भारत सरकार ... · नई दिल्ल - 110016 government of india, ministry...

भारत सरकार

विद्युत मंत्रालय

उत्तर क्षेत्रीय विद्युत सवमवत

18-ए, श.जीत ससह मार्ग, कटिाररया सराय,

नई दिल्ली- 110016

Government of India, Ministry of Power

Northern Regional Power Committee 18-A, S. Jeet Singh Marg, Katwaria Sarai,

New Delhi-110016

No. NRPC/OPR/107/1/2017/ 1518-56 Dated: 03.02.2017

FAX MESSAGE To Members of Protection Sub-Committee (As per List)

Sub : Grid incidents/ Disturbances from July-December, 2016

A summarized status of the Grid Incidents/Disturbances occurred in

Northern region from July-December, 2016 is enclosed as Annex (soft copy

available on http://bit.ly/2kzzyPA). These incidents will be discussed in 33rd PSC

meeting scheduled to be held on 22.02.2017. Utilities are requested to submit the

detailed report along with measures being/already taken to avoid the recurrence of

tripping in future to NRPC with a copy to NRLDC. The utilities, who have submitted

the detailed report, are requested to submit the action taken/being taken along with

the timeline for the same.

Sd/-

Naresh Kumar

E.E. (O)

फोन – 26868681, 26967842

फेक्स Fax : 26865206

ई मेल e- mail: [email protected]

वेबसाईट Website : www.nrpc.gov.in

http://bit.ly/2kzzyPA

http://www.nrpc.gov.in/

List of Members of Protection Sub-Committee

1. Director (P&C)/BBMB, Chandigarh, Fax-0172-2652054 2. General Manager (SLDC), DTL, Fax No 011-23236462 3. GM (O&M), Delhi Transco Limited, New Delhi, Fax-011-23236462 4. GM (T), Common Services IPGCL, New Delhi, Fax-23370247 5. Chief Engineer (TS), HVPNL, Panchkula, Fax-0172-2591244 6. SE (M&P), HVPNL, Dhulkote , Haryana, Fax-0172-2540014 7. SE (SO & SLDC), HVPNL: 0181-2664440 Fax-0172-2560622 8. SE (SLDC), PTCUL Fax- 0135-2451160, 0135-2763570 9. SE(T&C), PTCUL, Fax No 0135-2451826 10. Chief Engineer (SLDC), UPPTCL, Fax- 0522-2287880, 2288736 11. SE (Tech). HPGCL, Fax-0172-5022436,SE(O&M-VI),Panipat Fax:0180-2566768. 12. Chief Engineer (Transmission), HPSEB, Hamirpur, Fax-01972-223435 13. SE (PR& ALDC), HPSEB Ltd., Fax-0177-2837143 14. Chief Engineer (Comml. & Survey Wing) PDD, Jammu, Fax-0191-2474233 15. Chief Engineer (SLDC), PSTCL, Fax – 0175-2365340 16. Chief Engineer (P&M), PSTCL, Ludhiana, Fax-0161-2741280, 2451491 17. CE (M&P), RRVPNL, Jaipur, Fax-0141-2291891 18. SE (Electrical), RRVUNL, Suratgarh, (Rajasthan), Fax-01509-245299 19. Chief Engineer (LD); RRVPNL, SE (SO&LD) – Fax- 0141-2740920 20. Superintending Engineer (T&C), UPPCL, Meerut (U.P.), Fax-0121-2666062 21. Chief Engineer, (L-2), UPRVUNL Lucknow, Fax-0522-2287822, 2287880 22. DGM (T&C), PTCUL, Dehradun, Fax-0135-2760331 23. Chief Engineer (O&M), NHPC, Faridabad, Fax-0129-2272413 24. NPCIL

(i) Maintenance Superintendent, NAPS, Narora, Fax- 05734-222167 (ii) Maintenance Superintendent, RAPS, Rawatbhata, Fax- 01475-242060

25. GM (O&M) NR – I, PGCIL, New Delhi, Fax-011-26601079 26. GM (O&M), NR-II, PGCIL, Jammu, Fax-01951-237186 27. Chief Manager (TS), N.R.L.D.C, New Delhi, Fax- 011-26852747 28. GM(OS-NR), NTPC, Lucknow, Fax No. 0522-2305848 29. GM (OS) NTPC Ltd., Noida, Fax-0120-2410082, 2410068 30. DGM (Maintenance), SJVNL, New Shimla, Fax- 0177-2673283 31. DGM (O&M), THDC India Ltd., Tehri Garhwal, Fax No 01376-236305 32. Director (GM division), CEA, New Delhi, Fax-011-26109750 33. General Manager, APCLP, Fax No. 01251-266326 34. Director JPPVL, Fax- 0120-4516201/4609464/4609496 35. Assistant Vice President, BRPL, Fax- 39996055, 39999765 36. GM (Production), Jhajjar Power Ltd., Fax- 01251-270155 37. GM(P&M), APL, Fax No. 07925557176 38. Sh. Umesh Gupta, AsVP, BRPL, New Delhi, Fax No. 011-26419833

Date Time within 24hrs

after 24hrs

Not Received

within 24hrs

after 24hrs

Not Received

ReceivedNot

Received

1 POWERGRID Yes Yes NA

2 NTPC Yes Yes NA

3 UP Yes Yes Yes

4 2

1)400kV Barmer-Rajwest 12)400kV Barmer-Akal 13)400/220kV Barmer 315 MVA ICT 14)400/220kV Barmer 315 MVA ICT 2

5-Jul-16 09:41

The jumper of 220/132kV ICT at Barmer snapped resulting in bus bar protection operation. Complete station become dead. The evacuation lines from Akal also tripped resulted in tripping of wind generation.

