OUTAGE DETAILS OF ER-I, ER-II (WEST BENGAL & SIKKIM ... · EVENT No. NAME OF LINE/ICT €€ TRIP€€€€ DATE€€TIME RESTORATION Outage Attributable to powergrid (T) Outage

EVENT

No. NAME OF LINE/ICT

TRIP

DATE TIME

RESTORATION

DATE TIME

Outage

Attributable to

powergrid (T)

Outage

Attributable to

Others(U)

Outage

Attributable to

System

Constraints

( C )

Deemed

Available

( D )

CATE-

GORYREASON SAP

405078 132KV-GANGTOK -CHUZACHEN-1 18-05-2018 11:01 18-05-2018 16:17 0:00:00 0:00:00 0:00:00 5:16:00 OSPD S/D taken by Chuzachen for tree cutting work. 107000065586

405059 132KV-GANGTOK -CHUZHEN-1 11-05-2018 17:14 11-05-2018 20:42 0:00:00 3:28:00 0:00:00 0:00:00 OMSUTripped due to L/A of said line found damaged during heavy

thunderstrom/Lightening107000065144

405068 132KV-GANGTOK -CHUZHEN-1 13-05-2018 11:38 13-05-2018 12:14 0:00:00 0:36:00 0:00:00 0:00:00 OMSU Tripped on B-N fault (Fault is under Chuzachen jurisdiction). R/I at

Gangtok: FD: 25.87KM,FC: 1.53KA.107000065223

405133 132KV-GANGTOK -CHUZHEN-1 28-05-2018 16:20 28-05-2018 16:52 0:00:00 0:32:00 0:00:00 0:00:00 OMSUTripped during heavy rain,thunderstrom & lightening . R/I at Gantok: R-N

fault, Z1,FD-29 KM,F/C: Rph-2.46 KA. (Fault under Chuzachen jurisdiotion)107000066150

0:00:00 4:36:00 0:00:00 5:16:00

405026132KV-MELLI-SILLIGURI-1

06-05-2018 10:00 06-05-2018 14:29 4:29:00 0:00:00 0:00:00 0:00:00 OSPTShutdown taken for AMP work.

107000064841

405053 132KV-MELLI-SILLIGURI-1 10-05-2018 16:58 10-05-2018 18:02 0:00:00 1:04:00 0:00:00 0:00:00 OMSU

Tripped during rain and thunder storm tripped on R-Y, Z2, F/C: Ir: 1.41 KA,

Iy: 1.33 KA, F/D: 104.6 KM (Full length: 94 KM); Fault is beyond Powergrid

jurisdiction.

107000065085

405054 132KV-MELLI-SILLIGURI-1 10-05-2018 18:38 10-05-2018 19:05 0:00:00 0:00:00 0:27:00 0:00:00 LNCCTripped during acute rain and thunder-storm Tripped on Y-B fault. R/I at

Siliguri: Z1, Y-B, F/C: Iy: 2.17 KA, Ib: 2.25 KA, F/D: 46.8 KM;107000065098

405109 132KV-MELLI-SILLIGURI-1 24-05-2018 12:11 24-05-2018 15:33 0:00:00 3:22:00 0:00:00 0:00:00 OMSU For shifting of LT pole by WBSEDCL , fallen under Loc no: 219-220 . 107000065895

405131 132KV-MELLI-SILLIGURI-1 28-05-2018 16:08 28-05-2018 16:46 0:00:00 0:00:00 0:38:00 0:00:00 LNCCTripped during heavy rain,thunderstrom & lightening. R/I at Siliguri: R-Y-N

fault, Z2,FD-104.6 KM,(Line length 94.2KM) F/C: Rph-1.4 KA & Yph-1.31 KA, 107000066148

4:29:00 4:26:00 1:05:00 0:00:00

405034 132KV-RANGPO-GANGTOK-2 08-05-2018 08:25 08-05-2018 18:28 0:00:00 10:03:00 0:00:00 0:00:00 OMSU Shutdown taken for replacement of porcelain insulators by polymer insulators 107000064950




0:00:00 36:44:00 0:00:00 0:00:00

405054 132KV-RANGPO-MELLI-1 10-05-2018 16:58 10-05-2018 17:49 0:00:00 0:51:00 0:00:00 0:00:00 OMSUTripped during rain and thunder storm tripped on R-Y, Z1, F/C: Ir: 1.503 KA,

Iy: 1.446 KA, F/D: 4.359 KM; Fault is under Sikkim Power jurisdiction.107000065092

405132 132KV-RANGPO-MELLI-1 28-05-2018 16:08 28-05-2018 16:35 0:00:00 0:27:00 0:00:00 0:00:00 OMSU

Tripped during heavy rain,thunderstrom & lightening R/I at Rangpo: R-Y-N

fault, Z1,FD-2.370 KM,F/C: Rph-1.633 KA & Yph-1.526 KA, (Fault under

Sikkim jurisdiotion)

107000066149

0:00:00 1:18:00 0:00:00 0:00:00

405089 132KV-SILIGURI-KERSEONG-1 (up to LILO) 22-05-2018 23:41 23-05-2018 00:16 0:00:00 0:00:00 0:35:00 0:00:00 LNCC

Tripped on B-N fault during heavy rain & thunderstrom. R/I at Siliguri: B-

N,FD: 16.2KM, FC: 4.3 KA.R/I at Karseong: B-N,Z1,FD: 15.15KM, FC: 1.13 .KA.. 107000065789

0:00:00 0:00:00 0:35:00 0:00:00

405155 220KV 220KV RANGPO-NMELI--1 30-05-2018 09:39 30-05-2018 16:05 0:00:00 0:00:00 0:00:00 6:26:00 OSPDShutdown taken by M/s TVTPL for bypass arrangement for stringing on New

Melli- Rangpo Line107000066299

0:00:00 0:00:00 0:00:00 6:26:00TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

OUTAGE DETAILS OF ER-I, ER-II (WEST BENGAL & SIKKIM) & ODISHA FOR MAY 2018

Total outage-ER Page 1

EVENT


TRIP

DATE TIME

RESTORATION

DATE TIME

Outage

Attributable to

powergrid (T)

Outage

Attributable to

Others(U)

Outage

Attributable to

System

Constraints

( C )

Deemed

Available

( D )

CATE-

GORYREASON SAP

405146 220KV DALKHOLA-KISHANGANJ-1 28-05-2018 19:04 28-05-2018 19:47 0:00:00 0:00:00 0:43:00 0:00:00 GGDC

Tripped from Kishanganj end only on O/C protection operation, there after

H/T at Dalkhola end on no power/ no voltage condition to facilitate for taking

the same into service.

107000066201

0:00:00 0:00:00 0:43:00 0:00:00

405124 220KV DALKHOLA-KISHANGANJ-2 27-05-2018 05:34 27-05-2018 06:17 0:00:00 0:00:00 0:43:00 0:00:00 LNCCTripped during heavy rain/lightening/ thunderstorm.R/I at Dalkhola: B-

N,FD:20.49KM,FC: 1.738KA.107000066052

405147 220KV DALKHOLA-KISHANGANJ-2 28-05-2018 19:04 28-05-2018 19:59 0:00:00 0:00:00 0:55:00 0:00:00 GGDC

Tripped from Kishanganj end only on O/C protection operation, there after

H/T at Dalkhola end on no power/ no voltage condition to facilitate for taking

the same into service.

107000066202

0:00:00 0:00:00 1:38:00 0:00:00

40593 220KV-BIRPARA -BINAGURI-1 23-05-2018 05:51 23-05-2018 06:33 0:00:00 0:00:00 0:42:00 0:00:00 LNCC

Tripped during heavy rain & thunderstrom in the effected area,R/I at Binaguri

end :B-Y-N fault, F/C=Bph:3.396KA,Yph: 2.637KA,F/D: 209.4KM,M2:Y-B-

N,Z1,F/D-63.6KM, At Birpara end:Y-B-N,FD:12.21 KM, FC:Yph=3.353

KA,Bph=7.061 KA

107000065798


CB tripped at Birpara end only. A/R successful at Binaguri. Birpara end R/I: R-

N, Z1, F/C: 3.831 KA, F/D: 26.64 KM. R/I at Binaguri end: R-N,Z1, F/D: 47.14

KM, F/C: 3092 Amps. Weather condition: Rain with thunder storm.

107000065808

405105 220KV-BIRPARA -BINAGURI-1 24-05-2018 07:09 24-05-2018 07:09 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R successful at both end. R/I at Birpara end: Y-N, F/D: 22.29 KM, F/C: 3.62

KA.107000065892

0:00:00 0:00:00 1:07:00 0:00:00


Tripped during heavy rain & thunderstrom in the effected areaR/I at Binaguri

end :Y-N fault, FC:Yph: 2.637F/D: 209.4KM,M2:Y-B-N,Z1,F/D-63.6KM, At

Birpara end:Y-N,FD:10.31 KM, FC:Y=3.227 KA,Bph=1.187 KA .

107000065799

405096 220KV-BIRPARA -BINAGURI-2 23-05-2018 08:13 23-05-2018 08:13 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R successful at both end. R/I at Birpara: B-N, F/C: 3.051 KA, F/D: 34.64

KM. R/I at Binaguri: B-N,Z1, F/D: 40.83 KM, 3583 Amps.107000065807

0:00:00 0:00:00 0:11:00 0:00:00

405077 220KV-BIRPARA -CHUKHA-1 18-05-2018 08:49 18-05-2018 16:57 0:00:00 0:00:00 0:00:00 8:08:00 OSPD S/D taken by Bhutan to replace the decapped insulator. 107000065584

405087 220KV-BIRPARA -CHUKHA-1 22-05-2018 20:41 22-05-2018 21:16 0:00:00 0:35:00 0:00:00 0:00:00 OMSU

Line tripped on R-Y-N Fault R/I at Birpara end (M1)::

FD:38.56KM,FC:Ir:1.717KA,Iy:2.66KA,Ib:600A

(M2)::FD:38.47KM,FC:Ir:2.76KA,Iy:2.97KA,Ib:598A.(Fault is under Bhutan

Jurisdiction)

107000065782

405103 220KV-BIRPARA -CHUKHA-1 24-05-2018 07:05 24-05-2018 07:49 0:00:00 0:44:00 0:00:00 0:00:00 OMSUTripped on R-B-N, R/I at Birpara: F/D: 46.30 km, F/C: Ir: 3.18 KA, Ib: 2.976

KA; Fault is under Bhutan jurisdiction.107000065888

0:00:00 1:19:00 0:00:00 8:08:00

405003 220KV-BIRPARA -CHUKHA-2 01-05-2018 14:50 01-05-2018 15:11 0:00:00 0:21:00 0:00:00 0:00:00 OMSUTripped on R-N fault under Bhutan jurisdiction. R/I at Birpara : R-N, F/D: 37.2

KM, F/C: 3.143 KA . 107000064488

405088 220KV-BIRPARA -CHUKHA-2 22-05-2018 20:41 22-05-2018 21:26 0:00:00 0:45:00 0:00:00 0:00:00 OMSU

Line tripped on R-Y-B-N Fault R/I at Birpara end (M1) ::

FD:37.64KM,Ir:3.272KA,Iy:2.994KM,Ib:4.119KA.

(M2):FD:36.92KM,FC:Ir:3.09KA,Iy:3.09KA,Ib:4.294KA.(Fault is under Bhutan

Jurisdiction).

107000065783

405104 220KV-BIRPARA -CHUKHA-2 24-05-2018 07:05 24-05-2018 07:49 0:00:00 0:44:00 0:00:00 0:00:00 OMSUTripped on B-N, R/I at Birpara: F/D: 37.83 km, F/C: Ib: 2.501 KA; Fault is

under Bhutan jurisdiction.107000065889

0:00:00 1:50:00 0:00:00 0:00:00

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


EVENT


TRIP

DATE TIME

RESTORATION

DATE TIME

Outage

Attributable to

powergrid (T)

Outage

Attributable to

Others(U)

Outage

Attributable to

System

Constraints

( C )

Deemed

Available

( D )

CATE-

GORYREASON SAP

405101 220 KV ALIPURDUAR-SALAKATI-I 23-05-2018 11:04 23-05-2018 11:04 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R successful at both end. R/I at Alipurduae: R-N, Z2, F/C: 1.358 KA, F/D:

110.6 KM .107000065828

405031 220 KV ALIPURDUAR-SALAKATI-I 07-05-2018 21:35 07-05-2018 21:35 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R operated successfully from both ends. R/I at Alipurduar Main 1: R-N,

F/D: 83km, F/C: 1.564kA. Main 2: R-N, F/D: 78km, F/C: 1.538kA.107000064916

405039 220 KV ALIPURDUAR-SALAKATI-I 09-05-2018 07:18 09-05-2018 08:13 0:00:00 0:00:00 0:55:00 0:00:00 LNCC

Tripped during heavy thunderstrom/lightning/rain in the affected area .R/I at

Alipurduar : R-N, FD-10.6 KM, F/C-7.086KA ; R/I at Salakati : R-N, FD:

76.8KM, F/C-7.107 KA.107000064997

220 KV ALIPURDUAR-SALAKATI-I 12-05-2018 12:33 12-05-2018 12:55 0:22:00 0:00:00 0:00:00 0:00:00 SPLT * Tripped due to spurious DT received at Alipurduar end due to suspected

PLCC maloperation at Salakati end107000065197

405116 220 KV ALIPURDUAR-SALAKATI-I 26-05-2018 04:16 26-05-2018 04:16 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R operated successfully at both ends. R/I at Alipurduar : R-N, FD: 81.6

KM, FC:1.68 KA. 107000066006

405119 220 KV ALIPURDUAR-SALAKATI-I 26-05-2018 05:35 26-05-2018 05:35 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R operated successfully at both ends. R/I at Alipurduar : Y-N, FD: 100.6

KM, FC:1.44 KA. 107000066009

0:22:00 0:00:00 0:55:00 0:00:00

405032 220 KV ALIPURDUAR-SALAKATI-II 07-05-2018 21:35 07-05-2018 21:35 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R operated successfully from both ends. R/I at Alipurduar Main 1: R-N,

F/D: 84.4km, F/C: 1.54kA. Main 2: R-N, F/D: 81.63km, F/C: 1.498kA.107000064917

405033 220 KV ALIPURDUAR-SALAKATI-II 07-05-2018 21:36 07-05-2018 21:36 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R operated successfully from both ends. R/I at Alipurduar Main 1: R-N,

F/D: 64.4km, F/C: 2.209kA. Main 2: R-N, F/D: 60.44km, F/C: 2.268kA.107000064919

405117 220 KV ALIPURDUAR-SALAKATI-II 26-05-2018 04:16 26-05-2018 04:16 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R operated successfully at both ends. R/I at Alipurduar : R-N, FD: 82.5

KM, FC:1.67 KA. 107000066007

405120 220 KV ALIPURDUAR-SALAKATI-II 26-05-2018 05:35 26-05-2018 05:35 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R operated successfully at both ends. R/I at Alipurduar : Y-N, FD: 100.6

KM, FC:1.393 KA. 107000066010

405102 (i) 220 KV ALIPURDUAR-SALAKATI-II 23-05-2018 11:04 23-05-2018 11:04 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R successful at both end. R/I at Alipurduae: R-N, Z2, F/C: 1.344 KA, F/D:

110.6 KM .107000065830

405157

220 KV ALIPURDUAR-SALAKATI-II

30-05-2018 12:27 30-05-2018 13:06 0:39:00 0:00:00 0:00:00 0:00:00

LEFT Tripped on R-N fault. R/I: Alipurduar end:M1:R-N,Z1,38.8KM,4.11KA,M2:R-

N,Z1,25.35KM,3.33KA Salakati end: R-N,Z1,80.45KM,1.859KA

107000066302

0:39:00 0:00:00 0:00:00 0:00:00

40595 220KV-BIRPARA-MALBASE-3 23-05-2018 06:25 23-05-2018 06:49 0:00:00 0:24:00 0:00:00 0:00:00 OMSUTripped during heavy rain & thunderstrom in the effected areaR/I at Birpara

end :R-N,, FD:41.50KM,F/C:Rph-3.98KA, Fault is under Bhutan jurisdiction.107000065800

0:00:00 0:24:00 0:00:00 0:00:00

405106 220KV-MALDA -DALKHOLA-1 24-05-2018 08:23 24-05-2018 13:59 5:36:00 0:00:00 0:00:00 0:00:00 OSPT Shut down taken for AMP work. 107000065893

405139 220KV-MALDA -DALKHOLA-1 28-05-2018 19:30 28-05-2018 19:52 0:00:00 0:00:00 0:22:00 0:00:00 GGDCH/T on no power/no Voltage condition to facilitate the same for taking into

service. 107000066190

405151 220KV-MALDA -DALKHOLA-1 30-05-2018 01:05 30-05-2018 01:22 0:00:00 0:00:00 0:17:00 0:00:00 LNCC

A/R successful at Dalkhola end but tripped at Malda end at 01:05 hrs..RI at

Dalkhola end M1 Z1, Y-N, FC-4.37,FD 13.93, M2 Y-N, FC-4.2, FD-14.0.The line

charged at 01:46 hrs.

