92nd OCC Minutes Final Website Version 19-12-13

7/27/2019 92nd OCC Minutes Final Website Version 19-12-13

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North Eastern Regional Power Committee

MINUTES OF THE 91st

OPERATION COORDINATION SUB-COMMITTEE MEETING

OF NERPC

Date : 06/12/2013 (Friday)

Time :10:00 hrs

Venue :!otel Pragati "anor#$ %&wahati'

he ist o* Parti+i,ants in the -2nd.CC "eeting is atta+hed at Anneu!e " I

hri '' Ray "oha,atra$ "emer e+retary (/C)$ NERPC wel+omed all the delegates o*

+onstit&ents to the -2nd .CC meeting' !e mentioned that +ontri&tion to the *or&m y the

,arti+i,ants o* the +onstit&ents ,lays an im,ortant role in deelo,ment o* the region' !e highlighted

ao&t some o* the im,ortant iss&es to e dis+&ssed in the meeting i4' P$ slanding s+heme and

5FR ased load shedding$ standard ,ro+ed&re to e *ollowed e*ore de+laration o* Co *or

transmission system' F&rther$ he mentioned that it has een ro&ght to noti+e that awang$ eing a

ery im,ortant ,la+e as *ar as +o&ntry7s de*ense estalishment is +on+erned$ is not +onne+ted with

the NER grid' 8t ,resent the small /mini/mi+ro hydro generating stations in and aro&nd awang is

*eeding the area at 339 leel' Entire stret+h *rom ;omdila < irang = ela Pass=awang = ;om&la

(China order) is o++&,ied ,redominately y National army# Considering the im,ortan+e o* awang

as it is sit&ated +lose to nternational order$ 132 9 /C lin9 *rom e>isting h&,i / imi &=

station to awang ia ;omdila / irang may e desirale so that reliale ,ower s&,,ly +an e

e>tended to these areas and eyond' !e also mentioned that the de+isions o* 1? thCC meeting o*

NERPC held in 8gartala on e,temer ?$ 2013 was +ir+&lated to all the +onstit&ents and all hae

+oneyed their a,,roal e>+e,t 8ssam' !e re@&ested 8ssam to ta9e &, the matter with their

+on+erned 8&thority to get it a,,roed at the earliest *or the ene*it o* the region'

herea*ter$ "emer e+retary /C re@&ested hri ;' yng9hoi$ E(.)$ NERPC to ta9e &, the agenda

items *or dis+&ssion'

A# C O N F I R M A T I O N O F M I N U T E S


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Minutes of 91stOCC meeting held on 15thNovember, 2013 at Itanagar

CONFIRMATION OF MINUTES OF 91st MEETING OF OPERATION SUB-COMMITTEE

OF NERPC#

'E (.) in*ormed that the min&tes o* -1stmeeting o* .,eration Co=ordination &=+ommittee held

on 1Ath Noemer$ 2013 at tanagar were +ir+&lated ide letter No' NERPC/E

(.)/.CC/2013/61??=61BB dated 2BthNoemer$ 2013'

The Sub-committee confirmed the minutes of 91 st OCCM of NERPC as no observations or

comments were received from the constituents.

E (.)$ NERPC then re@&ested NERC to gie the ,resentation on the grid ,er*orman+e o* NER

d&ring the month o* Noemer$ 2013'

he ,resentation as gien y NERC is gien as elow:

I T E M S F O R D I S C U S S I O N

B#1# OPERATIONA$ PERFORMANCE AND GRID DISCIP$INE DURING NOV% 1&

8s ,er the data made aailale y NERC$ the grid ,er*orman+e ,arameters *or Noemer$ 2013

are gien elow:

NER PERFORMANCE DURING NOVEMBER' ()1&

Energy "et ("5) Energy Re@r' ("5)

States N*+-1& O,t-1& in,./02e,.-0 N*+-1& O,t-1&

in,./02e,.-0

8r' Pradesh ?1'3 3)#345 3'? ??'-3 3(#41 A'?

8ssam A63'3 435#419 =12'B A0'2- 464#( =1?'2

"ani,&r ?3'A? 3(#)99 3'? ?6'?6 35#37 2'2

"eghalaya 136'2 1&7#(77 =1'1 1A6'B 137#67 A'?

"i4oram 3B'BB &4#& ?'0 3-'2A &6#7 3'

Nagaland ?2'B 3(#)91 1'6 ??'?- 3K 1'A

ri,&ra --'A 1)5#&79 =A'A 10?'3A 1)7#97 =?'2

Region 944#15 1)5)#(51 ='0 1)14#43 11) =B'-

emand "et ("D) emand in ("D)

States N*+-1& O,t-1& in,./02e,.-0 N*+-1& O,t-1&

in,./02e,.-0

2


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8r' Pradesh 120 11& 6'2 120 115 ?'3

8ssam 11AA 1(() =A'3 116- 1(44 =B'B

"ani,&r 123 111 10' 12? 113 '

"eghalaya 2- (64 '0 300 (67 B'-

"i4oram 6A 4) '3 66 41 '2

Nagaland -6 99 =3'0 -6 99 =3'0

ri,&ra 20B (5) =1B'2 20 (53 =1'1

Region 1944 ()37 =?'0 ()34 (13) =?'?