GD1 Rajasthan Yes Yes Yes

5 POWERGRID Yes Yes Yes

6 NHPC Yes Yes Yes

7 J&K Yes Yes Yes

8 4

1)400kV Makhu-Nakodar ckt 12) 400kV Makhu-Nakodar ckt 23)400kV Nakodar-Rajpura (TH) ckt 1 4)400kV Dhuri(400kv)-Rajpura (TH) ckt

6-Jul-16 00:19400kV Makhu-Nakodar ckt 1&2 and 400kV Nakodar-Rajpura (TH) ckt 1 tripped at 00:19hrs. 400kV Dhuri(400kv)-Rajpura (TH) ckt 2 tripped at 00:22hrs. Phase to earth fault reported.

GI2 Punjab Yes Yes Yes

9 Adani Yes Yes Yes

10 Haryana Yes Yes NA

11 Adani Yes Yes Yes


13 7 1)400/220kV Muradnagar New 240 MVA ICT-12)400/220kV Muradnagar New 240 MVA ICT-2

15-Jul-16 05:43400/220kV Muradnagar New 240 MVA ICT 1 tripped due to fire. ICT-2 also tripped along with this .

GD1 UP Yes Yes Yes

14 81)400kV Agra-Sikar ckt 12)400kV Agra-Bhiwadi ckt 13)400kV Agra-Jaipur South

17-Jul-16 03:47400kV Agra-Sikar ckt 1, 400kV Agra-Bhiwadi ckt 1 and 400kV Agra-Jaipur South tripped on overvoltage.

GI2 POWERGRID Yes Yes Yes

15 9

1)400kV Muzaffarnagar-Srinagar 2)400 KV Vishnuprayag -Muzaffarnagar3)All running units at Srinagar and Vishnuprayag HEP

18-Jul-16 08:10

At 04:18 hrs due to O/V Muzaffarnagar-Srinagar line tripped resulting in power of Srinagar HEP to flow to Muzaffarnagar via Vishnuprayag and caused system disturbance/power swing. 400 KV Vishnuprayag -Muzaffarnagar line tripped from Vishnuprayag end only and running units at Vishnuprayag and Srinagar tripped. Similar incident also took place at 06:15hrs and 08:10hrs.

GD1 UP Yes Yes Yes


17 Punjab Yes Yes Yes

18 11 1)400kV Aligarh-Muradnagar ckt 1 2) 400kV Aligarh-Panki

22-Jul-16 16:35Bus bar protection operated at Aligarh and 400kV Aligarh-Muradnagar ckt 1 & 400kV Aligarh-Panki tripped.

GI2 UP Yes Yes Yes

19 12

1)400/220kV 315MVA ICT #1 2)400/220kV 315MVA ICT #33)400/220kV 500MVA ICT #2 at Sarnath(UP)4)220kV Sarnath-Gajokhar line

23-Jul-16 13:52

An earth fault occurred on 220 KV Sarnath-Gajokhar line. Breaker tripped but with delay and due to this the fault was sensed by the E/F relays of ICT's. SPS also issued tripping command to the 220 KV Harua line because of delay in the tripping of 220 KV Gajokhar line. 400/220kV 315MVA ICT #1 and #3 and 500MVA ICT #2 tripped.

GD1 UP Yes Yes Yes

10 1)220kV Amritsar(PG)-Khassa(PSEB) ckt 12)220kV Amritsar(PG)-Khassa(PSEB) ckt 2

21-Jul-16 18:45220kV Amritsar(PG)-Khassa(PSEB) ckt 1 tripped due to snapping of conductor. 220kV Amritsar(PG)-Khassa(PSEB) ckt 2 tripped along with this.

GI2

61)400 kV Mohindergarh-Dhanonda ckt-12)400 kV Mohindergarh-Dhanonda ckt-23)500kV Mundra-Mohindergarh pole-II

11-Jul-16 17:07

400 kV Mohindergarh-Dhanonda D/C tripped & HVDC Pole-II tripped. R phase CT blasted at Mohindergarh(APL) end. Same incident also occurred on 10-07-16 (21:05hrs). SPS stage-1 operated.

GI2

51)400 kV Mohindergarh-Dhanonda ckt-12)400 kV Mohindergarh-Dhanonda ckt-23)500kV Mundra-Mohindergarh pole-II

10-Jul-16 21:05

R-ph CT of Pole-II Converter Transformer blasted at Mohindergarh end. Busbar protection operated and Section Bus-2A tripped . 400 kV Mohindergarh-Dhanonda D/C tripped at 21.05hrs & HVDC Pole-II tripped at 21.06hrs. SPS stage-1 operated.

GI2

3

1)400kV Baglihar(JK)-Kishenpur(PG) ckt-12)400kV Baglihar(JK)-Kishenpur(PG) ckt-23)400kV Dulhasti(NHPC)-Kishenpur(PG) 4)220kV Kishenpur(PG)-Mirbazar(JK) 5)220kV Kishenpur(PG)-Ramban(JK)

5-Jul-16 22:42

400kV Baglihar(JK)-Kishenpur(PG) ckt 1&2 and 400kV Dulhasti(NHPC)-Kishenpur(PG) tripped at 22:42hrs.220kV Kishenpur(PG)-Mirbazar(JK) and 220kV Kishenpur(PG)-Ramban(JK) tripped at 23:08hrs.Phase to earth fault reported.