107000066524

5:36:00 0:00:00 0:39:00 0:00:00

405111 220KV-MALDA -DALKHOLA-2 25-05-2018 08:01 25-05-2018 14:16 6:15:00 0:00:00 0:00:00 0:00:00 OSPT Shut down taken for AMP work. 107000065951

405140 220KV-MALDA -DALKHOLA-2 28-05-2018 19:30 28-05-2018 19:58 0:00:00 0:00:00 0:28:00 0:00:00 GGDCH/T on no power/no Voltage condition to facilitate the same for taking into

service. 107000066192

405152 220KV-MALDA -DALKHOLA-2 30-05-2018 01:05 30-05-2018 01:05 0:00:00 0:00:00 0:00:00 0:00:00 LART

A/R successful Both end at 01:05 hrs.R/I at Malda end Z2,YN,FC:178.4Amp.RI

at Dlk M1 Z1, YN, FC 4.3 kA, FD 13.7 KM, M2 Z1,YN, FC 4.24Ka, FD 13.72 KM. 107000066525

6:15:00 0:00:00 0:28:00 0:00:00

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


EVENT


TRIP

DATE TIME

RESTORATION

DATE TIME

Outage

Attributable to

powergrid (T)

Outage

Attributable to

Others(U)

Outage

Attributable to

System

Constraints

( C )

Deemed

Available

( D )

CATE-

GORYREASON SAP

405110 220KV-SLGUR-KISHANGANJ-2 25-05-2018 05:51 25-05-2018 05:51 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R successful at both end. R/I at Siliguri end: B-N, F/D: 107.81 KM, F/C: 1.52

KA. R/I at K'gunj end: B-N, F/D: 4.21 KM, F/C: 13.38 KA.107000065940

405127 220KV-SLGUR-KISHANGANJ-2 27-05-2018 23:27 27-05-2018 23:27 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R successful at both end. R/I at Siliguri: B-N, Z2, F/D: 98.45 KM, F/C: 1.49

KA; R/I at Kishengunj: B-N, Z1, F/C: 9.87 KA, F/D: 6.6 KM;107000066095

405128 220KV-SLGUR-KISHANGANJ-2 28-05-2018 00:27 28-05-2018 00:27 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R successful at both end. R/I at Siliguri: B-N, Z2, F/D: 105 KM, F/C: 1.153

KA; R/I at Kishengunj: B-N, Z1, F/C: 12.7 KA, F/D: 4.4 KM;107000066099

0:00:00 0:00:00 0:00:00 0:00:00

405121 400KV FARAKKA SAGARDIGHI-1 26-05-2018 07:52 26-05-2018 18:31 0:00:00 0:00:00 0:00:00 10:39:00 LCSDShutdown for stringing of Power line crossing between Loc. No: 23/0-24/0 of

Farakka-Baharampur D/C line under ERSS-XV.107000066018

0:00:00 0:00:00 0:00:00 10:39:00

405035 400KV FARAKKA-GOKARNA-1 08-05-2018 09:55 08-05-2018 20:00 10:05:00 0:00:00 0:00:00 0:00:00 OSPT To replace the B-phase CT of 442 bay of FKK-Gokarna line: I at Farakka end. 107000064952

10:05:00 0:00:00 0:00:00 0:00:00

405010 400KV-ANDAL-JAMSHEDPUR-1 02-05-2018 17:35 03-05-2018 15:57 0:00:00 0:00:00 22:22:00 0:00:00 LNCC

Line tripped on B-N fault during heavy rain and thunder-storm on the affected

area. R/I at Jamshedpur: B-N, Z1, F/D: 81.34 KM, F/C: 6.86 KA; Andal end

R/I: B-N, F/C: 2.9 KA, F/D: 125.2 KM; Charging attempt taken at 18:08 hrs

from Jamshedpur but tripped on SOTF. Now R/I at Jamshedpur end: R-B fault,

F/C: R- 8.59 KA, B-9.39 KA, F/D: 39 KM. After line patrolling, E/W clamp

operd between loc.No-293&294 found.

107000064612

405045 400KV-ANDAL-JAMSHEDPUR-1 10-05-2018 06:11 10-05-2018 19:36 0:00:00 0:00:00 13:25:00 0:00:00 LNCC


Jamshedpur hon : B-N,Z3, FD-281.9 KM, F/C-1.16KA. After patrolling ,

Earthwire of CKT-II side found opned at Loc no-49-50. 107000065076

405115 400KV-ANDAL-JAMSHEDPUR-1 25-05-2018 22:37 25-05-2018 22:37 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R operated successfully at both ends. R/I at Jamshedpur : Y-N, FD: 57.2

KM, FC:4.44 KA. R/I at Andal: Y-N, FD: 101.1KM,FC: 3.378KA.107000065994

0:00:00 0:00:00 35:47:00 0:00:00

405046 400KV-ANDAL-JAMSHEDPUR-2 10-05-2018 06:11 10-05-2018 07:42 0:00:00 0:00:00 1:31:00 0:00:00 LNCCTripped during heavy thunderstrom/lightning/rain in the affected area .R/I at

Jamshedpur hon : B-N,Z3, FD-281.1 KM, F/C-1.72KA. Charging attempt was

taken at 07:33 hrs but got tripprd on SOTF,R/I-F/C-2.43 KA,F/D-120.4KM

107000065077

405052 400KV-ANDAL-JAMSHEDPUR-2 10-05-2018 16:48 10-05-2018 19:38 2:50:00 0:00:00 0:00:00 0:00:00 OSPTShut down taken to remove the snapped Earth wire of this ckt-2, for which ckt:

1 has been tripped.107000065085

405159 400KV-ANDAL-JAMSHEDPUR-2 30-05-2018 19:53 30-05-2018 19:53 0:00:00 0:00:00 0:00:00 0:00:00 LART

A/R successful operated from both end. R/I at Andal: BN, Z2, FD-156.6 Km,

F/C-2.512KA, R/I at Jamshedpur: M-I :BN, FD-22.3 Km, F/C-8.7KA, M-II :BN,

FD-4.81 Km, F/C-8.8KA,107000066303

2:50:00 0:00:00 1:31:00 0:00:00

405007 400KV-BINAGURI -PURNEA NEW-2 02-05-2018 11:06 02-05-2018 19:24 0:00:00 8:18:00 0:00:00 0:00:00 OMSU

S/D taken for the commissioning and testing of IEC 61850 compatible Auto

reclosere relay and scheme at New Purnia i.e totally for system upgradation

purpose

107000064570

0:00:00 8:18:00 0:00:00 0:00:00

405123400KV-BINAGURI-KISUNGANJ-1-LILO

(M/s Powerlink line)27-05-2018 05:32 27-05-2018 06:21 0:00:00 0:49:00 0:00:00 0:00:00 OMSU

Tripped during thunderstorm.R/I at Binaguri: R-N, Z2,FD: 137.8KM,Fault

distance beyond line length. Line belongs to M/s Powerlink107000066051

0:00:00 0:49:00 0:00:00 0:00:00

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


EVENT


TRIP

DATE TIME

RESTORATION

DATE TIME

Outage

Attributable to

powergrid (T)

Outage

Attributable to

Others(U)

Outage

Attributable to

System

Constraints

( C )

Deemed

Available

( D )

CATE-

GORYREASON SAP

405125400KV-BINAGURI-KISUNGANJ-2-LILO

(M/s Powerlink Line)27-05-2018 06:02 27-05-2018 06:02 0:00:00 0:00:00 0:00:00 0:00:00 LART

A/R operated successfully at both ends. R/I at Binaguri: Y-N, FD:

70.91KM,FC:5.005KA.Line belongs to M/s Powerlink 107000066053

0:00:00 0:00:00 0:00:00 0:00:00

405051 400KV-BINAGURI-MALBASE-3 10-05-2018 09:25 10-05-2018 17:34 0:00:00 0:00:00 0:00:00 8:09:00 OSPD Shut down taken by Tala/ Bhutan for insulator replacement. 107000065083

405092 400KV-BINAGURI-MALBASE-3 23-05-2018 03:33 23-05-2018 03:33 0:00:00 0:00:00 0:00:00 0:00:00 LART A/R successfull at both end at 03:33 hrs of dt 23.05.18,R/I at Binaguri end M1-

Nil, M2:Y-B-N,F/D-126.20 KM,F/C-YPh:1.463,Bph:3.931KA.107000065797

405098 400KV-BINAGURI-MALBASE-3 23-05-2018 08:53 23-05-2018 09:24 0:00:00 0:31:00 0:00:00 0:00:00 OMSUTripped on B-N, Z2, R/I at Binaguri: F/D: 124.4 KM, F/C: 2.72 KA; Fault is


405134 400KV-BINAGURI-MALBASE-3 28-05-2018 18:35 28-05-2018 19:12 0:00:00 0:37:00 0:00:00 0:00:00 OMSU

Tripped during heavy rain,thunderstrom & lightening . R/I at

Binaguri:Gantok: R-B-N fault, Z1,FD-116.97 KM,F/C: Rph-4.839 KA, Bph-

4.654KA. (Fault is under Malbase/Bhutan jurisdiction)

107000066151

0:00:00 1:08:00 0:00:00 8:09:00

405114 Baharampore - Bheramara - I(Indian portion) 24-05-2018 13:38 25-05-2018 20:01 0:00:00 0:00:00 0:00:00 30:23:00 OSPDShut down taken by Bheramara/Bangladesh, for const of new bay for Bus

stability test at Bheramara/Bangladesh end.107000065971

0:00:00 0:00:00 0:00:00 30:23:00

405102(ii) Baharampore - Bheramara - II(Indian Portion) 23-05-2018 09:02 23-05-2018 16:55 0:00:00 0:00:00 0:00:00 7:53:00 OSPDShut down taken by Bheramara/Bangladesh, for const of new bay for Bus

stability test at Bheramara/Bangladesh end.107000065974

0:00:00 0:00:00 0:00:00 7:53:00

405001 400KV-BONGAIGAON -BINAGURI-1 01-05-2018 04:26 01-05-2018 20:37 0:00:00 0:00:00 0:00:00 16:11:00 LVRD H/T as per ERLDC instruction for Voltage Regulation. 107000064424

405149 400KV-BONGAIGAON -BINAGURI-1 29-05-2018 00:57 29-05-2018 00:57 0:00:00 0:00:00 0:00:00 0:00:00 LART A/R successful at both end during heavy rain, thunderstrom & lightening .

R/I at Binaguri end: R-N , Z1, FD-98.92 KM, KM,F/C: 3.288 KA. 107000066155

0:00:00 0:00:00 0:00:00 16:11:00

405118 400KV-BONGAIGAON -BINAGURI-2 26-05-2018 04:44 26-05-2018 04:44 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R operated successfully at both ends. R/I at Binaguri : R-N, FD: 137 KM,

FC:2.089 KA. 107000066008

0:00:00 0:00:00 0:00:00 0:00:00

405018 400KV-DURGAPUR -FARAKKA-1 03-05-2018 16:09 03-05-2018 16:19 0:10:00 0:00:00 0:00:00 0:00:00 SPLT

CB opened at Farakka end only on D/T recd from Durgapur end as spuruous

signal due to suspected PLCC(BPL make) problem at Durgapur end . 107000064654

405048 400KV-DURGAPUR -FARAKKA-1 10-05-2018 06:27 10-05-2018 07:40 0:00:00 0:00:00 1:13:00 0:00:00 LNCC


Durgapur : Y-N,, FD-7 KM, F/C-14.59KA. 107000065080

0:10:00 0:00:00 1:13:00 0:00:00

405049 400KV-DURGAPUR -FARAKKA-2 10-05-2018 06:27 21-05-2018 20:01 0:00:00 0:00:00 277:34:00 0:00:00 LNCC


Durgapur : Y-B,Z3, FD-9.04 KM, F/C-18.19KA. Charging attempt was taken at

07:46 hrs but got tripprd on SOTF. After patrolling it has been found that 02 nos

towers at Loc no-379 & 378 has been damaged (Bended).

Later on it is found that 02 (Two) nos A+0 towers damaged/bended at Loc no:

378 & 379.

107000065081

0:00:00 0:00:00 277:34:00 0:00:00

405070 400KV-JEERUT-SUBASHGRAM-1 15-05-2018 08:39 15-05-2018 14:25 0:00:00 0:00:00 0:00:00 5:46:00 OSPDShut down taken by Jeerat/ WBSETCL, to attend HOT-SPOT on Y-Phase line

isolator at Jeerat/ WBSETCL end.107000065370

0:00:00 0:00:00 0:00:00 5:46:00

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


EVENT


TRIP

DATE TIME

RESTORATION

DATE TIME

Outage

Attributable to

powergrid (T)

Outage

Attributable to

Others(U)

Outage

Attributable to

System

Constraints

( C )

Deemed

Available

( D )

CATE-

GORYREASON SAP

405047 400KV-MAITHON -DURGAPUR-2 10-05-2018 06:21 10-05-2018 06:57 0:00:00 0:00:00 0:36:00 0:00:00 LNCCTripped during heavy thunderstrom/lightning/rain in the affected area .R/I at

Maithan : R-N,, FD-67.9 KM, F/C-3.43KA. 107000065078

405050 400KV-MAITHON -DURGAPUR-2 10-05-2018 10:55 10-05-2018 15:06 0:00:00 0:00:00 4:11:00 0:00:00 LNCCEmergency shut down taken at Durgapur end to attend rectification of re-

setting the foundation of R-Phase LA .107000065084

0:00:00 0:00:00 4:47:00 0:00:00

405085 400KV-MAITHON -JAMSHEDPUR-2 22-05-2018 18:11 22-05-2018 18:11 0:00:00 0:00:00 0:00:00 0:00:00 LART A/R operated successfully from both end. R/I at MTN : RN, Z1, FL-72.4 Km,

F/C-4.5 KA. R/I at JSR : RN, Z1, FL-84.58 Km, F/C-1.22 KA.107000065780

405086 400KV-MAITHON -JAMSHEDPUR-2 22-05-2018 18:24 22-05-2018 18:24 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R operated successfully from both end. R/I at MTN : BN, Z1, FL-63.9 Km,

F/C-4.08 KA. R/I at JSR : RN, Z1, FL-127.25 Km, F/C-2.99 KA107000065781

0:00:00 0:00:00 0:00:00 0:00:00

405042 400KV-MAITHON -MAITHON RB-1 10-05-2018 05:21 01-06-2018 00:00 0:00:00 0:00:00 522:39:00 0:00:00 LNCC


Maithon : R-N, FD-19.13 KM, F/C-1.96KA , charging attempt taken from

Maithon end at 05:51hrs but tripped on SOTF. Later on it is found that, 03

(three) nos D+25 towers collapsed at Loc no: 63-64-65.