REGIONA$ GENERATION 8 INTER-REGIONA$

ECHANGE IN MU AVERAGE FREUENC; .H


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+onstit&ents o* North Eastern Region and to ring to the noti+e o* the Commission any instan+es o*

s,e+i*i+ iolation o* the %rid +ode y any o* the +onstit&ents' n the ,etition NERC desired that

a) 8ll the 5s/Cs o* the North Eastern Region to ,ro,erly *ore+ast their demand and ma9e

ade@&ate arrangements to aoid de,enden+e on 5 *or meeting their demand or *or inJe+ting

short term s&r,l&s ,ower$ irres,e+tie o* the *re@&en+y'

) 8ll the 5s/Cs Regional Entities o* the North Eastern Region not to ary o*

drawal/generation more than 20 "D witho&t ,rior intimation to +onsent o* NERC'

E (.) re@&ested all the +onstit&ents *or +om,lian+e o* ario&s ,roisions o* the grid +ode *or sa*ety

o* the grid'

The Sub-committee noted as above.

FO$$O> UP ACTION

C#1 S?n,@!*nitension *or in*irm ,ower inJe+tion till

31'12'2013$ all e**orts to +om,lete the remaining test wo&ld e o* &tmost im,ortan+e to them' !e

re@&ested the *or&m to allow them to generate &,to the *&ll load *or B2 (seenty two) ho&rs *or PP8

test e*ore de+laring Co' !e also in*ormed that one %as +om,ressor is e>,e+ted to rea+h site *rom

;!E7s *a+tory at !yderaad y mid o* Kan&ary$ 201? and a++ordingly the trial o,eration o* the

5nit= is e>,e+ted in K&ne$ 201?'

%"$ NERC re@&ested .PC to intimate them one wee9 in adan+e so that ne+essary a+tion

+an e ta9en &, with the +onstit&ents *or ens&ring smooth o,eration o* the grid d&ring PP8 tests'

%e"iberation of the Committee

.PC in*ormed that .N%C has already +arried o&t ? thro&nd o* ,igging$ Per*orman+e !eater est is

&nder ,rogress and the same will e +om,leted soon' !e also intimated that +y+lone se,arator will

e installed y 1Ath e+emer$ 2013' For installation o* +y+lone se,arator$ sh&t down o* ma+hine *or

?=A days is normally re@&ired' !oweer$ he mentioned that witho&t waiting *or installation o*

+y+lone se,arator$ the 5nitL1 will e syn+hroni4ed on 10=12=2013 and PP8 test in+l&ding other trial

?


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r&n o,erations wo&ld e +arried o&t so that Co +an e a+hieed within 31st e+emer$ 2013' !e

re@&ested all the +onstit&ents to e>tend their s&,,ort d&ring PP8 test'

8ll the +onstit&ents agreed to e>tend their s&,,ort to .PC and this lean hydro season is ery m&+h

s&itale *or a+hieing the ma>im&m generation re@&ired *or trial o,eration / PP8 tests' he

+ommittee re@&ested .PC to +o=ordinate with NERC *or ens&ring smooth o,eration o* the grid

d&ring PP8 tests and to intimate NERC ao&t the s+hed&le o* tests / trial o,eration at least one

wee9 in adan+e'

he &=+ommittee also reiewed the stat&s o* Pallatana H ransmission lines' he stat&s as

in*ormed y .PC and P.DER%R is as *ollows:

SN Items P!esent status

1 rial o,eration o* 5nit = o* .PC at Palatana e+emer$ 20132 rial o,eration o* 5nit = o* .PC at Palatana K&ne$ 201?3 ?00 /C il+har = "elriat line K&ne$ 201?

? ?00 /C il+har = m,hal line K&ne$ 201?

A 220 /C "ariani (New) = "o9o9+h&ng "ar+h$ 201?

6 ?00 /C ;yrnihat=;ongaigaon line "ar+h$ 201?

(;yrnihat=8Jara se+tion

li9ely to e +om,leted y

Kan&ary 201?)

B ?009 ;ali,ara < ;ongaigaon /C line L 3 H ? with FC "ar+h$ 201?