GD1

Owner / AgencyPreliminary Report DR/EL Detailed Report

1

1)220kV Fatehpur(PG)-Fatehpur(UP)-12)220kV Fatehpur(PG)-Fatehpur(UP)-23)220kV Fatehpur(UP)-Unchahar(NTPC)-14)220kV Fatehpur(UP)-Unchahar(NTPC)-25) 220kV Fatehpur(UP)-Allahabad 6) 220kV Fatehpur(UP)-Banda 7) CT of 220kV Fatehpur-Sirathu

3-Jul-16 20:49

CT of 220kV Fatehpur-Sirathu line failed. 220kV Fatehpur(PG)-Fatehpur(UP)-1&2, 220kV Fatehpur(UP)-Unchahar(NTPC 1&2, 220kV Fatehpur(UP)-Allahabad and 220kV Fatehpur(UP)-Banda tripped.

GI2

S.No. Event no. Name of Elements(Tripped/Manually opened)

OutageEvent

(As reported)

Category as per CEA Grid

Standards


after 24hrs

Not Received

within 24hrs

after 24hrs

Not Received

ReceivedNot

ReceivedOwner / Agency

Preliminary Report DR/EL Detailed ReportS.No. Event no. Name of Elements

(Tripped/Manually opened)

OutageEvent

(As reported)


Standards


21 UP Yes Yes Yes

22 14 1)400kV Agra(UP)-Unnao 2)400kV Panki-Unnao

26-Jul-16 00:45400kV Agra-Unnao and 400kV Panki-Unnao tripped. Phase to earth fault is reported.

GI2 UP Yes Yes Yes

23 151)765kV Kanpur New-Varanasi 1 2)765kV Kanpur New-Varanasi 23)765kV Jatikala-Kanpur New

27-Jul-16 12:48765kV Kanpur New-Varanasi 1 & 2 and 765kV Jatikala-Kanpur New tripped due to maloperation of PLCC at Kanpur end on DC fault.


24 16

1)400kV Rajpura (400kV)-Rajpura (TH)-22)400kV Bhiwani (BBMB)-Rajpura (400kV) 3)400kV Dhuri (400kV)-Rajpura (400kV)-24) 400kV Dehar-Rajpura

27-Jul-16 16:22

Busbar protection operated at Rajpura due to falshover in corona ring of ICT #4 and 400kV Rajpura (400kV)-Rajpura (TH)-2, 400kV Bhiwani (BBMB)-Rajpura (400kV) (PSEB), 400kV Dhuri (400kV)-Rajpura (400kV)-2 & 400kV Dehar-Rajpura tripped.


25 17 1)400kV Bareilly(UP)-Dhauliganga(NHPC) 2)400kV Dhauliganga(NHPC)-Pithorgarh(PG)

29-Jul-16 11:22400kV Bareilly(UP)-Dhauliganga(NHPC) and 400kV Dhauliganga(NHPC)-Pithorgarh(PG) tripped due to CVT problem at Dhauliganga yard.

GD1 NHPC Yes Yes Yes

26 18 1)400/220kV Azamgarh 315MVA ICT-12)400/220kV Azamgarh 315MVA ICT-2

30-Jul-16 09:33400/220kV Azamgarh 315MVA ICT-1 tripped during SPS work and 400/220kV A Azamgarh 315MVA ICT-2 tripped on overloading.

GD1 UP Yes Yes Yes

27 19 1)400kV Jodhpur II-Rajwest ckt-12)400kV Jodhpur II-Merta ckt 2

3-Aug-16 15:20400kV Jodhpur II-Rajwest ckt-1and 400kV Jodhpur II-Merta ckt 2 tripped on overvoltage.

GI2 Rajasthan Yes Yes Yes

28 20

1)400/220kV, 315MVA ICT-I at Bamnauli 2)400/220kV, 500MVA ICT-II at Bamnauli 3)400/220kV, 500MVA ICT-III at Bamnauli 4)400/220kV, 315MVA ICT-IV at Bamnauli 5)220kV Bamnauli-DIAL Ckt-I6)220kV Bamnauli-DIAL Ckt-II7)220kV Bamnauli-Papankalan II Ckt-I 8)220kV BTPS-Mehrauli Ckt-II 9)220/66kV 100MVA Pr. Tr-I at Papankalan I10)220/66kV 100MVA Pr. Tr-II at Papankalan I11)220/66kV 100MVA Pr. Tr-IV at Najafgarh

4-Aug-16 12:24

Relay maloperated at Bamnauli station and all 220 KV lines from 400/220KV Bamnauli got tripped & All 400/220 KV ICTs were connected from 400KV side.At the same time 220kV BTPS-Mehrauli-II line got tripped due to over loading, As 220kV BTPS-Mehrauli-I was under s/d.

GD1 Delhi Yes Yes Yes

29 21

1)220kV Muradnagar-Muradnagar(II) ckt-1 2)220kV Muradnagar-Muradnagar(II) ckt-23)220kV Loni-Muradnagar ckt 2 4)220kV Muradnagar-Sahibabad ckt 1

5-Aug-16 12:46

B-Phase jumper of Wave Trap of Muradnagar interconnector ckt-2 at 220 KV Muradnagar Substation snapped and resulted in L3-E fault seen at 400 KV Muradnagar S/S in Z2. This line fault overloaded the 03 nos. of 315 MVA ICTs of 400 KV Muradnagar S/S. Thus SPS operated and resulted in trippings of 220 KV Muradnagar-Muradnagar(II) ckt-1 & 2, 220kV Loni-Muradnagar ckt 2 and 220kV Muradnagar-Sahibabad ckt 1 tripped.