107000065062

0:00:00 0:00:00 522:39:00 0:00:00

405043 400KV-MAITHON -MAITHON RB-2 10-05-2018 05:21 01-06-2018 00:00 0:00:00 0:00:00 522:39:00 0:00:00 LNCC


Maithon : b-N, FD-18.67 KM, F/C-8.5KA , charging attempt taken from

Maithon end at 06:07hrs but tripped on SOTF.

Later on it is found that, 03 (three) nos D+25 towers collapsed at Loc no: 63-64-

65.

107000065063

0:00:00 0:00:00 522:39:00 0:00:00

405020 400KV-MAITHON -MEJIA-1 04-05-2018 09:21 04-05-2018 19:19 0:00:00 0:00:00 9:58:00 0:00:00 LMAC S/D taken for replacement of damaged insulator,broken by miscreants 107000064707

405080 400KV-MAITHON -MEJIA-1 18-05-2018 17:08 18-05-2018 17:08 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R successful at both end. R/I at Maithon end: M1: B-N. Z1, F/D: 44.58 KM,

F/C: 4.648 KA; M2: B-N, Z1, F/D: 48.3 KM, F/C: 4.06 KA.107000065589

0:00:00 0:00:00 9:58:00 0:00:00

405006 400KV-MAITHON -MEJIA-2 02-05-2018 09:39 02-05-2018 18:57 0:00:00 0:00:00 9:18:00 0:00:00 LMAC S/D taken for replacement of damaged Insulator broken by Misceants 107000064566

405014 400KV-MAITHON -MEJIA-2 03-05-2018 09:13 03-05-2018 19:45 0:00:00 0:00:00 10:32:00 0:00:00 LMAC S/D taken for replacement of damaged insulator,broken by miscreants 107000064624

0:00:00 0:00:00 19:50:00 0:00:00

405019 400KV-MALDA -PURNEA NEW-1 04-05-2018 01:35 04-05-2018 01:35 0:00:00 0:00:00 0:00:00 0:00:00 LART

A/R successful at both end. R/I at New Purnea: Y-N, Z1, F/D: 8.9 KM, F/C:

12.12 KA. 107000064673

405136 400KV-MALDA -PURNEA NEW-1 28-05-2018 19:04 28-05-2018 21:01 1:57:00 0:00:00 0:00:00 0:00:00 SBBTTripped only from Malda end due to Bus-Bar protection operated at Malda end

. 107000066187

405153 400KV-MALDA -PURNEA NEW-1 30-05-2018 01:22 30-05-2018 02:29 0:00:00 0:00:00 1:07:00 0:00:00 LNCC R/I at Malda end: NGR Buchholz Trip durring heavy rain. 107000066526

1:57:00 0:00:00 1:07:00 0:00:00

405071 400KV-MALDA -PURNEA NEW-2 16-05-2018 04:12 16-05-2018 04:12 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R successful from both end. R/I at Malda : Main-I: YN, FD-97.07 Km, F/C-

3.338KA, R/I at New Purnea: YN, FD-42.57 Km, F/C-5.27KA. 107000065433

405135 400KV-MALDA -PURNEA NEW-2 28-05-2018 19:04 29-05-2018 20:21 0:00:00 0:00:00 25:17:00 0:00:00 LNCC

Tripped during heavy rain,thunderstrom & lightening . R/I at Malda end: R-

N fault, FD-65.81 KM,F/C: 4.62 KA. Charging attempt taken fron New Purnia

at 20.42 hrs but the line tripped on SOTF,R/I at Purnia end :RN,FD:68

KM,FC:3.8 KA.

107000066181

0:00:00 0:00:00 25:17:00 0:00:00

405137 400KV-MALDA-FARAKKA-1 28-05-2018 19:04 28-05-2018 21:26 2:22:00 0:00:00 0:00:00 0:00:00 SBBTTripped only from Malda end due to Bus-Bar protection operated at Malda end

. 107000066188

2:22:00 0:00:00 0:00:00 0:00:00

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


EVENT


TRIP

DATE TIME

RESTORATION

DATE TIME

Outage

Attributable to

powergrid (T)

Outage

Attributable to

Others(U)

Outage

Attributable to

System

Constraints

( C )

Deemed

Available

( D )

CATE-

GORYREASON SAP

405138 400KV-MALDA-FARAKKA-2 28-05-2018 19:04 28-05-2018 22:06 3:02:00 0:00:00 0:00:00 0:00:00 SBBTTripped only from Malda end due to Bus-Bar protection operated at Malda end

. 107000066189

3:02:00 0:00:00 0:00:00 0:00:00

405156400KV-MEJIA-JAMSHEDPUR(LILO MTN-JSR-

I)30-05-2018 10:39 30-05-2018 17:47 0:00:00 0:00:00 0:00:00 7:08:00 OSPD

Shutdown taken by M/s DVC for removing looping of CT for differential

protection in panel side107000066297

400KV-MEJIA-JAMSHEDPUR(LILO MTN-JSR-

I)31-05-2018 09:04 31-05-2018 19:07 0:00:00 0:00:00 0:00:00 10:03:00 OSPD

* Shutdown taken by M/s DVC for removing looping of CT for differential

protection in panel side

0:00:00 0:00:00 0:00:00 17:11:00

405038 400KV-RANGPO-BINAGURI-1 09-05-2018 05:45 09-05-2018 05:54 0:00:00 0:00:00 0:09:00 0:00:00 LNCC

Tripped only from Rangpo end during heavy thunderstrom/lightning/rain in

the affected area but A/R successful from Binaguri end. R/I at Binaguri: RN,

FD-69.47 Km, F/C-0.268KA. R/I at Rangpo: RN, FD-33.98 Km, F/C-3.184KA.

The said line synchronised at 05:54hrs on 09.05.18 from Rangpo end.

107000064989

0:00:00 0:00:00 0:09:00 0:00:00

405090 400KV-RANGPO-BINAGURI-2 23-05-2018 00:04 23-05-2018 00:04 0:00:00 0:00:00 0:00:00 0:00:00 LART

A/R successfull at both end ,R/I at Binaguri end M1-Nil,M2:R-N,Z1,F/D-28.88

KM,F/C-7.785KA,

R/I at Rangpo end: M1:R-N,Z1,F/D-80.25 KM,F/C-3.175KA.M2:R-N,Z1,F/D-

79.8 KM,F/C-3.2KA.

107000065790

0:00:00 0:00:00 0:00:00 0:00:00

405016 400KV-RANGPO-TEESTA-1 03-05-2018 11:29 03-05-2018 12:18 0:00:00 0:49:00 0:00:00 0:00:00 OMSUHand tripped for Mock Balck start exercised by Teesta: V HPS, as per

instruction of ERLDC, vide approval, thro mail Dtd 02.05.18.107000064651

0:00:00 0:49:00 0:00:00 0:00:00

405017 400KV-RANGPO-TEESTA-2 03-05-2018 11:32 03-05-2018 12:01 0:00:00 0:29:00 0:00:00 0:00:00 OMSUHand tripped for Mock Balck start exercised by Teesta: V HPS, as per

instruction of ERLDC, vide approval, thro mail Dtd 02.05.18.107000064652

0:00:00 0:29:00 0:00:00 0:00:00

405004 400KV-SAGARDIGHI-SUBHASGRAM-1 02-05-2018 07:56 02-05-2018 08:53 0:00:00 0:57:00 0:00:00 0:00:00 OMSUS/D taken by Sagardighi(WBPDCL) for taking out L/R at their end to attend

heavy oil leakage in L/R 107000064543

405005 400KV-SAGARDIGHI-SUBHASGRAM-1 02-05-2018 08:53 02-05-2018 09:07 0:00:00 0:14:00 0:00:00 0:00:00 OMSULine charged from Subhasgram end & at time of Schchronisation Sagardighi

end breaker got tripped on DT received107000064564

405008 400KV-SAGARDIGHI-SUBHASGRAM-1 02-05-2018 11:05 02-05-2018 11:31 0:00:00 0:26:00 0:00:00 0:00:00 OMSU

Tripped on R-N fault . R/I at Subhasgram end: Z2, F/D: 221.9 KM, F/C:1.7 KA;

R/I at Sagardighi end: R-N, Z1, F/D: 1.8 KM, F/C: 8.86 KA; Fault is under

WBPDCL jurisdiction.

107000064567

405060 400KV-SAGARDIGHI-SUBHASGRAM-1 11-05-2018 18:28 11-05-2018 18:43 0:00:00 0:15:00 0:00:00 0:00:00 OMSU

A/R successful at Subhasgram end,breaker tripped at Sagardighi end/

WBPTCL, R/I at S,Gram M1-Z1,B-N,F/D-28.37KM,F/C-5.914KA,M2-Z1,B-

N,F/D-28.3KM,F/C-5.85KA. R/I at S,Dighi end-A/R unsuccessfull,Z2,B-

N,F/D-218KM,F/C-1.92KA.

107000065146

405126 400KV-SAGARDIGHI-SUBHASGRAM-1 27-05-2018 07:20 27-05-2018 13:15 0:00:00 0:00:00 0:00:00 5:55:00 OSPD

Emergency S/D taken by WBPDCL to attend hot spot in line isolator at

Sagardighi end. 107000066073

0:00:00 1:52:00 0:00:00 5:55:00

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


EVENT


TRIP

DATE TIME

RESTORATION

DATE TIME

Outage

Attributable to

powergrid (T)

Outage

Attributable to

Others(U)

Outage

Attributable to

System

Constraints

( C )

Deemed

Available

( D )

CATE-

GORYREASON SAP

403054 400KV-TALA-BINAGURI-1 01-05-2018 00:00 17-05-2018 15:38 0:00:00 0:00:00 0:00:00 399:38:00 LVRDLine kept opened as desired by the system/ERLDC. (Line remains charged as

anti theft upto Tala end, as directed ERLDC).107000061384

405075 400KV-TALA-BINAGURI-1 17-05-2018 15:38 01-06-2018 00:00 0:00:00 0:00:00 0:00:00 344:22:00 OSPD

Shutdown taken by Tala/Bhutan for restoration work at their end till 12.06.18.

The said line was open condition since 13.03.18 as per ERLDC/NLDC

instruction for voltage regulation.

107000065554

0:00:00 0:00:00 0:00:00 744:00:00

405073 400KV-TALA-BINAGURI-2 17-05-2018 15:38 23-05-2018 13:27 0:00:00 141:49:00 0:00:00 0:00:00 OMSU

Switched off to facilitate S/D of Tala-Binaguri-I by Tala/Bhutan to avoid

induction hazards. After completion of todays/17.05.18 S/D work the said

line antitheft charged from Binaguri end upto TALA at 18:00 hrs on 17.05.18 .

107000065553

0:00:00 141:49:00 0:00:00 0:00:00

404103 400KV-TALA-BINAGURI-4 28-04-2018 20:17 30-04-2018 08:48 0:00:00 0:00:00 0:00:00 36:31:00 LVRD H/T as per ERLDC instruction for Voltage Regulation. 107000064298

405069 400KV-TALA-BINAGURI-4 14-05-2018 12:39 17-05-2018 12:59 0:00:00 0:00:00 0:00:00 72:20:00 LVRD H/T as per ERLDC/NLDC instruction for Voltage Regulation. 107000065297

405091 400KV-TALA-BINAGURI-4 23-05-2018 03:33 23-05-2018 04:38 0:00:00 1:05:00 0:00:00 0:00:00 OMSU

Ttripped on Y-N,R/I at Binaguri end M1-Y-N, F/C=-Yph: 2.63KA,F/D:

209.4KM,M2:Y-B-N,Z1,F/D-147.10 KM,F/C-Yph7:4.06KA,Bph:1.193KA.(Fault

is under Bhutan jurisdiction).

107000065795

405099 400KV-TALA-BINAGURI-4 23-05-2018 08:53 23-05-2018 09:19 0:00:00 0:26:00 0:00:00 0:00:00 OMSUTripped on B-N, Z2, R/I at Binaguri: F/D: 147.10 KM, F/C: 2.003 KA; Fault is


405113 400KV-TALA-BINAGURI-4 25-05-2018 13:44 25-05-2018 14:21 0:00:00 0:37:00 0:00:00 0:00:00 OMSUA/R successful at Binaguri end only. CB opened at Tala end. R/I at Binaguri: B-

N, F/D: 119.1 KM, F/C: 3.421 KA.107000065961

405129 400KV-TALA-BINAGURI-4 28-05-2018 08:19 29-05-2018 09:40 0:00:00 0:00:00 0:00:00 25:21:00 OSPDS/D taken by Tala/Bhutan for replacement of De-capped R-phase insulator at

loc. No-TPS-58.107000066114

0:00:00 2:08:00 0:00:00 134:12:00

404080 765 KV ANGUL-JHARSUGURA-1 01-05-2018 00:00 06-05-2018 22:38 0:00:00 0:00:00 0:00:00 142:38:00 LCSD For swapping arrangement work of 765 KV Angul-Jharsugda ckt III & IV with

ckt I & II

107000063963

405148 765 KV ANGUL-JHARSUGURA-1 28-05-2018 23:07 28-05-2018 23:43 0:00:00 0:00:00 0:36:00 0:00:00 LNCC

Tripped during heavy rain,thunderstrom & lightening . R/I at Angul end: R-

N fault, FD-216.2 KM,F/C: 3.65 KA. R/I at Jharsuguda end: R-N fault, FD-57.1

KM,F/C: 5.2 KA

107000066154

0:00:00 0:00:00 0:36:00 142:38:00

404081 765 KV ANGUL-JHARSUGURA-2 01-05-2018 00:00 06-05-2018 22:44 0:00:00 0:00:00 0:00:00 142:44:00 LCSD For swapping arrangement work of 765 KV Angul-Jharsugda ckt III & IV with

ckt I & II107000063959

405055 765 KV ANGUL-JHARSUGURA-2 11-05-2018 05:59 11-05-2018 09:22 3:23:00 0:00:00 0:00:00 0:00:00 SRMTTripped due to PRV operated(Suspected mal operation) in L/R(B-ph) at

Sundergarh end,DT received at Angul end. Details under investigation.107000065165

3:23:00 0:00:00 0:00:00 142:44:00

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


EVENT


TRIP

DATE TIME

RESTORATION

DATE TIME

Outage

Attributable to

powergrid (T)

Outage

Attributable to

Others(U)

Outage

Attributable to

System

Constraints

( C )

Deemed

Available

( D )

CATE-

GORYREASON SAP

405012 400KV BARIPADA PANDIABILI-1 02-05-2018 20:14 02-05-2018 20:14 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R successful at both end. R/I at Baripada: B-N, Z1, F/D: 81.90 KM, F/C:

3.724 KA; R/I at Pandiabily: Z1, B-N, F/D: 177.5 KM, F/C: 1.80 KA.107000064572

0:00:00 0:00:00 0:00:00 0:00:00

405013 400KV- TALCHER -RENGALI-1 02-05-2018 21:44 02-05-2018 22:14 0:00:00 0:00:00 0:30:00 0:00:00 LNCCTripped on R-N fault . R/I at Rengali end: F/D: 8.785 KM, F/C:8.207 KA.

