lines Auto Transformer 2 Monthly Maintenance Work Possible Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 17:00 1 approved Approved
1062 Chennai 230 KV SPKoil lines 230 KV Kalpakkam-Echur feeder Insulator Replacement work Possible Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 17:00 1 approved Approved
1063 Erode 230 KV SINGARAPET 230 KV230 KV Vinnamangalam # Breaker, CTs &
line isolators
To carry monthly maintenance work by
AEE/MTC/230 KV SS / SPT
During the LC period both ends Maintenance work programmed and hence no interruption
of supplypostponed Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 15:00 1
to be scheduled
with tsd in
vinnamangalam
ss fed areas
Approved
1064 Chennai 230 KV Nokia 230 KV Auto Transformer MONTHLY MAINTENANCE WORK Possible Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 17:00 1 0 Approved
1065 Erode 230 KV ANTHIYUR 230 KV 100 MVA, AUTO TRANSFORMER I MONTHLY MAINTENANCE WORKSDURING THE LC PERIOD 230/110KV AUTO TRANSFORMER II WILL BE IN SERVICE.
HENCE NO SS WILL BE AFFECTED.postponed Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 15:00 1
tan delta
measurements lc
recommended for
pallakkapalayam
ss
Approved
1066 Madurai 110 KV KAVANOOR 230 KV110 KV KAVANOOR-VALINOKKAM-ARKAY
# SEC. BET. VALINOKKAM & KEELAKARAILINE MAINTENANCE WORKS
FEEDER TO BE KEPT RADIAL FROM ARKAY UPTO KEELAKARAI & FROM
KAVANOOR UPTO VALINOKKAMPOSISBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1
Due to Arkay and
Keelakari LCApproved
1067 Madurai 110 KV ABAN110KV Papanasam-Servalar#1 Breaker with
CTFor carry out Monthly Maintenance work
Present PWd Demand is 200C/S.During the LC period, the servalar machine is in under
stand by condition. Hence no ss will be affected please.POSSIBLE Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 12:00 1
After s/d of SVLR
m/cApproved
1068 Chennai 110 KV VEERAPURAM 230 KV110KV BUS Section -II(Including, bus coupler-
II,110 KV S.P.Koil #-II&110 KV M/S Infosys)Quarterly Maintenance - Annual Relay Test No supply to M/S.Infosys (Concurrence obtained from M/S Infosys) Possible Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 16:00 1
Subject to load
conditionApproved
1069 Madurai 110 KV SERVALAR Servalar PH 110KV switch yard entire. For carrying out monthly maintenance work.
During the LC period 110KV PPM-SVLR feeders 1& 2 earth switches are to be closed at
both end.The present PWD demand is 200 CUSECS. The work will be carried out during
Servalar machine is under stand by condition.Hence there will be no loss of generation.
POSSIBLE Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 16:00 1After s/d of SVLR
m/cApproved
1070 Madurai 110 KV KODIKURICHY 230 KV110KV Tenkasi - Papanasam feeder breaker
with CT and Line IsolatorsFor Monthly Maintenance work
1110kv Tenkasi SS, Kadayam,Shenkottai SS will be under monthly shudown 2110KV
Keelapavoor wind farm SS will be fed from 110KVPapanasam-Kayathar# 3Papanasam
PH will be tied with 110 KV Kayathar - Papanasam # by closing of Bus coupler switch at
rastha SS End.
POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1 0 Approved
1071 Madurai 230 KV KAYATHAR 230 KVOn 230KV Kayathar - Checkannurani-II
feeder breaker with CT & entire line
a) For monthly maintenance work. b) Tower to
Tower inspection work.During the LC period, there will be no supply in the entire feeder. Hence no SS affected. POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1 0 Approved
1072 Erode 230 KV THINGALUR 230 KVAuto Transformer II,HV 2 & LV 2's Breakers
with CTsMonthly Maintenance Works 110KV Erode SS availing Total Shutdown. possible Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1
subject to the
other auto tr
loading limit
Approved
1073 Chennai 110 KV Alamathy 400 KV110KV AVADI-I & 110KV AVADI-II FEEDER
(ONE BY ONE)ANNUAL RELAY TESTING BY GRT WING.
DURING THE ABOVE SHUTDOWN PERIOD 110KV AVADI-I & 110KV AVADI-II
FEEDER (ONE BY ONE) WILL NOT BE IN SERVICE.Possible Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 17:00 1 Already applied Already approved
1074 Madurai 230 KV PASUMALAI 230 KV110 KV Pasumalai - Anupankulam # BKR &
CT only.Maintenance Works of BKr & CT,LI
1) Feeder will be kept radial from Anupankulam feeding Virudhunagar. Aviyur and
Railway Traction loads 2) Hence No interruption of Supply to any SS0 Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 14:00 1 Wrong entry Wrong entry
1075 Erode 110 KV ANTHIYUR 230 KV110 KV ANTHIYUR FEEDER BREAKER CT
& LINE SWITCH.MONTHLY MAINTENANCE WORKS
DURING THE LC PERIOD 110/22KV ANTHIYUR SS WILL AVAIL TOTAL SHUT DOWN.
NO SS WILL BE AFFECTED.possible Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 15:00 1
subject to anthiyur
ss availing tsdApproved
1076 Madurai 110 KV KODIKURICHY 230 KVOn 110KV Papanasam-Servalar I feeder
entire line.
For tree cleareance work and jumper bolt
rectification work at loc no: 13 R phase
During the LC period, Servalar powerhouse generation will be shutdown condition. 2)
EE/O Papanasam also applied for monthly Maintenance work.POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1
After s/d of SVLR
m/cApproved
1077 Madurai 230 KV PUGALUR 230 KV
230KV Pugalur - Renganathapuram feeder
Breaker, CTs & line switch and entire line
only
Monthly maintenance work.During the LC period there will be no supply in 230 KV Pugalur - Renganathapuram
feeder since other end also availing L.C on the same periodPOSISBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1
Due to CKNI ICT
Loading
Subject to
EE/SLDC/ Madurai
approval
1078 Erode 230 KV UNJANAI 230 KV
1. 230KV UNJANAI - P.CHANTHAI FEEDER
BREAKER , CT'S AND LINESIDEISOLATOR
ONLY.
FOR MONTHLY MAINTENANCE WORKDURING THE L.C PERIOD ,P.CHANTHAI 230KVSS ALSO PROGRAMMED TO AVAIL
L.C ON THE SAME FEEDER ON THAT DAYpossible Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1
subject to the load
condition existingApproved
1079 Madurai 230 KVTUTICORIN -AUTO 230
KV
On 230 KV TTN - TTPS -II # breaker with CT
bus and line side switchesFor Monthly Maintenance Work No SS will be affected. POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1 Sub to TTPS gen Approved
1080 Madurai 110 KV ALAGARKOIL 230 KV110KV ALKL-SMPTY 1 # breaker with
C.T.only.for monthly maintenance work .
During the L.C period the feeder will be radial from other end,Hence there will be no
interruption of supply please.POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 14:00 1
SUB TO LOAD
CONDITIONApproved
1081 Erode 110 KV Salem 400 KV110 KV Salem I # - Its CT, BREAKER, BUS &
LINE SWITCHESMonthly Maintenance Work Both end avail LC, Salem Traction will fed from Salem II #. possible Sat, 22-Apr-2017 8:00 Sat, 22-Apr-2017 14:00 1
subject to the
feeder 2 loading
condition
Approved
1082 Madurai 230 KVCHECKANURANI SW
STATION 230 KV230KV CKNI-Kayathar-II feeder Entire
For Monthly Maintenance work and Line
Maintenance WorkDuring LC Period there will be no supply in the entire feeder POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1 0 Approved
1083 Madurai 110 KV then I 230 KV
110 KV THENI-PERIYAR II # (SECTION
BETWEEN THEVARAM SS AND CUMBUM
SS)
FOR MONTHLY MAINTENANCE AND
PREMONSOON INSPECTION WORK.
NO INTERRUPTION TO ANY SS THEVARAM SS WILL BE RADIAL FROM THENI SS &
CUMBUM SS WILL BE RADIAL FROM PERIYAR POWER HOUSE.POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1
Sub to load
conditionApproved
1084 Madurai 110 KV KADALANGUDI 230 KV
110KV Kadalangudy- Aduthurai- Neyveli TS I
feeder (Portion between Kadalangudy,
Aduthurai and Thirupanandal SS)
1)Line inspection and rectification work
2)Maintenance work
No interruption to any SS. 110KV Thirupanandal and Thirupurambium SS proposed to
shutdown. 110KV Jayankondam and Papakudy SS supply fed from Neyveli TS I.POSSIBLE Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 16:00 1
sub to Ney
LoadingApproved
1085 Madurai 110 KV kinnimangalam 230 KV110KV KNMLM - Thirumangalam -
Pasumalai #Monthly maintenance works for Breaker and CT
Then feeder will be radially fed from 230kv SS PSQ. Thirumangalam SS availing total
shutdownPOSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 13:00 1 0 Approved
1086 Erode 230 KVPUDHANCHANTHAI 230
KV
230KV Unjanai feeder CB, CTs, CVTs, Wave
Traps and 230KV Switches.For regular maintenance works.
During LC period230KV Pugalur and Deviakurichy feeders will be kept tied with
grid.230KV Unjanai end also availing LC in the same feeder at opposite end.No supply
interruption.
possible Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1subject to the load
condition existingApproved
1087 Madurai 110 KV KARAIKUDI 230 KVOn 110KV KKDI- Alkarkoil #'r S/B KKDI -
TPR.For Tree Cutting Work.
During the L.C Period 1) 110KV KKDI- Alakarkoil #'r will be radial from other
End.2)110KV Tirupathur & A.Thekkur SS under TSD. Hence there will be No interruption
of Supply.
POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1 0 Approved
1088 Madurai 230 KVRENGANATHAPURAM
230 KV
1)230KV RNPM-Pugalur # Br,CT's & line
switch2)230KV RNPM - Pugalur # Entire line1)Monthly Maintenance works2)Tree cutting works During LC period other end also programmed for availing LC in this feeder. POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 16:00 1
Sub to CKNI ICT
LoadingApproved
1089 Madurai 110 KV KAVANOOR 230 KV
A) 110 KV KAVANOOR-R.S.MADAI-VGTPS
# BR. & C.T. B) 110 KV KAVANOOR-
R.S.MADAI-VGTPS # SEC. BET.
KAVANOOR AND R.S.MADAI
MONTHLY MAINTENANCE WORKS AND LINE
MAINTENANCE WORKSFEEDER TO BE KEPT RADIAL FROM VGTPS POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1 0 Approved
1090 Madurai 230 KV UDAYATHUR 230 KV
230kv Main Bus Section Beyond 230kv SW
89MC & 230kv PoWerTr 3 & 4,HV &
LVBreaker
1.Annual Maintenance of 230kv Bus section beyond
Bus couplr Sw 89MC and Main Bus side sw of Auto
Tr, Power Tr 3 &4
1.During the LC period the Auto Tr., Will be Fed from Transfer BusCoupler Breaker.
2)There willbe nosupply to Power Tr3 &4. Powr Tr3 & 4 loads willbe fed from other Power
Trs
POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 14:00 1
Sub to wind gen
and no blocking of
wind gen
Approved
1091 Madurai 110 KV TRICHY 230 KV
1. 110KV Trichy - Kovilur feeder breaker,
CTs, line isolator and Line portion between
230KV SS Trichy and 110KV Puthanatham
SS.
a) For monthly maintenance works. b) Pre monsoon
inspection
During LC period, 1) 110KV Kovilur feeder Line switch towards Trichy 230KV SS will be
kept opened at 110KV Puthanatham SS. 2) 110KV Kovilur feeder Line switch towards
Puthanatham SS will be kept opened at Trichy 230KV SS. 3)110KV Manapparai SS and
Kavalkaranpatty 110KV SS availing total shut down for monthly maintenance works. 4)
110KV Trichy - Kovilur feeder will be radial from 230KV Renganathapuram SS up to
110KV SS Puthanatham SS. 5) All other 110KV feeders will be in tied condition. 6) There
will be no interruption of supply to any of the intermediate SS. 7) Necessary concurrence
to be obtained from 230 KV Renganathapuram SS.
POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 16:00 1 0 Approved
1092 Madurai 110 KV TRICHY 230 KV1) 110KV BUS ENTIRE 1) 110KV BUS
ENTIRE
1. All 110KV bus isolator maintenance work, 2.
110KV bus coupler alignment checking and
maintenance work.
0NOT
POSSIBLESat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 16:00 1
Feeder condition
not mentionedNot considered
1093 Madurai 110 KV THIRUVARUR 230 KV 110KV BUS LC Entire
Erection of Bus sectionalizing arrangement work,
erection of 110KV Bus Coupler Breaker -II Work,
Shifting, Erection of 1No. 110KV Bus PT & 110KV
Bus Maintenance works.
During the LC period the following SS has programmed total shutdown on the same day.
Hence there will be no interruption of supply to (1) 110 KV Nagappattinam SS (2) 110 KV
Thiruthuraipoondi SS (3)110 KV Thirukuvalai SS (4)110 KV Voimedu SS.(5) 110KV
Surakudi SS - Karaikkal (6)110 KV Kovilvenni SS (7)110KV Vaduvur SS (8) 110 KV
Kodavasal (9) 110KV Thiruvarur SS.(10) 110 KV Thiruvarur - Thanjavur feeder breaker tie
will be opened at Thiruvarur end.110 KV Thanjavur urban SS,110KV Manimandapam SS,
110 KV Mariamman kovil SS, 110 KV Ayyampettai SS, 110 KV Poondi SS and loads will
be fed radially from 110KV Grid SS/Thanjavur. (11) 110 KV Mannargudi SS load will be
fed radially from T(K)GTPS, 110KV Mannargudi feeder tie opened at Thiruvarur end. (12)
110 KV Peralam SS load will be fed radially from 110KV Grid SS Mayiladuthurai, 110KV
Mayiladuthurai feeder tie opened at Thiruvarur end. (13) 110KV KGTPP feeder tie opened
at Thiruvarur end. (14) 110 KV T(K)GTPS express feeder tie will be opened at Thiruvarur
end. (15) 110 KV Narimanam I and II feeders will be hand tripped at Thiruvarur end. (16)
110 KV T.R.Pattinam feeder will be hand tripped at Thiruvarur end. (18) Auto Transformer
I , II & III will be kept isolated. (19) All the 230 KV feeders will be in tied condition. (20)
POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1 sub to Total s/d Approved
1094 Madurai 110 KV SURULIYAR110 KV Suruliyar - Kayathar feeder breaker
with CT onlyFor monthly maintenance work.
During the LC period, the feeder will be radially fed from other end upto Suruliyar PH. No
ss will be affected.POSSIBLE Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 14:00 1 0 Approved
1095 Madurai 110 KV THIRUVARUR 230 KV 110KV Thiruvarur - Thiruthuraipoondi feederLine premansoon Inspection and rectification work,
Breaker, CT's and Isolator maintenance work.
During the LC period 110KV Thiruthuraipoondi SS, 110KV Thirukuvalai SS & 110KV
Voimedu SS availed shunt down on the same day. Hence there will be no interruption of
supply to any other substation.
POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1 0 Approved
1096 Chennai 110 KV TONDIARPET 230 KV 110 KV SEMBIUM FEEDER FOR ROUTINE MAINTENANCE WORKS.DURING THE PERIOD OF SHUTDOWN , EXCEPT 110 KV SEMBIUM FEEDER ALL
OTHER FEEDERS AND EQUIPMENTS WILL BE IN SERVICE.Possible Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 13:00 1 0 Approved
1097 Madurai 110 KV SEMBATTY 230 KV110KV Capacitor bank I and II Bkr, CTs and
cellsMonthly maintenance work During the LC period the capacitor bank willbe in switched off condition. 0 Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 17:00 1
SE/O/MDU
ApprovalApproved
1098 Erode 230 KV Udumalpet 400 KV230 KV MYVADI - PUGALUR FEEDER
BREAKER, CT AND LINE ENTIREMONTHLY MAINTENANCE WORK BOTH END AVAIL LC possible Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1
subject to the load
condition existingApproved
1099 Chennai 110 KV ARNI 230 KV110KV Arani -Singarapet Feeder I
Breaker,110KV CTs and line isolator
Monthly Maintenance work, Breaker clamp tightening
work, 110KV CT Clamp replacement, and Line
Isolator Bolt Nuts replacement work
During the Period of Shut down the 110KV Polur SS is availing Total Shut down. 110KV
Adamangalam SS loads already fed from 230KV T.V Malai SS. Hence there will be no
interruption of Supply.
Possible Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 14:00 1 0 Approved
1100 Chennai 110 KV ARNI 230 KV110KV Arani - Singarapet II Feeder, 110KV
CTs and Line isolator
For 110KV Breaker Monthly Maintenance work, CT
Clamp, and Bolt Nuts replacement work.
At present the 110KV Arani- Singarapet II feeder is in Hand tripped condition. Hence there
will be no Interruption of supply.Possible Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 14:00 1 0 Repeat
1101 Chennai 230 KV Thiruvalam 400 KV 230Kv Thiruvalam Link -I feeder Maintenance & GRT periodical relay testing 1)230Kv Thiruvalam Link -I feeder kept in OFF condition at both end. Possible Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 17:00 1Subject to load
conditionApproved
1102 Erode 110 KV COIMBATORE 230 KV
1.110KV Coimbatore Feeder Breaker and
CTs2.Auto Transformer I(HV, LV breakers,
CTs and LAS)
For Monthly Maintenance Works Scheduled Shutdown at 110/11KV Coimbatore SS possible Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 16:00 1
subject to
coimbatore ss
availing tsd
Approved
1103 Madurai 230 KV KADALANGUDI 230 KV230KV Kadalangudy- Neively TS II feeder
entire
1)Maintenance work 2)Relay testing work at
Kadalangudy end.No interruption to any SS. All other feeders will be in tied condition. POSSIBLE Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 17:00 1
Sub to load
conditionApproved
1104 Madurai 110 KV kamuthi 400 KV110 KV ALANGULAM # BREAKER & CT
ONLYMONTHLY MAINTENANCE WORK
110 KV ALANGULAM SS WILL BE BED FEOM 230/110 KV KODIKURICHI SS .HENCE
NO SUPPLY AFFECTEDPOSSIBLE Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 17:00 1
Sub to wind gen
and no blocking of
wind gen
Approved
1105 Chennai 110 KV ACHRAPAKKAM 230 KV110KV ACHARAPAKKAM - VANDAVASI
FEEDER BREAKERS AND CT'STO CARRYOUT MONTHLY MAINTENANCE WORK 1.110KV VANDAVASI FEEDER WILL BE RADIALLY CHARGED FROM OTHER END. Possible Sat, 22-Apr-2017 00:00 Sat, 22-Apr-2017 00:00 1 0 Approved
1106 Erode 110 KV SINGARAPET 230 KV110 KV Tirupattur # Breaker, CTs & line
isolators
To carry monthly maintenance work by
AEE/MTC/230 KV SS / SPT
During the period of LC 1.110 KV Tirupattur SS end Total shutdown programmed,2.110
KV Tirupattur Railway traction SS load will be fed to 230 KV SS Vinnamangalam through possible Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 15:00 1
subject to
thiruppathur ss
availing tsd and
traction supply
being transferred
to vinnamangalam
ss
Approved
1107 Erode 230 KV SINGARAPET 230 KV Auto transformer I, LV I Breaker & CTsTo carry monthly maintenance work by
AEE/MTC/230 KV SS / SPT
During the LC period1. Auto Transformer I and LV I breaker will be in off condition2. Auto
Transformer II and III will be in service3. 110KV Tirupattur SS total shutdown approved
(42MW)and 110KV Tirupattur # Breaker will be in hand trip condition at Singarapet end4.
110KV Tirupattur Railway traction SS loads will be fed from Vinnamangalam 230KV SS
5. The 110KV Link I, Link II and Ramiyanahally feeders will be in service
possible Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 15:00 1
subject to the
other auto trs
loading limit
Approved
1108 Madurai 230 KV SAMAYAPURAM 230 KV100 MVA Auto Transformer-II, HV-II, LV-II,
Breakers , CT's, and isolatorsMonthly Maintenance Work
During the above Shutdown Period 100 MVA Auto Transformer I will be in service. No
interruption to any other SSPOSISBLE Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 17:00 1 0 Approved
1109 Erode 110 KV THUDIALUR 230 KV 110KV Capacitor Bank I & II one by one For monthly mtce works During the LC period, other Capacitor Bank will be in service approved Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1
subject to the
voltage level in the
grid
Approved
1110 Madurai 230 KV SRPUDUR 230 KVa) On 230 KV SR Puthur - Sankaneri feeder
Entire
a) Tower toTower Inspection.Checking of
Healthyness of Jumper b. Annual relay testing work
During the LC period 230 KV SR Puthur -Koodankulam feeder will be in service. Hence
No SS will be affected.POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 14:00 1 sub to wind gen Approved
1111 Madurai 230 KV SANKANERI 230 KV230KV Sankaneri-SRputhoor feeder
Breaker,CTs&Lineswitches.
For monthly maintenance & GRT Annual Relay
Testing.
During the LC Period There willbe no supply inthe Entire feeder, Other end also LC
applied.POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 14:00 1 sub to wind gen Approved
1112 Erode 110 KV ARASUR 230 KV110 KV Capacitor Banik -III Br,CTs and
Cellunits.For Monthly maintenance work During the LC Period other 2 Nos of Capacitor bank will be in service. approved Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 12:00 1
subject to the
voltage level in the
grid
Approved
1113 Erode 110 KV Singarapet 110 KV110 KV SIPCOT # SF6 Bkr,CTS & Line
IsolatorMonthly maintenance work
During the LC period 110KV Pochampally SIPCOT SS availing total shutdown, hence no
interruption of supplypossible Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 15:00 1
subject to
pochampalli sipcot
ss availing tsd
Approved
1114 Madurai 110 KV TRICHY 230 KV
1. 110KV Trichy - Kovilur feeder breaker,
CTs, line isolator and Line portion between
230KV SS Trichy and 110KV Puthanatham
SS.
For over head crossing the proposed LILO of
Alandur-Alagarkoil 230kv line at Mondipatty 230kvss
(section between Manaparai & Alandur)
During LC period, 1) 110KV Kovilur feeder Line switch towards Trichy 230KV SS will be
kept opened at 110KV Puthanatham SS. 2) 110KV Kovilur feeder Line switch towards
Puthanatham SS will be kept opened at Trichy 230KV SS. 3)110KV Manapparai SS and
Kavalkaranpatty 110KV SS availing total shut down for monthly maintenance works. 4)
110KV Trichy - Kovilur feeder will be radial from 230KV Renganathapuram SS up to
110KV SS Puthanatham SS. 5) All other 110KV feeders will be in tied condition. 6) There
will be no interruption of supply to any of the intermediate SS. 7) Necessary concurrence
to be obtained from 230 KV Renganathapuram SS.