GD1 UP Yes Yes Yes

30 22 1)400/220kV Moradabad 315MVA ICT-1 2) 400/220kV Moradabad 315MVA ICT-2

5-Aug-16 23:49400/220kV Moradabad 315MVA ICT-1 & 2 tripped due to fire at 220 KV Switchyard at Moradabad.

GD1 UP Yes Yes Yes

31 UP Yes Yes Yes


33 NHPC Yes Yes Yes

34 24 1) 400kV Dhuri(400kv)-Talwandi Sabo ckt 12) 400kV Dhuri(400kv)-Talwandi Sabo ckt 2

6-Aug-16 15:45 400kV Dhuri(400kv)-Talwandi Sabo ckt 1&2 tripped during synchronization of T.Sabo unit# 1.


35 251)220kV Moradabad-Sambhal2)220kV Moradabad-Nehtor 3)220kV Cbganj-Moradabad

6-Aug-16 23:50Fire caught at 220kV substation and 220kV Moradabad-Sambhal, 220kV Moradabad-Nehtor & 220kV Cbganj-Moradabad tripped.

GI2 UP Yes Yes Yes

23

1)400kV Bareilly(UP)-Bareilly(PG) ckt-12)400kV Bareilly(UP)-Bareilly(PG) ckt-23)400kV Bareilly(UP)-Unnao ckt 2 4)220kV Cbganj(UP)-Tanakpur(NHPC) 5)220kV Bareilly(UP)-Dhauliganga(NHPC)

6-Aug-16 12:36

Busbar protection operated at Bareilly(UP). 400kV Bareilly(UP)-Bareilly(PG) ckt-1 & 2, 400kV Bareilly-Unnao ckt 2, 220kV Cbganj(UP)-Tanakpur(NHPC) and 220kV Bareilly(UP)-Dhauliganga(NHPC) tripped.

GD1

13

1)765kV G.Noida 765(UP)-Meerut(PG) ckt-12)765 kV (3*80) 240 MVAR Line Reactor (Switchable) of Gr.Noida 765 ckt 1 at Meerut PG end

23-Jul-16 15:57765kV G.Noida 765(UP)-Meerut(PG) 1 and 765 kV (3*80) 240 MVAR Line Reactor (Switchable) of Gr.Noida 765 ckt 1 at Meerut PG tripped due to fire in LR.

GI2


after 24hrs

Not Received

within 24hrs

after 24hrs

Not Received

ReceivedNot




OutageEvent

(As reported)


Standards

36 26 1) 400kV Dhuri(400kv)-Talwandi Sabo ckt 12) 400kV Dhuri(400kv)-Talwandi Sabo ckt 2

9-Aug-16 10:40400kV Dhuri(400kv)-Talwandi Sabo ckt 1&2 tripped due to PLCC maloperation at 10:40hrs. Both ckts tripped again at 13:04hrs during protection testing work.


37 27

1)400kV Jodhpur II-Rajwest 2 2)400kV Barmer-Rajwest 1 3)Rajwest TPS unit #14)Rajwest TPS unit #25)Rajwest TPS unit #36)Rajwest TPS unit #57)Rajwest TPS unit #7 9)Rajwest TPS unit #8

9-Aug-16 23:52

400kV Jodhpur II-Rajwest 2 and 400kV Barmer-Rajwest 1 tripped at 23:52 hrs. 400kV Jodhpur II-Rajwest 1 already tripped at 18:46hrs. At same time Rajwest TPS unit #1, #2, #3, #4, #5, #7 and #8 tripped.


38 28 1)400kV Jodhpur-Akal2)400kV Jodhpur-Merta ckt 1

10-Aug-16 17:34 400kV Jodhpur-Merta ckt-1 and 400kV Jodhpur-Akal tripped on overvoltage.


39 29

1)220kV Sarnath-Gajokhar2)400/220kV 315MVA ICT #1 at Sarnath(UP)3)400/220kV 500MVA ICT #2 at Sarnath(UP)4)400/220kV 315MVA ICT #3 at Sarnath(UP)

13-Aug-16 16:08Fault occurred in 220kV Sarnath-Gajokhar ckt resulted in tripping of all three 400/220kV ICTs at Sarnath(UP).

GD1 UP Yes Yes Yes

40 30 1)765kV Kanpur(PG)-Jhatikara(PG)2)400kV Kanpur(PG)-Kanpur(765kV) ckt-1

16-Aug-16 03:26Y-N fault occurred in 765kV Kanpur(PG)-Jhatikara(PG). 400kV Kanpur(PG)-Kanpur(765kV) ckt-1 also tripped.


41 31 1)400kV Kanpur new-Kanpur ckt-12)765kV Kanpur New-Varanasi ckt-1

18-Aug-16 11:15Sparking in wave trap resulting in Y-N fault. 400kV Kanpur new-Kanpur ckt-1, 765kV Kanpur New-Varanasi ckt-1 tripped.