Heavy rain /thunderstorm observed in the effected area.107000064613

0:00:00 0:00:00 0:30:00 0:00:00

405011 400KV- TALCHER -ROURKELA-1 02-05-2018 19:15 02-05-2018 19:15 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R successful at both end. R/I at Rourkela: Y-N, Z1, F/C: 4.5 KA, F/D: 73.72

KM.107000064571

405036 400KV- TALCHER -ROURKELA-1 08-05-2018 10:42 08-05-2018 18:39 0:00:00 0:00:00 0:00:00 7:57:00 OSFDEmergency shut down taken to attend Oil leakage from Reactor and Air

leakage from pneumatic mechanism of main bay CB, at Talcher/ NTPC end. 107000064951

400KV- TALCHER -ROURKELA-1 12-05-2018 15:00 12-05-2018 21:12 0:00:00 0:00:00 0:00:00 6:12:00 OSPD * Shut down taken by Talcher/NTPC for replacement of Main bay CT of Y-

Phase at Talcher /NTPC end.107000065196

0:00:00 0:00:00 0:00:00 14:09:00

405082 400KV- TALCHER -ROURKELA-2 20-05-2018 17:48 20-05-2018 17:48 0:00:00 0:00:00 0:00:00 0:00:00 LART

A/R operated successfully at both ends .R/I at Rourkela:M1-Y-N,ZI,F/D-81.33

KM,F/C-4.2 KA,M2-Y-N,ZI,F/D-84.2 KM,F/C-3.98 KA.R/I at Talcher /NTPC

end:Y-N,F/C-4.13 KA,F/D-87KM.

107000065667

405084 400KV- TALCHER -ROURKELA-2 21-05-2018 16:02 21-05-2018 23:40 0:00:00 0:00:00 7:38:00 0:00:00 LNCCShutdown taken to replace Y-ph decapped insulator string at Loc no:342 due to

heavy storm107000065723

0:00:00 0:00:00 7:38:00 0:00:00

400KV-ANGUL -BOLANGIR 12-05-2018 07:26 12-05-2018 19:15 11:49:00 0:00:00 0:00:00 0:00:00 OSPT * Shut down taken for AMP work, at Bolangir end. 107000065187

405150 400KV-ANGUL -BOLANGIR 29-05-2018 18:29 29-05-2018 18:29 0:00:00 0:00:00 0:00:00 0:00:00 LART

A/R successful operated from both end. R/I at Bolangir: RN, FD-44.4 Km, F/C-

2.3 KA, R/I at Angul:RN, FD-157 Km, F/C-2.67 KA, 107000066216

11:49:00 0:00:00 0:00:00 0:00:00

405061 (ii) 400KV-BARIPADA -DUBRI-1 11-05-2018 18:39 11-05-2018 18:39 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R successful at both end ,R/I at Baripada- Z1,R-N,F/D-136.5KM,F/C-

2.35KA, R/I at Duburi end,-R-N,F/D-28.6KM,F/C-6.43KA.F/D-28.6Km.107000065147

0:00:00 0:00:00 0:00:00 0:00:00

405022400KV-BARIPADA -KEONJHAR-1 (both

LILO Portion)04-05-2018 17:59 04-05-2018 18:21 0:00:00 0:22:00 0:00:00 0:00:00 OMSU

Tripped on B-N fault,R/I at Baripada-ZI,F/D-67.39KM,F/C-4.438KA.R/I-at

Keonjhar-F/D-99.6 KM,F/C--1.8KA. Fault under OPTCL jurisdiction.10700064732

405154400KV-BARIPADA -KEONJHAR-1 (both

LILO Portion)30-05-2018 06:40 30-05-2018 22:02 0:00:00 15:22:00 0:00:00 0:00:00 OMSU

S/D taken to attend replacement of two numbers tension strings at location

No.-46107000066304

0:00:00 15:44:00 0:00:00 0:00:00

405057 400KV-BOLANGIR -JEYPORE-1 11-05-2018 07:47 11-05-2018 20:48 13:01:00 0:00:00 0:00:00 0:00:00 OSPT Shut down taken for AMP work. 107000065142

405074 400KV-BOLANGIR -JEYPORE-1 17-05-2018 16:47 17-05-2018 18:02 0:00:00 0:00:00 1:15:00 0:00:00 LNCC

During turbulent storm with heavy lightening , line tripped on 3-Phase (R-Y-

B); R/I at Jeypore: D/T recd only from Bolangir end; R/I at Bolangir: Z1,

Tripped phase: R-Y-B; F/C: R: 4.41 KA, Y: 4.86 KA, B: 4.62 KA; F/D: 03 KM;

107000065541

13:01:00 0:00:00 1:15:00 0:00:00

405083 400KV-MENDHASAL-PANDIABILI-2 20-05-2018 22:18 20-05-2018 22:18 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R successful at both end. R/I at Pandiabily end: B-N, F/D: 17.9 M, F/C: 4.5

KA .107000065673

405100 400KV-MENDHASAL-PANDIABILI-2 23-05-2018 09:07 23-05-2018 09:07 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R successful at both end. R/I: at Pandiabily end: Y-N, Z1, F/D: 22.87 KM,

F/C: 3.175 KA.107000065811

0:00:00 0:00:00 0:00:00 0:00:00

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


EVENT


TRIP

DATE TIME

RESTORATION

DATE TIME

Outage

Attributable to

powergrid (T)

Outage

Attributable to

Others(U)

Outage

Attributable to

System

Constraints

( C )

Deemed

Available

( D )

CATE-

GORYREASON SAP

403043 BOLANGIR-BUS REACTOR-1_80MVAR 01-05-2018 00:00 03-05-2018 09:46 0:00:00 0:00:00 0:00:00 57:46:00 SVRD H/T as per ERLDC instruction for Voltage Regulation. 1070000612250:00:00 0:00:00 0:00:00 57:46:00

405107 INDRAVATI- BUS REACTOR_125 MVAR 24-05-2018 08:23 24-05-2018 18:54 10:31:00 0:00:00 0:00:00 0:00:00 OSPT Shut down taken for AMP work. 10700006589010:31:00 0:00:00 0:00:00 0:00:00

404109 JEYPORE 63MVAR BUS REACTOR-1 01-05-2018 00:00 01-05-2018 00:32 0:00:00 0:00:00 0:00:00 0:32:00 SVRD Reactor kept opened as per ERLDC instruction for voltage regulation. 107000064383

405021 JEYPORE 63MVAR BUS REACTOR-1 04-05-2018 13:39 04-05-2018 22:05 0:00:00 0:00:00 0:00:00 8:26:00 SVRD H/T as per ERLDC instruction for Voltage Regulation. 107000064723

405027 JEYPORE 63MVAR BUS REACTOR-1 06-05-2018 15:06 10-05-2018 08:31 0:00:00 0:00:00 0:00:00 89:25:00 SVRD H/T as per ERLDC instruction for Voltage Regulation. 107000064858

0:00:00 0:00:00 0:00:00 98:23:00405025 JEYPORE-BUS REACTOR-2_125MVAR 05-05-2018 21:28 06-05-2018 07:59 0:00:00 0:00:00 0:00:00 10:31:00 SVRD H/T as per ERLDC instruction for Voltage Regulation. 107000064828

405079 JEYPORE-BUS REACTOR-2_125MVAR 18-05-2018 16:30 19-05-2018 07:28 0:00:00 0:00:00 0:00:00 14:58:00 SVRD H/T as per ERLDC instruction for Voltage Regulation. 107000065588

0:00:00 0:00:00 0:00:00 25:29:00405009 PANDIABELLI-BUS_REACTOR-1 02-05-2018 10:30 02-05-2018 16:36 6:06:00 0:00:00 0:00:00 0:00:00 OSPT Shut down taken for AMP work. 107000064568

6:06:00 0:00:00 0:00:00 0:00:00

405037 ROURKELA 125MVAR BUS REACTOR-1 08-05-2018 15:30 08-05-2018 20:20 4:50:00 0:00:00 0:00:00 0:00:00 SICT Tripped on operation of PRV. 107000064975

405122 ROURKELA 125MVAR BUS REACTOR-1 26-05-2018 13:36 26-05-2018 17:14 0:00:00 0:00:00 0:00:00 3:38:00 SCSDShut down taken for the integration of control of HV side Bus Reactor : I (One)

from SATCOM system.107000066021

4:50:00 0:00:00 0:00:00 3:38:00

405024 ROURKELA BUS REACTOR-2_125 MVAR 05-05-2018 09:29 05-05-2018 18:24 8:55:00 0:00:00 0:00:00 0:00:00 OSPT S/D taken for AMP work. 107000064817

405130 ROURKELA BUS REACTOR-2_125 MVAR 28-05-2018 12:36 28-05-2018 18:04 0:00:00 0:00:00 0:00:00 5:28:00 SCSDS/D taken by Rourkela for integration of control of HV side Bus reactor-II from

the STATCOM system107000066147

8:55:00 0:00:00 0:00:00 5:28:00

405072 ROURKELA CHAIBASA -I L/R 17-05-2018 12:31 17-05-2018 21:46 9:15:00 0:00:00 0:00:00 0:00:00 OSPTShutdown taken to attend DC earth fault in DC Source-I of Switchable 50

MVAR L/R at Rourkela end.107000065532

9:15:00 0:00:00 0:00:00 0:00:00

404070 MAITHAN- BUS REACTOR-1 (125MVAR) 01-05-2018 00:01 01-06-2018 00:00 0:00:00 0:00:00 0:00:00 743:59:00 SVRD H/T as per ERLDC instruction for Voltage Regulation. 107000063704

0:00:00 0:00:00 0:00:00 743:59:00

405041 RANGPO 80 MVAR BUS REACTOR-1 09-05-2018 16:51 13-05-2018 08:08 0:00:00 0:00:00 0:00:00 87:17:00 SVRD H/T as per ERLDC instruction for Voltage Regulation. 107000065014

0:00:00 0:00:00 0:00:00 87:17:00

405108 125 MVAR BUS REACTOR-2 DURGAPUR 24-05-2018 10:19 24-05-2018 13:25 0:00:00 0:00:00 0:00:00 3:06:00 SCSD For commissioning of balance Fire Fighting related work, under ERSS-IX. 107000065894

0:00:00 0:00:00 0:00:00 3:06:00

405112 125MVAR B/R-III AT DURGAPUR 25-05-2018 11:57 25-05-2018 15:24 0:00:00 0:00:00 0:00:00 3:27:00 SCSD For commissioning of balance Fire Fighting related work, under ERSS-IX. 107000065952

405061 (i) 125MVAR B/R-III AT DURGAPUR 11-05-2018 17:33 11-05-2018 19:14 1:41:00 0:00:00 0:00:00 0:00:00 OSPT Shut down taken for Isolator alignment work 107000065149

1:41:00 0:00:00 0:00:00 3:27:00

40515850MVAR switchable L/R of Sagordighi line at

Subhasgram30-05-2018 14:45 01-06-2018 00:00 0:00:00 0:00:00 0:00:00 33:15:00 SVRD

H/T as per ERLDC instruction for Voltage Regulation.107000066301

40402450MVAR switchable L/R of Sagordighi line at

Subhasgram01-05-2018 00:00 12-05-2018 12:35 0:00:00 0:00:00 0:00:00 276:35:00 SVRD Line kept opened as per ERLDC instruction for voltage regulation. 107000062867

0:00:00 0:00:00 0:00:00 309:50:00

405056 ANGUL-SUNDERGARH LINE-2_240MVAR 11-05-2018 05:59 11-05-2018 09:22 3:23:00 0:00:00 0:00:00 0:00:00 SRMTTripped due to PRV operated(Suspected mal operation) in L/R(B-ph) at

Sundergarh end107000065148

3:23:00 0:00:00 0:00:00 0:00:00

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


EVENT


TRIP

DATE TIME

RESTORATION

DATE TIME

Outage

Attributable to

powergrid (T)

Outage

Attributable to

Others(U)

Outage

Attributable to

System

Constraints

( C )

Deemed

Available

( D )

CATE-

GORYREASON SAP

405076 BIRPARA-ICT-2 18-05-2018 07:24 18-05-2018 15:29 0:00:00 8:05:00 0:00:00 0:00:00 OMSU160MVA ICT Shutdown taken for cheking of line isolator alignment for remote

operation from NTAMC i.e for system improvement purpose only107000065587

0:00:00 8:05:00 0:00:00 0:00:00

405143 160 MVA MALDA-ICT-2 28-05-2018 19:29 28-05-2018 19:54 0:00:00 0:00:00 0:25:00 0:00:00 GGDCH/T on no power/no Voltage condition to facilitate the same for taking into

service. 107000066196

405029 160 MVA MALDA-ICT-2 07-05-2018 11:19 07-05-2018 11:47 0:28:00 0:00:00 0:00:00 0:00:00 OSPT 132 KV Bus shut down taken for taking out of Bus CVT . 107000064903

0:28:00 0:00:00 0:25:00 0:00:00

405144 160MVA MALDA-ICT-1 28-05-2018 19:29 28-05-2018 20:05 0:00:00 0:00:00 0:36:00 0:00:00 GGDCH/T on no power/no Voltage condition to facilitate the same for taking into

service. 107000066197

405028 160MVA MALDA-ICT-1 07-05-2018 11:19 07-05-2018 11:47 0:28:00 0:00:00 0:00:00 0:00:00 OSPT 132 KV Bus shut down taken for taking out of Bus CVT . 107000064902

0:28:00 0:00:00 0:36:00 0:00:00

405145 50MVA MALDA-ICT-4 28-05-2018 19:28 28-05-2018 22:02 0:00:00 0:00:00 2:34:00 0:00:00 GGDCH/T on no power/no Voltage condition to facilitate the same for taking into

service. 107000066200

405030 50MVA MALDA-ICT-4 07-05-2018 11:19 07-05-2018 11:49 0:30:00 0:00:00 0:00:00 0:00:00 OSPT 132 KV Bus shut down taken for taking out of Bus CVT . 107000064904

0:30:00 0:00:00 2:34:00 0:00:00405002 NEW SILIGURI-ICT-1 01-05-2018 11:02 01-05-2018 17:57 0:00:00 6:55:00 0:00:00 0:00:00 OMSU S/D taken for Back-up O/C & E/F ralay retrofitting work 107000064456

0:00:00 6:55:00 0:00:00 0:00:00405015 NEW SILIGURI-ICT-2 03-05-2018 11:22 03-05-2018 15:57 0:00:00 4:35:00 0:00:00 0:00:00 OMSU S/D taken for conversion of Static Relay to Numerical Relay(Backup over 107000064635

0:00:00 4:35:00 0:00:00 0:00:00405023 KEONJHAR-ICT-2 04-05-2018 17:59 05-05-2018 21:48 27:49:00 0:00:00 0:00:00 0:00:00 SICT Tripped on differntial protection operated. 107000064750

27:49:00 0:00:00 0:00:00 0:00:00

405081 SUBHASHGRAM-ICT-2 (315 MVA) 20-05-2018 06:15 20-05-2018 11:43 5:28:00 0:00:00 0:00:00 0:00:00 OSPT S/D taken to attend Hot-spot on R-phase isolator of 400 KV Side. 107000065654

5:28:00 0:00:00 0:00:00 0:00:00

405062 315 MVA ICT-1 OF ALIPURDUAR 11-05-2018 12:56 11-05-2018 15:43 0:00:00 2:47:00 0:00:00 0:00:00 OMSU For replacement of ELSTER make SEM with GENUS make SEM. 107000065168

0:00:00 2:47:00 0:00:00 0:00:00

405142 315MVA MALDA-ICT-5 28-05-2018 19:04 28-05-2018 21:06 2:02:00 0:00:00 0:00:00 0:00:00 SBBT Tripped only 400 KV side on Bus Bar protection operation 107000066195

2:02:00 0:00:00 0:00:00 0:00:00

405141 315MVA MALDA-ICT-3 28-05-2018 19:04 28-05-2018 21:59 2:55:00 0:00:00 0:00:00 0:00:00 SBBT Tripped only 400 KV side on Bus Bar protection operation 107000066194

2:55:00 0:00:00 0:00:00 0:00:00

EVENT No. NAME OF LINE/ICTOutage Attributable

to powergrid(T)

Outage Attributable

to Others(U)

Outage Attributable

to System

Constraints

( C )

Deemed

Available

( D )

CATEGORY REASON

107000066359 132 KV ARA-ARA -1 14/05/18 00:42:00 14/05/18 02:06:00 0:00:00 0:00:00 1:24:00 0:00:00 LNCC TRIPPED DUE TO Y-N FAULT CAUSED BY SEVERE CYCLONE AND LIGHETING AROUND THE

FAULT AREA. FD-0.3013KM FROM ARA(PG) AND FC-5.8

0:00:00 0:00:00 1:24:00 0:00:00

107000065032 132 KV ARA-DUMRAON -1 09/05/18 09:52:00 09/05/18 19:36:00 0:00:00 0:00:00 0:00:00 9:44:00 OSPDS/D TAKEN BY BSPTCL FOR STRINGING WORK OF OPGW ON MULTI CKT TOWERS AT GSS ARA

END

107000066360 132 KV ARA-DUMRAON -1 14/05/18 00:45:00 14/05/18 01:07:00 0:00:00 0:22:00 0:00:00 0:00:00 OMSU TRIPPED FROM DUMRAO( BSPTCL END) END ONLY DUE TO R-N FAULT.