0 Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1 repeat Repeat
1115 Erode 230 KV SALEM AUTO 230 KV110KV Singapuram Feeder-II Breakers, and
CT's.Monthly Maintenance work.
1. 110KV Singapuram feeder-II feeder will be radially fed from other ends. 2. There will be
no interruption to any SS or feeder.possible Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1
subject to the
feeder being kept
radial from
singapuram ss
end
Approved
1116 Erode 230 KV INGUR 230 KV MONTHLY MAINTENANCE WORKS DEPENDING UPON LOAD CONDITION postponed Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 14:00 1
ponnapuram ss
end auto tr lc
recommended
Approved
1117 Erode 110 KV INGUR 230 KV110KV Ponnapuram # II Breaker, CTs,
,Isolators and Line side IsolatorMONTHLY MAINTENANCE WORKS DEPENDING UPON LOAD CONDITION postponed Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 14:00 1
ponnapuram ss
end auto tr lc
recommended
Subject to
EE/SLDC/Erode
approval
1118 Madurai 110 KV kamuthi 400 KV110 KV UTHUMALAI # BREAKER AND CT
ONLYMONTHLY MAINTENANCE WORK
110 KV UTHUMALAI SS ALSO PROGRAMMED SHUTDOWN ON SAME DATE ,NO SS
AFFECTEDPOSISBLE Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 14:00 1
SUB TO WIND
GEN.
Approved Subject to
wind Generation
1119 Chennai 110 KVGUMMIDIPOONDI 230
KV110KV Durainallur feeder
Monthly Maintenance work,CT clamp and bolt, nuts
replacement workduring the period of shutdown the 110KV Durainallur SS availing total shut down Possible Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 17:00 1 0 Approved
1120 Erode 230 KV PONNAPURAM 230 KV AUTO-II ,HV-II,LV-II Breaker and Its CTs Monthly Maintenance works.
1. 110KV PETHAPPAMPATTY # WILL BE KEPT RADIAL FROM 230KV UDT SS UP TO
THIS END2. 110KV THUNGAVY # WILL BE KEPT RADIAL FROM 230KV UDT SS UP
TO THIS END 3. 110KV DHARAPURAM SS WILL BE AVAIL TOTAL SHUTDOWN ON
22.04.20173. HENCE, IT IS EXPECTED THAT THE LOADS WILL BE WITH IN THE
LIMITS OF OTHER TWO AUTO TR's 4. HENCE NO SS WILL BE AFFECTED.
possible Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 17:00 1
subject to the load
condition existing
and the other auto
trs loading limit
Approved
1121 Madurai 110 KV KAYATHAR 230 KV110 KV Kayathar - Kodayar # breaker with
CT only.For Monthly Maintenanace work During the LC period other end also avails LC. Hence, No ss affected POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1 0 Approved
1122 Erode 230 KVVINNAMANGALAM 230
KV
22.04.2017 ---Auto Transformers No.II &
110KV V.patty #, Tirupattur # breakers,
For replacing the defective surge monitors in
230/110 KV LAS, for carrying out routine monthly
maintenance works.
1,Total shutdown has been approved by CE/D/Vellore vide Memo.
No.:CE/D/VLR/EE/AEE/Gl/ F. Shut down/ D. 142 /2017, Dt:21.03.2017 and
SE/D/Tirupatture vide Memo.No:SE/TEDC/TPR/ Gen / AE / F.Shutdown/D.3287/17,
dt:21.03.2017.2,2,During the totalshutdown on 22.04.2017 , there will be no supply to
following 110/11 KV sub station,1) Chinnavarikkam SS, 2) Pernambut SS,3) Paravakkal
SS,4) Vaniyambadi SS,5) Alangayam SS.
Possible Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 14:00 1 0 Approved
1123 Erode 110 KV Krishnagiri 110 KV 110 KV Kovilvenni - Vaduvur feeder. For carrying out premonsoon inspection works.During the LC period,1) Vaduvur 110 KV SS will avail shutdown on the same day,2) no
supply interruption to any SS.POSSIBLE Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 17:00 1 0 Approved
1124 Madurai 110 KV THANJAVUR 230 KV110 KV and 230 KV Bus-Coupler breakers
(one by one)
For monthly maintenance works by the
AEE/Mtce/Thanjavur.
During the LC period,1) all 110 KV & 230 KV feeders will be in tied condition,2) 230 KV
Bus-Coupler breaker is already kept in standby condition,3) no supply interruption to any
SS.
POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1 0 Approved
1125 Madurai 110 KV THIRUVARUR 230 KV
A) 110KV NEMMELI THIPPIYAKUDI -
PATTUKKOTTAI-I FEEDER BREAKER, CT's
AND LINE ISOLATOR. B) 110KV NEMMELI
THIPPIYAKUDI - PATTUKKOTTAI-I FEEDER
ENTIRE.
A) FOR MONTHLY MAINTENANCE WORK BY
AEE/MTC/NEMMELI THIPPIYAKUDI.B)
PREMONSOON INSPECTION WORK BY
AE/LINES/PATTUKKOTTAI.
1) DURING THE LC PERIOD 110KV PATTUKKOTTAI, PATTUKKOTTAI URBAN SS
WILL AVAIL TOTAL SHUTDOWN.2) DURING THE LC PERIOD 110KV PERAVURANI,
SETHUBAVACHITRAM AND KEERAMANGALAM SS WILL BE FED FROM 110KV
NEMMELI THIPPIYAKUDI - PATTUKKOTTAI-II FEEDER.3) NO INTERRUPTION TO
ANY OTHER SUBSTATIONS AND ALL OTHER 110KV FEEDERS ARE TIED
CONDITION. 4) If necessary, 110KV Kovilkalappal-Madukkur-Pattukkottai tie will be
created (by closing the 110KV Line Isolator (switch No.2) at 110KV Madukkur SS and
110KV Madukkur feeder Breaker hand tripped condition at 230KV N T Kudi SS.
POSSIBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1Sub to load
conditionApproved
1126 Madurai 230 KV PERAMBALUR 230 KV1)230/110KV Auto-III,HV-III,LV-III Breakers
CT'S & Isolaters only.
For monthly maintenance works and annual
maintenance ralay test by wing /GRT/Trichy
During above period of shut down1)110KV Kallakudy -I feeder and 110KV DSSL
(Krishnapuram)feeder tie will be opened at Perambalur SS. 2)The remaining loads will be
fed Through Auto Transfermer III(100MVA) of Perambalur Auto SS.
POSSIBLE Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 16:00 1 0 Approved
1127 Erode 230 KV KARUVALUR 230 KV230 /110kv Autotransformer - II HV/LV
breaker CTs and LASFor monthly maintenance work
110kv Avinashi SS total shutdown and 110kv Karuvalur - Arasur II feeder kept radial from
230kv Arasur and 110kv Earipalayam SS fed from 230kv Arasur SSpossible Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1
subject to the tsd
relief being
realized
Approved
1128 Erode 110 KV KARUVALUR 230 KV110kv Karuvalur - Arasur I feeder breaker
CTs and line switch
For monthly maintenance work and for PMI by
palladam lines
110kv AVINASHI SS TOTAL SHUTDOWN AND 110kv Earipalayam SS fed from 230kv
Arasur SS radiallypossible Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1
subject to avinashi
ss availing tsdApproved
1129 Erode
GENERATI
NG
STATIONS
KUNDAH PH2
UNIT-I GENERATTOR SF6 BREAKER,
POWER TRANSFORMER AND ITS
ACCESSIORIES
FOR MONTHLY MAINTENANCE WORK SF6 BREAKER OFF IN CONDITION TOP AND BOTTOM BUS OPEN IN CONDITION 0 Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1 SLDCErode Approved
1130 Erode 110 KV KARAMADAI 230 KV110KV Jagathala spurline on 110KV
Thudiyalur-Sandinallah Main Line.
PMI works in between Loc.01 and 21 by
AE/Lines/Kattabettu
At Kattabettu switching station, the Switch 'S2'& ;S3' (Bottom)Switches will be opened
and switch 'S3possible Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1
subject to
jagathala ss
availing tsd and
the supply being
extended to
kothagiri and
kattabettu ss from
110 kv mtplm to
mathampalayam
feeder
Approved
1131 Chennai 230 KVTHIRUVANNAMALAI 230
KV
1. Autotransformer - II, Breaker, CT's and
LAS,2. 110 KV Tiruvannamalai Link #,
Breaker, CT's and Line Isolator,3. 110 KV
Tiruvannamalai - Vinnavanur #, Breaker,
CT'and Line Isolator.
Monthly maintenance work
During the period of L/C time,1. 110 KV Tiruvannamalai SS & 110 KV Vinnavanur SS
availing total S/D,2. Autotransformer-II will be OFF condition,3. Autotransformer - I will be
in service and cater the station loads. Hence there is no interruption of supply please.
Possible Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 17:00 1Subject to load
conditionApproved
1132 Erode 110 KV PYKARA110KV PYKARA - MOYAR 2 # (BREAKER
AND CT)FOR MONTHLY MAINTENANCE WORK NIL possible Sat, 22-Apr-2017 8:00 Sat, 22-Apr-2017 17:00 1
feeder 1 will be in
serviceApproved
1133 Chennai 110 KV CUDDALORE 230 KV Section between SASL Co Gen to
Eachangadu SS
For checking jumper tightness at railway crossing
locations. Loc.Nos. 3 - 4
Durind the period of LCHence NO Interruption of SupplyConcurrence obtained from
SE/O/VillupuramPossible Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 17:00 1
Concurrence from
SLDC/MaduraiApproved
1134 Chennai 110 KV CUDDALORE 230 KV110 KV Neyveli- villupuram IISection between
Arasur SS to 110 KV Villupuram SSFor checking jumper tightness at railway crossing
During the period of LCHence NO Interruption of SupplyConcurrence obtained from
SE/O/VillupuramPossible Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 17:00 1
Subject to load
conditionApproved
1135 Chennai 110 KV THIRUVALAM 230 KV between 110KV Katpadi SS to110KV Vellore
SS).
For replacement of aged disc at loc: 90. Vellore SS-110KV Katpadi SS.ii. The 110KV Thorapadi SS, 110KV Vellore SS are
availing total Shutdown. Hence there will be no interruption of supply please.
Possible Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 14:00 1 0 Approved
1136 Chennai 230 KV THIRUVALAM 230 KV 230KV Thiruvalam - Link I feeder.For Jumper tightness checking at Loc: 17 and EHT
Line Maintenance Works. feeders 230KV Link II, Singarapet, S.P.Koil feeders are in service.Hence there will be no
interruption of supply please.
Possible Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 14:00 1Subject to load
conditionApproved
1137 Chennai 230 KV THIRUVALAM 230 KV
beakers and its Ctsii) On 110KV Vellore-II
O/L & E/L Relay in 110KV Vellore-II Feeder
and monthly maintenance workiii)On 230KV
i)For fixing of O/L&E/L Relay in 110KV Velore-II
Feeder by GRT Wing /Thiruvalam and monthly
maintenance work.
During the period of LC i) The 110KV Vellore SS, 110KV Thorapadi SS, of VEDC/Vellore
are availing Total shutdown on 22.04.2017.The Total shutdown approved and
concurrence obtained by Chief Engineer/Distribution / Vellore ii) Auto-Tr-I ,HV-I,LV-I, Auto
230KV Mosur feeders will be in service and cater the SS Loads. Hence there will be no
interruption of supply please.
Possible Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 17:00 1 0 Approved
1138 Chennai 230 KV VILLUPURAM 230 KV 230KV Ulundurpet-Villupuram -# For monthly maintenance works Other 230KV feeders will be in service (For tightening of jumpers 0 Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 17:00 1 Approved
1139 Chennai 110 KV Villapuram 110 KV 110 KV VPM- Acharapakkam-I# Breaker & CT maintenance worksjumpers tightening works in the line between Villupuram
Possible Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 17:00 1 0 Approved
1140 Chennai 110 KV Villapuram 110 KV 110KV VPM-T.V.Malai-# Breaker & CT maintenance worksjumpers tightening works in the line between Villupuram
Possible Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 17:00 1 0 Approved
1141 Erode 110 KV SINGAPURAM 230 KV 110KV Deviyakurichi- II Feeder(CT,Breaker) Monthly Maintenance
1.Monthly Maintenance 110KV Deviyakurichi II Feeder will be fed radially from
Deviyakurichi end and 110/22KV Athur SS is availing TSD on 22.04.2017.2.There will be
no interrupted to the intermediate SS.
possible Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1subject to athur ss
availing tsdApproved
1142 Chennai 110 KV SIRUSERI 230 KV 110 KV Eastern Bus & 110 KV Siruseri -I # Maintenance work
DURING THE PERIOD OF SHUTDOWN 1)110KV EASTERN BUS,100MVA Auto
Transformer-I ,110KV Siruseri-I# & 110KV TCS # will not be inservice.2)110KV Siruseri-I#
load will be fed by 110KV Siruseri-II# of 230KV Siruseri SS. 3)110KV TCS # load will be
fed from 110KV Siruseri SS
Possible Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 17:00 1 0 Approved
1143 Chennai 230 KV SIRUSERI 230 KV 110 KV Eastern Bus & 110 KV Siruseri -I # Maintenance work
DURING THE PERIOD OF SHUTDOWN 1)110KV EASTERN BUS,100MVA Auto
Transformer-I ,110KV Siruseri-I# & 110KV TCS # will not be inservice.2)110KV Siruseri-I#
load will be fed by 110KV Siruseri-II# of 230KV Siruseri SS. 3)110KV TCS # load will be
fed from 110KV Siruseri SS
Repeat Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 17:00 1 0 Repeat
1144 Chennai 230 KV ACHRAPAKKAM 230 KV 100 MVA AUTO TR.III FOR MONTHLY MAINTENANCE WORK1.100 MVA AUTO TR.I & II Will be inservice cater the entire ss loads,2.110 kv s p koil#
and Korattur-II # Will be radial from other endPossible Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 12:00 1 0 Approved
1145 Erode 230 KV KUNDAH PH3 230KV KPH2 to KPH3 Feeder230KV KPH2 to KPH3 Feeder Pre-Monsoon
Inspection work(PMI) and Maintenance work.Bus and Line both end open condition Earth switch closed condition. possible Sat, 22-Apr-2017 8:00 Sat, 22-Apr-2017 17:00 1
subject to the load
condition existingApproved
1146 Chennai 230 KV THARAMANI 230 KV 230 KV Kalivanthapattu feeder Qtrly. Mtce. work other 230 KV Feeders will be in servicePossible OCC
Appd.159Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 17:00 1 0 Approved
1147 Madurai 230 KV KADALANGUDI 230 KV230KV Kadalangudy- Neively TS II feeder
entire
1)Line inspection and rectification work
2)Maintenance workNo interruption to any SS. All other feeders will be in tied condition. POSISBLE Sat, 22-Apr-2017 9:00 Sat, 22-Apr-2017 17:00 1
LC approved on
22.04.17 and
programmed
accordingly
Approved
1148 Chennai 110 KV Kadaperi 230kv 110 KV KITS- Madampakkam # Insulator Replacement at loc.2
Possible with
CBD
Concurrence
Sat, 22-Apr-2017 09:00 Sat, 22-Apr-2017 12:00 1 0 Not approved
1149 Madurai 230 KV KADALANGUDI 230 KV230KV Kadalangudy- Neively TS II feeder
entire
1)Monthly maintenance work 2)Relay testing work at
Kadalangudy end.No interruption to any SS. All other feeders will be in tied condition. POSISBLE Sat, 22-Apr-2017 10:00 Sat, 22-Apr-2017 17:00 1
LC approved on
22.4.17 and LC
programmed
accordingly
Approved
1150 Madurai 230 KVCHECKANURANI SW
STATION 230 KV230KV CKNI-Sembatty Feeder
For Monthly Maintenance work and Line
Maintenance work
During the LC Period, there will be no supply in the entire feeder and About 100MW
Shutdown has been proposed in sembatty area.
NOT
POSSIBLESun, 23-Apr-2017 9:00 Sun, 23-Apr-2017 17:00 1
ONLY 70MW
TOTAL S/D.
MORE S/D
NEEDED
Approved Subject to
load condition
1151 Madurai 230 KV SEMBATTY 230 KV230KV SBT - CKNI # Bkr, CTs, relays and
line entire
1. Monthly maintenance work2. Tree cutting work3.
Annual relay testing work
During the LC period the other end is also availing LC. Load relief: Thadicombu SS -
30MW, Thamaraipadi SS - 16 MW, Dindigul SS - 16 MW, V.K.Patti SS - 8 MW, total - 70
MW
NOT
POSSIBLESun, 23-Apr-2017 9:00 Sun, 23-Apr-2017 17:00 1
ONLY 70MW
TOTAL S/D.
MORE S/D
NEEDED
Approved Subject to
load condition
1152 Chennai 230 KVGUMMIDIPOONDI 230
KV230KV NCTPS feeder bay
Breaker Isolator rectification work and monthly
maintenance work , CT cmanp and bolt nuts
replacement work
Concurance may be obtained from OD/NCTPS To be discuss Sun, 23-Apr-2017 10:00 Sun, 23-Apr-2017 17:00 1 0 Approved
1153 Chennai 230 KV TONDIARPET 230 KV 230KV MIDDLE BUS SECTION
230KV MIDDLE BUS SECTION WEAK JUMPERS
REPLACEMENT AND CLAMPS TIGHTNESS
CHECK.
1.230KV TPT-NCTPS-II FEEDER WILL NOT BE IN SERVICE.2. 100 MVA AUTO TR-I
WILL NOT BE IN SERVICE.3. 230KV LOAD TO BE RESTRICTED TO TWO SOURCE
FEEDERS.
To be discuss Sun, 23-Apr-2017 06:00 Sun, 23-Apr-2017 17:00 1 0 Approved
1154 Chennai 230 KV MANALI 230 KV230kv Alamathy-2 and 230kv Mylapore
feeders
1.For jumpering of 230kv OH line and 230kv Cable
point in Alamathy-2 feeder2.For looping of 230kv
feeder at LOC-1 tower.
a.110kv Panjetty feeder 110 kv Metrowater and 110kv Korattur feeder loads will be
transferred to other endsAfter the LCa.230kv Alamathy-2 feeder will be in service via GIS
bay No-207and 230kv line switch in Alamathy-2 feeder will be kept open at AIS SS end b.
feeder jumper towards will be kept open at LOC-1 tower.
To be discuss Sun, 23-Apr-2017 06:00 Sun, 23-Apr-2017 11:00 1 0 Pending
1155 Chennai 230 KV CUDDALORE 230 KV 230 KV Taqa-Deviakurichi #
For replacement of flashed over insulators at loc 59
and for checking jumper tightness at railway
crossing location. Loc.Nos.62-63 & 103-104.
During the period of LC 230 KV Deviakurichi SS will be fed from Budansandai
&K.R.thoppu EndHence NO Interruption of SupplyConcurrence obtained from
SE/O/Villupuram
Possible Sun, 23-Apr-2017 09:00 Sun, 23-Apr-2017 17:00 1 Possible Approved
1156 Erode 230 KV KUNDAH PH3 230KV KPH3 to Karamadai feeder
230KV KPH3 to Karamadai feeder Tower No:73-82
Pre-Monsoon Inspection work(PMI) and
Maintenance work.
Bus and Line both end open condition Earth switch closed condition. postponed Sun, 23-Apr-2017 9:00 Sun, 23-Apr-2017 17:00 1
230 kv arasur to
gobi feeder lc
recommended
Approved
1157 Madurai 110 KV KODAIYAR PH2 110KV KAYATHAR FEEDER SF6 BREAKERMonthly maintenance of 110KV Kayathar feeder SF6
breakerFeeder will be radial from other end. Hence no SS will be affected. POSISBLE Sun, 23-Apr-2017 9:00 Sun, 23-Apr-2017 17:00 1 Approved
1158 Erode
GENERATI
NG
STATIONS
KUNDAH PH5 UNIT NO:02NEW ABB DIFFERENTIAL PROTECTION RELAY
COMMISSIONING WORK BY GRT WING KUNDAH
DURING THE ABOVE LC PERIOD THE UNIT NO 2 WILL BE UNDER NOT S/B
CONDITION.possible Sun, 23-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 3
3 days lc subject
to the grid
condition and the
other unit being
available
Approved
1159 Erode
GENERATI
NG
STATIONS
KUNDAH PH3 Unit III For monthly maintenance Unit under shutdown condition, SF6 breaker open condition possible Sun, 23-Apr-2017 8:00 Sun, 23-Apr-2017 17:00 1subject to the grid
condition existingApproved
1160 Chennai 230 KV KORATTUR 230 KV 100MVA AUTO TRANSFORMER - II General Maintenance work 100MVA Auto TRANSFORMER - I & III will be inservice Possible Sun, 23-Apr-2017 09:00 Sun, 23-Apr-2017 17:00 1Subject to load
conditionApproved
1161 Chennai 230 KV KOYAMBEDU 230 KV 230 KV Southern BusFor attending alignment problem of 230 KV SPR
Feeder- Bus side Isolator
230 KV SPR Feeder & 100 MVA Auto Transformer-I not in service. Load may be
restricted within 230 Kv GIS Feeder and 100 MVA Auto Transfomer II & IIIPossible Sun, 23-Apr-2017 10:00 Sun, 23-Apr-2017 17:00 1 0 Approved
1162 Chennai 230 KV TONDIARPET 230 KV 230 KV ETPS FEEDER FOR ROUTINE MAINTENANCE WORKS.DURING THE PERIOD OF SHUTDOWN , EXCEPT 230 KV ETPS FEEDER ALL OTHER
FEEDERS AND EQUIPMENTS WILL BE IN SERVICE.Possible Sun, 23-Apr-2017 09:00 Sun, 23-Apr-2017 13:00 1 0 Approved
1163 Chennai 230 KV KORATTUR 230 KV 230 KV Gumidipoondi - Sulurpet feeder Jumper Tightness at various location All other feeder will be in services To be discuss Sun, 23-Apr-2017 08:00 Sun, 23-Apr-2017 18:00 1Already approved
on 18th April 2017Approved
1164 Chennai 400 KV Sriperumbudur 400 KVAuto-4,400/110kv,200MVA & 110KV Western
Bus enitre
Monthly maintenace and Half yearly Bus mainteance
workDuring the period of shutdown Auto-5 will be in service
Possible OCC
Appd 129/199Sun, 23-Apr-2017 09:00 Sun, 23-Apr-2017 17:00 1 0 Approved
1165 Erode 110 KV THUDIALUR 230 KV 110KV Geddai I & II feeders one by one For monthly mtce works Being Sunday load will be minimum. During the LC period other feeder will be in service possible Sun, 23-Apr-2017 9:00 Sun, 23-Apr-2017 15:00 1subject to the load
condition existingApproved
1166 Erode 110 KV KUNDAH PH2110KV THUDIYALUR FEEDER NO 1&2 SF6
BREAKER AND ITS ACCESSIORIESFOR MONTHLY MAINTENANCE WORK SF6 BREAKER OFF IN CONDITION TOP AND BOTTOM BUS OPEN IN CONDITION 0 Sun, 23-Apr-2017 9:00 Sun, 23-Apr-2017 17:00 1 SLDC/Erode Approved
1167 Erode
GENERATI
NG
STATIONS
PUSHEP UNIT 1 NEED BASE MAINTENANCE WORK UNIT 1 IN SHUTDOWN CONDITION possible Sun, 23-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 3
3 days lc subject
to the grid
condition existing
Approved
1168 Chennai 110 KV THIRUVALAM 230 KV
Kaveripakkam SS).