42 321)400/220kV 315MVA ICT #1 at Sarnath(UP)2)400/220kV 500MVA ICT #2 at Sarnath(UP)3)400/220kV 315MVA ICT #3 at Sarnath(UP)

18-Aug-16 18:55During charging of 220kV line at Sarnath, R-N fault occurred resulting in tripping of all three 400/220kV ICTs at Sarnath(UP)

GD1 UP Yes Yes Yes

43 Rajasthan Yes Yes Yes

44 Adani Yes Yes Yes

45 341) 400/220kV 315MVA ICT #1 at Kashipur(PTCUL)2) 400/220kV 315MVA ICT #2 at Kashipur(PTCUL)3)All 220kV feeders at Kashipur(PTCUL)

20-Aug-16 17:07While taking charging attempt of 220kV feeder, both 400/220kV 315MVA ICTs at Kashipur(PTCUL) tripped.

GD1 Uttarakhand Yes Yes Yes



48 36 1)800kV Agra-BNC pole 12)800kV Agra-BNC pole 2

24-Aug-16 12:56Due to Auxillary supply failure both poles of 800kV Agra-BNC tripped



50 UP Yes Yes Yes

51 381)220/132kV, 100MVA ICT #1 at Raibareilly2)220/132kV, 100MVA ICT #2 at Raibareilly3)220/132kV, 100MVA ICT #3 at Raibareilly

26-Aug-16 23:01220/132kV, 100MVA all three ICTs at Raibareilly tripped on over-fluxing.

GD1 POWERGRID Yes Yes Yes


53 NHPC Yes Yes Yes

54 40

1)220kV Sakatpura-Rapp(A) ckt-12)220kV Sakatpura-Rapp(A) ckt-33)220kV Sakatpura-Rapp(B) ckt-24)220kV Sakatpura-Dahra5)220kV Sakatpura-Barod

27-Aug-16 21:15220kV Sakatpura-Rapp(A) ckt 1 & 3, 220kV Sakatpura-Rapp(B) ckt 2, 220kV Sakatpura-Dahra, 220kV Sakatpura-Barod tripped.


39

1)400kV Chamera I(NHPC)-Jalandhar(PG) ckt-12)400kV Chamera I(NHPC)-Jalandhar(PG) ckt-23)180MW Chamera I unit #14)180MW Chamera I unit #25)180MW Chamera I unit #36)100MW Chamera II unit #2

27-Aug-16 07:16

400kV Chamera I(NHPC)-Jalandhar(PG) ckt 1 & 2 tripped on phase to phase fault. At the same time 180MW Chamera I unit #1, #2 & #3 tripped on differential protection operation. 100MW Chamera II unit #2 also tripped along with this.

GD1

37 1)400kV Mainpuri(PG)-Pariccha(UP) ckt-12)400kV Mainpuri(PG)-Pariccha(UP) ckt-2

26-Aug-16 16:46400kV Mainpuri(PG)-Pariccha(UP) D/C tripped. Y phase to earth fault is reported.

GI2

35

1)220kV Barmer-Akal 2)220kV Barmer-Rajwest3)400kV Jodhpur-Kankroli(PG)-1 4)400kV Jodhpur-Merta-25)400kV Jodhpur-Rajwest-16)400kV Akal-Barmer-2

22-Aug-16 21:56

CT blasted at Barmer. Over voltage at Jodhpur occurred after tripping of 220kV Barmer-Akal & 220kV Barmer-Rajwest line. 400kV Jodhpur-Kankroli(PG)-1, 400kV Jodhpur-Merta-2, 400kV Jodhpur-Rajwest-1, 400kV Akal-Barmer-2 also tripped.

GI2

33 1)400kV Anta-Chabra ckt-12)400kV Kawai-Chabra

19-Aug-16 20:45 400kV Anta-Chabra ckt-1 and 400kV Kawai-Chabra tripped. GD1


after 24hrs

Not Received

within 24hrs

after 24hrs

Not Received

ReceivedNot




OutageEvent

(As reported)


Standards



57 42 1)220kV Pragati-Sarita Vihar ckt-12)220kV Pragati-Sarita Vihar ckt-2

28-Aug-16 12:36

220kV Pragati-Sarita Vihar ckt-1 and 2 tripped on distance protection. Bus coupler at Pragati was open. This caused islanding of Pragati units from grid and units came on house load.



59 Adani Yes Yes NA

60 441)220kV Muradnagar-Muradnagar(II) ckt-1 2)220kV Muradnagar-Muradnagar(II) ckt-23)220kV Loni-Muradnagar ckt 2

31-Aug-16 23:27220kV Loni-Muradnagar, 220kV Muradnagar-Muradnagar II ckt-1 and ckt-2 tripped. Phase to earth fault is reported.

GD1 UP Yes Yes Yes

61 45

1)400kV Jodhpur II-Rajwest ckt-22)400kV Rajwest TPS unit #33)400kV Rajwest TPS unit #54)400kV Rajwest TPS unit #65)400kV Rajwest TPS unit #76)400kV Rajwest TPS unit #8

1-Sep-16 19:19400kV Jodhpur II-Rajwest 2 tripped. During synchronization of this line, all running units of Rajwest TPS (#3, #5, #6, #7 & #8) tripped.


62 46 1)400kV Muradnagar-Aligarh ckt-1 2)400kV Panki-Aligarh

3-Sep-16 13:26400kV Aligarh-Muradnagar ckt-1 and 400kV Aligarh-Panki tripped. R-phase toearth fault is reported.