0:00:00 0:22:00 0:00:00 9:44:00

107000064324 220 KV ARA-KHAGAUL -1 01/05/18 00:00:00 15/05/18 07:58:00 0:00:00 0:00:00 0:00:00 343:58:00 LPRD KEPT OPEN FOR P/R AS PER ERLDC INSTRUCTION

107000065392 220 KV ARA-KHAGAUL -1 15/05/18 16:21:00 16/05/18 08:07:00 0:00:00 0:00:00 0:00:00 15:46:00 LPRD SWITCH OFF FOR POWER REGULATION AS PER ERLDC INSRUCTION

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL






0:00:00 0:00:00 0:00:00 701:55:00





0:00:00 0:00:00 0:00:00 708:28:00

107000066411 220 KV DALKHOLA-PURNEA -1 28/05/18 19:04:00 28/05/18 21:06:00 0:00:00 0:00:00 2:02:00 0:00:00 LNCCTRIPPED ONLY FROM DALKHOLA END DUE TO SEVERE CYLONE AND THUNDER STORM

AROUND THE AFFECTED AREA.

107000066422 220 KV DALKHOLA-PURNEA -1 08/05/18 10:05:00 08/05/18 13:30:00 3:25:00 0:00:00 0:00:00 0:00:00 OSPT S/D TAKEN TO ATTEND OIL SEEPAGE FROM Y-PH CT AT PURNEA.

3:25:00 0:00:00 2:02:00 0:00:00

107000066412 220 KV DALKHOLA-PURNEA -2 28/05/18 19:04:00 28/05/18 20:58:00 0:00:00 0:00:00 1:54:00 0:00:00 LNCCTRIPPED ONLY FROM DALKHOLA END DUE TO SEVER CYLONE AND THUNDER STORM

AROUND THE AFFECTED AREA.

0:00:00 0:00:00 1:54:00 0:00:00

107000064427 220KV ARA NADOKHAR -1 01/05/18 00:00:00 03/05/18 18:58:00 0:00:00 0:00:00 0:00:00 66:58:00 LVRD S/OFF FOR VOLTAGE REGULATION AS PER ERLDC INSTRUCTION



107000066471 220KV ARA NADOKHAR -1 31/05/18 19:31:00 31/05/18 19:59:00 0:00:00 0:00:00 0:28:00 0:00:00 LNCC TRIPPED DUE TO R-N FAULT DURING SEVERE CYCLONE AND LIGHTENING AROUND THE

FAULT AREA. FD=64.01KM FROM ARA END WITH FC=1.8KA

0:00:00 0:00:00 0:28:00 224:49:00

107000065590 220KV DEHRI SASARAM -1 18/05/18 08:17:00 18/05/18 13:11:00 0:00:00 4:54:00 0:00:00 0:00:00 OMSUS/D TAKEN FOR FOR R-PH CVT REPLACEMENT DUE TO SECONDARY VOLTAGE VIOLATION

CAUSED BY FREQUENT FAULT FEEDING BY DOWNSTREM SYSTEM

107000066466 220KV DEHRI SASARAM -1 31/05/18 18:33:00 01/06/18 00:00:00 0:00:00 5:27:00 0:00:00 0:00:00 OMSU TRIPPED DUE TO R-B FAULT, FD=19.55KM FROM SASARAM END (BSPTCL JURISDICTION) WITH

FC: Ir=4.86KA, Ib=4.7KA.

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


0:00:00 10:21:00 0:00:00 0:00:00

107000065332 220KV GAYA BODHGAYA -1 14/05/18 02:02:00 14/05/18 11:12:00 0:00:00 0:00:00 0:00:00 9:10:00 LVRD LINE HAND TRIPPED FOR VOLTAGE REGULATION AS PER ERLDC INSTRUCTION

107000066350 220KV GAYA BODHGAYA -1 08/05/18 20:38:00 08/05/18 21:02:00 0:00:00 0:24:00 0:00:00 0:00:00 OMSU TRIPPED DUE TO 150MVA ICT-II HV SIDE CT BLAST AT BODHGAYA

107000066387 220KV GAYA BODHGAYA -1 26/05/18 12:06:00 26/05/18 12:28:00 0:00:00 0:22:00 0:00:00 0:00:00 OMSU TRIPPED DUE TO Y-B FAULT. FD-65.6KM FROM GAYA,ZONE-3( BSPTCL JURISDICTION), Iy-2.98KA,

Ib-2KA

107000066454 220KV GAYA BODHGAYA -1 28/05/18 21:41:00 28/05/18 22:01:00 0:00:00 0:20:00 0:00:00 0:00:00 OMSU TRIPPED DUE TO THREE PHASE FAULT IN ZONE-III DUE TO PROBLEM AT KHIJIRSARAI

(BSPTCL END).

0:00:00 1:06:00 0:00:00 9:10:00

107000066455 220KV GAYA BODHGAYA -2 28/05/18 21:41:00 28/05/18 22:02:00 0:00:00 0:21:00 0:00:00 0:00:00 OMSUTRIPPED DUE TO THREE PHASE FAULT IN ZONE-III DUE TO PROBLEM AT KHIJIRSARAI

(BSPTCL END).

107000066352 220KV GAYA BODHGAYA -2 08/05/18 20:38:00 08/05/18 21:00:00 0:00:00 0:22:00 0:00:00 0:00:00 OMSU TRIPPED DUE TO 150MVA ICT-II HV SIDE CT BLAST AT BODHGAYA.

107000066390 220KV GAYA BODHGAYA -2 26/05/18 12:06:00 26/05/18 12:29:00 0:00:00 0:23:00 0:00:00 0:00:00 OMSUTRIPPED DUE TO Y-B FAULT. FD-64.3KM FROM GAYA,ZONE-3( BSPTCL JURISDICTION), Iy-2.98KA,

Ib-2.8KA

0:00:00 1:06:00 0:00:00 0:00:00

107000065481 220KV GAYA DEHRI -1 05/05/18 10:59:00 05/05/18 12:00:00 0:00:00 0:00:00 0:00:00 1:01:00 LPRD SWITCH OFF FOR POWER REGULATION AS PER ERLDC INSRUCTION

0:00:00 0:00:00 0:00:00 1:01:00

107000065482 220KV GAYA DEHRI -2 05/05/18 10:59:00 05/05/18 12:00:00 0:00:00 0:00:00 0:00:00 1:01:00 LPRD SWITCH OFF FOR POWER REGULATION AS PER ERLDC INSRUCTION

107000066403 220KV GAYA DEHRI -2 28/05/18 14:17:00 28/05/18 14:59:00 0:00:00 0:42:00 0:00:00 0:00:00 OMSUTRIPPED ONLY FROM DEHRI END.A/R SUCCESSFUL AT GAYA END.F.D.=70.8 KM FROM GAYA

(BSPTCL JURIDISCTION),F.C.=2.2 KAMP.

107000066392 220KV GAYA DEHRI -2 26/05/18 15:02:00 26/05/18 15:16:00 0:00:00 0:14:00 0:00:00 0:00:00 OMSU TRIPPED DUE TO B-N FAULT. FD-35.5KM FROM GAYA ( BSPTCL JURISDICTION), FC-3.21KA.

0:00:00 0:56:00 0:00:00 1:01:00

107000066488 220KV PURNEA-NEW PURNEA-1 28/05/18 19:04:00 28/05/18 19:49:00 0:00:00 0:00:00 0:45:00 0:00:00 GGDC TRIPPED ON DIRECTIONAL EARTH FAULT PROTECTION DUE TO DISTURBANCE AT MALDA

107000066361 220KV PURNEA-NEW PURNEA-1 15/05/18 10:16:00 15/05/18 18:55:00 8:39:00 0:00:00 0:00:00 0:00:00 OSPT S/D TAKEN FOR ISOLATOR ALIGNMENT WORK AT NEW PURNEA.

8:39:00 0:00:00 0:45:00 0:00:00

107000066424 220KV PURNEA-NEW PURNEA-2 17/05/18 09:58:00 17/05/18 19:30:00 9:32:00 0:00:00 0:00:00 0:00:00 OSPT S/D TAKEN FOR LINE ISOLATOR ALIGNMENT WORK AT NEW PURNEA.

107000066489 220KV PURNEA-NEW PURNEA-2 28/05/18 19:04:00 28/05/18 20:10:00 0:00:00 0:00:00 1:06:00 0:00:00 GGDC TRIPPED ON DIRECTIONAL EARTH FAULT PROTECTION DUE TO DISTURBANCE AT MALDA

9:32:00 0:00:00 1:06:00 0:00:00

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


107000066458 220KV RANCHI-CHANDIL-1 30/05/18 18:11:00 30/05/18 18:37:00 0:00:00 0:26:00 0:00:00 0:00:00 OMSU TRIPPED DUE TO R-N FAULT. F.D.= 26.7 KM FROM RANCHI (JUSNL JURISDICTION) WITH F.C.=

4.41 KA

107000066408 220KV RANCHI-CHANDIL-1 28/05/18 17:13:00 29/05/18 19:35:00 0:00:00 26:22:00 0:00:00 0:00:00 OMSU TRIPPED IN R-B FAULT.F.D.=18.3 KM FROM RANCHI (JUSNL JURIDISCTION),F.C.=Ir-5.42

KAMP,Ib=7.23 KAMP.

107000065963 220KV RANCHI-CHANDIL-1 20/05/18 16:34:00 20/05/18 17:53:00 0:00:00 1:19:00 0:00:00 0:00:00 OMSU TRIPPED DUE TO Y-N FAULT FD-22.53KM FROM RANCHI(JUSNL JURISDICTION) FC-3.95KA.

107000066400 220KV RANCHI-CHANDIL-1 27/05/18 23:09:00 27/05/18 23:32:00 0:00:00 0:00:00 0:23:00 0:00:00 LNCCTRIPPED DUE TO R-N FAULT DURING SEVERE CYCLONE AND LIGHETING AROUND THE

FAULT AREA. FD- 4.3 KM FROM RANCHI AND FC- 7.4KA

0:00:00 28:07:00 0:23:00 0:00:00

107000066407 220KV RANCHI-HATIA-1 28/05/18 17:10:00 28/05/18 17:10:00 0:00:00 0:00:00 0:00:00 0:00:00 LART A/R SUCESSFULLY OPERATED FROM BOTH END DUE TO B-N FAULT.F.D.=7.8 KM FROM

RANCHI,F.C.=5.25 KAMP.(JUSNL JURISDICTION)

107000066459 220KV RANCHI-HATIA-1 30/05/18 18:22:00 31/05/18 12:51:00 0:00:00 18:29:00 0:00:00 0:00:00 OMSUTRIPPED ON R-B FAULT. FD= 16 KM FROM RANCHI (JUSNL JURISDICTION) WITH F.C= Ir=4 KA

AND Ib=4.73KA

107000066345 220KV RANCHI-HATIA-1 05/05/18 14:57:00 05/05/18 17:43:00 0:00:00 0:00:00 0:00:00 2:46:00 OSFD EMERGENCY S/D TAKEN BY JUSNL FOR REPLACEMENT OF DAMAGED AND MELTED

HARDAWARE FITTINGS OF LINE ISOLATORS AT HATIA.

0:00:00 18:29:00 0:00:00 2:46:00

107000066460 220KV RANCHI-HATIA-2 30/05/18 18:22:00 31/05/18 13:43:00 0:00:00 19:21:00 0:00:00 0:00:00 OMSUTRIPPED ON R-B FAULT. FD= 18.8 KM FROM RANCHI (JUSNL JURISDICTION) WITH F.C= Ir= 3.74

KA AND Ib=4.28 KA.

107000066399 220KV RANCHI-HATIA-2 27/05/18 23:07:00 27/05/18 23:34:00 0:00:00 0:27:00 0:00:00 0:00:00 OMSUTRIPPED ONLY FROM HATIA END DUE TO R-N FAULT. FD-1.3 KM FROM RANCHI AND FC- 12.6

KA. A/R SUCESSFULLY OPERATED FROM RANCHI

107000065964 220KV RANCHI-HATIA-2 20/05/18 16:34:00 20/05/18 18:04:00 0:00:00 1:30:00 0:00:00 0:00:00 OMSUA/R SUCESSFULLY OPERATED FROM RANCHI END BUT TRIPPED FROM HATIA END DUE TO Y-

N FAULT.FD-16.293KM( JUSNL JURISDICTION) AND FC-4.028KA.

0:00:00 21:18:00 0:00:00 0:00:00

107000065298 220KV SASARAM ARA-1 14/05/18 06:39:00 14/05/18 13:17:00 0:00:00 0:00:00 0:00:00 6:38:00 LPRD H/T ON P/R AS PER ERLDC INSTRUCTION

107000065522 220KV SASARAM ARA-1 15/05/18 08:52:00 15/05/18 18:29:00 0:00:00 9:37:00 0:00:00 0:00:00 OMSU S/D TAKEN FOR FOR B-PH CVT REPLACEMENT DUE TO SECONDARY VOLTAGE VIOLATION


0:00:00 9:37:00 0:00:00 6:38:00

107000065516 220KV SASARAM NADOKHAR -1 16/05/18 08:19:00 16/05/18 14:21:00 0:00:00 6:02:00 0:00:00 0:00:00 OMSU S/D TAKEN FOR FOR CVT REPLACEMENT DUE TO SECONDARY VOLTAGE VIOLATION


0:00:00 6:02:00 0:00:00 0:00:00

107000065515 220KV SASARAM SAHUPURI-1 17/05/18 11:08:00 17/05/18 20:08:00 0:00:00 9:00:00 0:00:00 0:00:00 OMSU S/D TAKEN FOR FOR Y-PH CVT REPLACEMENT DUE TO SECONDARY VOLTAGE VIOLATION


107000065962 220KV SASARAM SAHUPURI-1 20/05/18 15:58:00 20/05/18 18:17:00 0:00:00 2:19:00 0:00:00 0:00:00 OMSU TRIPPED DUE TO R-Y FAULT. FD-124.9KM FROM SASARAM( UPPCL JURISDICTION) FC-Ir-

1.44KA AND Iy-1.809KA.

0:00:00 11:19:00 0:00:00 0:00:00

107000066456 400 KV BIHARSHARIF-BALIA-1 29/05/18 16:56:00 29/05/18 17:28:00 0:00:00 0:32:00 0:00:00 0:00:00 OMSUTO FACILITATE THE CHARGING OF 400 KV NEW PURNEA- BIHARSHARIFF -2 IN THE SAME DIA

AT BIHARSHARIFF DUE TO UNAVAILIBILITY OF ITS MAIN BAY AT BIHARSHARIFF.

