Daily Updation File OCT 2013.xlsx

7/27/2019 Daily Updation File OCT 2013.xlsx

1/52

Sr. No DATE

STOP

TIME

START

TIME

TOTAL

TIME

Equipmen

t Tag No

withDescriptio

n

1

2

3

4

5

6

7

89

10 .

11

12

13

14

15

16

17

18

19

20

21

22

23

24


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Type of Tripping with reason and rectification

DAILY UPDTION FILE OF HT DRIVE MONTH: October-2013


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Effect of

production or Not

Name of

ShiftEngineer


4/52

Sr. No DATE STOP TIME START TIME TOTAL TIME

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

DAILY UPDTION


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Equipment Tag No with Description

FILE OF LT DRIVE


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MONTH: October2013

Type of Tripping with reason and rectification


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Effect of

Productio

n or Notfrom

Electrical

side

Name of

Shift

Engineer


8/52

DE NDE

CH9 CH10

1 A VINOTH OFF OFF OFF OFF

2 B Pitamber OFF OFF OFF OFF

3 C Avinash OFF OFF OFF OFF

4 A

5 B

6 C

7 A

8 B

9 C

10 A

11 B

12 C

13 A

14 B

15 C

16 A

17 B

18 C

19 A

20 B21 C

22 A

23 B

24 C

25 A

26 B

27 C

28 A

29 B

30 C

31 A

32 B

33 C

34 A

35 B

36 C

37 A

38 B

39 C

11-Oct-13

12-Oct-13

13-Oct-13

1-Oct-13

2-Oct-13

Sr. No. DATE SHIFT NAME

BALL MILL 1

KW

BEARING RUNNING

CURRENT

10-Oct-13

9-Oct-13

3-Oct-13

4-Oct-13

5-Oct-13

6-Oct-13

7-Oct-13

8-Oct-13


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40 A

41 B

42 C

43 A

44 B

45 C

46 A47 B

48 C

49 A

50 B

51 C

52 A

53 B

54 C

55 A

56 B

57 C

58 A

59 B

60 C

61 A

62 B

63 C

64 A

65 B

66 C

67 A68 B

69 C

70 A

71 B

72 C

73 A

74 B

75 C

76 A

77 B

78 C

80 B

81 C

82 A

83 B

84 C

85 A

86 B

87 A

22-Oct-13

23-Oct-13

16-Oct-13

17-Oct-13

18-Oct-13

19-Oct-13

20-Oct-13

21-Oct-13

14-Oct-13

15-Oct-13

24-Oct-13

25-Oct-13

26-Oct-13

27-Sep-13

28-Sep-13

29-Sep-13


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88 B

89 C

90

30-Sep-13


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DE NDE DE NDE DE

CH9 CH10 CH9 CH10 CH9

OFF OFF OFF OFF 53 40 148 1471 55

OFF OFF OFF OFF 50 37 148 1488 47

OFF OFF OFF OFF 50 37 140 1437 48

CURRENT KW

BEARING

CURRENT

ROD MILL 1

BEARING RUNNING BEA

BALL MILL 2

RUNNING

KW


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13/52


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NDE DE NDE DE NDE

92 CH9 CH10 CH9 CH10

42 48 390 OFF OFF OFF OFF 47 37

39 67 442 OFF OFF OFF OFF 39 35

39 40 378 OFF OFF OFF OFF 45 35

1

ING

ROD MILL 2

CURRENT KW

RUNNING

BLOWER 1 BLO

CURRENT KW

BEARING RUNNING BEARING


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16/52


17/52

DE NDE DE NDE

CH9 CH10 CH9 CH10

42 434 OFF OFF OFF OFF OFF OFF OFF

44 445 OFF OFF OFF OFF OFF OFF OFF

45 444 39 34 9 27 43 34 20

ER 3 SCH MOTOR

CURRENT KWCURRENT KW

RUNNING

PCH MOTOR

BEARING

CURRENT

BEARING RUNRUNNING


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DE NDE DE NDE

CH9 CH10 CH9 CH10

OFF OFF OFF OFF OFF OFF OFF OFF OFF

OFF OFF OFF OFF OFF OFF OFF OFF OFF

51 OFF OFF OFF OFF OFF OFF OFF OFF

BLOWER 2

RUNNING

CURRENT KW

BEARING

REGRIND MILL

KW KW