C#( In2een2ent t@i!2 a!t? au2it * !*te,ti*n s?stem:

&ring -1st .CC meeting$ E (.) in*ormed that the estimated +ost ,roJe+ted in the PR *or

re+ti*i+ation / renoations o* s&stations / generating stations o* seen states o* the region is ao&t

Rs' 16 +rores'

n the meantime the dra*t ,roJe+t ,ro,osal ,re,ared y NERPC was sent to +onstit&ent states o* the

region *or s&ggestion/+omments / oserations and no res,onse was re+eied *rom any states e>+e,t

8ssam' 8*ter in+or,orating the s&ggestion *rom 8ssam$ the dra*t ,roJe+t ,ro,osal has already een

s&mitted to e+retary$ "inistry o* Power (%ot' o* ri,&ra) with re@&est to s&mit the ,ro,osal$ on

ehal* o* the region$ to "inistry o* Power (%ot' o* ndia) thro&gh Chairman NERPC H !on7le

"inster o* Power$ %ot' o* ri,&ra'

"emer e+retary /C re@&ested all +onstit&ent states o* the region to ta9e &, the iss&e with their

res,e+tie Power "inistry *or a,,roa+hing the "inistry o* Power$ %ot' o* ndia so that *&nding

A


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&nder NCPR=Central is a,,roed at the earliest and the s+hemes is im,lemented early *or smooth

o,eration o* the grid *or the ene*it o* the region as well as *or the +o&ntry' !e also highlighted that

the ,roJe+t *&nded &nder NCRP=Central will e e>e+&ted y Central 8gen+y as ,er the g&idelines'

CE$ 8r' Pradesh e>,ressed reseration on im,lementation o* the s+heme y Central 8gen+y' !e was

o* the o,inion that *&nds sho&ld e gien to the tates instead o* getting the wor9 done y Central

8gen+y as the state agen+ies are more *amiliar with gro&nd reality and +an e>e+&te the wor9 in a

etter manner' !e re@&ested all other +onstit&ent states to loo9 into the matter regarding the *&nding

,attern and e>e+&ting agen+y'

%"$ P.DER%R stated that +ertain wor9s need to e +arried o&t on &rgent asis y the NER

+onstit&ents een i* *&nding is not aailale *rom e>ternal reso&r+es in order to aoid &nwarranted

tri,,ing / system isolation and smooth o,eration o* the %rid' 8++ordingly$ he s&ggested that ased

on the ,rote+tion a&dit re,ort$ essential re+ti*i+ation wor9 sho&ld e ta9en &, at the earliest witho&t

waiting *or *&nding'


"emer e+retary /C re@&ested all +onstit&ent states o* the region to ta9e &, the iss&e with their

res,e+tie Power "inistry *or a,,roa+hing the "inistry o* Power$ %ot' o* ndia so that *&nd is

made aailale *rom NCPR=Central at the earliest and the s+hemes is im,lemented early *or

smooth o,eration o* the grid *or the ene*it o* the region as well as *or the +o&ntry'


C#& Detai=s * Insta==ati*ns an2 se=-,e!tii,ati*n .? STUs an2 CTUs0 in !ese,t *

*e!ati*na=isati*n * Un2e! F!euen,? Re=a?s .UFRs0 in NER s?stems an2 a22iti*na=!eui!ement * UFR an2 22t !e=a?s:

&ring 1?thCC meeting$ the @&ant&m o* 5FR ased load shedding has een a,,roed y the

Committee as de+ided in the thH 13thPCC meeting as gien elow:

SN StaesF!euen,?

.in H0

1 tage= ?-'28r&na+hal M A "D

8ssam M AA "D

"ani,&r M A "D

"eghalaya M 1A "D

"i4oram M A "D

100

6


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Nagaland M A "D

ri,&ra M 10 "D

2 tage= ?-'0

8r&na+hal M A "D

8ssam M AA "D

"ani,&r M A "D

"eghalaya M 1A "D

"i4oram M A "D

Nagaland M A "Dri,&ra M 10 "D

100

3 tage= ?'

8r&na+hal M A "D

8ssam M AA "D

"ani,&r M A "D

"eghalaya M 1A "D

"i4oram M A "D

Nagaland M A "D

ri,&ra M 10 "D

100

? tage= ?'6

8r&na+hal M A "D

8ssam M AA "D"ani,&r M A "D

"eghalaya M 1A "D

"i4oram M A "D

Nagaland M A "D

ri,&ra M 10 "D

100

T*ta= =*a2 s@e22in 3))

8ssam$ ri,&ra$ "i4oram H "eghalaya hae s&mitted the list o* *eeders and @&ant&m o* load

shedding at di**erent stages'

&ring -1st.CC meeting$ all other +onstit&ent states (8r' Pradesh$ "ani,&r and Nagaland) o* the

region agreed to s&mit the list o* *eeders at the earliest' "i4oram has s&mitted the ,ro,osed

*eeders *or 5FR ased load shedding *or 20"D' etails +o&ld not e dis+&ssed in the asen+e o*

the re,resentatie *rom "i4oram' F&rther$ the &=+ommittee s&ggested *or introd&+tion o* time

delay in o,eration o* 5FRs and re@&ested P.DER%R to loo9 into the matter so that the same