For EHT Line Maintenance Works(Jumper tightness
checking work). Kaveripakam SS and Sipcot SS are availing total Shutdown. Hence there will be no
interruption of supply please.
Possible Sun, 23-Apr-2017 09:00 Sun, 23-Apr-2017 14:00 1 0 Approved
1169 Chennai 110 KV THIRUVALAM 230 KV
i)On 110KV Kaveripakkam Feeder Breaker
and its CTs , for fixing of O/L & E/L Relay in
110KV Kaveripakkam Feeder and monthly
maintenance work
i)For fixing of O/L & E/L Relay in 110KV
Kaveripakkam Feeder and monthly maintenance
work
During the period of LC i)The 110KV Kaveripakkam SS are transferred to 230KV Arni SS
and 110KV Sipcot SS are availing Total Shutdown on 23.04.2017 ii)Auto-Tr-I ,HV-I,LV-I,
be in service and cater the SS Loads. iii)The 110KV Kaveripakkam Feeder will be in
Link-I # and 230KV Mosur feeders will be in service and cater the SS Loads. Hence there
will be no interruption of supply please.
Possible Sun, 23-Apr-2017 09:00 Sun, 23-Apr-2017 17:00 1 0 Approved
1170 Erode
GENERATI
NG
STATIONS
KUNDAH PH1 UNIT NO : 3 FOR MONTHLY MAINTENANCE WORK.. DURING THE LC PERIOD UNIT NO 3 WILL BE UNDER NOT S/B CONDITION.. possible Sun, 23-Apr-2017 8:00 Sun, 23-Apr-2017 17:00 1subject to the grid
condition existingApproved
1171 Chennai 230 KV
BASIN
BRIDGE(GMRVASAVI)
230 KV
230 KV Tondiarpet # Rutine maintenace work230 KV Tondiarpet # will not be in service, 230 KV Mylapore #, all 110 KV #s, Auto 1,2,3
will be in service . The load may be restricted to 70 MW.
Possible with
CBD
concurrence
Sun, 23-Apr-2017 06:00 Sun, 23-Apr-2017 09:00 1Subject to Grid
conditionApproved
1172 Chennai 230 KV SIRUSERI 230 KV230 KV Eastern Bus & 230 KV Bhavini-I & II
# (129th OCC approved)Monthly maintenance work
DURING THE PERIOD OF SHUTDOWN 1) 230KV BHAVINI-I&II #'s,100MVA AUTO
TRANSFORMER-I & 230KV EASTERN BUS will not be in service . 2) 110KV Bus coupler
breaker will be in closed condition. 3) 110KV Sholinganallur SS load will be transferred to
230KV KITS PARK SS.
Possible OCC
Appd 129/166Sun, 23-Apr-2017 10:00 Sun, 23-Apr-2017 17:00 1 0 Approved
1173 Chennai 110 KV VEERAPURAM 230 KV 110 KV Kits park Feeder Quarterly Maintenance110 KV Kits park feeder load ( 110 KV Madampakkam SS ) To be transferred to 230 KV
SS Kits parkPossible Sun, 23-Apr-2017 10:00 Sun, 23-Apr-2017 14:00 1 0 Approved
1174 Chennai 230 KV SPKoil 230 KV Kalapakkam feeder 2 Quartely Maintenance Work Pending Mon, 24-Apr-2017 09:00 Mon, 24-Apr-2017 17:00 1 Approved
1175 Chennai 110 KV VEERAPURAM 230 KV 110KV Thirupporur # Quarterly Maintenance and Annual Relay TestNo supply to all 110 KV SS fed off through 110 KV Thirupporur feeder and M/S.Orchid
chemicals. Concurrence to be obtained from SE/CEDC/ChengalpattuTo be discuss Mon, 24-Apr-2017 10:00 Mon, 24-Apr-2017 14:00 1 0 Approved
1176 Erode 110 KV THINGALUR 230 KV110KV Gobi feeder Breaker,CTs and Line
IsolatorsMonthly Maintenance Works 110KV Getticheviyur SS will be fed from Gobi 230KV SS possible Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 17:00 1
subject to the
feeder being kept
radial from gobi ss
end
Approved
1177 Erode 110 KV ANTHIYUR 230 KV110KV Thalavaipettai feeder feeder breaker
and CT only.For monthly maintenance of Breaker and CT
During the LC period 110KV Thalavaipettai SS will be fed through 110KV 110KV Anthiyur
feeder.possible Mon, 24-Apr-2017 0:00 Mon, 24-Apr-2017 0:00 1
subject to
thalavaipettai ss
being fed by 110
kv anthiyur feeder
Approved
1178 Erode 110 KV ANTHIYUR 230 KV110 KV GOBI FEEDER BREAKER CT AND
LINE SWITCHMONTHLY MAINTENANCE WORK
DURING THE LC PERIOD 110KV ANTHIYUR GOBI FEEDER WILL BE RADIAL FROM
OTHER END UP TO T.N PALAYAM SS EXCLUSIVE.110/11KV T.N.PALAYAM SS WILL
AVAIL TOTAL SHUT DOWN AS ALREADY APPROVED. NO SS WILL BE AFFECTED.
possible Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 15:00 1
subject to t n
palayam ss
availing tsd
Approved
1179 Madurai 110 KV PERIYAR 110 KV PERIYAR - SURULIYAR FEEDERFeeder Breaker with CT and Line side AB Switch for
Annual Maintenance work.
During the LC period both end Breaker Hand Trip & Line side AB Switch kept open
condition. NO SS will be effected.POSSIBLE Mon, 24-Apr-2017 10:00 Mon, 24-Apr-2017 14:00 1 0 Approved
1180 Madurai 110 KV KODIKURICHY 230 KVOn 110KV O.T.patti-Kayathar # section
between O.T.patti SS - Setharpanallur SS
For Replacement of defective disc at loc no: 91-92 &
retringing of Earth wire at Loc No:83-85
During LC period,i) AEE/M/OT Patti availing LC for monthly maintenance work.ii) 110KV
OTPatti - Kayathar # radial from other end upto Serthapanallur SS.iii) Hence no SS will
be affected.
POSSIBLE Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 17:00 1sub to PPM pwd
demandApproved
1181 Erode 110 KV GOBI 230 KV110 KV BUS COUPLER BREAKER AND
CT'S
FOR ANNUAL RELAY TESTING WORK BT
P&C/GOBI AND FOR MONTHLY MAINTENANCE
WORK
110 KV T.N PALAYAM SS MAY AVAIL TOTAL SHUTDOWN,110 KV GOBI FEEDER IN
110 KV EASTER BUS WILL TIED WITH 110 KV ANTHIYUR FEEDER IN 110 KV
WESTERN BUS BY CLOSING SERIES SWITCH AT 110 KV GOBI SS AND SUBJECT
TO THE LOAD CONDITION .
possible Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 17:00 1
subject to the load
condition and the
division of loads
Approved
1182 Madurai 110 KV PUGALUR 230 KV110 KV Pugalur - Elumathur feeder Breaker,
CTs and line switch onlyMonthly maintenance works.
During the L.C Period, 110KV Sivagiri and 110KV Ellumathur SS are proposed total
shutdown and the remaining 110KV Kodumudi SS,110KV New Nadupalayam SS load fed
from 110KV Erode SS through 110KV Elumathur SS.
POSSIBLE Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 17:00 1sub to concurance
from ErodeApproved
1183 Erode 110 KV Salem 400 KV110 KV Salem II # - Its CT, BREAKER, BUS
& LINE SWITCHESMonthly Maintenance Work Hasthampatty SS will be fed from Salem 230 KV SS possible Mon, 24-Apr-2017 8:00 Mon, 24-Apr-2017 14:00 1
subject to the
feeder being kept
radial from salem
ss end and the
other feeder
loading limit
Approved
1184 Madurai 110 KV VALUTHUR 230 KV 110KV Penna - Kavanoor feeder. Tree cutting work.During the LC period 110KV Penna - Valuthur feeder will be in service . Hence, there is
'no' interruption in power evacuation.POSSIBLE Mon, 24-Apr-2017 10:00 Mon, 24-Apr-2017 17:00 1
Sub to laod
conditionApproved
1185 Madurai 230 KV KARAIKUDI 230 KV On 230KV KKDI-VLDR #'r Entire. For Tower to Tower inspection work.During the L.C period all other 230KV #'rs will be tied with Grid. Hence there will be
Interruption of Supply.POSSIBLE Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 17:00 1 0 Approved
1186 Madurai 110 KV KAVANOOR 230 KV 110 KV KAVANOOR-PIONEER (PENNA)MONTHLY MAINTENANCE WORKS AND LINE
MAINTENANCE WORKSPENNA-VALUTHUR TO BE IN SERVICE POSSIBLE Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 17:00 1
Sub to load
conditionApproved
1187 Madurai 110 KV SURULIYAR110 KV SURULIYAR - PERIYAR breaker with
CT and line side switchFor attending monthly maintenance work.
During the above period, no SS will be affected since there is no intermediate SS. Also
during the above period, LC will be availed at the other end.POSSIBLE Mon, 24-Apr-2017 10:00 Mon, 24-Apr-2017 14:00 1 0 Approved
1188 Madurai 110 KV THIRUVARUR 230 KV
110KV Thiruvarur - Kovilvenni feeder (Line
portion between 110KV Kodavasal SS to
110KV Kovilvenni SS)
Line premonsoon Inspection and Rectification works.
During the LC period 110KV Kodavasal SS will be fed from 230KV Thiruvarur SS. The
110KV Kovilvenni SS & 110KV Vaduvoor SS will be fed from 110KV TVR-TNJ feeder by
closing back feeding switch no.1 at Kovilvenni SS. 110KV Thiruvarur - Thanjavur feeder
supply extended upto 110KV Poondi SS radially from Thanjavur Grid SS
POSSIBLE Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 17:00 1Sub to load
conditionApproved
1189 Erode 110 KVOTHAKKAL MANDABAM
230 KV
110 KV OKM-Irugur # section between
110KV Podanur SS and 110KV Irugur SS.For P.M.I works by lines/TDLR wing.
During the LC period, 110KV Podanur SS will be fed from 230KV OKM SS and 110KV
Irugur SS will be fed from 230KV CBE SS. Hence, No SS will be affected.possible Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 14:00 1
subject to the
feeder being kept
radial from either
end
Approved
1190 Madurai 110 KV EACHANGADU 230 KV110 KV VIRUTHACHALAM FEEDER
BREAKER,CT'sFor MONTHLY MAINTENANCE WORK
DURING THE ABOVE SHUTDOWN PERIOD M/S SASL CO- GENARATION WILL BE
EVACUATED THROUGH THE 110 KV PENNADAM # BY CLOSING THE BUSCOUPLER
SWITCH NO 44 AT 110 KV PENNADAM SS AND THERE WILL BE NO INTERRUPTION
TO EHT CONSUMER. Vridhachalam 110KV SS is alredy in Deviyakurichi - Neyveli
110KV feeder.
POSSIBLE Mon, 24-Apr-2017 10:00 Mon, 24-Apr-2017 14:00 1 0 Approved
1191 Erode 110 KVOTHAKKAL MANDABAM
230 KV
110 KV OKM-R.S.Puram II Feeder (Breaker,
CT's & Line Switch)for monthly maintenance works.
During the LC period, 110KV OKM-R.S.Puram II feeder loads will be transferred to 110KV
OKM-R.S.Puram I feeder. Hence, No SS will be affected.possible Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 14:00 1
subject to transfer
of loads to feeder
1
Approved
1192 Madurai 110 KV KADALANGUDI 230 KV110KV LTPCL- Vaitheeswarankoil feeder
portion between LTPCL- Manalmedu SS.
1)Line inspection and rectification work
2)Maintenance of CT's and isolators at Plant end.
No interruption to any SS. 110KV Manalmedu SS supply fed from 110KV Kadalangudy-
V.Koil- Manalmedu feeder. LTPCL plant will be in shutdown condition.POSSIBLE Mon, 24-Apr-2017 8:00 Mon, 24-Apr-2017 17:00 1 0 Approved
1193 Madurai 110 KV KAYATHAR 230 KV110Kv Kayathar-O.T.Patti Feeder Sec b/w
seethaparpanallur & o.t.PattiFor defective disc replacement at various location
During the LC period,Seethaparpanallur SS will be radially fed from Kythr Hence no SS
affected.POSSIBLE Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 17:00 1 0 Approved
1194 Erode 230 KV DEVIAKURICHI 230 KVBreaker, CTs and Line side isolator both end.
For Monthly Maintenance work 230 KV STCMS & Pudanchandai Feeders will be in service. possible Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 17:00 1subject to the load
condition existingApproved
1195 Erode 110 KV UNJANAI 230 KV
1.110KV UNJANAI - T.GODE FEEDER
BREAKER, CT'S AND LINESIDE ISOLATOR
ONLY.
CONTROL AND REALY PANELS REPLACING
WITH UPGRADED C & R PANELS.
DURING THE L.C PERIOD,1. T.GODE 110KV FEEDER TIE WILL BE KEPT OPENED
AT UNJANAI END.2. T.GODE 110KVSS LOADS WILL BE RADIALLY FED FROM BKB-II
END. IF NECESSARY UNJANAI - SANKARI 110KV FEEDER ISOLATOR AT T.GODE
END WILL BE CLOSED.
postponed Mon, 24-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 4
to be rescheduled
with
thiruchengode ss
tsd on 18.04.2017
Subject to
EE/SLDC/Erode
approval
1196 Chennai 110 KV KORATTUR 230 KV 110 KV Gumidipoondi-Periyapalayam feeder Jumper Tightness at various location 110 KV Periyapalyam SS will be fed from 400 KV ALamath SS Possible Mon, 24-Apr-2017 09:00 Mon, 24-Apr-2017 18:00 1 0 Approved
1197 Erode 110 KV UDUMALPET 230 KV
110 KV POOLAVADY FEEDER BREAKER
AND LINE ENTIRE SEC BETWEEN
UDUMALPET & THUNGAVI
FOR MONTHLY MAINTENANCE WORKS1)POOLAVADY SS WILL BE ON TOTAL SHUTDOWN 2)THUNGAVI SS LOADS WILL
BE FED FROM PONNAPURAM 230KV SSpossible Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 17:00 1
subject to
poolavadi ss tsd
and the feeder
being kept radial
from ponnapuram
ss
Approved
1198 Madurai 110 KV SAMAYAPURAM 230 KV 110 KV MUSIRI # Breaker & CTs only Monthly Maintenance Work & GRT test
During the above Shutdown Period, 1) 110 KV Musiri # will be fed thro'110 KV
perambalur 2 # of 110KV KKDY SS by closing ABS.2 &3 at 110 KV Thathaingarpet SS
and by closing Musiri Breaker at 110 KV T.Pet SS. (Note: already in 110 KV Thuraiyur SS
ABS 1&6 are in closed condition) 2) 110 KV Musiri # Breaker at 230 KV SMPM SS will be
in H/T condition. 3) 110KV Vengaimandalam SS is also availing total shutdown on that
same day. 4)Informed & necessary concurence obtained from Welpsun Solar Plant &
EHT consumer (Arise) 5)There is no interruption to any other 110 KV SS
POSSIBLE Mon, 24-Apr-2017 10:00 Mon, 24-Apr-2017 17:00 1 0 Approved
1199 Madurai 110 KV SRPUDUR 230 KV
a ) 110 KV SRP-KKY # line section between
SRP and Kannanallur. B)110 KV SRP-KKY #
Br CT & Line switch.
a) Tower to Tower Inspection and Checking
healthness of Jumper . B.Annual relay testing work
During the LC period Kannanallur SS will avail back feeding supply from 110 KV
Muppandal #. Hence no SS will be affectedPOSSIBLE Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 14:00 1 Sub to wind gen Approved
1200 Madurai 230 KV SANKANERI 230 KV230/33KV PowerTransformer-II,HV&LV
Breakers.For monthly maintenance purpose.
During the LC Period PowerTransformer-II willnot beinservice. PowerTransformer-I&III
will be carriedout the EntireLoad.POSSIBLE Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 14:00 1 Sub to wind gen Approved
1201 Erode 110 KV ARASUR 230 KVand Its CTs.
For Monthly maintenance work and Annual relay
testing works by P & C wing /Thudialur
1)During the LC Period 110 KV Arasur- Kaniyur feeder load transfer to 110 KV Arasur-
Palladam feeder (By closing Bus Coupler switch at Kaniyur SS).2) During the LC Period
110 KV Kalivelampatty load transfer to 230 KV Palladam SS
possible Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 12:00 1
subject to transfer
of loads to
palladam feeder
Approved
1202 Erode 230 KV INGUR 230 KV MONTHLY MAINTENANCE WORKS DEPENDING UPON LOAD CONDITION possible Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 14:00 1subject to the
division of loadsApproved
1203 Madurai 110 KV KODAIYAR PH2 110KV Melalallor feeder SF6 breakerMonthly maintenance of 110KV Melakallor# SF6
breakerFeeder will be radial from other end. Hence no SS will be affected. POSSIBLE Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 17:00 1 0 Approved
1204 Chennai 110 KVGUMMIDIPOONDI 230
KV110KV TCPL I feeder
Monthly Maintenance work, CT clamp and bolt nuts
replacement work
Concurance to be obtained from M/s. TCPL During the period of LC TCPL I loads fed
through TCPL II feederPossible Mon, 24-Apr-2017 09:00 Mon, 24-Apr-2017 17:00 1
Subject to
concurrence from
M/s. TCPL
Approved
1205 Madurai 110 KV KAYATHAR 230 KV110 KV Kayathar - Anupankulam # breaker
with CT OnlyFor Monthly Maintenance work During the LC period other end also avails LC. Hence, No ss affected POSSIBLE Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 17:00 1 0 Approved
1206 Erode 230 KV SALEM AUTO 230 KV230KV Deviakurichi-Singapuram Entire
Feeder.Road & Railway crossing jumpers checking.
1)230KV Deviakurichi - singapuram Feeder breaker & CT's maintenance work availing
Both SS. 3)230KV Deviakurichi-Singapuram Feeder series switch Both SS will be Kept
Opened.3)There will be no interruption of supply to any SS.
possible Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 17:00 1subject to the load
condition existingApproved
1207 Madurai 110 KV THIRUVARUR 230 KV
110KV T(K)GTPS - THIRUVARUR FEEDER
(VIA: 110KV ULLIKKOTTAI SS, 110KV
OKKANADU KEELAIYUR SS & 110KV
MANNARGUDI SS), LINE PORTION
BETWEEN T(K)GTPS TO 110KV
ULLIKKOTTAI SS.
FOR PREMONSOON INSPECTION BY AE/LINES/
PATTUKKOTTAI.
1) DURING THE LC PERIOD, 110KV ULLIKKOTTAI SS, 110KV OKKANADU
KEELAIYUR SS AND 110KV MANNARGUDI SS RADIALLY FED FROM 230KV
THIRUVARUR SS. 2) NO INTERRUPTION TO ANY SUBSTATIONS.
POSSIBLE Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 17:00 1Sub to load
conditionApproved
1208 Erode 110 KV METTUR AUTO 230 KV 110KV Malco III Feeder For Monthly Maintenance work During the LC period 110KV Malco I & II Feeder will be in service possible Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 17:00 1other two feeders
will be in serviceApproved
1209 ErodeGENERATI
NG
STATIONS
PYKARA UNIT 7 FOR MONTHLY MAINTENANCE WORK NIL possible Mon, 24-Apr-2017 8:00 Mon, 24-Apr-2017 17:00 1other units wil be
in serviceApproved
1210 Chennai 110 KV CUDDALORE 230 KV Section between SASL Co Gen to pennadam
SS
For replacement of flashed over insulators at loc no.
76, 94 and for checking jumper tightness at railway
crossing location. Loc.Nos.3 - 4.
During the period of LCThe 110 KV Pennadam SS will be availing Total shutdown.Hence
NO Interruption of SupplyConcurrence obtained from SE/O/VillupuramTo be discuss Mon, 24-Apr-2017 09:00 Mon, 24-Apr-2017 17:00 1
Already approved
on 22nd April
2017
Approved
1211 Erode 230 KV ALIYAR 230 KV230/110KV AUTO TRANSFORMER-I WITH
HV AND LV CB,CTs
OLTC Overhauling and y-phase Ttransformer oil
leakage aresting&Overhauling workDuring the LC period 230/110kv Auto Transfomer-II will caters the load possible Mon, 24-Apr-2017 10:00 Wed, 26-Apr-2017 16:00 3
llong lc for 21
days to be
scheduled with
note approval and
to be approved by
se ld go chennai
Approved
1212 Erode 230 KV SINGAPURAM 230 KV230 KV Deviyakurichi
Feeder(CT,Breaker&Isolator)Monthly Maintenance 1.Monthly Maintenance at both ends. possible Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 17:00 1
subject to the load
condition existingApproved
1213 Erode 230 KV KUNDAH PH3 230KV KPH2 to KPH3 Feeder
230KV KPH2 to KPH3 Feeder Tower No:25 to 35.
Pre monsoon inspection work and maintenance
work.
Bus and line both end open condition earth switch closed condition. possible Mon, 24-Apr-2017 9:00 Mon, 24-Apr-2017 17:00 1subject to the load
condition existingApproved
1214 Madurai 230 KV KARAIKUDI 230 KV On 230KV GC Bkr, its CT's O/G isolator. For Monthly Mtc Work.
During the Lc Period 3x50MVA Auto.Tr's will not be out of Service. To Manage 110KV
Bus by itself, 110KV Alakarkoil #'r will be radial from 230KV Alkarkoil SS End.
Singampunari, S.Pudur & Narasingampatty under TSD. Hence there will no interruption of
Supply.