BEARING RUNNING

CURRENT

ING


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23/52

1 A VINOTH 44 44 42

2 B pitamber 46 44 44

3 C Avinash 42 40 42

4 A

5 B

6 C

7 A

8 B

9 C

10 A

11 B

12 C

13 A

14 B

15 C

16 A

17 B

18 C

19 A

20 B21 C

22 A

23 B

24 C

25 A

26 B

27 C

28 A

29 B

30 C

31 A

32 B

33 C

34 A

35 B

36 C

37 A

38 B

39 C

12-Oct-13

13-Oct-13

7-Oct-13

8-Oct-13

9-Oct-13

10-Oct-13

11-Oct-13

2-Oct-13

SHIFT NAMEDATE

Oil Temp

1-Oct-13

Oil Temp

Sr. No.

Power Transformer -

1

Power Tra

Winding

Temp

3-Oct-13

4-Oct-13

5-Oct-13

6-Oct-13


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40 A

41 B

42 C

43 A

44 B

45 C

46 A47 B

48 C

49 A

50 B

51 C

52 A

53 B

54 C

55 A

56 B

57 C

58 A

59 B

60 C

61 A

62 B

63 C

64 A

65 B

66 C

67 A68 B

69 C

70 A

71 B

72 C

73 A

74 B

75 C

76 A

77 B

78 C

79 A

80 B

81 C

82 A

83 B

84 c

85 A

86 B29-Oct-13

28-Oct-13

25-Oct-13

26-Oct-13

27-Oct-13

20-Oct-13

21-Oct-13

22-Oct-13

23-Oct-13

24-Oct-13

15-Oct-13

16-Oct-13

17-Oct-13

18-Oct-13

19-Oct-13

14-Oct-13


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87 C

88 a

89 b

c

30-Oct-13


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44 38 42 42 44 48 52 36 38

42 38 36 44 40 56 48 34 32

40 36 34 38 38 50 52 52 54

Oil TempWinding

Temp

Oil TempWinding

Temp

Dist. Transformer - 1 Dist.Transformer - 3

Oil Temp

Dist. Transformer - 2

Winding

Temp

Oil Temp

nsformer -

Winding

Temp

Winding

Temp



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38 38 36 38 36 38 38 38 42

38 36 40 38 38 36 40 38 44

40 38 36 34 38 38 40 38 40

Oil TempWinding

Temp

Dist.Transformer - 5

Winding

Temp

Oil Temp

4 MVA Tr

Oil Temp


Winding

Temp

Dist. Transformer - 6 Dist. Transformer - 7

Oil TempOil TempWinding

Temp


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44

42

40

nsformer

Winding

Temp


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18-8-12

19-8-12

22-8-12

29-8-12

6/9/2012

13-9-2012

2/10/2012

12/10/2012

3/11/2012

6/11/2012

13/11/12

23/11/2012

28-11-12

29-11-12

30-11-12

4/11/2012

26-12-12


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27-12-12

4/1/2013

5/1/2013

12/1/2013

13-1-13

20-1-13

21-1-13

24-1-13

31-1-2013

31-1-13, 1-2-13

1 & 2-2-2013

3/2/2013

4/2/2013

7,8,9,10-2-13,

11/2/2013

15-2-2013

21-2-2013


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23-2-13

24-2-2013

25-2-2013

6/3/2013

15-3-2013

31-3-2013

2,3-4-2013

4/4/2013

6/4/2013

9/4/2013

10/4/2013

16-4-2013

17-4-2013

17-4-2013

17-4-2013

17-4-2013

3/5/2013

10/5/2013


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11/5/2013

12/5/2013

13-5-13

14-May-13

17-5-13

18-5-13

19-5-13

20-5-13

27-5-2013

28-5-2013


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29-May-13

30-May-13

8-Jun-13

8-Jun-13

9-Jun-13

11-Jun-13

6/16/2013

24-Jun-13

27-Jun-13

3-Jul-13

4-Jul-13

13-Jul-13

18-Jul-13

20-Jul-13

21-Jul-13

24-Jul-13

4-Aug-13

28-Aug-13

18-Sep-13

23-Sep-13

18-Jun-13


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25-Sep-13

26-Sep-13


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Ball mill 1 LRS insulator support damaged. Flash over. Total 9 nos were defective and replaced by new insulators.