GI2 UP Yes Yes Yes

63 47

1)220kV Rewa Road-Allahabad ckt-I2)220kV Rewa Road-Allahabad ckt-II3)400kV Bara TPS-Allahabad Rewa Road ckt-14)400kV Bara TPS-Allahabad Rewa Road ckt-25)400kV Panki-Allahabad Rewa Road6)Bara TPS 660MW unit #17)Bara TPS 660MW unit #28)400 KV Rewaroad - Obra line9)220 KV Rewa Road - Mirzapur10)220 KV Rewa Road - Obra ckt-111)220 KV Rewa Road - Obra ckt-2

5-Sep-16 17:11

Phase to earth fault occurred in 220kV Rewa Road-Allahabad ckt-II but fault could not be cleared at Rewa Road stations. LBB also not operated so all 220kV feeders at Rewa road tripped from remote end. 400kV Bara TPS-Allahabad Rewa Road ckt-1 tripped in zone-3 and ckt-2 tripped on power swing. 400kV Panki-Allahabad Rewa Road also tripped on power swing. Bara TPS unit #1 & #2 of 660MW tripped due to loss of evacuation lines.

GD1 UP Yes Yes Yes

43

1)765kV Bhiwani -Meerut2)765/400kV Bhiwani 1000 MVA ICT 2 3)400kV Bhiwani(PGCIL)-Mohindergarh(Adani) ckt-1

30-Aug-16 14:14

765kV Bhiwani -Meerut and 765/400kV Bhiwani 1000 MVA ICT 2 tripped on PRD protection operation. 400kV Bhiwani(PGCIL)-Mohindergarh(Adani)-1 tripped on DT received from Bhiwani end.

GI2

411)400kV Jodhpur II-Merta ckt-22)400kV Jodhpur II(RVPNL)-Kankroli(PG) ckt-13)400kV Jodhpur II-Rajwest ckt-1

28-Aug-16 03:26400kV Jodhpur II-Merta ckt-2, 400kV Jodhpur II(RVPNL)-Kankroli(PG) ckt-1 and 400kV Jodhpur II-Rajwest ckt-1 tripped on overvoltage.

GI2


after 24hrs

Not Received

within 24hrs

after 24hrs

Not Received

ReceivedNot




OutageEvent

(As reported)


Standards

64 Haryana Yes Yes Yes

65 DelhI Yes Yes Yes

66 BBMB Yes Yes Yes


68 NTPC Yes Yes Yes

69 BBMB Yes Yes Yes

70 Punjab Yes NA Yes

71 501)400/220kV Ratangarh 315 MVA ICT #12)400/220kV Ratangarh 315 MVA ICT #23)400/220kV Ratangarh 315 MVA ICT #3

8-Sep-16 10:51400/220kV Ratangarh 315 MVA ICT #1, #2, & 3 tripped during opening of 400kV Ratangarh-Suratgarh ckt-2.


72 51 1)400/220kV Gorakhpur 315 MVA ICT-12)400/220kV Gorakhpur 315 MVA ICT-2

15-Sep-16 17:35400/220kV Gorakhpur 315 MVA ICT-1 and 2 tripped on busbar protection operation.

GD1 UP Yes Yes Yes


74 Delhi Yes Yes Yes



77 54 1)765kV Kanpur New-Jhatkara2)Kanpur New 765 kV Bus 2

20-Sep-16 11:08765kV Kanpur New-Jhatkara line and Kanpur New 765 kV Bus 2 tripped. SF6 gas leakage observed in density monitor No. 712 GP1 (Jhatikara Line Main Bay) of Bus II section).



79 UP Yes Yes NA


81 J&K Yes Yes Yes

82 57

1)250MW Parichha TPS unit#2)250MW Parichha TPS unit#3)210MW Parichha TPS unit#4)210MW Parichha TPS unit#5)660MW Lalitpur TPS unit#

27-Sep-16 13:25All running units of Parichha TPS and one unit of Lalitpur TPS tripped due to evacuation problem after tripping of 220kV Orai-Kanpur line.

GD1 UP Yes Yes Yes

83 58 1)800kV HVDC Agra-BNC pole 12)800kV HVDC Agra-BNC pole 2

30-Sep-16 11:00Due to mal-operation of Smoke detection system, 800kV HVDC Agra-BNC bipole tripped.




1)220kV Ballabhgarh-BTPS-I 2)220kV Ballabhgarh-BTPS-II 3)220Kv Ballabhgarh-Dadri4)220Kv Ballabhgarh-Samayapur-I5)220Kv Ballabhgarh Samayapur II

At 14:38hrs 400/220kV ICT-4 at Ballabhgarh tripped due to blast in Y-ph CB. At 15:12 hrs 400/220kV ICT-2 was made off

56 1)220kV Wagoora-Pampore ckt-12)220kV Wagoora-Pampore ckt-2

26-Sep-16 10:28220kV Wagoora-Pampore D/C tripped reportedly on phase to earth fault.

GD1

551)400kV Balia-Biharsharif ckt-13)400kV Balia-Biharsharif ckt-22)Kanpur New 765 kV Bus 2

24-Sep-16 11:50400kV Balia(PG)-Mau(UP) ckt-1 tripped on R phase to earth fault. 400kV Balia-Biharsharif ckt-1 & 2 also tripped after this on over votage stage II protection operation

GI2

531)400 kV Bamnauli-Ballabgarh ckt 12)400 kV Bamnauli-Ballabgarh ckt 23)220kV Mehrauli-BTPS ckt-2

17-Sep-16 18:12

400 kV Bamnauli-Ballabgarh D/C tripped due to B-ph LA damage at Bamnauli. Around the same time Jumper of 220kV Mehrauli-BTPS-2 snapped. Load of Naraina, DAIL and 3 feeders of Dwarka were lost.