NOT
POSSIBLETue, 25-Apr-2017 10:00 Tue, 25-Apr-2017 13:00 1
Due 110KKDI-
ALKL# is radial
from both ends for
110PSQ-
ALKL#1&Sahtisug
ars# LC upto
15.4.17
Approved
1215 Chennai 230 KV CUDDALORE 230 KV 230 KV Taqa-Perambalur
Replacement of flashed over insulators at loc. No
76,92,153,171 and for checking jumper tightness at
railway crossing locations. Loc.Nos. 82-83 & 30-31
Durind the period of LC 230 KV Perambalur SS will be fed from 230 KV Trichy SSHence
NO Interruption of SupplyConcurrence obtained from SE/O/VillupuramPossible Tue, 25-Apr-2017 09:00 Tue, 25-Apr-2017 17:00 1 0 Approved
1216 Chennai 110 KV SPKoil lines 110 KV Chengapattu feeder Quertaly maintenance work Possible Tue, 25-Apr-2017 10:00 Tue, 25-Apr-2017 17:00 1 approved Approved
1217 Madurai 230 KVCHECKANURANI SW
STATION 230 KV
230KV CKNI-Renganathapuram Feeder
Entire
For Monthly Maintenance work and Line
Maintenance WorkDuring LC Period, there will be no supply in the entire feeder POSISBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1
Due to 230Pugalur-
Parmathi # 2 LCApproved
1218 Madurai 230 KV VEERANAM 230 KVPower transformer -IV HVBR -IV LVBR -IV
33Kvfeeders of Micon-7,Vestas-1,Vestas-2Quarterly & Monthly maintenance work
During the lc period there will be no supply in entire Power transformer -IV &33kv feeders
and concurrence obtained from SE/NCES/TIN.POSSIBLE Tue, 25-Apr-2017 10:00 Tue, 25-Apr-2017 17:00 1 Sub to wind gen Approved
1219 Chennai 400 KV Alamathy 400 KV400/230 KV ICT#4 & 5 HV Tie breaker 8(1)52
only
For CT Tan delta testing and isolator allignment
work.
400/230 KV ICT#4 & 5 will be in service via HV main circuit breakers.Hence No
interuption.
Possible OCC
Appd. 129/206Tue, 25-Apr-2017 10:00 Tue, 25-Apr-2017 17:00 1 0 Approved
1220 Madurai 110 KV KODIKURICHY 230 KV
On 110KV Bus Section I & II (Entire Bus
Section)with Auto LV I, II & III Breakers, CT's
and All Isolators.
1For Monthly Maintenance work and 2between 110
KV Bus isolatror to 110 KV Kayathar #main Bus
Conducter R and B Phase replacement work
During the lc period: 1Auto I, II & III will be out of service.2110 KV Kadayanllur SS and
110 KV Achanpudhur SS will be radially fed from 230KV Nalamanaickampatti SS.3110
KV Kodikurichi- Tenkasi- Papanasam # Will be radial from other end. 110 KV
Kodikurichih WF SS load will be transferred through this #.4110kv Keelapavoor SS,110kv
Alangulam SS will be Radillay fed from 110kv kayathar SS .5110 KV Echantha SS load
will be transferred through 110 KV veerasigamani II to Nalamanaickanpatty # by closing
AB Switch towards veerasigamani at Echantha SS.6110 KV Kodikurichi- Veerasigamani II
# will Be tied with 110kv Nalamanaickanpatty # by closiing of AB Switch at
Nalamanaickanpatty SS towards 230 kvNalamanaickanpatty SS7Hence No SS will
affected.
POSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1Sub to wind gen
and load condition
Approved Subject to
Wind Generation
1221 Madurai 230 KV KAYATHAR 230 KVOn 230/110KV Kayathar - Auto Transformer-I
HV-I & LV-I breaker with CT only.For Monthly Maintenance Work
During the LC period, Auto Transformer-II & Auto Transformer-III will cater all the loads of
Auto Tranformer-I Hence no SS affectedPOSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 12:00 1
sub to load
conditionApproved
1222 Madurai 230 KV KODIKURICHY 230 KV230KV Amuthapuram- Checkanoorani feeder -
I I
For rectification of Arching Horn at Location No:353
(Y Phase)
During LC Period, 1.AE/Maintenance/Amuthapuram& Chekkaroorani aviling monthly
shutdownPOSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1 Sub to wind gen Approved
1223 Madurai 230 KV AMUTHAPURAM 230 KV230KV Amuthapuram-checkanoorani Feeder
with Breakers,CTs and its isolatorsMonthly Maintenance Work
1) During the LC period there will be NO supply in this feeder. 2) Other end also avail LC
on same day. 3) Concurrence obtained from SE/NCES/TIN.POSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1 Sub to wind gen Approved
1224 Erode 110 KV GOBI 230 KV110 KV ANTHITUR FEEDER BREAKER AND
CT'S WITH LINE SWITCHFOR MONTHLY MAINTENANCE WORK
110 KV KUGALUR SS MAY AVAIL TOTAL SHUTDOWN,SUPPLY TO 110 KV TN
PALAYAM SS MAY FED FROM 230 KV ANTHIYUR SS,NO OTHER SS WILL
AFFECTED
possible Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1
subject to the
feeder being kept
radial from
anthiyur ss end
Approved
1225 Madurai 110 KV PUGALUR 230 KV110 KV TNPL feeder breaker, CT & Line
switch only
Monthly Maintenance work ,Annual Relay test by
P&C wing,Erode.
During the LC period, there will be no supply on the above feeder. Concurrence to be
obtained from EHT consumer M/s TNPL Ltd.POSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1 0 Approved
1226 Madurai 230 KVCHECKANURANI SW
STATION 230 KV230KV CKNI-Amuthapuram Feeder Entire
For Monthly Maintenance work and Line
Maintenance WorkDuring LC Period there will be no supply in the entire feeder POSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1 0 Approved
1227 Erode 230 KV Salem 400 KV230 KV Link I # - Its CTs, BREAKER, BUS &
LINE SWITCHESBoth end Monthly Maintenance Work Both end Monthly Maintenance Work possible Tue, 25-Apr-2017 8:00 Tue, 25-Apr-2017 14:00 1
subject to the
other feeder
loading limit
Approved
1228 Madurai 110 KV KADALANGUDI 230 KV 110KV Palaiyur- KGTPS feeder entire Line inspection and rectification work.No interruption to any SS. 110KV Palaiyur SS supply fed from 110KV Kadalangudy-
Aduthurai- Palaiyur feeder. All other feeders will be in tied condition at KGTPS plant.POSSIBLE Tue, 25-Apr-2017 10:00 Tue, 25-Apr-2017 16:00 1
sub to load
conditionApproved
1229 Erode 230 KVPUDHANCHANTHAI 230
KV
230KV Bus-B MEHRU Makr PTs-3
Nos.230KV Deviakurichy feeder SCT make
CTs-3 Nos.110KV Namakkal, Rasipuram,
Pudhansandai, Namagiripet, KN Patty,
Valayapatty #s LAMCO make CTs-18
Nos.110KV LV-I and LV-II LAMCO make CTs-
6 Nos.110KV Bus Coupler LAMCO make CTs-
3 Nos.
For Tan Delta Testing of 110KV LAMCO make,
230KV & 110KV SCT make CTs. and 230KV
MEHRU make PTs.Wherein the last Tan Delta test
Values were noticed in rising trend.
During LC period230KV Bus-B idly charged through Bus Coupler CB & CTs will be hand
tripped for 30 minutes for Tan Delta testing of MEHRU PTs.230KV Deviakurichy feeder
will be kept radially charged from Dvk end for 30 minutes for Tan Delta testing of SCT
make CTs.110KV Namagiripet SS will be transferred to 110KV DVK-Thammampatty
feeder.110KV Pudhansandai SS will be back fed through 110KV PSI-Rasipuram feeder
for 30 minutes.110KV KN Patty SS will be back fed through 110KV PSI-Rasipuram feeder
for 30 minutes and then,110KV Rasipuram SS will be transferred to 110KV Salem-Malllur
feeder.110KV Namakkal and Valayapatty feeder loads will be fed vice-versa for Tan Delta
testing of LAMCO make CTs in both these feeder.110KV East and West Buses fed by
Auto-II & I, will be separated for 30 minutes for LAMCO Bus Coupler CTs Tan Delta
testing.110KV LV-I and LV-II LAMCO make CTs will be tested for TAN Delta values one
after other for 30 minutes.No supply interruption.
possible Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1
the lc will be
issued one by one
subject to the load
condition existing
and subject to
transfer of loads
only
Approved
1230 Madurai 230 KV then I 230 KV230KV TNI-MZR # Breaker ,CT,entire line
with 230KV Bus LC in Northern Bus only
Monthly Br,ct maintenance,Line monthly
maintenance,premonsoon inspection and
replacement of defective CVT in 230 KV northern
bus
During the LC period the Auto Tr. 2 & 3 out of service, 230KV sempatty radial from other
end, 230KV MZR # both end LC, Auto Tr. I in service ( expected load relief 108 Mw ) Total
shut down to be proposed in the following 110KV SS for load relief of 108 MW ( Theni,
Nilakottai, Eluvanampatty , Madurapuri , Kadamalai Kundu, Cumbum, UPM, Bodi,
C.O.Puram,MGKottai, KPM SS)
POSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1
App in
129occ/172Sub to
load and toal s/d
Approved
1231 Madurai 110 KV KUTTALAM
110 KV KGTPS-PALAIYUR FEEDER
BREAKER WITH ENTIRE LINE AT BOTH
END.
110 KV KGTPS-PALAIYUR FEEDER ANNUAL
RELAY TESTING WORKS BY
AEE/P&C/THIRUVARUR AT BOTH END.BREAKER
TESTING WORKS AND OTHER MAINTENANCE
WORKS IN ISOALTORS AT KGTPS END.
During the LC period there is no interruption of supply to any ss. POSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1 0 Approved
1232 Madurai 230 KV KAVANOOR 230 KV230/110 KV AUTO TRANSFORMER 2 - 80
MVA, HV BR., LV BR.MONTHLY MAINTENANCE WORKS
AUTO TR. 2 WILL NOT BE IN SERVICE. LOADS TO BE CATERED BY THE OTHER
AUTO TR.POSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1 0 Approved
1233 Erode 110 KV METTUR DPH110 KV METTUR TOWN SS FEEDER
ENTIRE.MONTHLY MAINTENANCE WORKS.
THE 110 KV METTUR TOWN SS AND 33 KV KOLTAHUR SS LOADS WILL BE
CHANGED TO 110 KV METTUR-ANTHIYUR FEEDER FOR THE ABOVE LINE CLEAR
PERIOD.
possible Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 15:00 1
subject to transfer
of mettur ss loads
and kolathur ss
loads to anthiyur
feeder
Approved
1234 Madurai 230 KV TRICHY 230 KVBreaker,CTs , Line Isolator and line entire.
a) For monthly maintenance works. b) Pre monsoon
inspection
During the LC period, a) other end also availing LC on the same feeder. b) all other
230KV feeders will be in tied condition. c) there will be no interruption of supply to any of
the feeders and SS.
POSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 16:00 1 0 Approved
1235 Madurai 230 KV THIRUVARUR 230 KV 230KV Thiruvarur - Thanajvur FeederLine Premansoon inspection and rectification work,
Breaker, CT's and Isolator maintenance work
During the LC period all other 230Kv feeders are in tied. Hence there will be no
interruption of supply to any other substation.POSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1
sub to 230 KDGDI-
NEY # loadingApproved
1236 Erode 110 KVOTHAKKAL MANDABAM
230 KV
110 KV OKM-Thudiyalur II Feeder (Breaker,
CT's & Line switch)for monthly maintenance works.
During the LC period, 110 KV OKM-Thudiyalur II Feeder loads will be transferred to 230
KV TDLR SS. Hence, No SS will be affected.possible Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 14:00 1
subject to the
feeder being kept
radial from
thudiyalur ss end
Approved
1237 Madurai 110 KV KADALANGUDI 230 KV 110KV Kadalangudy- LTCPL feeder entire
1)Line inspection and rectification work
2)Maintenance work 3)Maintenance of CT's and
isolators at Plant end.
No interruption to any SS. All other feeders will be in tied condition. LTPCL plant will be in
shutdown condition.POSSIBLE Tue, 25-Apr-2017 8:00 Tue, 25-Apr-2017 17:00 1 0
Subject to Load
condition
1238 Madurai 110 KV KAYATHAR 230 KV110KV Kayathar-Arumuganeri Feeder sec
b/w Palayamkottai&Srimoolagarai.For Defective Disc replacement at Various locations
During the LC period,I.PalayamKottai SS will be radially fed from
Kayathar.II.Srimoolakarai SS will be radially fed from arumuganeri Hence No SS affectedPOSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1 0 Approved
1239 Madurai 110 KV SEMBATTY 230 KV110KV SBT- Udumalpet # sec bet
Pappampatti and M.N.Patti SSTree cutting work
During the LC period Thalaiyuthu SS is availing total shutdown. Feeder will be radial from
SBT upto Pappampatti and radial from other end upto M.N.Patti. Hence no interruption to
any SS.
POSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1
Sub to wind gen
and concurrance
from UDPT
Approved
1240 Chennai 110 KV KORATTUR 230 KV110 KV Gumidipoondi-Periyappalayam
feederJumper Tightness at various location 110 KV Periyapalyam SS will be fed from 400 KV Alamathy SS To be discuss Tue, 25-Apr-2017 08:00 Tue, 25-Apr-2017 16:00 1
Already approved
on 24th April 2017Repeat
1241 Erode 230 KV UDUMALPET 230 KVAUTO TRANSFORMER I,HV I & LV I
COMPLETEFOR MONTHLY MAINTENANCE WORKS 3 AUTOS ARE IN PARALLEL . LOADS ARE SHARED WITH OTHER TWO AUTOS. possible Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
1242 Chennai 230 KV ACHRAPAKKAM 230 KV230/110KV, 100 MVA AUTOTRANSFORMER
-I WITH HV AND LV BREAKERS AND CT'STO CARRYOUT MONTHLY MAINTENANCE WORK
1.100 MVA 100 MVA AUTOTRANSFORMER -II WILL BE SEVICE CONDITION2.110KV
ACK- VILLUPRAM I & II FEEDER WILL BE RADILLY CHARGED FROM OTHER
END.3.110KV ACK- SP KOIL I & II FEEDER WILL BE RADILLY CHARGED FROM
OTHER END.4.110KV ACK- VANDAVASI FEEDER WILL BE RADILLY CHARGED
FROM OTHER END.
Possible Tue, 25-Apr-2017 09:00 Tue, 25-Apr-2017 16:00 1 0 Approved
1243 Erode 230 KVSADAYAMPALAYAM 230
KV
230 KV Sadayapalayam-Ponnapuram #
breaker,CT's & Isolators.Annual relay testing work by P&C Palladam. 230 KV Sadayapalayam-Palladam # in service. possible Tue, 25-Apr-2017 10:00 Tue, 25-Apr-2017 17:00 1
subject to the load
condition existingApproved
1244 Chennai 110 KV KILPAUK 230 KV110KV Kilpauk Water works feeder I & II one
by one
Tan Delta Test by GRT wing & Routine Maintenance
work
1) During the period of shutdown of 110KV KWW I feeder, loads of KWW I feeder will be
transferred to KWW II feeder2) During the period of shutdown of 110KV KWW II feeder,
loads of KWW II feeder will be transferred to KWW I feeder
Possible with
CBD
concurrence
Tue, 25-Apr-2017 09:00 Tue, 25-Apr-2017 16:00 1 0 Approved
1245 Madurai 230 KV SAMAYAPURAM 230 KV230KV SMPM-TRICHY # Breaker & CT's ,
Line isolators and entire line portion.
Monthly Maintenance work, line Patrol work by
AE/Lines/kallakudy.
1. During the shutdown period 230 KV SMPM SS will be radially fed from 230 KV SS
Eachangadu. 2.The other end 230 KV SS Trichy also availing LC on the same date &
time. 3.No interruption to any other 110 KV SS.
POSSIBLE Tue, 25-Apr-2017 10:00 Tue, 25-Apr-2017 17:00 1 0 Approved
1246 Madurai 110 KV SRPUDUR 230 KVOn 110 KV SR Puthur - Palavoor feeder
entire
a.Tower to tower inspection, Checking of
healthyness of Jumper b. Annual relay testing work
During the LC period 110/11 KV Palavoor SS will avail Total shut down. Hence no ss will
be affected.POSSIBLE Tue, 25-Apr-2017 10:00 Tue, 25-Apr-2017 14:00 1 Sub to wind gen Approved
1247 Madurai 230 KV SANKANERI 230 KV230/110KV AutoTransformer-II,HV&LV
Breakers.
For monthly maintenance & GRT Annual Relay
Testing purpose.
During the LC Period Auto Transformer-II willnot beinservice. AutoTransformer-I will be
carriedout the EntireLoad.POSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 14:00 1 Sub to wind gen Approved
1248 Madurai 110 KV SANKANERI 230 KV110KV Sankaner- koodankulam feeder
Breaker CTs & Lineswitches.
For monthly maintenance & GRT Annual Relay
Testing purpose.
During the LC Period 110KV Vijayapathy SS supply Radially fed from SRPuthoor-
Arumuganeri feeder-II, By Closing Buscoupler-II at 110KV Koodankulam SS.Hence no SS
will be affected.
0 Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 14:00 1 wrong entry Approved
1249 Madurai 230 KV ALUNDUR 230 KV
230KV Alundur - Paramathy Feeder Breaker,
CT's, CVT's and Line Isolators.(Alundur End
Only)
a)Monthly Preventive Maintenance work. b)Relay
TestingWork.
During the LC period, a)Alundur End Only LC work. b)All other 230 KV feeders will be in
service. c)There will be no interruption of supply to any other feeders.POSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1 App in occ/168 Approved
1250 Erode 110 KV Singarapet 110 KV110 KV Samalpatty RLY # I, SF6 Bkr, CTs &
Line Isolator.Monthly maintenance work
During the LC period 110KV Samalpatty Railway Traction will be transferred to 110KV
Samalpatty II feeder, hence no interruption of supplypossible Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 15:00 1
feeder 2 will be in
serviceApproved
1251 Erode 230 KV SALEM AUTO 230 KV230KV Link Feeders I Breakers, CTs & Line
IsolatorsMonthly Maintenance work.
230KV Link-I feeder LC will be availed at both ends. 3Nos 230KV feeder will be in service
and there will be no interruption to any SS or feeder.possible Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1
subject to the
other feeder
loading limit
Approved
1252 Madurai 230 KV kayathar230kv230KV Sankaraperi 1 feeder main breaker
(211-52) & CT,CVT
Monthly Maintenance work and Annual Relay test by
AEE/P&C-2/kayathar
During the LC period there will be no supply in 230KV Sankaraperi 1 feeder main breaker
(211-52) & CT,CVT. hence no substation affected.POSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1 Sub to wind gen Approved
1253 MaduraiGENERATI
NG
STATIONS
KODAIYAR PH2 Generator machine unit-II
A) Electrical- Monthly maintenance of Thrust cooler
cleaningB) Mechanical- Monthly maintenance of
Governor oil coller cleaning
P.H-II will be in shut down condition POSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1After s/d of Kod
Ph2Approved
1254 Erode 110 KVKARIAMANGALAM 230
KV
1.110KV Karimangalam feeder breaker,
CTs,Line switch 2. Mettur 230KV feeder
breaker and CT`s
Carryout Monthly SS Maintenance works by
maintenance and GRT Relay testing in
Karimangalam # and Differential Relay Fixing at
230KV Mettur #
110 KV Karimangalm SS availing Total Shutdown Total Relief : 50 MW, the Station load
will Managed by keeping Auto Transformer I, II & III and 230 KV Shoolagiri Feeder , 1 No
Grid feeder in service.
possible Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 14:00 1
subject to
karimangalam ss
availing tsd and
the shoolagiri
feeder loading
limit after that
Approved
1255 Erode 230 KV PONNAPURAM 230 KVBreaker, CTs And entire line
For annual relay test by P&C WING / UDT & Monthly
Maintenance works.1. 230KV GRID #, HENCE NO SS WILL BE AFFECTED possible Tue, 25-Apr-2017 10:00 Tue, 25-Apr-2017 17:00 1
subject to the load
condition existingApproved
1256 Madurai 110 KV KAYATHAR 230 KV110 KV Kayathar - OTPatty # Breaker with
CT onlyFor Monthly Maintenance work During the LC period other end also avails LC. Hence, No ss affected POSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1
Sub to ppm pwd
demandApproved
1257 Erode 230 KVVINNAMANGALAM 230
KV
25.04.2017---230 KV Vinnamangalam -
isolators
For attending monthly maintenance works only
1,Total shutdown has been approved by CE/D/Vellore vide Memo.
No.:CE/D/VLR/EE/AEE/Gl/ F. Shut down/ D. 142 /2017, Dt:21.03.2017 and
SE/D/Tirupatture vide Memo.No:SE/TEDC/TPR/ Gen / AE / F.Shutdown/D.3287/17,
dt:21.03.2017.
Possible OCC
Appd. 129/169Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 14:00 1 0 Approved
1258 Madurai 230 KV THANJAVUR 230 KV230 KV Thanjavur - Thiruvarur feeder,
Breaker, CT & Line Isolator.
1) For monthly maintenance works by the
AEE/Mtce/Thanjavur, 2) For carrying out
premonsoon inspection works by the
AEE/Lines/Thanjavur.
During the LC period, 1) other end also will avail LC on the same day,2) all other 230 KV
feeders will be in tied condition,3) no supply interruption to any SS.POSISBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1
sub to 230 KDGDI-
NEY # loadingApproved
1259 Erode 110 KV SALEM AUTO 230 KV 110KV Salem - Singapuram -II feeder entire. Road crossing jumpers checking.
1) 110KV Salem - Singapuram -II feeder breakers kept hand tripped at Salem 230KV SS
and Singapuram 230KV SS.2) There will be no supply in 110KV Salem - Singapuram -II
feeder entire.3) Mettupatty 110KV SS will be availing total shutdown on that day.4) There
will be no interruption of supply to any SS.
possible Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1subject to
mettupatty ss tsdApproved
1260 Erode 230 KV karamadai230KV230KV Karamadai-Thudialur feeder breaker,
CTs & CVTs.For maintenance works. LC programmed at other end also. possible Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 14:00 1
subject to the load
condition existingApproved
1261 Madurai 230 KVNEMALITHIPIYAKUDI
230 KV
A)110KV NEMMELI THIPPIYAKUDI -
PATTUKKOTTAI-II FEEDER BREAKER, CT'
s AND LINE ISOLATER.B) 110KV NEMMELI
THIPPIYAKUDI - PATTUKKOTTAI-II
FEEDER ENTIRE
A) MONTHLY MAINTENANCE WORK BY
AEE/MTC/ N T KUDI. B) PREMONSOON
INSPECTION BY AE/LINES/PATTUKKOTTAI.
1) During the LC period, 110KV Nemmeli Thippiyakudi-Pattukkottai-I Feeder in service. 2)
During the LC period, 110KV KARAMBAIYAM SS WILL AVAIL TOTAL SHUTDOWN3)
110KV Kovilkalappal-Madukkur-Pattukkottai tie will be created (by closing the 110KV Line
Isolator (switch No.2) at 110KV Madukkur SS) and 110KV Madukkur feeder Breaker hand
tripped condition at 230/110KV N T Kudi SS.4) No interruption to any Substation.
POSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1 0 Approved
1262 Madurai 230 KV PERAMBALUR 230 KV 230KV Bus coupler Breaker only For monthly maintenance works. Idle Breaker.There will be no interuptionConsumer POSSIBLE Tue, 25-Apr-2017 10:00 Tue, 25-Apr-2017 12:00 1 0 Approved
1263 Chennai 230 KV ATHIPET 230 KV 25MVA Power Transformer Routine maintenance work1. No supply to M/s Zuari & M/s L&T shipbuilding, 2. 33KV athipattu feeder and 33KV
NCTPS feeder will be back fed from Melur 110KVSS0 Tue, 25-Apr-2017 11:00 Tue, 25-Apr-2017 17:00 1
Concurrence from
SE/OApproved
1264 Erode 110 KV KARUVALUR 230 KV110kv Karuvalur - Thekkalur (paduvamplli)
feeder breaker and it's CTs
For monthly maintenance work and for PMI by
palladam lines in section between 230kv Karuvalur -
110kv Thekkalur SS
110kv Thekkalur SS total shutdown and 110kv KPR (EHT) fed from 110kv Karuvalur -
Arasur II feederpossible Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1
subject to
thekkalur ss
availing tsd and
the load transfer
to arasur 2 feeder
after that
Approved
1265 Erode 110 KV PALLADAM 230 KV110 KV Palladam - Tiruppur feeder breaker
and CT's and line side isolator
To carryout Monthly maintenance on equipment's by
AEE/Maintenance/Palladam
During LC period 1) 110 KV Mudalipalayam SS and 110 KV Tiruppur SS availing total
shut down2) 110 Kumarnagar SS will be fed through 110 KV Sipcot II feederpossible Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 15:00 1
subject to the tsd
relief being
realized
Approved
1266 Erode 230 KV PALLADAM 230 KVAuto transformer II and its HV , LV side
breaker CT's and LAS
To carryout Monthly maintenance on equipment's of
Auto transformer II by AEE/Maintenance/Palladam
During LC period 1) Other 3 Nos Auto transformers will be in service2) 110 KV
Mudalipalayam SS and 110 KV Tiruppur SS availing Total shut down3) No other Sub
Station will be affected
possible Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
1267 Chennai 230 KVTHIRUVANNAMALAI 230
KV
230 KV Buscoupler Breaker and Transfer Bus
CVTMonthly maintenance work
During the period of L/c time 230 KV Transfer Bus will be OFF condition. There is no
interruption of supply to any of the substation please.Possible Tue, 25-Apr-2017 09:00 Tue, 25-Apr-2017 14:00 1 0 Approved
1268 Erode 230 KV METTUR AUTO 230 KV 230KV Karimangalam Feeder both end For Monthly Maintenance work During the LC period other 230KV feeders will be in service possible Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1
subject to the 230
kv akrimangalam
to shoolagiri
feeder loading
limit
Approved
1269 Erode 230 KV THUDIALUR 230 KV 230KV Thudiyalur-Karamadai feeder entire For monthly mtce works 230KV OKM, CBE & PH4 feeders will be in service possible Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 14:00 1subject to the load
condition existingApproved
1270 Chennai 110 KV CUDDALORE 230 KVFor replacement of flash over insulators at (loc no
74) B phase
During the period of LCThe 110 KV Panruti Rural and panruti urban ss load will be
SupplyConcurrence obtained from SE/O/Villupuram
Possible Tue, 25-Apr-2017 09:00 Tue, 25-Apr-2017 17:00 1Subject to load
conditionApproved
1271 Chennai 110 KV CUDDALORE 230 KV110 KV Cuddalore - Spic Pharma # breaker,
For monthly maintenance worksDuring the period of LCSpic Pharma - Under D.C. from 21.11.2011Hence NO Interruption
of SupplyConcurrence obtained from SE/O/VillupuramPossible Tue, 25-Apr-2017 09:00 Tue, 25-Apr-2017 17:00 1 0 Approved
1272 Chennai 110 KV THIRUVALAM 230 KVentire.
For EHT Line Maintenance Works.230 KV Thiruvalam SS to 110 KV Sholinghur SS.ii. The 110KV M.V.Puram SS, 110KV
Mukundrayapuram SS, 110KV Sholinghur SS(11kv loads), are availing Total Shutdown
Hence there will be no interruption of supply please.
Possible Tue, 25-Apr-2017 09:00 Tue, 25-Apr-2017 14:00 1 0 Approved
1273 Chennai 230 KV THIRUVALAM 230 KV For EHT Line maintenance work.230KV Link I, Link II, Chittoor feeders are in service.Hence there will be no interruption of
supply please.
Possible Tue, 25-Apr-2017 09:00 Tue, 25-Apr-2017 14:00 1 0 Approved
1274 Chennai 230 KV THIRUVALAM 230 KV
Breakers and its Cts. for fixing of Differential
relay by GRT Wing /Thiruvalam and monthly
maintenance work.ii) On 110KV M.V.Puram
i)For fixing of Differential relay in Auto Tr-III by GRT
Wing /Thiruvalam and monthly maintenance work
ii)For monthly maintenance work in 110KV
M.V.Puram feeder and 230KV Mosur Feeder
During the period of LC i) The 110KV M.V.Puram SS, 110KV Mukundrayapuram SS,
110KV Sholinghur SS, are availing Total Shutdown on 25.04.2017. The Totalshutdown
approved and concurrence obtained by Chief Engineer/ Distribution / Vellore ii) Auto-Tr-II
will be in 'OFF' Condition vi)The 230KV Link-II, 230KV Link-I, 230KV Chittoor interstate
feeders, and will be in service and cater the SS Loads. Hence there will be no interruption
of supply please.
Possible Tue, 25-Apr-2017 09:00 Tue, 25-Apr-2017 17:00 1 0 Approved
1275 Madurai 110 KVANUPPANKULAM 230
KV110KV Padikasuvaithanpatti feeder Br. CT. For monthly maintenance work.
During the LC period,110KV Padikasuvaithanpatti feeder,Breaker and line will be no
supply. Hence no SS will be affected.POSSIBLE Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 13:00 1 0 Approved
1276 Erode 110 KV KUNDAH PH3 110KV KPH2 to Thudiyalur Feeder
110KV KPH2 to Thudiyalur Feeder Tower No:01 to
14. Pre monsoon inspection work and maintenance
work.
Bus and line both end open condition earth switch closed condition. postponed Tue, 25-Apr-2017 9:00 Tue, 25-Apr-2017 17:00 1to be scheduled
on a sunday
Subject to
EE/SLDC/Erode
approval
1277 Chennai 230 KV SPKoil lines 230 KV Spkoil-Kalpakkam feeder 1 Insulator Replacement work Possible Wed, 26-Apr-2017 10:00 Wed, 26-Apr-2017 17:00 1 approved Approved
1278 Madurai 230 KVNALLAPPANAYAKANPA
TTY 230 KV
230/110KV AUTO TRANSFORMER-II,HV-II
BREAKER WITH C.T,LV-II BREAKER WITH
C.T AND 110KV THOTTIAPATTI FEEDER
BREAKER WITH C.T
FOR MONTHLY MAINTENANCE WORK.
DURING THE L.C PERIOD 110KV THOTTIAPATTI,110KV PADIKASUVAITHANPATTI
AND 110KV SRIVILLIPUTTUR SS WILL BE AVAILING TOTAL SHUT-DOWN ON THAT
DAY.NO SS WILL BE AFFECTED.
POSISBLE Wed, 26-Apr-2017 10:00 Wed, 26-Apr-2017 17:00 1Due to Kodikurichi
Bus LCApproved
1279 Erode 230 KV Udumalpet 400 KV230 KV MYVADI - ANIKADAVU FEEDER
BREAKER, CT AND LINE ENTIREMONTHLY MAINTENANCE WORK BOTH END AVAIL LC postponed Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1
230 kv
ponnapuram to
sadayapalayam
feeder lc
recommended
Approved Subject to
wind Generation
1280 Madurai 230 KV KODIKURICHY 230 KV 230KV Transfer Bus Section For Monthly Maintenance work 0 POSSIBLE Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1 0 Approved
1281 Madurai 230 KV KAYATHAR 230 KVOn 230/110KV Kayathar - Auto Transformer-
III HV-III & LV-III breaker with CT only.for Monthly Maintenance work
During the LC period, Auto Transformer-II & Auto Transformer-I will cater all the loads of
Auto Tranformer-III Hence no SS affectedPOSSIBLE Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1
Sub to wind gen
and load conditionApproved
1282 Erode 230 KV THINGALUR 230 KV230KV KR THOPPUR feeder Breaker,CTs
and Line IsolatorsMonthly Maintenance Works Other end also availing LC postponed Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1
to be scheduled
after the 230 kv
mtps 3 to thingalur
feeder is back in
service or with a
tsd of 120 mw in
ingur / thingalur ss
fed areas
Not approved
1283 Chennai 400 KVSunguvarchatram 400
KV
200MVA,400/110KV AUTO TRANSFORMER-
4Monthly maintenance work
During the LC Period Auto Transformer-4 in OFF condition and Auto Transformer -3 will
cater the load of Auto Transformer-4 without interruption.
Possible OCC
Appd. 129/211Wed, 26-Apr-2017 09:00 Wed, 26-Apr-2017 17:00 1 0 Approved
1284 Erode 110 KV ANTHIYUR 230 KV110KV METTUR FEEDER BREAKER CT
AND LINE SWITCHMONTHLY MAINTENANCE WORKS
DURING LC PERIOD OTHER END ALSO PROGRAMMED TO AVAIL MONTHLY
MAINTENANCE ON THIS FEEDER .NO SS WILL BE AFFECTED.possible Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 15:00 1
subject to the load
condition existingApproved
1285 Erode 230 KV KUNDAH PH3 230 KV PH3 - KARAMADAI FEEDER For monthly maintenance work Both ends are open condition, MODS are open condition possible Wed, 26-Apr-2017 8:00 Wed, 26-Apr-2017 17:00 1subject to the load
condition existingApproved
1286 Madurai 110 KV KODIKURICHY 230 KV
110KV Kodikurichi -Tenkasi - Papanasam
feeder section between 110 KV Kodikurichi
SS -Tenkasi SS
For replacement of defective insulator at loc no: 16
During LC period, i)110KV Tenkasi ,Shenkottai, Keelapavoor & 110 KV Kadayam SS will
be fed from 110 KV Papanasam - Kayathar feeder by closing of AB switch towards
Kadayam at Rastha SS end ii) 110Kv AB switch Towards Tenkasi will be kept opened at
kodikurichy ss and 110Kv AB switch Towards Kodikurichy will be kept opened at Tenkasi
ssiii).Hence no SS will be affected.
POSSIBLE Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1 Sub to wind gen Approved
1287 Madurai 230 KV PUGALUR 230 KV230 KV Paruthiyur feeder breaker, CT & Line
switch onlyMonthly Maintenance work
During the LC period, there will be no supply on the above feeder. Concurrence to be
obtained from M/s Regen power Tech.Paruthiyur.POSSIBLE Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1
Sub to
concurrance from
Paruthiyur
Approved
1288 Erode 110 KV UNJANAI 230 KV
1. 110KV UNJANAI - BKB-II FEEDER
BREAKER ,CT'S AND LINESIDE ISOLATOR
ONLY.2. AUTO TR NO :I AND IT'S
BREAKERS & CT'S ONLY
FOR MONTHLY MAINTENCE WORK.1. 110KV PALLIPALAYAM SS ALSO AVAILING TOTAL SHUTDOWN ON THE SAME
DAY
1. possible 2.
postponedWed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1
1. subject to load
condition existing;
2. tsd relief
insuffiicient
Subject to
EE/SLDC/Erode
approval
1289 Erode 110 KV UNJANAI 230 KV
1.110KV UNJANAI - SANKARI FEEDER
BREAKER , CT'S AND LINESIDE ISOLATOR
ONLY.2. 230KV UNJANAI - SALEM
400KVSS FEEDER BREAKER, CT'S AND
LINESIDE ISOLATOR ONLY.
FOR MONTHLY MAINTENANCE WORK1. 110KV SANKARI SS ALSO AVAILING TOTAL SHUTDOWN ON THE SAME DAY.2.
SALEM 400KVSS ALSO PRAMMED TO AVAIL L.C ON THE SAME DAY ON THAT DAYpostponed Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1
sankagiri ss tsd
scheduled for
21.04.2017
Subject to
EE/SLDC/Erode
approval
1290 Madurai 230 KVTUTICORIN -AUTO 230
KV
On 230 KV TTN -Kayathar feeder breaker
with CT bus and line side switchesFor monthly maintenance work During the Lc period No SS will be affected. POSSIBLE Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1
Possible sub to
TTPS genApproved
1291 Erode 230 KV Salem 400 KV230 KV Thingalur # - Its CTs, BREAKER,
BUS & LINE SWITCHESBoth end Monthly Maintenance Work Both end Monthly Maintenance Work postponed Wed, 26-Apr-2017 8:00 Wed, 26-Apr-2017 14:00 1
to be scheduled
after the 230 kv
mtps 3 to thingalur
feeder is back in
service or with a
tsd of 120 mw in
ingur / thingalur ss
fed areas
Not approved
1292 Madurai 230 KVCHECKANURANI SW
STATION 230 KV230KV Buscoupler Breaker For Monthly maintenance works During the LC period, no supply will be affected POSSIBLE Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1 0 Approved
1293 Madurai 110 KV VALUTHUR 230 KV 110KV VGTPS - Perungulam feeder entire. Tree cutting work.During the LC period 110KV Valuthur - Perungulam and 110KV Arkay - Mandapam -
Perungulam feeders will be in service. Hence, there is ''NO' interruption to Perungulam SSPOSSIBLE Wed, 26-Apr-2017 10:00 Wed, 26-Apr-2017 17:00 1 0 Approved
1294 Madurai 110 KV KADALANGUDI 230 KV110KV Vaitheeswarankoil- LTPCL feeder
entireLine inspection and rectification work.
No interruption to any SS. 110KV Manalmedu SS proposed to shutdown. The 110KV
V.Koil, Poraiyar and Thiruvengadu SS supply fed from 110KV Kadalangudy- V.Koil
feeder.
POSSIBLE Wed, 26-Apr-2017 10:00 Wed, 26-Apr-2017 16:00 1 0 Approved
1295 Madurai 230 KV KARAIKUDI 230 KVOn 230/110KV Auto.Tf- 3 & its allied
Equipments.For Monthly Mtc Work
During the LC Period the Auto.Tf-3 Load will be Contained other Auto.Tf- 1 & 2. Hence
there will be No interruption of Supply.POSSIBLE Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1
Sub to load
conditionApproved
1296 Madurai 110 KV KARAIKUDI 230 KVOn 110KV Devakottai # S/B Sakkavayal &
Devakottai.For Disc Replacement Work.
During the LC Period the Devakottai SS will be under TSD. Sakkavayal will be fed radially
from 230KV KKDI SS.Hence there will be No interruption of Supply.POSSIBLE Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1 0 Approved
1297 Erode 110 KVPALLAKAPALAYAM 230
KV
110KV Sankari -I# CT,Breaker and 110KV
Sankari II # CT,BreakerMonthly Maintenance work
1.Veppadai 110KV SS Avail Total Shud down on that day and Radially from other
end.2.Radially from other end and LC taken one by one.postponed Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1
110 kv salem to
sankagiri section
lc recommended
Subject to
EE/SLDC/Erode
approval
1298 Madurai 230 KV KAVANOOR 230 KV 230 KV KAVANOOR-SIPCOT #MONTHLY MAINTENANCE WORKS AND LINE
MAINTENANCE WORKSNO SUPPLY IN THE FEEDER POSSIBLE Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1 0 Approved
1299 Madurai 110 KV KUTTALAM
110 KV KGTPS-THIRUVARUR FEEDER
BREAKER WITH ENTIRE LINE AT BOTH
END.
BREAKER TESTING AND OTHER MAINTENANCE
WORKS IN ISOLATORS AT KGTPS ENDDuring the LC period there is no interruption of supply to any ss POSSIBLE Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1 0 Approved
1300 Erode 230 KVOTHAKKAL MANDABAM
230 KV
230 KV OKM-Ponnapuram Feeder Entire
(Breaker, CT's, 89M1, 89M2 & 89L Isolators)
for annual relay testing work by GRT wing and
monthly maintenance works.During the LC period, the other 230 KV feeders are in service to cater the SS loads. possible Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1
subject to the load
condition existingApproved
1301 Erode 230 KV DEVIAKURICHI 230 KVBreakers and CTs
For Monthly Maintenance workAuto Transformer II will be in service. 110 KV Deviakurichy-Singipuram feeder I and II will
be kept radial from Singipuram 230kV SS endpossible Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1
subject to the
other auto tr
loading limit
Approved
1302 Chennai 230 KV ARNI 230 KV230KV Arani- Singarapet Feeder Breaker,
230KV CTs and Line IsolatorFor monthly maintenance work
At present the 230KV Arani- Singarapet Feeder Breaker is in Hand Tripped condition.
Also on 26.04.2017 LC scheduled in 230KV Arani Singarapet 230KV Feeder by both Sub
stations ( Arani and Singarapet SS) for Monthly Maintenance work.Hence there will be no
interruption of supply.
Possible Wed, 26-Apr-2017 09:00 Wed, 26-Apr-2017 14:00 1 0 Approved
1303 Madurai 110 KV KAYATHAR 230 KV
110KV KAYATHAR -SURULIYAR FEEDER
SECTION B/W KAYATHAR &
SANKARANKOVIL
1)Line inspection and rectification workDURING THE LC PERIOD,SANKARAN KOVIL SS WILL BE RADIALLY FED FROM
SURULIYAR POWERHOUSE HENCE NO SS AFFECTEDPOSSIBLE Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1 0 Approved
1304 Madurai 110 KV KADALANGUDI 230 KV110KV KGTPS-Thiruvarur express feeder
entireLine inspection and rectification work
No interruption to any SS. All other feeders will be in tied condition. AEE/Lines/Thiruvarur
also applied LC on the same.POSSIBLE Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 16:00 1 0 Approved
1305 Madurai 230 KVTUTICORIN -SIPCOT
230 KV
On 230 KV Sipcot-Kavanoor feeder breaker
with CTs and line isolators only.
a) For monthly maintenance works. B) For Main-II
Distance relay changing work.POSSIBLE Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1 0 Approved
1306 Chennai 400 KV Sriperumbudur 400 KV 400KV HV-1 Breaker Quarterly maintenance work During the period of shutdown Auto-1 will be fed by 400kv tie breaker 352Possible OCC
Appd. 129/212Wed, 26-Apr-2017 09:00 Wed, 26-Apr-2017 17:00 1 0 Approved
1307 Erode 230 KV METTUR AUTO 230 KV 230 KVSS - Thingalaur feeder entirefOR Checking Of Jumbercone Tightness at River
crossing Towers LOC NO: 198 & 199Both K.R.Thoppur SS and Thingalur SS have Programmed for Mtc work on that day. postponed Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1
to be scheduled
after the 230 kv
mtps 3 to thingalur
feeder is back in
service or with a
tsd of 120 mw in
ingur / thingalur ss
fed areas
Not approved
1308 Erode 230 KV SINGARAPET 230 KV230 KV Arani # Breaker and CTs& line
isolators
To carry monthly maintenance work by
AEE/MTC/230 KV SS / SPT
During the LC period both ends Maintenance work programmed and hence no interruption
of supplypossible Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 15:00 1
other feeders will
cater to the loadsApproved
1309 Madurai 110 KV SRPUDUR 230 KV On 110 KV Bus II & III Only B Phase damaged conductor replacement work.NOT
POSSBLEWed, 26-Apr-2017 10:00 Wed, 26-Apr-2017 17:00 1
May programmed
along with Total
s/d in Ko1&2
feeders
Subject to Total
shutdown
1310 Chennai 110 KV manali230kv 110KV Athipet - L&T Jumper tightness. Tower to Tower inspection. All other feeder in service. Possible Wed, 26-Apr-2017 08:00 Fri, 28-Apr-2017 18:00 3
Subject to
concurrence from
L&T
Approved
1311 Erode 110 KV ARASUR 230 KVBreaker and Its CTs.
For Monthly maintenance work( 110 KV Kallimadai
SS total Shut down)
During the LC Period 110 KV Arasur- Coimbatore feeder radial from 230 KV Coimbatore
SS.possible Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 12:00 1
subject to the
feeder being kept
radial from
coimbatore ss
Approved
1312 Madurai 230 KV ALUNDUR 230 KV100 MVA Auto Transformer - I ,HV-I,LV-I
Breaker's, CT's and Isolators.a)Monthly maintenance work. b)Relay Testing work.
During the LC period, a)An Other 100 MVA Auto Transformer -II will be in service. b) All
other 110 KV feeders will be in service. c)There will be no interruption of supply to any
other feeders.
POSSIBLE Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1 0 Approved
1313 Erode 110 KV Singarapet 110 KV110 KV Samalpatty # II, SF6 Bkr, CTs & Line
Isolator.Monthly maintenance work
During the LC period 110KV Samalpatty Railway Traction will be transferred to 110KV
Samalpatty I feeder, hence no interruption of supplypossible Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 15:00 1
feeder 1 will be in
serviceApproved
1314 Madurai 400 KV kayathar230kv
400kv Main Breaker for ICT3(412-52),230kv
LV Breaker for ICT3(203-52), Tie Breaker for
ICT-2 & ICT-3 (411-52) and 400/230kv ICT3
Monthly Maintenance work
During the LC period there will be no supply in 400kv Main Breaker for ICT3(412-
52),230kv LV Breaker for ICT3(203-52), Tie Breaker for ICT-2 & ICT-3 (411-52) and
400/230kv ICT3. Hence no substation affected.
POSSIBLE Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1
sub to wind gen
and App 129
occ/210
Approved
1315 Chennai 110 KVGUMMIDIPOONDI 230
KV110KV Sanmar feeder
Monthly maintenance work , CT clamp and bolt nuts
replacementconcurance to be obtained from M/s. Sanmar 0 Wed, 26-Apr-2017 10:00 Wed, 26-Apr-2017 17:00 1
Subject to
concurrence from
M/s. Sanmar
Approved
1316 Erode 230 KV PONNAPURAM 230 KV230 KV Ponnapuram - OKM# Breaker, CT&
Line entire
For annual relay test by P&C WING / UDT & Monthly
Maintenance works.1. 230KV GRID #, HENCE NO SS WILL BE AFFECTED possible Wed, 26-Apr-2017 10:00 Wed, 26-Apr-2017 17:00 1
subject to the load
condition existingApproved
1317 Madurai 110 KV KAYATHAR 230 KV110 KV Kayathar - Suruliyar # Breaker with
CT only
a) For Monthly Maintenance Workb) For GRT annual
relay testing workDuring the LC period other end also avails LC hence No ss affected POSSIBLE Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1 0 Approved
1318 Erode 110 KV SALEM AUTO 230 KV
110KV Salem - Sankagiri feeder section
between Veerapandy 110KV SS and
Sankagiri 110KV SS.
Railway crossing jumpers checking.