Ball mill 2 LRS insulator support damaged. Flash over. Total 9 nos were defective and replaced by new insulators.

Rod mill 1 LRS checked. Insulation value was less. All the six insulators were replaced with good one.

Ball mill 1, 2 water level in LRS was lowered by 30mm to increase the gap between the insulators and water

level. For this one no 10mm hole was drilled in LRS tank.

Ball mill 1 NDE side bearing NU 230 M was replaced as the old bearing was giving scratching sound. Grease

SCH motor NDE bearing replaced.6320 C3.

Motor fan replaced with the fabricated fan brought through Adarsh

5AG-01, 5AG-02 lead agitator motor non drive end bearings were replaced with 6209-2RS bearing.

Ohline shifting work completed near SKM gate through M/s Navdurga electrical jaipur

11KV/440V 1500KVA trafo 440V side cables were removed and connected to 11KV/6.6KV/440V transformer .

Raise borer M/c power supply given .

Main V.fan greasing done. With Temp Gun. Motor DE Cover= 68 deg C , Motor body= 77degC, NDE cover=

Masibus Scanner: Channel 1=36degC, 7= 110degC, 8=78degC.

Raise borer m/c connections removed from the back of the techno office room.

Power given to raise borer m/c at south ramp.

The 33KV no 1 feeder tripped at early morning 1AM. One no 33KV PT fuse blown out at the SKM incomer feeder.

The tripping was cause due to one cable bursting and eathing at the DSC side cable tray near yard. 33KV No 2 ckt

Raise borer m/c pump connections removed in the evening as the pilot hole drilling is over.

33KV no 2 feeder cable jointing done

33KV no 2 feeder line charged after cable jointing work.

Raise borer M/c is taking 490A @ the boring of 3.5 mtr dia .

Hydro fill plant 6.6KV trafo power supply energized on 6.0PM.

Important Breakdown list


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SCH was giving problem. 3 core cable was laid out from oil cooling panel to float switch so that relay R1 can be

energized directly. R2 elay is kept charged through permanent short ckt.

The mill was switched off in 4PM due to the union after the accident in lead plant.

33kv no1, no 2 circuits were taken in to ckt and 6.6KV no1, 2 feeders switched on and the bus coupler is kept off.

Ball mill 1 DE side grease cover opened. The cup was not in exact position. Grease is coming out. Ball mill 1

motor needs to be opened to rectify this fault. Fixed back as it is greasing done.

11KV/6.6KV/440V 1500KVA transformer was energized from 6.6kv mill side power. Power given from 6.6KV

Greasing done on Main V.fan 630KW

Ball mill no 1 drive end side grease which was lying inside motor approximately 7KG was removed.

Greasing done on V.fan

Capacitor reforming done in the spare inverter module

KTSelvan & Ravi went to Udaipur on official tour.

CVR ventilation fan started. It is taking 150A load.

Sh Sukhmayan was deputed for 33KV yard work at DSC

Ball mill 1 : NDE side bearing NU230E ( Fag) changed, DE side bearing NU236E( NSK japan make ) & 6320

changed.( Grease ring(oil ring in NDE side is AJ180 & this is damaged. ).

All the three new bearings are SKF make.Ravikant Baipai sent to Udaipur for grease seal.

U/G 11KV cable joint near hoist room opened, cable re-routed through cable trench and straight through jointing

made. 8AM to 4PM. Cable charged back.

Ball mill-1: Motor DE side oil seal 200*180*15 mm fixed with juggad fittings and trial taken.