+an e *inali4ed in the ne>t .CC/PCC meeting' P.DER%R agreed'


he Committee reiewed the list o* *eeders identi*ied *or 5FR ased load shedding y the

+onstit&ent states o* the region' n the meeting the re,resentatie o* Nagaland also s&mitted the

list o* *eeders identi*ied *or 5FR ased load shedding' 8ssam was re@&ested to ens&re that *eeders /

loads +onsidered &nder *o&r staged (?-'2 !4$ ?-'0 !4$ ?'0!4$ ?'60!4) 5FR ased load

shedding sho&ld not *orm ,art o* ,ro,osed islanded ,o+9et' 8ssam$ "eghalaya H Nagaland

in*ormed that the im,lementation o* 5FR ased load shedding *or 1st H 2nd tage wo&ld e

B


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+om,leted y Kan&ary$ 201? and "i4oram y Fer&ary$ 201?' he stat&s ,ertaining to 8r' Pradesh$

"ani,&r H ri,&ra +o&ld not e &,dated sin+e no re,resentatie was ,resent' 8ll +onstit&ent states

o* the region$ e>+e,t 8r' Pradesh and "ani,&r$ hae identi*ied the *eeders *or 5FR ased load

shedding' he details o* 5FR ased load shedding is gien at Anneu!e " C#& .i0#


C#3 $ines un2e! =*n *utaes

&ring the -2nd .CC meeting$ the iss&e *or restoration o* these lines was reiewed y the

+ommittee and the stat&s was as *ollows:

a0 2209 ;P < 8gia line (one +9t) < in+e No7-BO: "aterial has already een ,ro+&red and the

target *or +om,letion o* wor9 is anua!?' ()13#

0 1329 "ariani < "o9o9+h&ng line = in+e 8,r702O

EE$ oP$ Nagaland in*ormed that 60 strings o* ins&lators hae een re,la+ed and rest o* the wor9

is li9ely to e +om,leted y De,eme!' ()1& an2 ,@a!in * =ine is ee,te2 in anua!? ()13#

,0 3-9m o* 1329 Reng,ang < Kiriam line < in+e .+t702O

he stat&s +o&ld not e &,dated sin+e re,resentatie *rom "ani,&r was ,resent'

20 . o* 132 9 ima,&r (Nagaland) < ohima (Nagaland) line at 220/132 9 ima,&r (P%C)

&station= in+e 8&g711O:

he re,resentatie o* Nagaland in*ormed that wor9 *or &,grading the e>isting 3>20 "8 y

2>100 "8 is in ,rogress' 8lso he in*ormed that some minor modi*i+ation in one o* the tower is

re@&ired *or +om,letion o* . and e,t' o* Power had already engaged a *irm *or designing the

same and the drawing was s&mitted to P.DER%R *or e>amination'

"eanwhile$ P.DER%R has in*ormed that the iss&e o* . o* 132 9 ima,&r (Nagaland) a+t stat&s will e

made aailale'

Case " 3: !as already een im,lemented y P.DER%R'

P.DER%R +on*irmed that the wor9 asso+iated with all *o&r (?) P hae already een

+om,leted at their end'

he &=+ommittee re@&ested .PC to go ahead with the im,lementation o* the s+heme as

s&ggested in +ons&ltation with ;!E witho&t *&rther delay and in +ase any ,rolem arises$ the

same will e reiewed again and modi*ied as ,er system re@&irement'


C#4 Im=ementati*n * is=an2in s,@eme in NER

&ring the Bth.CC meeting$ the +ommittee had de+ided the *ollowing islanding s+heme and

asso+iated *re@&en+ies leels *or +reation o* islands in NER:

SN Is=an2in S,@eme $ines !eui!e2 t* e *ene2

UFR

$*,ati*n

Im=ementin

Aen,?

1

IS$AND AT 37#7) H


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generating &nits o* 8%;PP

(%as)$ NP (%as) H P

(%as) and loads o* 5,,er

8ssam system H eomali

area (8r' Pradesh)

T*ta= Gene!ati*n: &7)-

3))M> an2 =*a2: ())M>

.* ea0-&))M> .ea0J

"ariani

(P%)O() 220 9 New "ariani (P%) < "isa

(+) 220 9 "ariani < "isa5FR=2

8t "ariani$

amag&ri o*8E%CO

AEGC$(d) 220 9 "ariani < amag&ri

(e) 132 9 "o9&9+h&ng < "ariani

(*) 132 9 ima,&r (P%) < ;o9aJan

5FR=3

8t ima,&r

(P%)O

PO>ERGRID

2

IS$AND AT 37#() H an2 =*a2: 11)M>

.*-ea0-15)M> .ea0J

132 9 Palatana < 5dai,&r5FR=1

8t PalatanaOOTPC

132 9 Palatana < &rJamani Nagar

132 9 il+har < &lla+herra5FR=28t il+harO

PO>ERGRID

132 9 8%PP < &marghat 5FR=3

8t

&marghatO

PO>ERGRID

132 9 P ;ari < &marghat

3

IS$AND AT 36#9) H


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2# Pma>/Qma> : "a>im&m %enerator 8+tie/Rea+tie Power .&t,&t (in "D)

e# Pmin/Qmin : "inim&m %enerator 8+tie/Rea+tie Power .&t,&t (in "D)