1) 110KV Salem - Sankagiri feeder breaker kept hand tripped at Sankagiri 110KV SS.2)
110KV Salem - Sankagiri feeder series switch at Veerpandy 110KV SS towards Salem
will be kept opened.3) There will be no supply in 110KV Salem - Sankagiri feeder section
between Veerapandy 110KV SS and Sankagiri 110KV SS.4) Mallasamudram 110KV SS
will be radially fed from Salem 230KV SS.5) Veerapandy 110KV SS is availing total
shutdown on that day.6) There will be no interruption of supply to any SS.
possible Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1subject to the load
condition existingApproved
1319 Madurai 110 KV KAYATHAR 230 KV
1.110KV KYTHR-K.G.PATTI FEEDER SEC
B/W KYTHR &KALUGUMALAI;2.110KV
KYTHR-SURULIYAR FEEDER SEC B/W
KYTHR&SANKARAN KOVIL
FOR(tlc Work) stringing between tower loc 63 to 64
in the newly erected 230kv dc line from
Kayathar400KVSSto tuticorin autoSS Cross Over
the1.110KV KYTHR-K.G.PATTI FEEDER ;2.110KV
KYTHR-SURULIYAR FEEDER (L0C 355&356) (For
Safety Purpose)
DURING THE LC PERIOD,1.KALUGUMALAI SS WILL BE RADIALLY FED FROM
K.G.PATTI 2.SANKARAN KOVIL ss WILL BE RADIALLY FED FROM SURULIYAR
HENCE NO SS AFFECTED
NOT
POSSBLEWed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1
PYR-KGPTY-KYR
# programmed
along with Total
s/d
Not approved
1320 Madurai 110 KVNEMALITHIPIYAKUDI
230 KV
A) 110KV NEMMELI THIPPIYAKUDI-
KOVILKALAPPAL (VIA:VADASERI) FEEDER
BREAKER, CT's, AND LINE ISOLATOR. B)
110KV NEMMELI THIPPIYAKUDI-
KOVILKALAPPAL (VIA:VADASERI) FEEDER
ENTIRE
A) FOR MONTHLY PREVENTIVE MAINTENANCE
WORK BY AEE/MTC/ N.T.KUDI.B) FOR
PREMONSOON INSPECTION WORK BY
AE/LINES/ PATTUKKOTTAI.
1) DURING THE LC PERIOD 110/33-11KV VADASERI SS WILL AVAIL TOTAL
SHUTDOWN2) NO INTERRUPTION TO ANY SUBSTATIONS AND ALL OTHER 110KV
FEEDERS ARE TIED CONDITION.
POSISBLE Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1Due to 110KKPL-
TVR(Exp)# LC
Approved subject to
Load
1321 Erode 110 KV METTUR AUTO 230 KV 110KV Anthiyur Feeder entire For Monthly Maintenance work During the LC period other 110KV feeders will be in service possible Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 17:00 1subject to the load
condition existingApproved
1322 Erode 110 KV PYKARA110KV PYKARA - SANDYNALLAH #
(BREAKER AND CT)FOR MONTHLY MAINTENANCE WORK NIL possible Wed, 26-Apr-2017 8:00 Wed, 26-Apr-2017 17:00 1
subject to the load
condition existingApproved
1323 Chennai 110 KV CUDDALORE 230 KV110 KV Cuddalore - J.K. Pharma # breaker,
For monthly maintenance worksDuring the period of LCJ.K. Pharma - Under D.C. from 25.06.2004Hence NO Interruption
of SupplyConcurrence obtained from SE/O/VillupuramPossible Wed, 26-Apr-2017 09:00 Wed, 26-Apr-2017 17:00 1 0 Approved
1324 Erode 110 KV ALIYAR 230 KV110KV ALR-AKY FEEDER CB,CTs AND
LINE SECTION BETWEEN ALR SS&AKY SSQuarterly mtce work During the LC period AKY SS under shutdown condition possible Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 14:00 1
subject to the tsd
being realizedApproved
1325 Erode 110 KV PONNAPURAM 230 KV110KV MARUTHUR # S/B 110KV
SALAIPUTHUR & KETHANUR SSFor providing of Adjustable arching horns
1. 110KV MALAYADIPALAYAM SS WILL AVAIL TOTAL SHUTDOWN ON 26.04.2017 2.
110KV MARUTHUR # WILL KEPT RADIAL UP TO 110KV SALAIPUTHUR SS3. 110KV
KETHANUR SS WILL FEED FROM 230KV ARASUR / 110KV KANIUR#4. 110KV
KARADIBAVI SS WILL BE FEED FROM FROM 230KV OKM SS/110KV NEGAMAM-II#5.
HENCE NO SS WILL AFFECTED
possible Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 14:00 1subject to the load
condition existingApproved
1326 Erode 110 KV LOWER METTUR 2
110 kV Commom Bus and its associated
equipment at 110 kV switch yard LMBPH- 2 /
Nerinjipettai
To carry out the erection (Replacement) of 3 nos
new PTs in the existing structure at LMBPH -2 /
Nerinjipettai
(i) During the LC period Unit 1 & 2 will be in shut down condition.(ii)110 Kv KRT feeder
will be fed radial from KRT SS up to Poolampatty SS end & series switch towards LMBPH
- 2 / Nerinjipettai at Poolampatty SS will be kept opened.(iii) 110kV LMBPH - 1 Feeder will
be kept cut off at LMBPH - 1 end.(iv) 110 kV LMBPH -3 feeder will be kept cut off at
LMBPH - 3 end.
postponed Wed, 26-Apr-2017 9:00 Wed, 26-Apr-2017 15:00 1
no tsd scheduled
and auto tr 3 at kr
thoppur ss would
overload; to be
scheduled on a
sunday
Subject to
EE/SLDC/Erode
approval
1327 Chennai 230 KV
BASIN
BRIDGE(GMRVASAVI)
230 KV
Auto Transformer 1 Routine maintenance work Auto TR 1 will not be in service, Auto Tr 2,3 , all 230 KV #s & 110 KV #s will be in service. Possible Wed, 26-Apr-2017 09:00 Wed, 26-Apr-2017 17:00 1 0 Approved
1328 Chennai 110 KV Kadaperi 230kv 110 KV PALLAVARAM FEEDER QUARTERLY MAINTENANCE WORK 1.110 KV Pallavaram # will be off condition
Possible with
CBD
Concurrence
Wed, 26-Apr-2017 09:00 Wed, 26-Apr-2017 12:00 1 0 Not approved
1329 Chennai 110 KV THARAMANI 230 KV 110 KV Bus Coupler Qtrly. Mtce. work 110 KV BUS will be in service seperaly Possible Wed, 26-Apr-2017 09:00 Wed, 26-Apr-2017 17:00 1 0 To be discuss
1330 Chennai 230 KV SPKoil lines Auto Transformer 4 Monthly Maintenance Work Possible Thu, 27-Apr-2017 10:00 Thu, 27-Apr-2017 17:00 1 approved Approved
1331 Madurai 230 KVCHECKANURANI SW
STATION 230 KV230KV CKNI-Theni Feeder Entire
For Monthly maintenance works and Line
Maintenance works
During LC Period there will be no supply in the entire feeder.Also, Thevaram
SS,Ayyampalayam SS,Batlagundu SS,Vaigai Dam SS & Aundipatty SS are availing
shutdown
POSISBLE Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1
ONLY 40 TO 50
S/D PROPOSED.
MORE S/D
NEEDED
Approved Subject to
load condition
1332 Madurai 230 KV THIRUVARUR 230 KV 110KV Thiruvarur - KGTPS Express feederLine premansoon inspection and rectification work,
Breaker, CT's and Isolator maintenance work.During the LC period there will be no interruption of supply to any other substation. POSSIBLE Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1 0 Approved
1333 Erode 230 KV THUDIALUR 230 KV 230KV Karamadai feeder entire For monthly mtce works During the LC period, other 230KV feeders will be in service postponed Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 14:00 1
230 kv kph 3 to
karamadai feeder
lc recommended
Approved
1334 Madurai 230 KV KODIKURICHY 230 KV 230 KV Tie breaker For Monthly Maintenance work The Tie breaker already kept in idle condition. POSSIBLE Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1 0 Approved
1335 Madurai 230 KV KAYATHAR 230 KVOn 230KV Kayathar - (400KVSS)Kayathar I
feeder breaker with CT & entire line
a) For monthly maintenance work. b) Tower to
Tower inspection work.During the LC period, Other end also availing LC. Hence no SS affected. POSSIBLE Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1 0 Approved
1336 Erode 230 KV GOBI 230 KVAUTO TRANSFORMER III HV,LV BREAKER
AND CT'S
FOR ANNUAL RELAY TESTING WORK BT
P&C/GOBI AND FOR MONTHLY MAINTENANCE
WORK
AUTO TRANSFORMER I AND II ARE IN SERVICE,IT MAY CATER THE LOAD possible Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
1337 Madurai 230 KVCHECKANURANI SW
STATION 230 KV
230KV CKNI-Nallamanayakkanpatty Feeder
Entire
For Monthly Maintenance work and Line
Maintenance WorkDuring LC Period there will be no supply in the entire feeder POSSIBLE Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1 0 Approved
1338 Erode 400 KV Salem 400 KVBREAKER, & Its SWITCHES
Monthly Maintenance WorkHV Breaker I & II will be in service condition,Hence there will be no interruption of supply
to 400 / 230 KV Auto transformers I & II.possible Thu, 27-Apr-2017 8:00 Thu, 27-Apr-2017 14:00 1 occ approved Approved
1339 Madurai 230 KVNALLAPPANAYAKANPA
TTY 230 KV
230KV CHEKKANURANI FEEDER
BREAKER WITH C.T AND LINE ISOLATOR.FOR MONTHLY MAINTENANCE WORK.
DURING THE L.C PERIOD OTHER END ALSO AVAILING L.C ON THAT DAY.NO SS
WILL BE AFFECTED.POSSIBLE Thu, 27-Apr-2017 10:00 Thu, 27-Apr-2017 16:00 1 0 Approved
1340 Madurai 110 KV then I 230 KV110KV PYR- KYR # ( sec between
K.G.PATTY SS AND MUDANGIAR SS)
LINE MONTHLY MTCE AND PREMONSOON
INSPECTON WORKS
NO INTERRUPTION TO ANY SS.( K.G.PATTY SS RADIAL FROM PYR PH AND
MUDANGIAR SS RADIAL FROM KYR SS)
NOT
POSSIBLEThu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1
Due to load
condition. LC May
be programmed
along with Total
s/d
Not approved
1341 Madurai 110 KVRENGANATHAPURAM
230 KV110KV RNPM - Pugalur # Br,CT's Monthly Maintenance works During LC period the feeder will be radially fed from Pugalur end upto RNPM SS POSSIBLE Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 14:00 1 0 Approved
1342 Madurai 230 KV KAVANOOR 230 KV230/110 KV AUTO TRANSFORMER 1 - 50
MVA, HV BR., LV BR.MONTHLY MAINTENANCE WORKS
AUTO TR. 1 WILL NOT BE IN SERVICE. LOADS TO BE CATERED BY THE OTHER
AUTO TR.POSSIBLE Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1 0 Approved
1343 Madurai 230 KV UDAYATHUR 230 KV110KV UDAYATHOOR- RADAHAPURAM
FDR. BR.,CT &LINESWMONTHLY MAINTENANCE WORK
During the LC period the 110kvRadhapuram ss will be fed from 110kv SR.Pudur -
Arumuganeri feeder2POSSIBLE Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 14:00 1 Sub to wind gen Approved
1344 ErodeGENERATI
NG
STATIONS
METTUR DPH MACHINE 4 MONTHLY MAINTENANCE WORKSTHE PWD DEMAND WILL BE MEET OUT BY OTHER STANDBY MACHINES AT DAM
POWER HOUSE,METTUR.possible Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 15:00 1
other machines
will be in serviceApproved
1345 Madurai 110 KV TRICHY 230 KV110KV TRICHY - ALUNDUR II breaker,CTs &
Line Isolator and line entire.
a) For monthly maintenance works. b) Pre monsoon
inspection
During the LC period, a) other end also availing shutdown for monthly maintenance work
b) Intermediate 110 KV Manikandam SS also availing Total shutdown c) All other 110 KV
feeders will be in service d) There will be no interruption of supply to any other feeders &
SS.
POSSIBLE Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 16:00 1 0 Approved
1346 Madurai 230 KV THIRUVARUR 230 KV 230KV Thiruvarur - Kadalangudy feederLine premansoon inspection and rectification
work,Breaker, CT's and Isolator maintenance work.
During the LC period all other 230KV feeders are in tied condition. Hence there will be no
interruption of supply to any other substation.POSSIBLE Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1 0 Approved
1347 Madurai 110 KV EACHANGADU 230 KV110 kv Pennadam (Radial) Feeder BREAKER
, CT'S.FOR MONTHLY MAINTENANCE WORK.
DURING THE ABOVE SHUTDOWN PERIOD 110 KV PENNADAM SS IS ALSO
AVAILING TOTAL SHUT DOWN and normaly the feeder is radial from Eachangadu 230
KV SS.
POSSIBLE Thu, 27-Apr-2017 10:00 Thu, 27-Apr-2017 14:00 1 0 Approved
1348 Madurai 230 KV EACHANGADU 230 KV50 MVA ,Auto Transformer II &HV II, LV II
Breaker,CT's & their related Equipments
For Monthly maintenance works & Annual Relay test
by GRT/VPM.
During the above work, Eachangadu 230 KV SS loads will be fed from the other Auto
Transformer -I.Loads will be with in one transformer capacity since 110 KV Vridhachalam
SS Loads are already transferred to 110 KV Neyveli - Deviakurichi feeder
POSSIBLE Thu, 27-Apr-2017 10:00 Thu, 27-Apr-2017 17:00 1 0 Approved
1349 Erode 230 KVOTHAKKAL MANDABAM
230 KV
230 KV OKM-Palladam Feeder Entire
(Breaker, CT's, 89M1, 89M2 & 89L Isolators)Polluted disc replacement work by lines wing. During the LC period, the other 230 KV feeders are in service to cater the SS loads. possible Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1
subject to the load
condition existing
and both ends
availing the lc
Approved
1350 Chennai 400 KV Thiruvalam 400 KV 230KV Singarapet feeder Maintenance & GRT Periodical Relay testing 1)230KV Singarapet feeder kept in OFF condition at both end. Possible Thu, 27-Apr-2017 09:00 Thu, 27-Apr-2017 17:00 1 0 Approved
1351 Madurai 230 KV KADALANGUDI 230 KV 230KV Kadalangudy- Thiruvarur feeder entire For monthly Maintenance workNo interruption to any SS. All other feeders will be in tied condition. Other end also
applied LC on the same.POSSIBLE Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1 0 Approved
1352 Chennai 110 KV ACHRAPAKKAM 230 KV
110KV VILLUPURAM I &II FEEDER
BREAKERS AND CT'S WITH LINE SIDE
ISOLATOR
TO CARRYOUT MONTHLY MAINTENANCE WORK
1.110KV ACK- VILLUPURAM I FEEDER WILL BE RADILLY CHARGED FROM 110KV
VILLUPURAM SS UPTO 110KV THIDIVANAM SS AND 110KV LINE SIDE ISOLATOR
OPEND CONDITION IN TOWARDS 230KV ACHARAPAKKAM SS SIDE AT 110KV
THIDIVANAM SS.2.110KV ACK- VILLUPURAM II FEEDER WILL BE RADILLY
CHARGED FROM 230KV VILLUPURAM SS UPTO 110KV ELAMANGALAM SS AND
110KV LINE SIDE ISOLATOR OPEND CONDITION IN TOWARDS 230KV
ACHARAPAKKAM SS SIDE AT 110KV ELAMANGALAM SS.
Possible Thu, 27-Apr-2017 09:00 Thu, 27-Apr-2017 16:00 1 0 Approved
1353 Erode 230 KV SINGARAPET 230 KV230 KV Thiruvalam # Breaker, CTs & line
isolators
To carry monthly maintenance work by
AEE/MTC/230 KV SS / SPT
During the LC period both ends Maintenance work programmed and hence no interruption
of supplypossible Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 15:00 1
other feeders will
cater to the loadsApproved
1354 Erode 230 KV THUDIALUR 230 KV230/110KV, 100MVA Auto Transformer I, HV-
I & LV-I
For monthly mtce works & new differential relay
commissioningDuring the LC period, Auto Transformer II & III will be in service. possible Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
1355 Madurai 110 KV SANKANERI 230 KV110KV Sankaner- koodankulam feeder
Breaker CTs & Lineswitches.
For monthly maintenance & GRT Annual Relay
Testing purpose.
During the LC Period 110KV Vijayapathy SS supply Radially fed from SRPuthoor-
Arumuganeri feeder-II, By Closing Buscoupler-II at 110KV Koodankulam SS.Hence no SS
will be affected.
POSSIBLE Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 14:00 1 Sub to wind gen Approved
1356 Madurai 110 KV ALUNDUR 230 KV110KV Alundur - Trichy-II Feeder
breaker,CT's, and Line Isolators.a)Monthly maintenance work. B)Relay testing work.
During the LC period, a)other end also aviling shut down. and Intermediate 110KV
Manikandam SS Also avail total shut down. b) All other 110 KV feeders will be in service
c)There will be no interruption of supply to any other feeder's and ss.
POSSIBLE Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1 0 Approved
1357 Erode 110 KV SALEM AUTO 230 KV110KV Singapuram Feeder-I Breakers, CT's
and Line Isolators.Monthly Maintenance work.
1.110KV Singapuram feeder-I will be fed radially from other end. 110KV Udayapatty SS
will be availing total shutdown. There will be no interruption to any SS or feeder.possible Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1
subject to
udayapatty ss
availing tsd
Approved
1358 Madurai 230 KV kayathar400kv230KV Kayathar-1 feeder Main breaker (204-
52), CT,CVT and LASMonthly Maintenance work
During the LC period there will be no supply in 230KV Kayathar-1 feeder Main breaker
(204-52), CT,CVT and LAS, Hence no substation affected.POSSIBLE Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1 0 Approved
1359 Madurai 110 KV KODAIYAR PH2 S.R Pudur 110KV feeder-I SF6 breakerMonthly maintenance of 110KV SR.Pudur #-1 SF6
breaker & Annual relay testFeeder will be radial from other end. Hence no SS will be affected. POSSIBLE Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1 0 Approved
1360 Madurai 110 KV KAYATHAR 230 KV
110 KV Kayathar - Periyar # Breaker with CT
and New C&R panel replacement work by
GRT
a) For Monthly Maintenance workB) New C&R panel
replacement work by GRTDuring the LC period other end also avails LC. Hence, no ss affected.
NOT
POSSBLEThu, 27-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 2
LC programed
before 15th Apr
and along with s/d
Not approved
1361 Madurai 230 KV KADALANGUDI 230 KV 230 KV Kadalangudi -Thiruvarur feederFor carrying out premonsoon inspection works by
the AEE/Lines/Thanjavur.
During the LC period,1) all other 230 KV feeders will be in tied condition,2) no supply
interruption to any SS.POSSIBLE Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1 0 Approved
1362 Erode 110 KV karamadai230KV110KV Karamadai-Irumborai feeder breaker,
CTs & CVTs.For maintenance works. Total shutdown availed by Irumborai SS. possible Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 14:00 1
subject to
irumborai ss
availing tsd
Approved
1363 Erode 110 KV SALEM AUTO 230 KV
110KV Salem - KR Thoppur II feeder section
between Karuppur 110KV SS and KR
Thoppur 400KV SS.
Railway crossing jumpers checking.
1) 110KV Salem - KR Thoppur II feeder breaker kept hand tripped at KR Thoppur 400KV
SS.2) 110KV Salem - KR Thoppur II feeder series switch at Karuppur 110KV SS towards
KR Thoppur will be kept opened.3) There will be no supply in 110KV Salem -KR Thoppur
II feeder section between Karuppur 110KV SS and KR Thoppur 400KV SS.4) 110KV
Salem - KR Thoppur II feeder will be radially fed upto Hastampatty 110KV SS from Salem
230KV SS.5) Karuppur 110KV SS will be availing total shutdown on that day.5) There will
be no interruption of supply to any SS.
possible Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1
subject to
karuppur ss
availing tsd
Approved
1364 Madurai 230 KV PERAMBALUR 230 KV
1)230/110KV Auto Transformer I (100MVA),
HV I Breaker & LV I breaker, CT's, Isolators.
2)110KV DSSL (Krishnapuram) Feeder
breaker,CT's and Wave trap,Line PT. 3)
110KV DSSL Feeder Line section between
Perambalur SS and Esanai SS.
1)For monthly maintenance work and to attend Oil
Leakege in 110KV Line P.T of DSSL Feeder 2)For
annual relay test by wing GRT/Trichy.
During above period of shut down 1)110KV Kallakudy -I feeder and 110KV DSSL
(Krishnapuram)feeder tie will be opened at Perambalur SS. 2)The remaining loads will be
fed Through Auto Transfermer III(100MVA) of Perambalur Auto SS.
POSSIBLE Thu, 27-Apr-2017 10:00 Thu, 27-Apr-2017 16:00 1 0 Approved
1365 Madurai 110 KVNEMALITHIPIYAKUDI
230 KV
110KV Pattukkottai -Peravurani -
Sethubavachitram-Keeramangalam Radial
feeder. (LP: 110KV Sethubavachitram SS to
110KV Keeramangalam SS ).
For Premonsoon Inspection Work by
AE/Lines/pattukkottai.
1) DURING THE LC PERIOD 110/33-11KV PERAVURANI SS, 110/33KV
SETHUBAVACHATHIRAM SS FED FROM 110 KV PATTUKKOTTAI SS RADIALLY.2)
110KV KEERAMANGALAM SS LOAD WILL BE TRANSFERRED TO 230 KV
PUDUKKOTTAI SS3) NO INTERRUPTION TO ANY OTHER SS. 4) LC APPROVAL TO
BE OBTAINED FROM SE/O/TRICHY.
POSSIBLE Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1Sub to load
conditionApproved
1366 Erode 110 KV LOWER METTUR 1 110kV common bus L.C
a) 110 kV additional bus PTs' com missing works by
AEE/P&C/Metturb) To carry out annual relay test in
110 kV BPH-1 to MDPH feeder and 110 kV BPH-1 to
BPH-2 feeder by AEE/P&C/Mettur
During the L.C perioda)Unit-1 in standby condition and unit -2 will be under independent
spell AOH worksb)The PWD demand will be met out by unit-1 after completion of
common bus L.C works.c)As present the LMBPH-1/chekkanur bondage HRL (190.70) is
lower then the FRL.
possible Thu, 27-Apr-2017 8:00 Thu, 27-Apr-2017 17:00 1
subject to the
import at erode ss
bus and the load
condition existing
Approved
1367 Chennai 110 KV CUDDALORE 230 KV110 KV Capacitor Bank II with Breaker &
For monthly maintenance worksDuring the period of LC110 KV Capacitor Bank I will be in serviceHence NO Interruption
of SupplyConcurrence obtained from SE/O/Villupuram0 Thu, 27-Apr-2017 09:00 Thu, 27-Apr-2017 17:00 1
Concurrence from
SE/O
Concurrence from
SE/O
1368 Chennai 230 KV THIRUVALAM 230 KVentire.
For replacement of damaged disc at Loc 334 & 335.feeders 230KV Link I, Link II, S. P.Koil feeders are in service.Hence there will be no
interruption of supply please.