Total Mill power was taken through 33KV ckt2 @ 10AM. 33kv CKT 1is in no load.

SCH crusher complete set replaced with new crusher, new oil cooling system, new overpressure fan.

Sukmayan was deputed to DSC 33KV yard work

DGMS electrical inspector visited SKM for inspection

KTselvan Went to (DGMS ) Udaipur for submitting HT file. File was rejected as it was not in stipulated New

VVIP visit took place at SKM.


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Compressor house power shutdown taken from 3.0PM to 6.30 PM for jointing the VCB panels.

High mast light work completed

Went to DGMS Udaipur office on personal taxi to submit the compr house substation application.

By train on 6-7-13 went to delhi. Came back on 8-3-13 by flight. V.fan motor inspection work.

Power to south ramp given from mill side through cable. 11KV/440V transformer switched off and 440V cable

connection removed from PCC side.

BC-3 magnet coil insulation failure at bottom. Removed , repaird and brought back on 6-4-2013 for fixing. It was

tested at Udaipur and found ok.

M/s Zitron visited the SKM for additional fan requirement study.

Went to Udaipur for magnet inspection @ Sakthi elect

Mine shaft supply given from mill via feeder ie no 14 & 38

Ball mill no 2 shaft sheared off near motor coupling.

The BC-3 Magnet was put in to operation. Working OK.

SCH motor (removed from use) DE side NU320 (SKF) bearing was changed with new bearing ( SKF). The bearingwas damaged due to low grease.

ABB engr Raj kumar was attending the problem of UMC 22 for the past 4 days. MOM signed today. There is a

small problem in the UMC 22 which needs to be resolved.

Setting for trafo 3, 4 HT feeders changed from 0.7, 1.0 to 0.7, 0.4( I>0.7, t>0.4). Setting for trafo 440V incomer in

all 1 to 8 no trafo changed to ( t> 0.65 from t>4.0)

V.fan setting for 1 no channel changed from 70 to 75 deg for tripping. No1 channel temp reading jumped from

V.fan AC indoor card damaged & sent to Udaipur. Now the AC is not working.

Hydro fill plant 30VDC battery charger batteries failed in B shift end. Battery ircuit opened and the system

started with 30VDC rectifier ckt without battery.

Trafo-5 was tripped due to high set over current while the CT changing work is going on. MCC 5 Both front and

Back side cleaned and checked.

Both Mill stopped at 5 pm due to water shortage.


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Both mill kept shut. PMCC2 complete blowering done on backside, front side . MCC5,6,7 complete blowering

done. PMCC2 side all Breakers removed and cleaned. MCC5,6,7,8 ACB cleaned and checked.

Both mill kept shut. MCC4 complete blowerng done. PMCC1 side front , back side complete blowering done.

PMCC1 side all ACB opened and cleaned and checked. MCC4 checked. MCC1,2,3 opened and cleaned and

checked. EMER MCCB ACB ( both ) not checked and cleaned.Both Mill started at 5 PM. Trafo 1,2,3,4,5,6 VCB Cleaned and checked.

DSC power tripped at 5PM. 33KV 1,2 power not available. 11KV power not available. CPP is down. Power is

through RSEB. Total load on mill 33KV feeder 2 is 2.3 MW.

33KV no 1 feeder PT fuse blown at SKM side.

Mill is off from 5PM.

Both mills started at 12:30 AM.

Shutdown taken from MRS for Incomer 1 (33KV) inorder to change the Line PT fuses ( R phase and Y phase).

Incomer - 1 and Trafo 1 back panel cleaning done. Incomer 1 GO switch in 33KV Switch yard maintenance

New reservoir pump started with VFD panel after cable laying work from hydro fill plant.( job went for a week).

850 mtr cable 95 sqmm laid out. 45kw motor taking 33A at full speed.

15kw submersible pump and starter fixed in the main reservoir sump and started.

PB& ZN floculant drawing traced and changed as in the panel.

MLDB 4 at PCH fixed with digital ELR.

On trafo 4, oil leakage was found. And in there LT side bushings of Y and B phases were found loose. So it was

630kw vfan motor received with duct assembly at SKM site.