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


107000066397 400 KV BIHARSHARIF-BALIA-1 27/05/18 17:16:00 27/05/18 17:57:00 0:00:00 0:41:00 0:00:00 0:00:00 OMSUTRIPPED ONLY FROM BIHARSHARIFF DUE TO NON AVAILABILITY OF ITS MAIN BAY AT

BIHARSHARIFF DURING TRIPPING OF 400KV BIHARSHARIFF -NEW PURNEA-II( ENICL LINE) IN

ITS DIA

0:00:00 1:13:00 0:00:00 0:00:00

107000066476 400 KV BIHARSHARIF-BALIA-2 31/05/18 21:34:00 31/05/18 21:34:00 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R SUCCESSFULLY OPERATED FROM BOTH END DUE TO R-N FAULT, FD=68.1KM FROM BSF

END WITH FC=5.56KA.

0:00:00 0:00:00 0:00:00 0:00:00

107000065842 400 KV CHAIBASA-ROURKELA-1 20/05/18 16:42:00 21/05/18 14:36:00 0:00:00 0:00:00 21:54:00 0:00:00 LNCCTRIPPED DUE TO R-N FAULT CAUSED BY THUNDERSTORM AND LIGHTENING AROUND THE

FAULT AREA. FD-0.93KM FROM ROURKELA AND FC-22.

0:00:00 0:00:00 21:54:00 0:00:00

107000065224 400 KV CHAIBASA-ROURKELA-2 07/05/18 16:38:00 07/05/18 17:30:00 0:00:00 0:00:00 0:52:00 0:00:00 LNCCTRIPPED ON Y-N FAULT. F.D.= 45.92 KM FROM RKL WITH F.C.= 4.765 KA. TRIPPED DURING

SEVERE CYCLONE AND LIGHTENING IN AND AROU

0:00:00 0:00:00 0:52:00 0:00:00

107000065883 400 KV JAMSHEDPUR-BARIPADA-2 02/05/18 18:22:00 02/05/18 18:22:00 0:00:00 0:00:00 0:00:00 0:00:00 LART AUTORECLOSED SUCCESSFULLY FROM BOTH ENDS ON B-N FAULT . F.D.= 60.6 KM FROM JSR

WITH F.C.= 6.15 KA.

0:00:00 0:00:00 0:00:00 0:00:00

107000065226 400 KV KHALGAON MAITHON-1 08/05/18 09:44:00 08/05/18 18:30:00 0:00:00 0:00:00 8:46:00 0:00:00 LNCCS/D TAKEN FOR REPLACEMENT OF DECAPPED INSULATORS CAUSED BY SEVERE LIGHTENING

AT LOC.344,369 AND 420

0:00:00 0:00:00 8:46:00 0:00:00

107000066355 400 KV RANCHI-MAITHON -1 10/05/18 14:41:00 10/05/18 14:41:00 0:00:00 0:00:00 0:00:00 0:00:00 LART A/R SUCESSFULLY OPERATED FROM BOTH END DUE TO R-N FAULT.F.D.=84.8 KM FROM

RANCHI,F.C.=4.23 KAMP.

0:00:00 0:00:00 0:00:00 0:00:00

107000065190 400 KV RANCHI-MAITHON RB-1 11/05/18 18:45:00 11/05/18 20:51:00 0:00:00 0:00:00 0:00:00 2:06:00 OSFDEMERGENCY S/D TAKEN TO ATTEND HOT SPOT IN ITS Y-PH LINE ISOLATOR AT MTN(RB) END.

S/D TAKEN BY MPL.

107000066357 400 KV RANCHI-MAITHON RB-1 11/05/18 14:05:00 11/05/18 14:05:00 0:00:00 0:00:00 0:00:00 0:00:00 LART A/R SUCESSFULLY OPERETED FROM BOTH END DUE TO B-N FAULT. FD-135.5KM FROM

RANCHI & FC-2.54 AND FROM MAITHON(RB) FD-

107000066011 400 KV RANCHI-MAITHON RB-1 25/05/18 20:33:00 25/05/18 20:40:00 0:00:00 0:00:00 0:07:00 0:00:00 LNCCTRIPPED DUE TO UNSUCCESSFUL A/R AT MAITHAN (RB) END, A/R SUCCESSFUL AT RANCHI

END DUE TO Y-N FAULT, F.D=126.8 KM FROM RANCHI, F.C=2.83KA.

107000066362 400 KV RANCHI-MAITHON RB-1 15/05/18 11:15:00 16/05/18 06:30:00 0:00:00 0:00:00 19:15:00 0:00:00 LNCCTRIPPED ON R-N FAULT. FD-91.4KM FROM RANCHI AND FC-3.65KA. INSULATOR DECAPPING

HAPPENED AT LOC. 213 DURING SEVERE LIGHTENING AND CYCLONE AROUND THE FAULT

AREA.

107000066426 400 KV RANCHI-MAITHON RB-1 25/05/18 20:33:00 25/05/18 20:40:00 0:00:00 0:07:00 0:00:00 0:00:00 OMSU TRIPPED DUE TO UNSUCCESSFUL A/R AT MAITHAN (RB) END, A/R SUCCESSFUL AT RANCHI

END DUE TO Y-N FAULT, F.D=126.8 KM FROM RANCHI, F.C=2.83KA.

107000065858 400 KV RANCHI-MAITHON RB-1 02/05/18 16:17:00 02/05/18 16:25:00 0:00:00 0:08:00 0:00:00 0:00:00 OMSU TRIPPED FROM MAITHAN (RB) END ONLY DUE TO PROBLEM AT THEIR END.

107000066409 400 KV RANCHI-MAITHON RB-1 28/05/18 17:22:00 28/05/18 17:22:00 0:00:00 0:00:00 0:00:00 0:00:00 LART A/R SUCESSFULLY OPERATED FROM BOTH END DUE TO R-N FAULT. FD-27.5 KM FROM

RANCHI AND FC-10.04 KA.

0:00:00 0:15:00 19:22:00 2:06:00

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


107000065848 400 KV RANCHI-MAITHON RB-2 02/05/18 15:55:00 02/05/18 16:36:00 0:00:00 0:00:00 0:41:00 0:00:00 LNCCTRIPPED ON R-N FAULT.F.D.= 21.9 KM FROM RNC WITH F.C.= 11.86 KA. LINE TRIPPED DUE TO

HEAVY RAIN AND THUNDERSTORM AROUND TH

107000066396 400 KV RANCHI-MAITHON RB-2 27/05/18 14:12:00 27/05/18 14:22:00 0:00:00 0:00:00 0:10:00 0:00:00 LNCCTRIPPED DUE TO R-N FAULT DURING SEVERE CYCLONE AND LIGHETING AROUND THE

FAULT AREA. FD-22.8KM FROM RANCHI AND FC-11.55KA.

107000066427 400 KV RANCHI-MAITHON RB-2 27/05/18 14:12:00 27/05/18 14:22:00 0:00:00 0:00:00 0:10:00 0:00:00 LNCCTRIPPED DUE TO R-N FAULT DURING SEVERE CYCLONE AND LIGHETING AROUND THE

FAULT AREA.. FD-22.8KM FROM RANCHI AND FC-11.55K

0:00:00 0:00:00 1:01:00 0:00:00

107000065288 400 KV RANCHI-RAGHUNATHPUR-1 13/05/18 15:51:00 13/05/18 15:51:00 0:00:00 0:00:00 0:00:00 0:00:00 LARTAUTORECLOSED SUCCESSFUL FROM BOTH END DUE TO B-N FAULT, F.D=137.4KM FROM RNC,

F.C=2.6KA.

107000066402 400 KV RANCHI-RAGHUNATHPUR-1 28/05/18 07:29:00 28/05/18 18:03:00 0:00:00 0:00:00 0:00:00 10:34:00 OSPD S/D TAKEN BY DVC FOR JUMPER POINT CHECKING

0:00:00 0:00:00 0:00:00 10:34:00

107000065884 400 KV RANCHI-ROURKELA-1 02/05/18 17:57:00 02/05/18 17:57:00 0:00:00 0:00:00 0:00:00 0:00:00 LART AUTORECLOSED ON B-N FAULT. F.D.= 145.2 KM FROM RNC WITH F.C.= 2.41 KA

0:00:00 0:00:00 0:00:00 0:00:00

107000066367 400 KV RANCHI-ROURKELA-2 18/05/18 17:34:00 18/05/18 17:34:00 0:00:00 0:00:00 0:00:00 0:00:00 LART A/R SUCESSFULLY OPERATED FROM BOTH SIDES DUE TO Y-N FAULT. FD-1.3KM FROM

ROURKELA AND FC-20KA. AND DETAILS FROM RANCHI - F

0:00:00 0:00:00 0:00:00 0:00:00

107000065761 400 KV TATA DVC-BARIPADA-1 22/05/18 08:01:00 22/05/18 14:59:00 0:00:00 0:00:00 0:00:00 6:58:00 OSPD S/D TAKEN BY DVC TO CORRECT THE LOW CLEARANCE BETWEEN TOP GAURD WIRE FROM

TOP CONDUCTOR(B PHASE) IN SPAN BETWEEN DEAD END

107000066366 400 KV TATA DVC-BARIPADA-1 18/05/18 14:11:00 18/05/18 18:14:00 0:00:00 0:00:00 4:03:00 0:00:00 LNCCS/D TAKEN FOR ATTENDING BROKEN INSULATOR STRING HANGER AT LOC NO 112( B PH

TOP) DURING SEVERE CYCLONE AND LIGHTENING AROUND

107000066364 400 KV TATA DVC-BARIPADA-1 16/05/18 15:55:00 16/05/18 15:55:00 0:00:00 0:00:00 0:00:00 0:00:00 LART A/R SUCESSFULLY OPERATED FROM BOTH END DUE TO R-N FAULT, F.D=15.82 KM FROM

TISCO, F.C=6.14KA.

0:00:00 0:00:00 4:03:00 6:58:00

107000066452 400KV BANKA BIHARSARIF-1 28/05/18 19:35:00 28/05/18 19:35:00 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R SUCCESSFULLY OPERATED FROM BOTH END DUE TO B-N FAULT.F.D.=168.5 KM FROM

BANKA,F.C.=3.104 KMP.

0:00:00 0:00:00 0:00:00 0:00:00

107000066453 400KV BANKA BIHARSARIF-2 28/05/18 20:25:00 28/05/18 20:25:00 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R SUCCESSFULLY OPERATED FROM BOTH END DUE TO Y-N FAULT.F.D.=104.8 KM FROM

BANKA,F.C.=3.205KMP

107000066461 400KV BANKA BIHARSARIF-2 31/05/18 08:40:00 31/05/18 18:49:00 0:00:00 0:00:00 10:09:00 0:00:00 LNCC S/D TAKEN FOR REPLACEMENT OF INSULATORS DAMAGED DURING SEVERE LIGHTENING

AT LOC NO 330.

0:00:00 0:00:00 10:09:00 0:00:00

107000065331 400KV BARH PATNA -3 14/05/18 01:35:00 14/05/18 13:30:00 0:00:00 0:00:00 0:00:00 11:55:00 LVRD LINE KEPT OPENED FOR VOLTAGE REGULATION AS PER ERLDC INSTRUCTION.THERE WAS

HIGH VOLTAGE AT BARH END.

107000065330 400KV BARH PATNA -3 14/05/18 01:25:00 14/05/18 01:35:00 0:00:00 0:00:00 0:10:00 0:00:00 LNCC TRIPPED DUE TO R-N FAULT CAUSED BY HEAVY RAIN AND THUNDERSTORM AROUND THE

FAULT AREA. FD-63.1KM FROM PATNA AND FC-4.21KA.

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


0:00:00 0:00:00 0:10:00 11:55:00

107000066384 400KV BARH PATNA-1 26/05/18 10:57:00 26/05/18 21:45:00 0:00:00 10:48:00 0:00:00 0:00:00 OMSU S/D TAKEN FOR REPLACEMENT OF PORCELAIN INSULATORS BY POLYMER IN MULTI CKT

TOWERS.

107000066382 400KV BARH PATNA-1 25/05/18 08:53:00 25/05/18 19:29:00 0:00:00 10:36:00 0:00:00 0:00:00 OMSU S/D TAKEN FOR REPLACEMENT OF PORCELAIN INSULATORS BY POLYMER IN MULTI CKT

TOWERS.

0:00:00 21:24:00 0:00:00 0:00:00

107000065326 400KV BARH-MOTIHARI-1 (LILO BARH-GKP) 14/05/18 00:56:00 14/05/18 02:02:00 0:00:00 0:00:00 1:06:00 0:00:00 LNCC TRIPPED DUE TO B-N FAULT CAUSED BY HEAVY RAIN AND THUNDERSTORM AROUND THE

FAULT AREA. FD-159.6KM FROM BARH AND FC-2.685KA.

0:00:00 0:00:00 1:06:00 0:00:00

107000065327 400KV BARH-MOTIHARI-2(LILO BARH-GKP) 14/05/18 00:56:00 14/05/18 01:11:00 0:00:00 0:00:00 0:15:00 0:00:00 LNCC TRIPPED DUE TO R-N FAULT CAUSED BY HEAVY RAIN AND THUNDERSTORM AROUND THE

FAULT AREA. FD-179.1KM FROM BARH AND FC-2.397KA

107000065328 400KV BARH-MOTIHARI-2(LILO BARH-GKP) 14/05/18 01:11:00 14/05/18 10:40:00 0:00:00 0:00:00 0:00:00 9:29:00 LVRD KEPT OPENED FOR VOLTAGE REGULATION AS PER ERLDC INSTRUCTION. THERE WAS HIGH

VOLTAGE AT BARH END.

107000066463 400KV BARH-MOTIHARI-2(LILO BARH-GKP) 31/05/18 16:11:00 31/05/18 16:20:00 0:00:00 0:00:00 0:09:00 0:00:00 LNCC TRIPPED DUE TO Y-N FAULT DURING SEVERE CYCLONE AND LIGHTENING AROUND THE

FAULT AREA FD=8.5KM FROM BARH END WITH FC=13.8KA

0:00:00 0:00:00 0:24:00 9:29:00

107000066474 400KV BIHARSARIF SASARAM-2 31/05/18 20:19:00 31/05/18 20:59:00 0:00:00 0:00:00 0:40:00 0:00:00 LNCC TRIPPED DUE TO Y-N FAULT DURING SEVERE CYCLONE AND LIGHTENING AROUND THE

FAULT AREA. FD=148.6KM FROM BSF END WITH FC=2.7KA

0:00:00 0:00:00 0:40:00 0:00:00

107000066475 400KV CHANDWA GAYA-1 31/05/18 20:29:00 31/05/18 20:29:00 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R SUCCESSFULLY OPERATED FROM BOTH END DUE TO B-N FAULT, FD=20.6KM FROM GAYA

END WITH FC=8.8KA

0:00:00 0:00:00 0:00:00 0:00:00

107000065028 400KV GAYA MAITHON-1 09/05/18 08:39:00 09/05/18 19:21:00 0:00:00 0:00:00 10:42:00 0:00:00 LMACSHUT DOWN TAKEN FOR REPLACEMENT OF INSULATORS DAMAGED BY MISCREANTS IN

MULTI CKT PORTION.

107000066473 400KV GAYA MAITHON-1 31/05/18 20:17:00 31/05/18 20:47:00 0:00:00 0:00:00 0:30:00 0:00:00 LNCCTRIPPED DUE TO R-N FAULT DURING SEVERE CYCLONE AND LIGHTENING AROUND THE

FAULT AREA. FD=41.8KM FROM GAYA END WITH FC=2.41KA

107000066404 400KV GAYA MAITHON-1 28/05/18 15:32:00 29/05/18 13:31:00 0:00:00 0:00:00 21:59:00 0:00:00 LNCCTRIPPED DUE TO Y-N FAULT DURING SEVERE CYCLONE AND LIGHETING AROUND THE FAULT

AREA.F.D.=98 KM FROM GAYA,F.C.=3.4 KAMP.