Possible Thu, 27-Apr-2017 09:00 Thu, 27-Apr-2017 14:00 1 0 Approved
1369 Erode 230 KV SINGAPURAM 230 KV Auto Transformer (Auto Transformer-II) Monthly Maintenance
1.Monthly Maintenance only one Auto Transformer is available and Auto Transformer will
not be in service and intermediate SS loads will be fed radially from other ends,230KV
feeders will be fed radially.(No LC Proposed at DVKY.End & at salem end)and 110KV
Udyapatty SS is availing TSD on 27.04.2017.
possible Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1
both the 230 kv
and 110 kv bus to
be in service
Approved
1370 Erode 230 KV KUNDAH PH3 230KV KPH3 to Karamadai Feeder
230KV KPH3 to Karamadai Feeder Tower No:60 to
72. Pre monsoon inspection work and maintenance
work.
Bus and line both end open condition earth switch closed condition. postponed Thu, 27-Apr-2017 9:00 Thu, 27-Apr-2017 17:00 1
to be scheduled
on 26.04.2017
along with
maintenance
works
Already approved
1371 Chennai 230 KV SPKoil230 KV 230 KV Kalpakkam feeder 1 Insulator Replacement work Possible Fri, 28-Apr-2017 09:00 Fri, 28-Apr-2017 17:00 1 0 Approved
1372 Madurai 110 KV PASUMALAI 230 KV1)110 KV Pasumalai - Anupankulam # BKR
& CT, LI only. 2) Line entire
1)Maintenance Works of BKr & CT,LI 2)Flash over
Disc replacement works in Aviyur Spur Line
1) Virudhunagar. Aviyur and Railway Traction loads will be Transferred to 110KV
Pasumalai Thullukkapatty Feeder. 2) If necessary the above feeder can be kept radial
from any one end .3) Hence No interruption of Supply to any SS
POSISBLE Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 14:00 1
Dub to ANPM
AUTO 1 LC for
10Days
Approved
1373 Madurai 110 KVANUPPANKULAM 230
KV
110 KV APKM - MADURAI # Br., CT., and
line entire
a) For Monthly Maintenance Works. b) For flash over
disc replacement work at Loc No. 5 & 14
During the LC period 110 KV Virudhunagar SS,110 KV Aviyoor SS & Railway Traction SS
load will be transferred to 110 KV PSQ - Thulukkapatti # Already AE/L/PSQ programed
lines LC. Other end also availing LC on the same date and time. Hence no ss affected
NOT
POSSIBLEFri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1
Due to ANPM
AUTO 1 LC for
10Days
Approved
1374 Chennai 400 KV Alamathy 400 KV 400 KV SVC-I feederFor CT tan delta testing and isolator allignment
work.1. 400 KV SVC-I feeder will not be in service.2. 400 KV SVC-II feeder will be in service.
Possible OCC
Appd. 129/181Fri, 28-Apr-2017 10:00 Fri, 28-Apr-2017 17:00 1 0 Approved
1375 Madurai 230 KV KODIKURICHY 230 KV On 230KV Bus Section I # For Monthly Maintenance work
During the lc period: 1Auto I Will be Out of Service AutoII & III Will Cater the Present SS
Load, 389 mB will be kept at open condition.2 230 KV Veeranam # or Auto I load will be
transferred to main bus through Tie breaker by closing of transferred bus isolators3Auto I
load will be transferred through Tie breaker that condition 230kv Veeranam # Will be
radial from Other End.4230kv Veeranam # load will be transferred through Tie breaker
that condition Auto I Out of service.
POSSIBLE Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1 Sub to wind gen Approved
1376 Madurai 230 KV KAYATHAR 230 KVOn 230KV Kayathar - (400KVSS)Kayathar II
feeder breaker with CT & entire line
a) For monthly maintenance work. b) Tower to
Tower inspection work.During the LC period, Other end also availing LC. Hence no SS affected. POSSIBLE Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1
sub to
normalizaiton of
KYR #1
Approved subject to
Normalisation of
feeder 1
1377 Erode 110 KV ANTHIYUR 230 KV 110KV Anthiyur - Mettur entire feeder.For monthly maintenance of Breaker,CT and Line
switch.
During the LC period Mettur end also programmed to avail LV on 110KV Anthiyur-Mettur
feeder.No SS will be affected.postponed Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 15:00 1
already scheduled
on 26.04.2017
Subject to
EE/SLDC/Erode
approval
1378 Erode 110 KV ANTHIYUR 230 KV110KV THALAVAIPET FEEDER BREAKER
CT AND LINE SWITCHMONTHLY MAINTENANCE WORKS
DURING LC PERIOD 110/22KV THALAVAIPET SS WILL AVAIL TOTAL SHUT DOWN
AS APPROVED. NO SS WILL BE AFFECTED.possible Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 15:00 1
subject to
thalavaipettai ss
availing tsd
Approved
1379 Erode 110 KV UNJANAI 230 KV
1. 110KV UNJANAI - SANKARI FEEDER
BREAKER , T'S AND LINESIDE ISOLATOR
ONLY.2. 230KV UNJANAI - SALEM
400KVSS FEEDER BREAKER, CT'S AND
LINESIDE ISOLATOR ONLY
FOR MONTHLY MAINTENANCE WORK
DURING L.C PERIOD, 1. SNAKARI 110KVSS ALSO AVAILING TOTAL SHUTDOWN ON
THAT DAY.SALEM 400KVSS ALSO AVILAING L.C ON THAT FEEDER ON THE SAME
DAY
postponed Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 16:00 1
sankagiri ss tsd
scheduled for
21.04.2017
Subject to
EE/SLDC/Erode
approval
1380 Madurai 110 KVTUTICORIN -AUTO 230
KV
On 110 KV TTN - ARNI - II # Breaker with CT
bus & line side switchesfor monthly maintenance work
No ss will be affected. During this Lc period 110KV Manjalneerkayal SS will be radialy fed
from 110KV Arni-SSPOSSIBLE Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1 0 Approved
1381 Erode 230 KV Salem 400 KV230 KV LinkII # - Its CTs, BREAKER, BUS &
LINE SWITCHESBoth end Monthly Maintenance Work Both end Monthly Maintenance Work. possible Fri, 28-Apr-2017 8:00 Fri, 28-Apr-2017 14:00 1
subject to the
other link feeder
loading condition
Approved
1382 Madurai 110 KV VALUTHUR 230 KV 110KV VGTPS - Phase II line 3For attending breaker, CT's and isolators Monthly
maintance work.
During the LC period 110KV VGTPS Phase I Line 4 and VGTPS Phase I line 3 feeders
will be in service.POSSIBLE Fri, 28-Apr-2017 10:00 Fri, 28-Apr-2017 17:00 1 0 Approved
1383 Erode 110 KVPALLAKAPALAYAM 230
KV
1.110KV Thevur #,2.110KV BKB-I#,3.110KV
Bus coupler,4.Auto Transformer-I-HV &LV
Side,5.Auto Transformer-II-HV &LV
Side,6.230 KV Gobi #,7.230KV K.R.Thoppur#
8.230KV Bus coupler CTs,Breaker
Tan Delta value measurement in CTs
LC to be availed one by one1.Thevur 110KV SS proposed tsd2.Radi1ally fed from other
end3.Auto Transformer-1 will be manage 110KV BKB-1# and Sankar-I# Load and Auto
Transformer -II will be manage the 110KV Sankari- II#,Barrage-IV # and Thevur#
load4.Auto II Transformer will be manage the load5.Auto I Transformer will be manage
the load6.Radially fed from other end7.Radially fed from other end8.Both Auto
Transformer and 230KV Feeders load Transfer to 230KV Bus I
postponed Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1already scheduled
on 21.04.2017
Subject to
EE/SLDC/Erode
approval
1384 Madurai 230 KV UDAYATHUR 230 KV
230KV UDAYATHOOR-
ABISEKAPATTI(PGCIL)FEEDER,
BR.,CT.CVT&L.SW
MONTHLY MAINTENANCE WORKDURING THE LC PERIOD THERE WILL BE NO SUPPLY TO ENTIRE FEEDER. OTHER
END WILL BE INFORMED.POSSIBLE Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 14:00 1 App 129 occ/183 Approved
1385 Madurai 110 KV THIRUVARUR 230 KV110KV Narimanam - CPCL - Nagapattinam
feederLine premansoon inspection and rectification work
During the LC period the 110KV Narimanam - Nagapattinam feeder will be in service.
Hence there will be no interruption of supply to any other substation.POSSIBLE Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1 0 Approved
1386 Erode 230 KVOTHAKKAL MANDABAM
230 KV
230 KV OKM-Coimbatore Feeder Entire
(Breaker, CT's, 89M1, 89M2 & 89L Isolators)
for annual relay testing work by GRT wing and
monthly maintenance works.During the LC period, the other 230 KV feeders are in service to cater the SS loads. possible Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1
other feeders will
cater to the loadsApproved
1387 Erode 230 KV DEVIAKURICHI 230 KV230 KV STCMS # Breaker, CTs and line side
isolatorFor Monthly Maintenance work 230 KV Deviakurichy- Pudanchandai & Singapuram Feeders will be in service possible Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1
other feeders will
cater to the loadsApproved
1388 Erode 230 KV COIMBATORE 230 KV230KV CBE-Othakalmandapam Feeder
Breaker, CTs and 89L IsolatorFor Monthly Maintenance Works LC Proposed on 230KV OKM-CBE Feeder at 230KV OKM SS possible Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 15:00 1
other feeders will
cater to the loadsApproved
1389 Erode 110 KV UDUMALPET 230 KV 110KV CAPACITOR BANK I ENTIRE FOR MONTHLY MAINTENANCE WORKS NO FEEDERS WILL BE AFFECTED DURING THE LC PERIOD approved Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1
subject to the
voltage profile in
the grid
Approved
1390 Chennai 230 KV Sriperumbudur 400 KV 230KV SPR-NCTPS Feeder and entire line Quarterly maintenance and jumper tightness work All other 230kv feeders will be in service Possible Fri, 28-Apr-2017 09:00 Fri, 28-Apr-2017 17:00 1 0 Approved
1391 Erode 230 KVSADAYAMPALAYAM 230
KV
230 KV Sadayapalayam-Palladam # breaker
CT's & Isolators.Annual relay testing work by P&C Palladam. 230 KV Sadayapalayam-Ponnapuram # in service. possible Fri, 28-Apr-2017 10:00 Fri, 28-Apr-2017 17:00 1
subject to the tsd
relief at palladam
ss after the issue
of 230 kv okm to
cbe feeder
Approved
1392 Madurai 110 KV SAMAYAPURAM 230 KV110 KV SMPM-Kallakudi -II # CT's , Breakers
and entire line portion (tied feeder) .Monthly Maintenance Works and Line Patrol Work.
1. During the above LC Period, 110Kv Kallakudy II # Breaker is in H/T condition at 230KV
Tahtchankurichy SS . 2.110Kv Thatchankurichy II# Breaker is in H/T condition at 110KV
kallakudy Grid SS. 3.Bus and Line Isolator towards 110KV Kallakudy Grid SS will be kept
in open condition at 230KV Thatchankurichy SS. 4.Line Isolator towards 230KV
Thatchankurichy SS will be kept in open condition at 110KV Kallakudy Grid SS. 5. Earth
switch will be kept in closed condition at 110Kv Kallakudy grid ss and 230KV
Thatchankurichy SS. 6.110 KV Kallakudi-I # will be in tied condition. 7.There will be no
interruption to any other SS.
POSSIBLE Fri, 28-Apr-2017 10:00 Fri, 28-Apr-2017 17:00 1 0 Approved
1393 Erode 230 KV ARASUR 230 KV230/110 KV Autotransformer - IV, HV-VI, LV-
For Monthly maintenance work and Annual relay
testing works by P & C wing /Thudialur(110 KV
Kaniyur SS under total Shut down)
During the LC Period other 3 Nos of Auto transformer will be in service.During the LC
Period 110 KV Kaniyur SS total Shutdownpossible Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
1394 Madurai 230 KV ALUNDUR 230 KV100 MVA Auto Transformer - II ,HV-II,LV-II
Breaker's, CT's and Isolators.a) Monthly maintenance work. b)Relay Testingwork.
During the LC period, a)An Other 100 MVA Auto Transformer -I will be in service. b) All
other 110 KV feeders will be in service. c) There will be no interruption of supply to any
other feeders.
POSSIBLE Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1 0 Approved
1395 Erode 230 KV SALEM AUTO 230 KV230KV Link Feeders II feeder Breakers, CTs
and Line isolators.Monthly Maintenance work.
230KV Link-II feeder will be radially fed from other ends. 3Nos 230KV feeder will be in
service and there will be no interruption to any SS or feeder.possible Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1
subject to the
other link feeder
loading condition
Approved
1396 Madurai 230 KV kayathar230kv230Kv Kayathar-2 feeder Main Breaker (205-
52),CT and CVTMonthly Maintenance work
During the LC period there will be no supply in 230Kv Kayathar-2 feeder Main Breaker
(205-52),CT and CVT. hence no substation affectedPOSSIBLE Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1
sub to
normalizaiton of
KYR #1
Approved
1397 Chennai 230 KVGUMMIDIPOONDI 230
KV230kv Kamatchi feeder
Monthly maintenance work, CT clamp, and bolt nuts
replacement work
Concurance to be obtained from M/s. Kamatchi during the period of Shut down the 230KV
Kamatchi private generation may be floating there is no intrupption gridPossible Fri, 28-Apr-2017 10:00 Fri, 28-Apr-2017 17:00 1
Subject to
concurrence from
M/s. Kamatchi
Approved
1398 Erode 230 KV PONNAPURAM 230 KVAUTO TR-III, HV-III, LV-III Breaker and Its
CTsFor Monthly Maintenance works.
1. 110KV PETHAPPAMPATTY # WILL BE KEPT RADIAL FROM 230KV UDT SS UP TO
THIS END2. 110KV THUNGAVY # WILL BE KEPT RADIAL FROM 230KV UDT SS UP
TO THIS END 3. HENCE, IT IS EXPECTED THAT THE LOADS WILL BE WITH IN THE
LIMITS OF OTHER TWO AUTO TR's 4. HENCE NO SS WILL BE AFFECTED.
possible Fri, 28-Apr-2017 10:00 Fri, 28-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
1399 Erode 110 KVPUDHANCHANTHAI 230
KV
110KV Kalappanaickenpatty feeder CB, CTs
and Line Switch.110KV East Bus, its Pts and
Bus side Switches-5 Nos.
For regular maintenance works. Originally scheduled
on 21.04.2017 is now revised due to change of Total
Shut down by KN Patty SS-approved.
During LC period110KV KN Patty SS availing Total Shut down.110KV Rasipuram SS will
be transferred to 110KV Salem-Mallur feeder.110KV Namagiripet SS will be transferred to
110KV DVk-Thammampatty feeder.Other 110KV Feeders will be catered by Auto-I in
servive.No supply interruption.
1. possible 2.
postponedFri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1
1. subject to kn
patty ss tsd;
2.load transfers
not feasible
Subject to
EE/SLDC/Erode
approval
1400 Madurai 110 KV THANJAVUR 230 KV110 KV Thanjavur - Punalkulam feeder
Breaker, CT & Line Isolator.
For monthly maintenance works by the
AEE/Mtce/Thanjavur.
During the LC period,1) 110 KV Punalkulam - Trichy feeder will be radial from Trichy 230
KV SS upto Punalkulam 110 KV SS,2) the other end also (i.e. Punalkulam 110 KV SS)
will avail LC on the same day,3) Punalkulam 110 KV Grid SS will avail shutdown on the
same day,4) no supply interruption to any SS.
POSSIBLE Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1 0 Approved
1401 Madurai 110 KV THIRUVARUR 230 KV
110KV T(K)GTPS - THIRUVARUR FEEDER
(VIA: 110KV ULLIKKOTTAI SS, 110KV
OKKANADU KEELAIYUR SS & 110KV
MANNARGUDI SS), LINE PORTION
BETWEEN 110KV ULLIKKOTTAI SS TO
110KV OKKANADU KEELAIYUR SS .
FOR PREMONSOON INSPECTION WORK BY
JE/LINES/ PATTUKKOTTAI.
1) DURING THE LC PERIOD, 110KV MANNARGUDI SS AND 110KV OKKANADU
KEELAIYUR SS RADIALLY FED FROM 230KV THIRUVARUR SS.2) 110KV
ULLIKKOTTAI SS RADIALLY FED FROM T(K)GTPS . 3) NO INTERRUPTION TO ANY
SUBSTATIONS.
POSSIBLE Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1 0 Approved
1402 Erode 110 KV PALLADAM 230 KV
110 KV Palladam feeder breaker,CT's and
Line side isolator with Line up to 110 KV
Palladam SS
1) To carryout Monthly maintenance on equipment's
by AEE/Maintenance/Palladam2) To carryout
Premonsoon inspection on Lines by
AEE/Lines/palladam
During LC period 1) 110 KV Palladam SS availing Total shut down2) No other sub station
will be affectedpossible Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1
subject to
palladam ss
availing tsd
Approved
1403 Erode 110 KV PALLADAM 230 KV
110 KV Palladam - Elavanthy feeder
breaker,TCT's and Line side isolator with line
up to 110 KV Pongalur SS
1) To carryout Monthly maintenance work on
equipments by AEE/maintenance/Palladam2) To
carryout Premonsoon Inspection on Line by
AEE/Lines/Palladam
During LC period 1) 110 KV Elavanthy SS and 110 KV Pongalur SS availing Total shut
down2) No other SS will be affectedpossible Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 15:00 1
subject to
pongalur and
elavanthy ss
availing tsd
Approved
1404 Erode 230 KV PALLADAM 230 KV
230 KV Palladam - Sadayapalayam feeder
breaker,CT's and line side isolator with entire
line
1) To carryout Monthly maintenance works on
equipment's by AEE/Maintenance/Palladam2) To
carryout premonsoon inspection on Line by
AEE/Lines/palladam
During LC period 1) other 2 Nos 230 KV feeders will be in service2) 110 KV Pongalur SS
and 110 KV Elavanthy SS availing Total shut downpossible Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 17:00 1
subject to the tsd
relief at palladam
ss after the issue
of 230 kv okm to
cbe feede
Approved
1405 Chennai 110 KV CUDDALORE 230 KV For monthly maintenance worksDuring the period of LC110 KV Capacitor Bank II will be in serviceHence NO Interruption
of SupplyConcurrence obtained from SE/O/Villupuram0 Fri, 28-Apr-2017 09:00 Fri, 28-Apr-2017 17:00 1
Concurrence from
SE/O
Concurrence from
SE/O
1406 Chennai 230 KV THIRUVALAM 230 KV 230KV Thiruvalam - Chittoor feeder entire. For EHT Line Maintenance Worksfeeders 230KV Link II, Mosur, Link I feeders are in service.Hence there will be no
interruption of supply please.
Possible OCC
Appd. 129/180Fri, 28-Apr-2017 09:00 Fri, 28-Apr-2017 14:00 1 0 Approved
1407 Chennai 230 KV THIRUVALAM 230 KVi)On 230KV Chittoor interstate feeder
i)For Monthly Maintenance Works
230KV Link-I # and 230KV Mosur feeders will be in service and cater the SS Loads.
Hence there will be no interruption of supply please.
Possible OCC
Appd. 129/180Fri, 28-Apr-2017 09:00 Fri, 28-Apr-2017 15:00 1 0 Approved
1408 Erode 110 KV ALIYAR 230 KV
110KV ALR-UDT-II FEEDER CB,CTs AND
LINE SECTION BETWEEN ALR SS&DEV-
PUDUR SS
PMI work by JE/Lines/Pollachi and Half-yearly MTtce
workDuring the LC period UDT-1 feeder will caters the load possible Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 14:00 1
subject to
devanurputhur ss
being fed from
udpt ss
Approved
1409 Madurai 230 KVANUPPANKULAM 230
KV230KV Northern Bus entire.
For providing of dropper jumper in 230KV
Anuppankulam - Madurai feeder Bus Bar to 230KV
strung Bus, line switch to terminal tower and HV-I
isolator.( Augmentation of 100MVA to 160MVA Auto
Transformer work)
During the LC period,Auto transformer - I, HV-I, LV-I in tripped condition.230KV
Anuppankulam-Kayathar feeder and 230KV Anuppankulam-Madurai feeder will be under
total shutdown.Auto Transformer-II & III will be fed from 230KV Anuppankulam-Sterlite
feeder only.
POSISBLE Fri, 28-Apr-2017 9:00 Fri, 28-Apr-2017 12:00 1 0 Approved
1410 Chennai 110 KV Villapuram 110 KV 110 KV VPM- Kandamangalam Breaker & CT maintenance works
110KV Valavanur SS availing Total shutdown and 110KV supply to the
110KVKandamangalam SS will be fed from Villupuram 230KV SS. by closing the Possible Fri, 28-Apr-2017 09:00 Fri, 28-Apr-2017 17:00 1 0 Approved
1411 Chennai 230 KV SPKoil lines Auto Transformer 3 Monthly Maintenance Work Possible Sat, 29-Apr-2017 10:00 Sat, 29-Apr-2017 17:00 1 approved Approved
1412 Chennai 230 KV SPKoil lines 230 KV Kalpakkam-Echur feeder Insulator Replacement work Possible Sat, 29-Apr-2017 10:00 Sat, 29-Apr-2017 17:00 1 approved Approved
1413 Madurai 110 KVTUTICORIN -SIPCOT
230 KV
On 110 KV Sipcot- Eppodumvendran Feeder
breaker with CT's only.For monthly maintenance works.
 During the L.C period No SS will be affected, 110KV loads will be radially fed from
other end. Â Â Â Â Â POSISBLE Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1
Due to Kayathar
Auto LC and
KDKRI Bus LC
Approved
1414 Madurai 110 KV ABAN110KV Papanasam-Servalar#2 Breaker with
CTFor carry out Monthly Maintenance work
Present PWd Demand is 200C/S.During the LC period, the servalar Machine is under
stand by condition. Hence no ss will be affected please.POSSIBLE Sat, 29-Apr-2017 10:00 Sat, 29-Apr-2017 12:00 1
After s/d of SVLR
m/cApproved
1415 Madurai 230 KV KODIKURICHY 230 KV On 230KV Bus Section II Monthly maintenance work
1auto II&III Will be Out of Service Auto I Will Cater the Present SS Load, 389 mA, 389
mB will be kept at open condition.2230kvAmuthapuram I & II # Will be radial fed from
Other End.otherwise the Auto II load TRANSFERRED to the tie breaker.
POSSIBLE Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1 sub to wind gen.Approved Subject to
load condition
1416 Erode 110 KV ANTHIYUR 230 KV 110KV Anthiyur feeder breaker and CT only.For monthly maintenance of Breaker,CT and Line
switch.
During the LC period 110KV Anthiyur feeder will be fed through 110KV Thalavaipettai
feeder.Hence no SS will be affected.possible Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 15:00 1
subject to transfer
to thalavaipettai
feeder
Approved
1417 Madurai 110 KV PERIYAR 110 KV PERIYAR - THENI -III FEEDERFeeder Breaker with CT and Line side AB Switch
Annual Maintenance work.