Plant - Both the streams are stopped due to the fatal accident in Mines at 4:00AM

Plant didn't run for the whole day .

Power Readings:

33KV I/C 2 : 1.36MV

Mines Shaft 2 : 362 W

Surface VF : 320.2KW

Mines 300MRI : 172KW

Mines Fdr-4 : 51.5KW

TR-7 : 24.5KW

TR-6 : 132KW

TR-5 : 115.5KW

TR-4 : 2KW

TR-3 : 93KW

TR-2 : 165KW

TR-1 : 2.4KW

Shaft Fdr-1 : 67KW


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Hydrofill Plant : 60KW

Plant was Restarted at 10:30am after that incident.

4P-01C, motor windings burnt and DE side bearing was damaged. e/f was shown in vfd. New 180kw(287A) motor

was installed and ID run test was successful. Old motor details: Serial No: NAD2X 10507 TOP, Frame size:ND3152X New motor Details: Serial No: NAD2X 11876 TOP, Frame size: ND3152X. Old motor bearing -SKF

NU319C3, This bearing was completely dry, inner race cracked, oil seal burned, motor rotor rubbed at drive end

33kv black-out at 3pm from CPP. Entire plant was taken in load at 6:30 pm

BM-1 energy meter was replaced with spare motor feeder (panel no 2)

5AG-03G motor was replaced with newer one. Abnormal sound was noticed in motor.

Regrind Mill motor was tripped due to False alarm in Temperature scanner. Problem due to loose connection in

On rod mill-1 new 500kw motor was fixed. And no load trial was taken.

Report of no load trial KW = 24, CURRENT = 22A, WINDING TEMP = 33, DE SIDE = 33, NDE SIDE = 31 , KVA =

BC-2 tripper cable dressing done properly.Its clips got out from wire.It was fixed properly

Ball Mill-1 ( channel 5 in Scanner was showing "undr' .While checking from motor side it was found that 1 cable g

On mines shaft feeder-1 (feeder no 14) CT was changed by 400/1 A. Earlier it was 250/1 A.

Hydro fill plant Transformer (6.6KV/440V) - NGR to Earthis not proper. It was rectified and started. Transformer b

Feeder No 31 Charged by Mines Electrical for 212 mrl substation(mines). Micom 220 was found faulty andreplaced from spare feeder.Shutdown given.

11KV Overhead Line was tripped due to earth fault. It was checked from Mines side by Mr. Bhanu. No problem

was found. After that it was started again.

7P-02 (1.1KW/2.35A) motor was replaced. Old motor was having bearing problem.

33kV Incomer-1 shutdown was taken from MRS end. Incomer-1 & Transformer-1 breaker were turned OFF from

SKM side. Bus Coupler is Racked Out

Since new ventilation fan motor connection was to be done in Raise Borer M/C panel, P-22 in PMCC-2 so

Shutdown was taken for trafo-5. This ventilation fan motor was installed in Mines area. Also ELR+CBCT was

change in P-22, PMCC-2. After termination of Motor connection from feeder side its shutdown was cleared.

3BC-03 ventilation fan trial taken. Taking 8.6A. ( Rating:5.5KW/9.9A, MPCB Setting:9A). Motor is runnig fine.

Tripped from temp. scaner. While check it was found that its channel no-4 showing false reading. It was skiped

and started again. Channel no 4 need to be check in ROD mill shutdown.

5AG-03G (22KW/40A) has been changed with the spare one due to some abnormal sound in the motor. Load curr

Trafo-3 was tripped without any indication in SPAJ-140C Relay. It was started again and no further tripping occur

mcc 4 Tripped on Io>> fault. Fault has come from from ball mill 2 inching drive winding termination weak

insulation. Also loose bolts were also found inside that terminal box. Trial was taken for that motor after


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otor side RTD terminal.

t cut .It was joined again.

dy earthing also done.

ent 27A. Running fine now


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E PROBLEM.

Daily Updation File OCT 2013.xlsx

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Transcript of Daily Updation File OCT 2013.xlsx