GD1

52 1)400kV Ballabgarh(PG)-Bamnauli(DTL) ckt-12)400kV Ballabgarh(PG)-Bamnauli(DTL) ckt-2

16-Sep-16 04:52400kV Ballabgarh(PG)-Bamnauli(DTL) D/C tripped reportedly on phase to earth fault.

GD1

49

1)400kV Dehar (BBMB)-Rajpura(PSEB)2)400/220kV Dehar 250 MVA ICT3)165MW Dehar unit #3 4)165MW Dehar unit #4

7-Sep-16 18:55400kV Dehar (BBMB)-Rajpura(PSEB), 400/220kV Dehar 250 MVA ICT and 165MW Dehar unit #3 & #4 tripped.

GD1

48

1)400/220kV Ballabgarh 500 MVA ICT-12)400/220kV Ballabgarh 500 MVA ICT-33)400/220kV Ballabgarh 315 MVA ICT-24)400kV Ballabhgarh-Bamnauli5)400kV Ballabhgarh-Maharanibagh 6)400kV Dadri-G.Noida7)Faridabad GPS unit #18)Faridabad GPS unit #29)Faridabad GPS unit #3 10)Multiple 220kV feeders at Samaypur

6-Sep-16 19:44

Multiple 220kV feeders at Samaypur along with 400/220kV Ballabgarh 500 MVA ICT-1 & 315MVA ICT-3, 400kV Ballabhgarh-Bamnauli, 400kV Ballabhgarh-Maharanibagh & 400kV Dadri-G.Noida tripped due to bus-2 fault at 220kV Samaypur. Faridabad GPS unit #1, #2 & #3 also tripped.

GD1


after 24hrs

Not Received

within 24hrs

after 24hrs

Not Received

ReceivedNot




OutageEvent

(As reported)


Standards

86 BBMB Yes Yes Yes


88 NTPC Yes Yes NA

59

5)220Kv Ballabhgarh-Samayapur-II6)220Kv Ballabhgarh-Samayapur-III7)220V Samayapur-FGPP-I 8)220V Samayapur-FGPP-I 9) 400/220kV ICT-4 at Ballabhgarh10)BTPS init #4 & 511) Pragati generation

1-Oct-16 15:12

by PGCIL as a precautionary measure. This led to tripping of 220kV Ballabhgarh-Samaypur Ckt-I, II & III, 220kV Ballabhgarh-BTPS-I &II, 220kV Ballabhgarh-Dadri and 220kV Samayapur-FGPP-I &II.

GD1


after 24hrs

Not Received

within 24hrs

after 24hrs

Not Received

ReceivedNot




OutageEvent

(As reported)


Standards


90 UP Yes Yes NA

91 Punjab Yes Yes NA

92 BBMB Yes Yes Yes

93 UP Yes Yes Yes


95 63

1)400kV Deepalpur-Kabulpur ckt-12)315MVA 400/220kV ICT #2 at Deepalpur(HVPNL)3)400kV Deepalpur-Kabulpur ckt-24)315MVA 400/220kV ICT #1 at Deepalpur(HVPNL)

7-Oct-16 12:53

400kV Deepalpur-Kabulpur ckt-1, 315MVA 400/220kV ICT #2 at Deepalpur(HVPNL) tripped. Again at 13:20hrs, 400kV Deepalpur-Kabulpur ckt-2, 315MVA 400/220kV ICT #1 tripped.

GD1 Haryana Yes Yes Yes

96 UP Yes Yes Yes


98 65

1)400kV Agra(UP)-Fatehabad 765 (UP) ckt-12)400kV Fatehabad 765(UP)-Muradnagar New(UP) 3)765kV Fatehabad 765(UP)-Lalitpur ckt-14)315MVA Lalitpur 765/220kV ICTs5)Lalitpur unit #1

11-Oct-16 20:35

400kV Agra(UP)-Fatehabad 765 (UP) ckt-1 tripped on B phase to earth fault due to which 400kV Fatehabad 765(UP)-Muradnagar New(UP) tripped. 765kV Fatehabad 765(UP)-Lalitpur TPS(LPGCL) ckt-1 along with both 315MVA Lalitpur 765/220kV ICTs also tripped. Due to loss of evacuation path, Lalitpur unit#1 tripped.

GD1 UP Yes Yes Yes

99 NHPC Yes Yes Yes

100 HP Yes Yes Yes

101 BBMB Yes Yes Yes

102 67 1)400kV Makhu-Nakodar ckt-12)400kV Nakodar-Rajpura(TH) ckt-1

12-Oct-16 04:00 400kV Makhu-Nakodar ckt-1 and 400kV Nakodar-Rajpura(TH) ckt-1 tripped on overvoltage.


66 1)220kV Bairasuil(NHPC)-Pong(BBMB) 2)220kV Bairasiul(NHPC)-Jassure(HPSEB)

12-Oct-16 01:30220kV Bairasuil(NHPC)-Pong(BBMB) and 220kV Bairasiul(NHPC)-Jassure(HPSEB)tripped on distance protection operation.

GI2

64 1) 400kV Orai-Paricha2)400kV Mainpuri(PG)-Orai(UPPTCL) ckt-1

10-Oct-16 00:58R-phase CT of 400kV Orai-Paricha got damaged and line tripped. 400kV Mainpuri(PG)-Orai(UPPTCL) ckt-1 tripped along with this.