During the LC period feeder Radial from Theni SS up to Markayankottai SS. 110 KV AB
Switch towards Periyar kept open at Markayankottai SS. NO SS will be effected.POSSIBLE Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 13:00 1 Sub to wind gen Approved
1418 Madurai 110 KV KODIKURICHY 230 KVOn 110KV Papanasam-Servalar II feeder
entire line.
For tree cleareance work and jumper bolt
rectification work at location No. 9 R phase
During the LC period,I) Servalar powerhouse generation will be shutdown condition. ii)
EE/O Papanasam has also applied for monthly maintenance work.POSSIBLE Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1
After s/d of SVLR
m/cApproved
1419 Erode 400 KV Salem 400 KVBREAKER, & Its SWITCHES
Monthly Maintenance WorkHV Breaker III will be in service condition, Hence there will be no interruption of supply to
400 / 110 KV Auto transformers III.possible Sat, 29-Apr-2017 8:00 Sat, 29-Apr-2017 14:00 1 occ approved Approved
1420 Madurai 110 KV VALUTHUR 230 KV 110KV Valuthur Penna feeder entire. Tree cutting workDuring the LC period 110KV Penna - Kavanoor feeder will be in service . Hence, there is
'no' interruption in power evacuation.POSSIBLE Sat, 29-Apr-2017 10:00 Sat, 29-Apr-2017 17:00 1 0 Approved
1421 Madurai 110 KVNALLAPPANAYAKANPA
TTY 230 KV
110KV NALLAMANAICKENPATTI FEEDER
BREAKER WITH C.T AND LINE ISOLATOR.FOR MONTHLY MAINTENANCE WORK.
DURING THE L.C PERIOD 110KV NALLAMANAICKENPATTI SS WILL BE AVAILING
TOTAL SHUT-DOWN ON THAT DAY.NO SS WILL BE AFFECTED.POSSIBLE Sat, 29-Apr-2017 10:00 Sat, 29-Apr-2017 14:00 1 0 Approved
1422 Madurai 110 KV KADALANGUDI 230 KV 110KV Kadalangudy- KGTPS feeder entire Line inspection and rectification work.No interruption to any SS. All other feeders at KGTPS plant and Kadalangudy SS will be
in tied condition.POSSIBLE Sat, 29-Apr-2017 10:00 Sat, 29-Apr-2017 16:00 1 0 Approved
1423 Madurai 110 KV KADALANGUDI 230 KV 110KV KGTPS- Kumbakonam feeder entire For Line inspection and rectification workNo interruption to any SS. 110KV Sakkotai and Urban SS proposed to shutdown. All other
feeders will be in tied condition at KGTPS plant.POSSIBLE Sat, 29-Apr-2017 10:00 Sat, 29-Apr-2017 16:00 1 0 Approved
1424 Madurai 110 KV KARAIKUDI 230 KVOn 1)110KV KKDI # Bkr & Ct's 2) 110KV
KKDI # Entire.1)For Monthly Mtc work.2)For Tree Cutting work.
During the L.C Period the 110KV KKDI SS under TSD. Hence there will be No interruption
of Supply.POSSIBLE Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1 0 Approved
1425 Erode 230 KVPALLAKAPALAYAM 230
KV110KV Barrage IV Feeder CT,Breaker Monthly maintenance work Urachikotai 110KV SS Total shutdown on that day and Radially fed from another end possible Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1
subject to the
feeder being kept
radial from bph 4
end
Approved
1426 Madurai 230 KV then I 230 KV110KV TNI-PYR III # ( SEC BETWEEN
M.G.KOTTAI AND PYR PH)
LINE MONTHLY MTCE AND PREMONSOON
INSPECTION WORKS
NO INTERRUPTION TO ANY SS .LINE UPTO MGKOTTAI SS WILL BE RADIAL FROM
THENI SSPOSSIBLE Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1 Sub to wind gen Approved
1427 Madurai 110 KV KUTTALAM
110 KV KGTPS-KADALANGUDI FEEDER
BREAKER WITH ENTIRE LINE AT BOTH
END.
110 KV KGTPS-KADALANGUDI FEEDER ANNUAL
RELAY TESTING WORKS BY
AEE/P&C/THIRUVARUR AT BOTH END.BREAKER
TESTING WORKS AND OTHER MAINTENANCE
WORKS IN ISOALTORS AT KGTPS END.
During the LC period there is no interruption of supply to any ss since110KV Sakkottai SS
and 110KV Urban SS Kumbakonam are availing total shutdown.POSSIBLE Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1 0 Approved
1428 Madurai 110 KV KUTTALAM
110 KV KGTPS-KUMBAKONAM RADIAL
FEEDER BREAKER WITH ENTIRE LINE AT
BOTH END.
BREAKER TESTING WORKS AND OTHER
MAINTENANCE WORKS IN ISOALTORS AT
KGTPS END.
During the LC period there is no interruption of supply to any ss since110KV Sakkottai SS
and 110KV Urban SS Kumbakonam are availing total shutdown.110 KV KGTPS-
Kadalangudi feeder is availing LC at both ends on the same day.
POSSIBLE Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1 0 Approved
1429 Madurai 230 KVRENGANATHAPURAM
230 KV230KV TBC breaker Monthly Maintenance works Already TBC Breaker is in standby condition POSSIBLE Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 14:00 1 0 Approved
1430 Madurai 110 KV KAVANOOR 230 KV
A) 110 KV KAVANOOR-PARAMAKUDI # BR.
& C.T. B) 110 KV KAVANOOR-
PARAMAKUDI # SEC. BET. KAVANOOR
AND PARAMAKUDI
MONTHLY MAINTENANCE WORKS AND LINE
MAINTENANCE WORKS
ILYNGDI AND MRVMNGLM LOADS TO BE TRD. TO 110 KVNR-MMDU # AND KEPT IN
TIED CONDN. PARAMAKUDI SS UNDER TOTAL SHUTDOWN; L.R. -13.5 MW;
ACE/OPN/MDU APPROVAL
POSSIBLE Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1 0 Approved
1431 Madurai 230 KV UDAYATHUR 230 KV 230KV POWER TR4,HV&LV BREAKER. MONTHLY MAINTENANCE WORKDURING THE LC PERIOD THE POWER TR4 LOADS WILL BE FED FROM OTHER
POWER TRSPOSSIBLE Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 14:00 1 Sub to wind gen Approved
1432 Erode 230 KVOTHAKKAL MANDABAM
230 KV
230/110 KV Auto Transformer-I (HV & LV
Breakers, CTs & LAS)
for annual relay testing work by GRT wing and
monthly maintenance works.
During the LC period, (1) 110KV OKM-TDLR I or II feeder loads will be transferred to 230
KV TDLR SS.(2) The remaining two Auto Transformers are in service to cater the SS
loads.Hence, No SS will be affected.
possible Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1
subject to the
other auto trs
loading limit
Approved
1433 Erode 110 KVOTHAKKAL MANDABAM
230 KV
110 KV OKM-Sulur # section between 230KV
OKM SS and 110KV Edayarpalayam SS.for P.M.I works by lines/TDLR wing.
During the LC period,(1) 110KV Peedampally SS loads will be transferred to 230KV
Arasur SS.(2) Supply interruption to L&T EHT Service.(3) 110KV Edayarpalayam SS fed
from 110KV OKM-Negamam II feeder of 230KV OKM SS.Hence, No SS will be affected.
possible Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 14:00 1subject to the
transfer of loadsApproved
1434 Erode 230 KV Udumalpet 400 KV230 KV MYVADI - 230 KV BUS COUPLER
BREAKERMONTHLY MAINTENANCE WORK MYVADI END ONLY possible Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1
all the feeders are
connected with
both the bus
Approved
1435 Chennai 110 KV ARNI 230 KV110KV Arani - Sirungattur Feeder Breaker
and 110KV CT's with Isolators.
For monthly maintenance work,CT and Isolator Bolt
nut Replacement work.
During the Period of Shut down the 110KV Sirungattur SS (30 MW)and 110KV
Mambakkam SS (12 MW) are availing total shut down. Hence there will be no interruption
of Supply.
Possible Sat, 29-Apr-2017 09:00 Sat, 29-Apr-2017 14:00 1 0 Approved
1436 Madurai 110 KV KAYATHAR 230 KV
110KV KAYATHAR-K.G.PATTI FEEDER
SECTION B/W PERUMALPATTI &
KARIVLAMVANTHANALLUR
1)Line inspection and rectification work
DURING THE LC PERIOD,I.PERUMALPATTI ss WILL BE RADIALLY FED FROM
K.G.PATTI,II.KARIVALAMVANTHANALLUR SS WILL BE RADIALLY FED FROM
KAYATHAR HENCE NO SS AFFECTED
POSSIBLE Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1
sub to load
condition and wind
gen
Approved
1437 Chennai 230 KV ARNI 230 KV230/110KV Auto Transformer No II,HV II
Braeker,230KV CTs,110KV LV II Breaker
Monthly Maintenance work, HV II Breaker Monthly
Maintenance work, 230 KV CTs and 230KV Isolators
Bolt Nuts replacement work
During the period of LC 1)The 110KV Sirungattur SS (30 MW) availing Total SD2)The
110KV Mambakkam SS (12 MW) availing Total SD3)230/110KV Auto-Transformer-II off
condition4)230/110KV Auto-Tansformer-I & III will be in service and Catering the station
loads.Hence there will be no interruption of supply
Possible Sat, 29-Apr-2017 09:00 Sat, 29-Apr-2017 14:00 1 0 Approved
1438 Erode 110 KV UDUMALPET 230 KV 110KV CAPACITOR BANK II ENTIRE FOR MONTHLY MAINTENANCE WORKS NO FEEDERS WILL BE AFFECTED DURING THE LC PERIOD approved Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1
subject to the
voltage profile in
the grid
Approved
1439 Chennai 110 KVSunguvarchatram 400
KV110KV SVC - Palayaseevaram # entire for monthly maintenance work During the LC period the 110KV SVC - Palayaseevaram # will be out of service To be discuss Sat, 29-Apr-2017 09:00 Sat, 29-Apr-2017 17:00 1 0 Approved
1440 Madurai 110 KV SAMAYAPURAM 230 KV 110KV SOUTHERN BUS ONLYMonthly Maintenance Work & to check the tightness
of bolts and nuts.
1. During the LC period , 110 KV SMPM- Srirangam # tie opened at 230 KV SMPM SS
and radially fed from230KV Trichy Auto SS. 2. 110 KV SMPM-Trichy Grid # tie opened
and radial from 110KV Trichy Grid SS. 3. 110 KV SMPM-KKDY # 2 tie opened at 230 KV
SMPM SS and radial from110KV KKDY SS 4. 110 KV Musiri # will be back fed thro'110
KV KKDY -Perambalur II # fed from KKDY 110KV SS by closing ABS.2, 3 & Musiri
Breaker at 110 KV T.Pet SS. 5. 110 KV Musiri # Breaker at 230 KV SMPM SS will be in
H/T condition and bus & Line Isolator kept opened & Locked. 6. 110 KV Bus isolator No.
29 BS at 230 KV SMPM SS will be kept opened. 7. Auto Tr. I HV/LV Breaker in H/T
condition & Isolators in open condition. 8.Auto Tr. II 100 MVA, 110 KV Siruganur #, 110
KV KKDY # 1 in 110 KV Northern Bus will be in service. 9. No interruption to any 110 KV
SS. Necessary concurence obtained from EHT consumer in 110 KV Musiri # (Arise)
POSSIBLE Sat, 29-Apr-2017 10:00 Sat, 29-Apr-2017 17:00 1sub to load
conditionApproved
1441 Madurai 230 KV SANKANERI 230 KV230/33KV PowerTransformer-III,HV&LV
Breaker,CTs only.
For monthly maintenance & GRT Annual Relay
Testing purpose.
During the LC Period PowerTransformer-III willnot beinservice.PowerTransfomer-I&II
willbe Carried out the EntireLoad.POSSIBLE Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 14:00 1
sub to wind gen
and no blocking of
wind gen
Approved
1442 Erode 110 KV SALEM AUTO 230 KV110 KV K.R.Thoppur Feeder - I Breaker CT's
and line Isolators.Monthly Maintenance work.
110 KV K.R.Thoppur feeder - I will be radially fed from other end. 110KV Karappur SS will
be availing total shutdown. There will be no interruption to any SS or feeder.postponed Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1
karuppur ss tsd
scheduled for
27.04.2017
Subject to
EE/SLDC/Erode
approval
1443 Madurai 230 KV kayathar230kv 230KV Bus Coupler only Monthly Maintenance workDuring the LC period there will be no supply in 230KV Bus Coupler only. hence no
substation affected.POSSIBLE Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1 0 Approved
1444 Erode 110 KVKARIAMANGALAM 230
KV
1.110 KV Dharmapuri feeder breaker, CTs
and Line Switch
Carryout Monthly SS Maintenance works by
maintenance
110 KV Dharmapuri SS Availing total Shutdown Expected Load Relief : 24 MW hence
there is no interruption of power supply and 110 KV Adhiyamankottai SS Feed through
110 KV Ramiyanahalli feeder from 230 KV Karimangalam SS.
possible Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 14:00 1subject to
dharmapuri ss tsdApproved
1445 Erode 230 KV PONNAPURAM 230 KV 230 KV Northern Bus EntireFor tightness checking of all clamps and Alignment
of M-I Isolater Switches.
1. IT IS EXPECTED THAT THE WIND GENERATION WILL BE IN MODERATE LEVEL2.
HENCE, 230KV MYVADI- I & II # will cut off,3. 110KV PETHAPPAMPATTY # WILL BE
KEPT RADIAL FROM 230KV UDT SS UP TO THIS END4. 110KV THUNGAVY # WILL
BE KEPT RADIAL FROM 230KV UDT SS UP TO THIS END 5. Auto Tr I&III Will be cut
off, as the Loads will be with in the limit of other Auto Tr.6. Hence no SS will be affected.
postponed Sat, 29-Apr-2017 10:00 Sat, 29-Apr-2017 17:00 1
the lc will be
issued on priority
if the condition
permits on that
day or on any day
when the wind
generation is
adequate
Subject to
EE/SLDC/Erode
approval
1446 Erode 230 KVVINNAMANGALAM 230
KV
29.04.2017 ---Auto Transformers No. I &
110KV Ambur # & 110KV VNM SS (GC )
For replacing the defective surge monitors in 230
/110 KV LAS and for carrying out routine monthly
maintenance works.
1,Total shutdown has been approved by CE/D/Vellore vide Memo.
No.:CE/D/VLR/EE/AEE/Gl/ F. Shut down/ D. 142 /2017, Dt:21.03.2017 and
SE/D/Tirupatture vide Memo.No:SE/TEDC/TPR/ Gen / AE / F.Shutdown/D.3287/17,
dt:21.03.2017.2,3,During the totalshutdown on 29.04.2017 ,there will be no supply to
following 110/11 KV sub station,1) Anaicut SS,2) Pakkam SS, 3)Vinnamangalam (GC)
SS ,4)Ambur SS, 5)Somalapuram SS,6) Vadakathipatty SS and the Valathur Railway
Traction loads will be tranfered 230 KV Thiruvalam SS.
Possible Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 14:00 1 0 Approved
1447 Madurai 230 KV THANJAVUR 230 KV230 KV Thanjavur - PPN feeder, Breaker, CT,
CVT.
1) For monthly maintenance works by the
AEE/Mtce/Thanjavur,2) For carrying out premonsoon
inspection works by the AEE/Lines/Thanjavur.
During the LC period,1) all other 230 KV feeders will be in tied condition,2) no supply
interruption to any SS.POSSIBLE Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1 0 Approved
1448 Erode 230 KV PALLADAM 230 KV230 KV TBC breaker and 230 KV Transfer
Bus entire
To carryout Monthly maintenance on equipment by
AEE/maintenance/palladam
During LC period 1) All 230 KV feeders and Auto transformers will be in service2) No
other Sub Station will be affectedpossible Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1 idle breaker Approved
1449 Erode 230 KV KUNDAH PH2230KV AUTO TRANSFORMER 1,2,3 AND
ITS ACCESSIORIESFOR MONTHLY MAINTENANCE WORK SF6 BREAKER OFF IN CONDITION TOP AND BOTTOM BUS OPEN IN CONDITION 0 Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1 SLDC /Erode Approved
1450 Chennai 110 KV THIRUVALAM 230 KV For EHT Line Maintenance Works. Anicut SS to 110 KV V.Patty SS.ii. The 110KV Anicut SS, 110KV V.Patty are availing
Total Shutdown Hence there will be no interruption of supply please.
Possible Sat, 29-Apr-2017 09:00 Sat, 29-Apr-2017 14:00 1 0 Approved
1451 Madurai 110 KVANUPPANKULAM 230
KV
(a) 110 KV K.G. Patti - Kayathar feeder
section between 110 KV Perumal patti SS
and 110 KV Mudangiar SS. (b) 110 KV
Suruliyar - Kayathar feeder section between
110 KV Sangarankoil SS and Suruliyar PH
(a) For replacement of flash over disc at Loc. No. 6,
7 & 21. (b) Tree cutting works.
(a) During the LC Period 110 KV Perumal Patti SS will be radially fed from 110 KV
Kayathar SS and 110 KV Mudangiar SS & Seithur SS will be under Total shut down (b)
During the LC period 110 KV Sangarankoil SS will be radially fed from 110 KV Kayathar
SS. Hence no ss will be affected.
POSSIBLE Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1 0 Approved
1452 Chennai 230 KV VILLUPURAM 230 KV 230KV Acharapakkam # For monthly maintenance works Other 230KV feeders will be in service (For tightening of jumpers between Loc 210-189. Possible Sat, 29-Apr-2017 09:00 Sat, 29-Apr-2017 17:00 1 already Approved
1453 Chennai 110 KV SIRUSERI 230 KV 110 KV Western Bus & 110KV Siruseri II # Maintenance work
DURING THE PERIOD OF SHUTDOWN 1)110KV WESTERN BUS,100MVA AUTO
TRANSFORMER-II ,110KV Siruseri-II#,110KV Sholinganallur#,110KV Mambakkam# will
not be inservice. 2)The 2) Idley charged 110KV Siruseri-II#,110KV Mambakkam# will not
be inservice.3)110KV Sholinganallur # load will be transferred to 230KV KITS PARK SS.
To be discuss Sat, 29-Apr-2017 10:00 Sat, 29-Apr-2017 17:00 1Subject to CBD
concurrence
Combined with GCC
work
1454 Chennai 110 KV Kadaperi 230kv 110 kv korattur-II Feeder FOR QUARTERLY MAINTENANCE WORK 1.110 kv Korattur-II # Will be radial from korattur ss end Possible Sat, 29-Apr-2017 09:00 Sat, 29-Apr-2017 12:00 1Subject to CBD
concurrenceApproved
1455 Erode 230 KV KUNDAH PH3 230KV KPH3 to Karamadai Feeder
230KV KPH3 to Karamadai Feeder Tower No:73 to
82. Pre monsoon inspection work and maintenance
work.
Bus and line both end open condition earth switch closed condition. possible Sat, 29-Apr-2017 9:00 Sat, 29-Apr-2017 17:00 1subject to the load
condition existingApproved
1456 Chennai 230 KV KITS 230 KV 100MVA Auto transformer III For monthly maintenance works
During the above shutdown period 100MVA Auto transformer I and 80MVA auto
transformer -II will be in service feeding the entire SS loads except 110KV Veerapuram #
which will be in back charged condition from 230KV Veerapuram SS
Possible Sat, 29-Apr-2017 10:00 Sat, 29-Apr-2017 17:00 1Subject to CBD
concurrenceApproved
1457 Madurai 110 KV KODAIYAR PH2 110KV bus LC LBB commissioning work P.H-I & II machine will be shut down.No SS will be affected. POSISBLE Sun, 30-Apr-2017 9:00 Sun, 30-Apr-2017 17:00 1Programmed on
sundayApproved
1458 Chennai 230 KV KORATTUR 230 KV 100MVA Auto Transformer - I general Maintenance work 100MVA Auto Transformer - II & III
Possible with
CBD
concurrence
Sun, 30-Apr-2017 09:00 Sun, 30-Apr-2017 17:00 1Subject to load
conditionApproved
1459 Chennai 230 KV KORATTUR 230 KV 230 KV Athipet- Mosur feeder Jumper Tightness at Various location All other feeder will be in services Possible Sun, 30-Apr-2017 08:00 Sun, 30-Apr-2017 17:00 1 0 Approved
1460 Chennai 110 KVSunguvarchatram 400
KV110KV SVC - Vallam vadakal # entire for monthly maintenance work During the LC period the 110KV SVC - Vallam vadakal # will be out of service To be discuss Sun, 30-Apr-2017 09:00 Sun, 30-Apr-2017 17:00 1 0 To be discuss
1461 Chennai 230 KV KILPAUK 230 KV 100MVA Auto Transformer I Routine Maintenance work
During the period of shutdown1) 100 MVA Auto Transformer II will be inservice2) 100KV
AnnaNagar feeder loads to be transferred to 230KV Korattur SS feeding3) 110KV Cooks
Road feeder tie to be opened at kilpauk SS end & 110KV Cooks Road SS will be radially
fed by BBGTPS
Possible with
CBD
concurrence
Sun, 30-Apr-2017 09:00 Sun, 30-Apr-2017 16:00 1 0 Approved
1462 Madurai 110 KV KAYATHAR 230 KV110 KV Kayathar - Kodikurichy # breaker with
CT onlyFor Monthly maintenance work During the LC period other end also avails LC. Hence, No ss affected. POSSIBLE Sun, 30-Apr-2017 9:00 Sun, 30-Apr-2017 17:00 1 sub to wind gen
Approved subject to
wind Generation
1463 ErodeGENERATI
NG
STATIONS
KUNDAH PH2
UNIT-V GENERATTOR SF6 BREAKER,
POWER TRANSFORMER AND ITS
ACCESSIORIES
FOR MONTHLY MAINTENANCE WORK SF6 BREAKER OFF IN CONDITION TOP AND BOTTOM BUS OPEN IN CONDITION 0 Sun, 30-Apr-2017 9:00 Sun, 30-Apr-2017 17:00 1 SLDC/Erode Approved
1464 Erode 110 KV KUNDAH PH3 110KV PH2 to Thudiyalur Feeder
110KV PH2 to Thudiyalur Feeder Tower No:34 to 51.
Pre monsoon inspection work and maintenance
work.
Bus and line both end open condition earth switch closed condition. possible Sun, 30-Apr-2017 9:00 Sun, 30-Apr-2017 17:00 1subject to the load
condition existingApproved
1465 Chennai 230 KV THARAMANI 230 KV 100 MVA Auto Tr. 1,2 & 3 ( one by one) Qtrly. Mtce. work1) Auto Tr.-1 LC - Auto 2&3 will be in service 2) Auto Tr.-2 LC - Auto 1&3 will be in
service 3) Auto Tr.-3 LC - Auto 1&2 will be in service
Possible with
CBD
concurrence
Sun, 30-Apr-2017 09:00 Sun, 30-Apr-2017 17:00 1Subject to load
conditionApproved