8%" (Prote+tion)$ 8E%C had re@&ested NERPC to in+l&de "$ 8P%C/8PC in the mailing

list so that data ,ertaining to generation +an e otained *rom them' NERPC agreed'

he &=+ommittee de+ided to hae the meetin * t@e su-!*u at 1&:&) PM *n (9t@

N*+eme!' 2013at S$DC' Ka@i=ia!a t* 2is,uss a*ut t@e Is=an2in s,@eme ' 8ssam$ ri,&ra$

NEEPC.$ P.DER%R$ NERPC H NERC were re@&ested to de,&te their +on+erned ,ersons

*or dis+&ssion so that +o&rse o* a+tion +an e *inali4ed *or im,lementation o* the islanding s+heme'

8++ordingly$ the 1stmeeting o* the s&gro&, on the slanding +heme was held on 2-'11'2013 at

C$ ahili,ara and the delieration in the meeting was as *ollows:

1' NERC gae rie* ,resentation on system st&dies +arried o&t in +onne+tion with 1 st and 2nd

islanding s+hemes' NERC in*ormed that in +ase o* 1st islanding s+heme$ in general the

generation (in the ,ro,osed islanded ,o+9et) will e more (o* the order o* 100=1A0"D) than the

+onne+ted load de,ending on ,ea9/o**=,ea9 and s&mmer/winter/monsoon +ondition' imilarly in

+ase o* 2ndislanding s+heme the generation (in the ,ro,osed islanded ,o+9et) will e more (o* the

order o* 30 =A0"D) than the +onne+ted load &nder o**=,ea9 +ondition and less (o* the order o* 20=

2A"D) than the +onne+ted load &nder ,ea9 +ondition' he ga, etween e>,e+ted generation and

load will ary and hen+e ,ro,er load generation alan+e wo&ld e re@&ired *or s&rial o* islanded

,o+9et'

2' t was de+ided to *o+&s on im,lementation o* 1stslanding s+heme +om,rising o* generating &nits

o* 8%;PP (%as)$ NP (%as) H P (%as) and asso+iated load o* 5,,er 8ssam ystem$

eomali 8rea o* 8r&na+hal Pradesh'

3' he re,resentaties o* NEEPC.$ 8E%C H ri,&ra were re@&ested to send the ma+hine data to

$ %&wahati H NERC y 1stwee9 o* e+emer 2013' n +ase releant in*ormation is not

aailale with the generating +om,anies$ standard al&es may e ass&med *or the st&dies'

?' Pro*essor ri,athy o* $ %&wahati was re@&ested to +arry o&t releant system st&dies asso+iated

with the ,ro,osed islanding s+hemes ased on the releant ma+hine data ,roided y P$

NP$ 8%PPP$ 8%P$ and ri,&ra' im&lation sho&ld e +arried o&t y o,ening &nit (s) o*

8%;PP / NP / P to see the ehaior o* the system' NERC will also +arry o&t similar

e>er+ise in +ons&ltation with Pro*' ri,athy and the res&lt o* st&dy will e dis+&ssed in .CC/PCC

1A


16/37


meetings'

A' Feeders / loads +onsidered &nder *o&r staged (?-'2 !4$ ?-'0 !4$ ?'0!4$ ?'60!4) 5FR ased

load shedding /any man&al shedding sho&ld not *orm ,art o* ,ro,osed islanded ,o+9et'

6' &ring dis+&ssion it was ro&ght to noti+e that ma+hines at Namr&,$ a9wa and 8%;PP are @&ite

old$ &nit si4es are also @&ite di**erent and o* di**erent ma9e' "oreoer$ eing gas ased ma+hines$

red&+tion in generation y way o* red&+ing *&el/gas in,&t may not ,ra+ti+ally *easile and hen+e

de=syn+hroni4ation / isolation o* generating &nit (s) one a*ter the other$ o,erating with own ho&se

load$ will e done to alan+e load and generation' t was de+ided that the de=syn+hroni4ation /

isolation o* generating &nit (s) o* 8%;PP will e *ollowed y &nits o* Namr&, and a9wa as ,er

re@&irement to a+hiee re@&ired load and generation alan+e'

B' 5FR may also e installed in *eeders / loads *or a&tomati+ load shedding'

' Programmale ogi+ Controller (PC)$ 5FR and d*/dt relays et+' may e re@&ired at generating

stations and s&stations *or a&tomati+ alan+ing o* load and generation'

-' he s+heme will e *orm&lated y NEEPC. and P%C in asso+iation with NERC and the

target date o* im,lementation o* 1stslanding +heme ,ro,osed at ?'!4 is Kan&ary 201?'