0:00:00 0:00:00 33:11:00 0:00:00

107000064447 400KV GAYA MAITHON-2 30/04/18 07:40:00 30/04/18 07:40:00 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R SUCCESSFULLY OPERATED IN B-N FAULT.F.D=319 KM FROM GAYA,F.C.=1.38 KAMP.THERE

WAS HEAVY THUNDERSTORM AROUND THE AFFECTED AREA.

0:00:00 0:00:00 0:00:00 0:00:00

107000065188 400KV KHALGAON BARH-1 12/05/18 09:17:00 12/05/18 19:44:00 10:27:00 0:00:00 0:00:00 0:00:00 OSPT S/D TAKEN TO ATTEND JUMPER RECTIFICATION WORK AT LOC. LILO 57

107000066410 400KV KHALGAON BARH-1 28/05/18 18:58:00 28/05/18 19:08:00 0:00:00 0:10:00 0:00:00 0:00:00 OMSUTRIPPED FROM BARH END ONLY.A/R SUCCESSFUL AT KAHALGAON END.F.D.=164 KM FROM

BARH,F.C.=2.7 KAMP

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


107000066393 400KV KHALGAON BARH-1 26/05/18 15:39:00 26/05/18 20:26:00 0:00:00 4:47:00 0:00:00 0:00:00 OMSUTO FACILITATE THE S/D OF 400KV KAHALGAON - BARH-2 DUE TO INDUCTION AT MULTI CKT

TOWER.

10:27:00 4:57:00 0:00:00 0:00:00

107000066451 400KV KHALGAON BARH-2 28/05/18 19:23:00 28/05/18 19:23:00 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R SUCCESSFULLY OPERATED FROM BOTH END DUE TO B-N FAULT.F.D.=162.6 KM FROM

BARH,F.C.=3.104 KAMP.

107000066385 400KV KHALGAON BARH-2 26/05/18 10:58:00 26/05/18 21:11:00 0:00:00 10:13:00 0:00:00 0:00:00 OMSUS/D TAKEN FOR REPLACEMENT OF PORCELAIN INSULATORS BY POLYMER IN MULTI CKT

TOWERS.

107000066383 400KV KHALGAON BARH-2 25/05/18 08:50:00 25/05/18 19:37:00 0:00:00 10:47:00 0:00:00 0:00:00 OMSUS/D TAKEN FOR REPLACEMENT OF PORCELAIN INSULATORS BY POLYMER IN MULTI CKT

TOWERS.

0:00:00 21:00:00 0:00:00 0:00:00

107000065591 400KV KHALGAON LAKHISARAI-1 18/05/18 11:38:00 18/05/18 12:06:00 0:28:00 0:00:00 0:00:00 0:00:00 OSPT S/D TAKEN FOR TAKING ITS L/R AT LAKHISARAI END

107000065514 400KV KHALGAON LAKHISARAI-1 17/05/18 08:01:00 17/05/18 08:35:00 0:34:00 0:00:00 0:00:00 0:00:00 OSPT S/D TAKEN FOR S/OFF OF ITS LINE REACTOR AT LAKHISARAI END FOR AMP WORKS.

1:02:00 0:00:00 0:00:00 0:00:00

107000064896 400KV KHALGAON MAITHON-2 07/05/18 10:01:00 07/05/18 18:40:00 0:00:00 0:00:00 8:39:00 0:00:00 LNCCS/D TAKEN FOR REPLACEMENT OF DECAPPED INSULATORS CAUSED BY SEVERE LIGHTENING

AT LOC. 281,283,292,364.

0:00:00 0:00:00 8:39:00 0:00:00

107000065653 400KV KISHANGANJ PATNA -1 20/05/18 01:38:00 20/05/18 01:49:00 0:00:00 0:00:00 0:11:00 0:00:00 LNCCTRIPPED DUE TO Y-N FAULT CAUSED BY HEAVY RAIN AND THUNDERSTORM AROUND THE

FAULT AREA.DETAILS FROM PATNA- FD-60.29KM & FC-5.6KA. DETAILS FROM KISHANGANJ- FD-

263.8KM & FC-1.38KA

107000066478 400KV KISHANGANJ PATNA -1 31/05/18 22:14:00 31/05/18 22:14:00 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R SUCCESSFULLY OPERATED FROM BOTH END DUE TO R-N FAULT, FD=6.75KM FROM PATNA

END WITH FC=13.62KA

0:00:00 0:00:00 0:11:00 0:00:00

107000066497 400KV KISHANGANJ PATNA-2 03/05/18 18:27:00 03/05/18 18:55:00 0:00:00 0:00:00 0:28:00 0:00:00 GOVC TRIPPED DUE TO OVER VOLTAGE AT PATNA.

107000066349 400KV KISHANGANJ PATNA-2 08/05/18 12:36:00 08/05/18 12:36:00 0:00:00 0:00:00 0:00:00 0:00:00 LART A/R SUCESSFULLY OPERATED FROM BOTH END DUE TO R-N FAULT. FD-99.2KM FROM

KISHANAGANJ END AND FC-3.22KA

107000066401 400KV KISHANGANJ PATNA-2 28/05/18 00:44:00 28/05/18 00:44:00 0:00:00 0:00:00 0:00:00 0:00:00 LART A/R OF SUCESSFULLY OPERATED FROM BOTH END DUE TO R-N FAULT. FD-4.84KM FROM

KISHANGANJ AND FC-8.65KA.

107000066343 400KV KISHANGANJ PATNA-2 02/05/18 08:08:00 02/05/18 08:08:00 0:00:00 0:00:00 0:00:00 0:00:00 LART AURORECLOSED SUCESSFULLY FROM BOTH SIDES DUE TO Y-N FAULT. F.D.= 221.5 KM FROM

PATNA WITH F.C.= 2.09 KA.

0:00:00 0:00:00 0:28:00 0:00:00

107000066391 400KV KODERMA BIHARSARIF-1 26/05/18 12:09:00 26/05/18 12:09:00 0:00:00 0:00:00 0:00:00 0:00:00 LART A/R SUCESSFULLY OPERATED FROM BOTH END DUE TO B-N FAULT. FD-66.47KM FROM

BIHARSHARIFF AND FC-2.011KA.

0:00:00 0:00:00 0:00:00 0:00:00

107000065812 400KV KODERMA BIHARSARIF-2 22/05/18 12:54:00 22/05/18 12:54:00 0:00:00 0:00:00 0:00:00 0:00:00 LART A/R SUCESSFULLY OPERATED FROM BOTH END DUE TO B-N FAULT. FD-98.3KM FROM BSF

AND FC-3.8KA.

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


0:00:00 0:00:00 0:00:00 0:00:00

107000065292 400KV KODERMA GAYA-2 13/05/18 22:44:00 14/05/18 00:26:00 0:00:00 0:00:00 1:42:00 0:00:00 LNCC TRIPPED DUE TO B-N FAULT.DETAILS FROM GAYA- 48.3KM &5.71KA. HEAVY RAIN AND

THUNDERSTORM AROUND THE FAULT AREA

107000065030 400KV KODERMA GAYA-2 09/05/18 08:42:00 09/05/18 19:41:00 0:00:00 0:00:00 10:59:00 0:00:00 LMAC SHUT DOWN TAKEN FOR REPLACEMENT OF INSULATORS DAMAGED BY MISCREANTS IN

MULTI CKT PORTION.

107000066413 400KV KODERMA GAYA-2 28/05/18 19:16:00 28/05/18 19:16:00 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R SUCESSFULLY OPERATED FROM BOTH END DUE TO B-N FAULT.F.D.=65.72 KM FROM

GAYA,F.C.=4.6 KMP.

0:00:00 0:00:00 12:41:00 0:00:00

107000065228 400KV MOTIHARI-GORAKHPUR-1(LILO BARH-GKP 03/05/18 02:39:00 03/05/18 03:44:00 0:00:00 1:05:00 0:00:00 0:00:00 OMSUTRIPPED FROM MOTIHARI END (DMTCL) ONLY ON Y-N FAULT DUE TO PROBLEM AT THEIR

END. A/R SUCCESSFUL FROM GKP END.

0:00:00 1:05:00 0:00:00 0:00:00

107000066470 400KV NABINAGAR SASARAM-2 31/05/18 18:40:00 31/05/18 20:33:00 0:00:00 0:00:00 1:53:00 0:00:00 LNCC TRIPPED DUE TO R-N FAULT DURING SEVERE CYCLONE AND LIGHTENING AROUND THE

FAULT AREA.FD=20.62KM FROM SASARAM END WITH FC=6.5

0:00:00 0:00:00 1:53:00 0:00:00

107000065857 400KV PATNA BALLIA -3 03/05/18 12:53:00 03/05/18 14:34:00 1:41:00 0:00:00 0:00:00 0:00:00 OMST TRIPPED DURING DC EARTH FAULT TESTING AT BALIA. DT RECD. AT PATNA.

1:41:00 0:00:00 0:00:00 0:00:00

107000064860 400KV PATNA BALLIA 4 01/05/18 08:06:00 01/05/18 20:29:00 0:00:00 12:23:00 0:00:00 0:00:00 OMSU S/D TAKEN BY BALIA FOR REPLACEMENT OF PORCELEIN INSULATORS WITH POLYMER

INSULATORS .

107000064867 400KV PATNA BALLIA 4 02/05/18 08:55:00 02/05/18 19:46:00 0:00:00 10:51:00 0:00:00 0:00:00 OMSU S/D TAKEN BY BALIA FOR REPLACEMENT OF PORCELEIN INSULATORS WITH POLYMER

INSULATORS .

107000066363 400KV PATNA BALLIA 4 15/05/18 13:13:00 15/05/18 19:58:00 0:00:00 0:00:00 6:45:00 0:00:00 LNCCTRIPPED ON Y-B.FAULT DURING SEVERE CYCLONE IN AND AROUND THE FAULT AREA. FD-

46.9KM FROM PATNA AND FC-Iy-8.86KA, Ib-8.63KA.

0:00:00 23:14:00 6:45:00 0:00:00

107000066494 400KV PATNA BALLIA-1 26/05/18 19:39:00 26/05/18 20:23:00 0:44:00 0:00:00 0:00:00 0:00:00 OMST TRIPPED ONLY FROM PATNA END DUE TO DT RECEIVED AT PATNA.

107000066365 400KV PATNA BALLIA-1 17/05/18 15:04:00 17/05/18 19:29:00 4:25:00 0:00:00 0:00:00 0:00:00 OSPTS/D TAKEN FOR CHECKING ITS LINE REACTOR AT BALIA AFTER BUSHING REPALCEMENT

WORK.

5:09:00 0:00:00 0:00:00 0:00:00

107000065191 400KV PATNA BALLIA-2 10/05/18 12:11:00 10/05/18 13:17:00 1:06:00 0:00:00 0:00:00 0:00:00 OSPT S/D TAKEN TO ATTEND HOT SPOT IN ITS LINE ISOLATOR AT PATNA END.

107000066477 400KV PATNA BALLIA-2 31/05/18 22:02:00 31/05/18 22:26:00 0:00:00 0:00:00 0:24:00 0:00:00 LNCC TRIPPED DUE TO B-N FAULT DURING SEVERE CYCLONE AND LIGHTENING AROUND THE

FAULT AREA. FD=8.26KM FROM PATNA END WITH FC=13.6

1:06:00 0:00:00 0:24:00 0:00:00

107000065221 400KV RAGHUNATHPUR-MAITHON-1 13/05/18 11:27:00 13/05/18 14:30:00 0:00:00 0:00:00 0:00:00 3:03:00 OSFD EMERGENCY S/D TAKEN BY RTPS(DVC) END TO ATTEND WAVE TRAP PROBLEM AT THEIR

END.

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


107000066414 400KV RAGHUNATHPUR-MAITHON-1 05/05/18 10:21:00 05/05/18 17:33:00 7:12:00 0:00:00 0:00:00 0:00:00 OSPT TO ATTEND HOT SPOT AT LOC NO.102.

107000066425 400KV RAGHUNATHPUR-MAITHON-1 25/05/18 09:32:00 25/05/18 16:58:00 0:00:00 7:26:00 0:00:00 0:00:00 OMSU S/D TAKEN TO ATTEND HOT SPOT CAUSED BY CONTINUOUS OVERLOADING.

107000066395 400KV RAGHUNATHPUR-MAITHON-1 27/05/18 07:18:00 27/05/18 16:12:00 0:00:00 0:00:00 0:00:00 8:54:00 OSPD S/D TAKEN BY DVC FOR JUMPER POINT CHECKING .

7:12:00 7:26:00 0:00:00 11:57:00

107000066496 400KV RANCHI NEW RANCHI -3 20/05/18 15:33:00 20/05/18 17:12:00 0:00:00 0:00:00 1:39:00 0:00:00 LNCC LINE TRIPPED IN B-N FAULT.F.D.=11.57 KM FROM RANCHI,F.C.=19.16 KAMP.THERE WAS HEAVY

THUNDRSTORM ,HEAVY RAIN AND SEVER CYCLONE AROUND THE FAULT AREA.

0:00:00 0:00:00 1:39:00 0:00:00

107000066457 400KV RANCHI NEW RANCHI 4 30/05/18 17:37:00 30/05/18 17:59:00 0:00:00 0:00:00 0:22:00 0:00:00 LNCC TRIPPED DUE TO B-N FAULT DURING SEVERE CYCLONE AND LIGHTENING AROUND THE

FAULT AREA. F.D.= 2.4 KM FROM RNC WITH F.C.= 18 KA

0:00:00 0:00:00 0:22:00 0:00:00

107000065850 400KV RANCHI NEW RANCHI-1 02/05/18 15:56:00 02/05/18 16:50:00 0:00:00 0:00:00 0:54:00 0:00:00 LNCC TRIPPED ON R-N FAULT. F.D.= 21.2 KM FROM RNC WITH F.C.= 11.01 KA. LINE TRIPPED DUE TO


107000065843 400KV RANCHI NEW RANCHI-1 20/05/18 15:33:00 24/05/18 00:19:00 0:00:00 80:46:00 0:00:00 0:00:00 OMSU

TRIPPED DUE TO B-N FAULT CAUSED BY THUNDERSTORM AND LIGHTENING AROUND THE

FAULT AREA. DUE TO FAULT ,B PH BREAKER FAIL AT RANCHI.IT IS TO NOTED THAT

CORPORATE INDIA LIMITED HAD NOT COMMISSIONED OF ITS TIE BAY CB AT RANCHI.PARTY

GOT BANKRUPT. SO DUE TO UNVALABILTY OF TIE 400 KV RANCHI-NEW RANCHI-I TRIPPED.

107000066398 400KV RANCHI NEW RANCHI-1 27/05/18 22:20:00 27/05/18 22:20:00 0:00:00 0:00:00 0:00:00 0:00:00 LART A/R SUCESSFULLY OPERATED FROM BOTH END DUE TO Y-N FAULT. DETAILS FROM NEW

RANCHI- M1- FD-19.7KM AND FC-8.37KA M2- FD-20.2KM

0:00:00 80:46:00 0:54:00 0:00:00

107000065844 400KV RANCHI NEW RANCHI-2 20/05/18 15:33:00 20/05/18 18:28:00 0:00:00 2:55:00 0:00:00 0:00:00 OMSU

400KV BUS-II TRIPPED DUE TO LBB OPERATION OF ITS B PH BREAKER FAILURE AT RANCHI..IT

IS TO NOTED THAT CORPORATE INDIA LIMITED HAD NOT COMMISSIONED OF ITS TIE BAY CB

AT RANCHI.PARTY GOT BANKRUPT. SO DUE TO UNVALABILTY OF TIE 400 KV RANCHI-NEW

RANCHI-I TRIPPED.