10' he Committee also de+ided that the 2nd slanding +heme ,ro,osed at ?'2!4 will e

im,lemented soon in similar line a*ter im,lementation o* 1 stislanding s+heme'

11' n general$ the ho&se was o* the o,inion that ,ro,osed 3rdislanding s+heme (the isolation o* NER

*rom ER at ?B'-!4) sho&ld not e +onsidered *or the time eing as most o* the time NER is

im,orting ,ower *rom ER e>+e,t d&ring high hydro season' he isolation o* NER *rom ER +o&ld

e detrimental *or NER %rid and NER grid may not s&rie a*ter isolation'


E(.) stated that as the matter had already een delierated d&ring the meeting held on 2-'11'2013$

he re@&ested the *or&m to dis+&ss ao&t the im,lementation o* the s+heme so that the same shall e

in ,la+e e*ore Kan&ary 201?'

8*ter detailed delieration$ the &=+ommittee de+ided to hae the meeting o* re,resentatie (s) o*

8ssam$ NEEPC.$ P.DER%R$ NERC H NERPC at hillong d&ring e+emer 2013 to

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17/37


dis+&ss ao&t the im,lementation ,lan so that the *irst slanding s+heme ,ro,osed at ?' ! will

e im,lemented y Kan&ary 201?' he date o* the meeting will e intimated y NERPC'


C#6 Re=ease * 2a? a@ea2 2!aa= s,@e2u=e ase2 *n a,tua= !euisiti*n ? C*nstituents instea2 *

*en an2 u== ,aa,it? !euisiti*n:

&ring -1st .CC meeting$ %"$ EC stated that while NERC +onsidered the te+hni+al

minim&m limits o* the stations as de+lared y the generators$ they sho&ld also +onsider te+hni+al

minim&m limit / generation +a,a+ity o* the generating ,lants o* ri,&ra while re@&esting *or

red&+tion o* state generation'

%"$ NERC stated that they are hono&ring the te+hni+al minim&m +a,a+ity de+lared y %

*or ,re,aration o* s+hed&le' Regarding red&+tion o* state generation in +ase o* +ontingen+y$ he

s&ggested to adJ&st generation o* di**erent &nits maintaining indiid&al generation either on lower

side or higher side o&tside the dead ands o* &nits'

EE$ C (8r' Pradesh) also in*ormed that een tho&gh they hae agreed *or the s+hed&ling on a

day ahead asis$ &t d&e to non=aailaility o* C$ they are &nale to 9now ao&t the @&ant&m o*

res+hed&ling on the ne>t day (im,lementation day) and y the time they re+eied the message the

timing was already oer and hen+e the tate has to ear &nne+essary &rden o* ,aying 5'

CE$ 8P stated that many 33 H 11 lines are +onne+ted etween 8r' Pradesh H 8ssam and

hen+e re@&ested 8ssam to hel, them y in*orming to the +on+ern C o**i+ers o* 8r' Pradesh

wheneer reision is ta9ing ,la+e *or the ene*it o* the tate till they hae a *&ll *ledge C'

8ssam agreed to hel, them'


he &=+ommittee en@&ired *rom all +onstit&ents$ i* they hae en+o&ntered any di**i+&lties till date

in the ,ro+ess o* im,lementation o* re@&isition ased s+hed&ling' 8ll +onstit&ents in*ormed that no

s&+h ,rolem is eing *a+ed y them till date' The Sub-committee decided to discuss / review in

case an# (rob"em arises.

1B


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C#7 Insta==ati*n * Ha!m*ni, Fi=te!s:

&ring the -1st.CC meeting$ E (E)$ oP$ 8r' Pradesh in*ormed that installation o* harmoni+

*ilters will e +om,leted y Noemer$ 2013'


in+e no re,resentatie *rom oP$ 8r' Pradesh was ,resentS the stat&s +o&ld not e &,dated'


C#9 F!euent T!iin O &&V S?stem * DOP' AP at Ni!Lu=i an2 i!*:

he stat&s o* tri,,ing o* 339 Feeders at NirJ&li and iro & tation$ as in*ormed y

P.DER%R$ is as elow:

.a0 T!iin &&V Fee2e!s at i!*

SN Fee2e!an%1) " un%1& T!iin in Au%1&

N*s# N*s# M*nt@ N*s# N*s# M*nt@

1 &r&ng= amey B66 1'23 1- 1-

( .ld iro Feeder ??0 10'?B 3 3

& imin Feeder 120 2'B6 61 61

.0 T!iin &&V Fee2e!s at Ni!Lu=i

SN Fee2e!an%1) " un%1& T!iin in Au'1&

N*s# N*s# M*nt@ N*s# N*s# M*nt@

1 8P < 1 262 6'23 B B

( 8P < 2 A-0 1?'0B 1B 1B

& 8P < ? 2 1'-A 2 2

n .CC/PCC/CC *or&m$ the +ommittee has e>,ressed +on+ern *or *re@&ent tri,,ing in 339

system o* 8r' Pradesh' P.DER%R in*ormed that s&+h re,eated tri,,ing res&lted in *ail&re o*

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trans*ormers at iro H NirJ&li s&station' he A"8$ 132/339 (T=Phase) C o* 1329 iro &

tation *ailed on 10'0-'2013 +a&sing +om,lete ,ower s&,,ly disr&,tion at iro' he s&,,ly was

restored at iro on 1A'0-'2013 y re,la+ing the *ailed &nit with aailale s,are &nit' his has

+ommer+ial im,a+t on the +onstit&ents o* the region' he re,resentatie o* 8ssam re=iterated that on

re@&est o* 8r' Pradesh all +onstit&ents had agreed to in+l&de a&gmentation o* trans*ormation

+a,a+ity at aoe s&stations as the regional ,roJe+t altho&gh 8r' Pradesh was the e>+l&sie

ene*i+iary' !en+e +ommittee desired that 8r' Pradesh sho&ld loo9 into the matter serio&sly to

red&+e the *re@&ent tri,,ing in 339 system so that &nwarranted *ail&re o* trans*ormers is not

re,eated'

he details o* *ail&re o* trans*ormers and stat&s o* tri,,ing o* 339 Feeders at NirJ&li and iro &

tation$ as in*ormed y P.DER%R$ was dis+&ssed in detail in -1 st .CC/1Ath PCC meeting'

imilarly the *re@&ent tri,,ing at eomali s&station o* 8r' Pradesh d&e to *a&lt in their 33 side

was also dis+&ssed in aoe meetings' &+ommittee also reiterated that i* tri,,ing is not red&+ed

*ail&re o* maJor e@&i,ments +annot e ,reented'

CE$ oP$ 8r' Pradesh had ass&red the *or&m that all e**orts will e made to im,roe the sit&ation

and had also in*ormed that he wo&ld organi4e a se,arate meeting with o**i+ials o* P.DER%R$

NEEPC. and NERPC to dis+&ss and resole the iss&e'


in+e no re,resentatie *rom oP$ 8r' Pradesh was ,resentS the stat&s +o&ld not e &,dated'


C#1) T- C*nne,ti*n * $e@i 8 B@a=u*n s u-Stati*n

&ring -1st .CC meeting$ E (E) oP$ 8r' Pradesh in*ormed that the . at e9hi will e

+om,leted y e+emer$ 2013 as stated earlier and the . wor9s (tower str&+t&re H +ontrol room

et+') at ;hal&9,ong is &nder ,rogress and the same will e +om,leted y "ar+h$ 201?'

%"$ P.DER%R in*ormed that a se+tion o* the e>isting 132 /C NirJ&li < i9rong line

e+tion +oering lo+ation No' 1 to 23 in+l&ding lo+ation 13? (+ommon tower *or N H %)O

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20/37


21/37


F&rther$ %"$ P.DER%R in*ormed that in North Easter Region$ *ollowing 1329 ines do not

hae ingle Pole 8&to Re+lose (P8R) *a+ility e+a&se %ang (3P) .,erated Cir+&it ;rea9er at one

or oth ends'

SN Name * t@e $ine En2 1 En2 (

1 1329 %oh,&r=NirJ&li 3P 3P

( 1329 8i4awl=&marghat 3P 3P

& 1329 ;adar,&r=olasi 3P 3P

3 1329 olasi=8i4wal 3P 1P

5 1329 ;adar,&r=Kiriam 3P 3P

4 1329 ;adar,&r=hlieriat 1P 3P

6 1329 ;adar,&r=il+har L 1 3P 1P7 1329 ;adar,&r=&marghat 3P 3P

9 1329 ;adar,&r=;adar,&r 3P 3P

1) 1329 &marghat=R C Nagar 3P NEEPC. (1P)

11 1329 Udong=Uriat L 3P NEEPC. (".C;)

1( 1329 Udong=Uriat L 3P 3P

1& 1329 Uriat(P%)=Uriat(") 3P 3P

13 1329 Kiriam=o9ta9 3P N!PC

15 1329 NirJ&li=Ranganadi 3P NEEPC. (3P)

14 1329 Ranganadi=iro NEEPC. (3P) 1P

16 1329 8gartala=RC Nagar L 1 3P NEEPC. (1P)

17 1329 8gartala=RC Nagar L 2 3P NEEPC. (1P)

&ring the delieration %"$ P.DER%R stated that *or reliale o,eration o* transmission

system$ P8R ,lays im,ortant role d&ring transient *a&lt' o *ar as 1329 ines are +on+erned$

these are more ,rone to transient *a&lt e+a&se o* low +learan+e' "oreoer$ NER is ,rone tolightening and hen+e many instan+es o* transient tri,,ing o* 1329 lines are osered d&ring

lightening' 5nder s&+h +ir+&mstan+e im,lementation o* P8R is most im,ortant / essential at 1329

leel *or whi+h re,la+ement o* the e>isting %ang (3P) .,erated ;rea9er y single ,ole C;s is

re@&ired *or in+reasing aailaility'

&ring -1st.CC meeting$ r' "anager (E/")$ NEEPC. in*ormed that P8R *or 220 o,ili a+t reason and li9ely restoration

time'

R!EP aailed 132 9 &s sh&tdown on 2?'11'2013$ the details o* testing +arried o&t may ,lease e

intimated *or the 9nowledge o* the *or&m'


%"$ NERC re@&ested NEEPC. to restore the &s +o&,ler ay at the earliest *or enhan+ing

reliaility o* the system with two &ses' NEEPC. agreed to that'

The Committee noted as above.

D#11 Semina! *n Rest*!ati*n P!*,e2u!e * NER !i2:

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NERC is ,lanning to organi4e a seminar on Restoration Pro+ed&re o* NER grid7 one day e*ore

or a*ter the .CC meeting o* Kan&ary$ 201?' he e>a+t date may ,lease e *inali4ed *or re@&ired

arrangement' Parti+i,ation o* 2=? e>e+&ties o* all the &tilities is re@&ested +onsidering its

im,ortan+e *or system se+&rity'


%"$ NERC re@&ested all the &tilities to ens&re ma>im&m ,arti+i,ation o* ystem .,erators in

the seminar' 8ll the &tilities ass&red the same'


D#1& U=*a2in * m*nt@=? *utae !**sa=s in NERPC esite an2 *t@e! issues =ie 2e=a? in!etu!nin * s@ut2*n' !euent !euisiti*n *! s@ut2*n * e=ements *t@e! t@an a=!ea2?

a!*+e2 =ist et,:

he aoe iss&es are ery im,ortant and re@&ired to e delierated *or a+tions y +on+erned *rom the

angle o* CERC reg&lations/ CE8 g&idelines et+ *or ens&ring smooth H se+&re grid o,eration' his

was dis+&ssed in -1st .CC meeting'


NERC re@&ested NERPC to ens&re &,loading o* o&tage ,ro,osal as well as a,,roed list o*

sh&tdowns in their wesite in line with CERC reg&lations/ CE8 g&idelines' NERPC agreed'

E(.) NERPC re@&ested all &tilities to do ,ro,er o&tage ,lanning so that s&se@&ent re@&isitions *or

h&tdowns +an e aoided'

"emers agreed to that'


D#13# U$DC ,*mmuni,ati*n !*=em it@ im*!tant stati*ns 8 S$DCs:

3A


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NERC in*ormed that they hae een osered that the 5C +omm&ni+ation lin9 with *ollowing

stations H Cs are either not wor9ing or ery errati+ therey +a&sing serio&s o,erational

,rolems'

Stati*ns< il+har$ Palatana$ ala9ati$ "o9o9+h&ng$ Ningtho&9hong$ arong et+'

S$DCs --NE!5$ aheli,ara$ 8gartala$ m,hal()$ ima,&r()$

8ll +on+erned are re@&ested to ,lease ta9e +orre+tie a+tions *or restoration o* the lin9s *or ens&ring

smooth o,eration o* the grid'


%"$ NERC stated that d&e to non=aailaility o* aoe +omm&ni+ation lin9s they aree>,erien+ing di**i+&lties in real time o,eration and re@&ested all +on+erned to ta9e +orre+tie a+tions

at the earliest to ens&re reliale o,eration o* the grid'

"emers in*ormed that this ,rolem is mainly d&e to o&tage o* P5NC." e>+hanges and there is less

,ossiility o* early restoration o* the same' n some +ases PCC lin9s are &nder long o&tage res&lting

+omm&ni+ation ,rolems'


D#15# Date 8 Venue * net OCC meetin

t is ,ro,osed to hold the -3rd.CC meeting o* NERPC in se+ond wee9 o* Kan&ary$ 201?' he e>a+t

date H en&e will e intimated in d&e +o&rse'

he meeting ended with than9s to the Chair'

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Anneu!e-I

$ist * Pa!ti,iants in t@e 9(n2 OCC meetin @e=2 *n )41(()1&

SN Name 8 Desinati*n O!ani

92nd OCC Minutes Final Website Version 19-12-13

Documents

Transcript of 92nd OCC Minutes Final Website Version 19-12-13