107000065854 400KV RANCHI NEW RANCHI-2 02/05/18 15:56:00 02/05/18 16:51:00 0:00:00 0:00:00 0:55:00 0:00:00 LNCC TRIPPED ON B-N FAULT. F.D.= 14.6 KM FROM RNC WITH F.C.= 12.13 KA. LINE TRIPPED DUE TO


0:00:00 2:55:00 0:55:00 0:00:00

107000066468 400KV SASARAM DALTONGANJ-1 31/05/18 18:43:00 06-01-18 0:00 0:00:00 0:00:00 5:17:00 0:00:00 LNCC

TRIPPED DUE TO R-N FAULT DURING SEVERE CYCLONE AND LIGHTENING AROUND THE

FAULT AREA FD=117KM FROM SASARAM END WITH FC=6.3KA.

TOWER COLLAPSED COMPLETELY AT LOC.36.

0:00:00 0:00:00 5:17:00 0:00:00

107000066469 400KV SASARAM DALTONGANJ-2 31/05/18 18:43:00 06-01-18 0:00 0:00:00 0:00:00 5:17:00 0:00:00 LNCC

TRIPPED DUE TO B-N FAULT DURING SEVERE CYCLONE AND LIGHTENING AROUND THE

FAULT AREA.FD=276.9KM FROM SASARAM END WITH FC=1.19KA.

TOWER COLLAPSED COMPLETELY AT LOC.36.

0:00:00 0:00:00 5:17:00 0:00:00

107000066405 765KV GAYA BALIA -1 28/05/18 16:59:00 28/05/18 16:59:00 0:00:00 0:00:00 0:00:00 0:00:00 LARTA/R SUCESSFULLY OPERATED FROM BOTH END DUE TO R-N FAULT.F.D.=71 KM FROM

GAYA,F.C.=4.76 KAMP.

0:00:00 0:00:00 0:00:00 0:00:00

107000064862 765KV GAYA VARANASI -1 01/05/18 08:49:00 01/05/18 18:50:00 0:00:00 10:01:00 0:00:00 0:00:00 OMSU S/D TAKEN FOR TOWER STRENGTHNING WORK BETWEEN LOC.NO.208 TO 492

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


107000064865 765KV GAYA VARANASI -1 02/05/18 08:33:00 02/05/18 19:10:00 0:00:00 10:37:00 0:00:00 0:00:00 OMSU S/D TAKEN FOR TOWER STRENGTHNING WORK BETWEEN LOC.NO.208 TO 492

107000065294 765KV GAYA VARANASI -1 13/05/18 23:52:00 01/06/18 00:00:00 0:00:00 0:00:00 432:08:00 0:00:00 LNCC

TRIPPED DUE TO R-B FAULT. DETAILS FROM GAYA- FD-139KM & FC-Ir-4.4KA, Ib-4.8KA. DETAILS

FROM VARANASI - FD-118KM & FC -Ir-5.66KA, Ib-5.82KA. AT LOC NO 368 TOWER COLLAPSED

FROM TOP LEVEL CAUSED BY SEVERE THUNDERSTORM AND RAIN AROUND THE FAULT AREA.

0:00:00 20:38:00 432:08:00 0:00:00

107000066472 765KV GAYA VARANASI -2 31/05/18 19:57:00 31/05/18 20:30:00 0:00:00 0:00:00 0:33:00 0:00:00 LNCCTRIPPED FROM VARANASI END ONLY, A/R SUCCESSFUL FROM GAYA END , DUE TO B-N FAULT

DURING SEVERE CYCLONE AND LIGHTENING AROUND THE FAULT AREA.

FD=75.3KM FROM GAYA WITH FC=4.82KA

107000066465 765KV GAYA VARANASI -2 31/05/18 18:32:00 31/05/18 19:15:00 0:00:00 0:00:00 0:43:00 0:00:00 LNCCTRIPPED DUE TO R-N FAULT DURING SEVERE CYCLONE AND LIGHTENING AROUND THE

FAULT AREA FD=139.4KM FROM GAYA END WITH FC=3.47KA

0:00:00 0:00:00 1:16:00 0:00:00

107000066467 765KV-SASARAM-FATEHPUR-1 31/05/18 18:39:00 31/05/18 19:02:00 0:00:00 0:00:00 0:23:00 0:00:00 LNCC TRIPPED FROM FATEHPUR END ONLY, A/R SUCCESSFUL FROM SASARAM END ONLY , DUE TO

B-N FAULT DURING SEVERE CYCLONE AND LIGHTENING AROUND THE FAULT AREA,

FD=330KM FROM FATEHPUR WITH FC=2.29KA,

107000066378 765KV-SASARAM-FATEHPUR-1 24/05/18 22:40:00 24/05/18 22:40:00 0:00:00 0:00:00 0:00:00 0:00:00 LART A/R SUCESSFULLY OPERATED FROM BOTH END DUE TO R-N FAULT, F.D=198.9KM FROM

SASARAM (NR3 JURISDICTION), F.C=1.514KA.

0:00:00 0:00:00 0:23:00 0:00:00

107000065217 BIHARSHARIF 50MVAR BUS REACTOR-1 12/05/18 20:25:00 13/05/18 09:21:00 0:00:00 0:00:00 0:00:00 12:56:00 SVRD SWITCH OFF FOR V/R AS PER ERLDC INSTRUCTION


0:00:00 0:00:00 0:00:00 67:55:00


0:00:00 0:00:00 0:00:00 84:08:00

107000065219 BIHARSHARIF-BUS REACTOR-3 12/05/18 21:12:00 13/05/18 09:20:00 0:00:00 0:00:00 0:00:00 12:08:00 SVRD SWITCH OFF FOR V/R AS PER ERLDC INSTRUCTION



0:00:00 0:00:00 0:00:00 173:09:00


107000066495 BIHARSHARIF-BUS REACTOR-4 24/05/18 02:36:00 31/05/18 12:00:00 177:24:00 0:00:00 0:00:00 0:00:00 OSPT S/D TAKEN DUE TO ABNORMAL SOUND FROM BUS REACTOR.


177:24:00 0:00:00 0:00:00 67:55:00

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


107000063421 400KV MOTIHARI-GORAKHPUR-2(LILO BARH-GKP 07/04/18 09:48:00 01/05/18 00:00:00 0:00:00 566:12:00 0:00:00 0:00:00 OMSU

TRIPPED DUE TO B-N FAULT. FD-160.6KM FROM GORAKHPUR( DMTCL JURISDICTION) AND FC-

2.8KA.CHARGING ATTEMPT TAKEN BY MOTIHARI AT 15:37HRS ON 07.04.18 BUT LINE TRIPPED

ON R-Y FAULT.FD-0KM FROM MOTIHARI AND FC- Ir-9.2KA AND Iy-9.2KA

0:00:00 566:12:00 0:00:00 0:00:00

107000066416 BIHARSHARIF-ICT-2 05/05/18 16:42:00 05/05/18 17:17:00 0:00:00 0:35:00 0:00:00 0:00:00 OMSU BREAKER OPENED FROM BSPTCL END (220KV SIDE) DUE TO PROBLEM AT THEIR END

0:00:00 0:35:00 0:00:00 0:00:00

107000066417 BIHARSHARIF-ICT-3 05/05/18 16:42:00 05/05/18 17:11:00 0:00:00 0:29:00 0:00:00 0:00:00 OMSU BREAKER OPENED FROM BSPTCL END (220KV SIDE) DUE TO PROBLEM AT THEIR END

0:00:00 0:29:00 0:00:00 0:00:00

107000066589 KISANGANJ-ICT-I 25/05/18 05:56:00 25/05/18 18:10:00 0:00:00 12:14:00 0:00:00 0:00:00 OMSU TRIPPED DUE TO MALOPERATION OF BUCHHOLZ REALY CAUSED BY INGRESS OF WATER

0:00:00 12:14:00 0:00:00 0:00:00

107000065566 GAYA 125MVAR_BUS_REACTOR-1 17/05/18 21:13:00 20/05/18 06:35:00 0:00:00 0:00:00 0:00:00 57:22:00 SVRD HAND TRIPPED FOR VOLTAGE REGULATION AS PER ERLDC INSTRUCTION.

107000065216 GAYA 125MVAR_BUS_REACTOR-1 08/05/18 20:16:00 13/05/18 10:11:00 0:00:00 0:00:00 0:00:00 109:55:00 SVRD S.OFF FOR VOLTAGE REGULATION AS PER ERLDC INSTRUCTION

0:00:00 0:00:00 0:00:00 167:17:00

107000065862 GAYA-ICT-1 05/05/18 10:50:00 05/05/18 11:39:00 0:49:00 0:00:00 0:00:00 0:00:00 SRMT TRIPPED DUE TO OTI MALOPERATION

0:49:00 0:00:00 0:00:00 0:00:00

107000065822 HVDC- PUSAULI 125 MVAR BUS REACTOR-2 23/05/18 10:32:00 23/05/18 21:30:00 0:00:00 0:00:00 0:00:00 10:58:00 SVRD SWITCH OFF FOR V/R AS PER ERLDC INSTRUCTION



0:00:00 0:00:00 0:00:00 90:19:00

107000065612 HVDC- PUSAULI 125MVAR BUS REACTOR-1 18/05/18 20:39:00 23/05/18 06:17:00 0:00:00 0:00:00 0:00:00 105:38:00 SVRD SWITCH OFF FOR V/R AS PER ERLDC INSTRUCTION





TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL



























0:00:00 0:00:00 0:00:00 566:48:00

107000066374 JAMSHEDPUR ICT-3 24/05/18 09:29:00 24/05/18 13:43:00 0:00:00 0:00:00 0:00:00 4:14:00 SCSD S/D TAKEN FOR CSD TESTING WORK.

0:00:00 0:00:00 0:00:00 4:14:00

107000066491 JAMSHEDPUR-BUS REACTOR-1_3X16.67MVAR 30/05/18 11:32:00 30/05/18 17:29:00 5:57:00 0:00:00 0:00:00 0:00:00 OSPT S/D TAKEN FOR MOG REPLACEMENT WORK.

5:57:00 0:00:00 0:00:00 0:00:00

107000066492 JAMSHEDPUR-BUS REACTOR-3 30/05/18 11:32:00 30/05/18 13:22:00 0:00:00 1:50:00 0:00:00 0:00:00 OMSU S/D TAKEN TO FACILITATE ISOLATION OF 50 MVAR B/R-1 AT JSR FOR MOG REPLACEMENT

WORK AT JSR

107000066493 JAMSHEDPUR-BUS REACTOR-3 30/05/18 17:25:00 30/05/18 17:29:00 0:00:00 0:04:00 0:00:00 0:00:00 OMSU S/D TAKEN TO FACILITATE THE CHARGING OF 50 MVAR B/R-1 AT JSR IN ITS PARALLEL

AFTER REPLACEMENT OF MOG OF 50 MVAR B/R-1.

0:00:00 1:54:00 0:00:00 0:00:00

107000065027 LAKHISARAI-ICT-2 09/05/18 08:34:00 09/05/18 18:27:00 9:53:00 0:00:00 0:00:00 0:00:00 OSPT S/D TAKEN FOR AMP WORK.

9:53:00 0:00:00 0:00:00 0:00:00

107000064863 MUZAFFARPUR-125MVAR BUS REACTOR-1 01/05/18 19:42:00 02/05/18 08:54:00 0:00:00 0:00:00 0:00:00 13:12:00 SVRD SWITCH OFF FOR V/R AS PER ERLDC INSTRUCTION








0:00:00 0:00:00 0:00:00 501:38:00


TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL









0:00:00 0:00:00 0:00:00 522:14:00

107000065185 MUZAFFARPUR-ICT-1 11/05/18 18:37:00 11/05/18 19:00:00 0:00:00 0:23:00 0:00:00 0:00:00 OMSUTRIPPED DUE TO OUTAGE OF 220 KV BUS-1 AT MUZ DUE TO OPN. OF LBB RELAY OF 220 KV MUZ

- HAJIPUR-1 CB AT MUZ END. OPN. OF LBB RELAY CAUSED DUE TO R-N FAULT IN THE SAID

CKT.(OF BSPTCL) AND STUCKING OF ITS CB POLE AT MUZ END (BSPTCL BAY).

0:00:00 0:23:00 0:00:00 0:00:00

107000065186 MUZAFFARPUR-ICT-2 11/05/18 18:37:00 11/05/18 19:02:00 0:00:00 0:25:00 0:00:00 0:00:00 OMSUTRIPPED DUE TO OUTAGE OF 220 KV BUS-1 AT MUZ DUE TO OPN. OF LBB RELAY OF 220 KV MUZ

- HAJIPUR-1 CB AT MUZ END. OPN. OF LBB RELAY CAUSED DUE TO R-N FAULT IN THE SAID

CKT.(OF BSPTCL) AND STUCKING OF ITS CB POLE AT MUZ END (BSPTCL BAY).

0:00:00 0:25:00 0:00:00 0:00:00

107000065299 MUZAFFARPUR-ICT-3 14/05/18 06:35:00 14/05/18 11:39:00 0:00:00 0:00:00 5:04:00 0:00:00 GOFC TRIPPED DUE TO OVERFLUX

0:00:00 0:00:00 5:04:00 0:00:00

107000065914 NEW PURNEA 125MVAR_BUS_REACTOR-2 24/05/18 19:51:00 30/05/18 00:35:00 0:00:00 0:00:00 0:00:00 124:44:00 SVRD SWITCH OFF FOR V/R AS PER ERLDC INSTRUCTION

0:00:00 0:00:00 0:00:00 124:44:00

107000066372 NEW RANCHI-AT-2 24/05/18 09:11:00 24/05/18 19:11:00 0:00:00 0:00:00 0:00:00 10:00:00 SCSD S/D TAKEN FOR STATCOM CONSTRUCTION WORKS.

0:00:00 0:00:00 0:00:00 10:00:00

107000066369 RANCHI-400KV 80MVAR_BUS_REACTOR-1 20/05/18 15:41:00 20/05/18 16:39:00 0:00:00 0:58:00 0:00:00 0:00:00 OMSUTRIPPED DUE TO TRIPPING OF 400KV RANCHI-RAGUNATHPUR-III. B/R WAS IN ITS DIA AND

MAIN BEAKER OF B/R WAS ALREADY OUT OF SERVICE DUE TO OUTAGE OF 400KV BUS-II AT

RANCHI

0:00:00 0:58:00 0:00:00 0:00:00

107000066371 RANCHI-ICT-1 23/05/18 14:32:00 23/05/18 16:15:00 1:43:00 0:00:00 0:00:00 0:00:00 OSPT S/D TAKEN FOR ATTENDING HOT SPOT IN ITS MAIN BAY ISOLATOR (CT SIDE

CONTANTACT) AT RANCHI.

1:43:00 0:00:00 0:00:00 0:00:00

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL


107000066419 RANCHI-ICT-2 08/05/18 09:36:00 08/05/18 10:24:00 0:00:00 0:48:00 0:00:00 0:00:00 OMSU S/D TAKEN TO ISOLATE ITS TERTIARY FOR INSULATION WRAPPING.

107000066124 RANCHI-ICT-2 27/05/18 23:07:00 28/05/18 14:35:00 0:00:00 0:00:00 15:28:00 0:00:00 LNCC TRIPPED DUE TO BUCHHOLZ RELAY.TRIPPED DUE TO MALOPERATION OF BUCHHOLZ RELAY

CAUSED BY INGRESS OF WATERIN ITS TERMINAL BOX DURING HEAVY RAIN

107000066421 RANCHI-ICT-2 08/05/18 13:24:00 08/05/18 15:26:00 0:00:00 2:02:00 0:00:00 0:00:00 OMSU S/D TAKEN FOR CONNECTING ITS TERTIARY AFTER INSULATION WRAPPING.

0:00:00 2:50:00 15:28:00 0:00:00TOTAL


Documents

OUTAGE DETAILS OF ER-I, ER-II (WEST BENGAL & SIKKIM ... · EVENT No. NAME OF LINE/ICT €€ TRIP€€€€ DATE€€TIME RESTORATION Outage Attributable to powergrid (T) Outage