GI2

62

1)400 kV Anpara-Mau line2)400kV Anpara-Sarnath3)400kV Sarnath-Azamgarh4)400kV Mau-Azamgarh5)400kV Mau-Balia I 6)400kV Mau-Balia II

4-Oct-16 11:20

During opening of 400 kV Anpara-Mau line, R-ph CB at Mau blasted.This fault could not be cleared at Mau end hence resulted into tripping of all 400kV lines emanating from Mau from remote end. 400kV Anpara-Sarnath and 400kV Sarnath-Azamgarh also tripped.

GD1

61

1)220kV Ganguwal-Jamalpur D/C 2)220kV Jamalpur-Sangrur D/C 3)220kV Jamalpur-Dhandari D/C 4)220kV Bhakra-Jamalpur D/C 5)220kV Jamalpur-Jalandhar D/C 6)220/132kV 100MVA ICT-1, 2 & 3 at Jamalpur7)220/66kV 100MVA ICT-1, 2 & 3 at Jamalpur

2-Oct-16 23:05

R-phase CT of Bus coupler at 220kV Jamalpur blasted. It led to bus fault. Numerical bus bar protection didn’t operate at 220kV Jamalpur station. It resulted into tripping of all 220kV feeders from remote end in Z-2 or Z-3.

GD1

60

1)400kV Mainpuri(PG)-Paricha(UPPTCL) ckt-2, 2)220kV Mainpuri(UP)-Sirsaganj(UP) ckt-1 3)220kV Etah (UP)-Mainpuri (PG)4)220kV Mainpuri(UP)-Mainpuri (PG) ckt-1

2-Oct-16 12:30 B-N fault occurred. Multiple feeders from Mainpuri(PG) tripped.

GI2


after 24hrs

Not Received

within 24hrs

after 24hrs

Not Received

ReceivedNot




OutageEvent

(As reported)


Standards

103 68 1) 800kV Agra-BNC bipole 13-Oct-16 01:53800kV HVDC Agra-BNC bipole tripped due to valve cooling problem.




106 701)765kV Fatehabad (UP)-Lalitpur TPS(LPGCL) ckt-12)all 220kV lines from Lalitpur 3)Generation at Lalitpur

19-Oct-16 15:39765kV Fatehabad 765(UP)-Lalitpur TPS(LPGCL) ckt-1 tripped. Due to which all 220kV lines from Lalitpur along with Lalitpur generation tripped.

GD1 UP Yes Yes Yes

107 71

1)765kV Fatehabad 765(UP)-Lalitpur TPS(LPGCL) ckt-12)all 220kV lines from Lalitpur 3)Generation at Lalitpur

20-Oct-16 13:11765kV Fatehabad 765(UP)-Lalitpur TPS(LPGCL) ckt-1 tripped. Due to which all 220kV lines from Lalitpur along with Lalitpur generation tripped.

GD1 UP Yes Yes Yes

108 72

1)220kV Dausa-Bassi 1 2)220kV Dausa-Bassi 23)220kV Dausa-Alwar4)220kV Dausa-Mandawar5)220kV Dausa-Sikrai6)220kV Dausa-Lalsot7)220kV Dausa-Sawai Madhopur

23-Oct-16 11:55B-phase CTs of 220kV Bus-Coupler Burnt and created bus fault on Bus-2. All feeders connected to bus tripped from Dausa end. 220kV Dausa-Bassi 1 & II ltripped on intertriping signal.


109 73 1) 400kV Abdullapur Bus-12) 400kV Abdullapur-Panchkula ckt-1

25-Oct-16 12:48Main bay of 400kV Abdullapur-panchkula ckt-1 was under S/D for some work. 400kV Abdullapur Bus-1 and 400kV Abdullapur-Panchkula ckt-1 tripped.


110 DelhI Yes Yes Yes


112 751)unit #7 at Harduaganj TPS (UP)2)unit #9 at Harduaganj TPS (UP)3)220/132kV ICT at Harduaganj TPS (UP)

30-Oct-16 03:22unit #7 & #9 tripped along with 220/132kV ICT due to accident made with Monkey.

GD1 UP Yes Yes Yes


114 NTPC Yes Yes Yes

115 77

1)400kV Sarnath-Varanasi 2)400kV Anpara-Sarnath 23)400/220kV Sarnath 315 MVA ICT 14)400/220kV Sarnath 315 MVA ICT 2

5-Nov-16 12:01

During opening of 400kV Sarnath-Varanasi line busbar protection of bus-II operated. This resulted in tripping of 400kV Anpara-Sarnath 2, 400/220kV Sarnath 315 MVA ICT 1 & 2.

GD1 UP Yes Yes Yes


117 UP Yes Yes NA

78

1)400kV Bus-1 & 2 at Dadri Thermal2)HVDC Rihand Dadri Pole 1 (Pole II already under S/D)3)Dadri Thermal 1: one unit generating 210 MW4) Dadri Thermal 2: 2 units generating 850 MW5)Dadri Gas –(2GT+1ST) generating around 400 MW6)400kV D d i M l k tl kt

10 N 16 10 49

At 10.49 Hrs, during shutdown of 400kV Bus-A at AC side of HVDC Dadri station, another bus inadvertently tripped due to wrong switching operation. It resulted into Bus fault for Bus-B

GD1

76

1)400kV Koldam(NTPC)-Parbati Pool(PG)2)400kV Koldam(NTPC)-Nalagarh(PG) ckt-1 3)400kV Parbati pool(PG) - Parbati(3)(NHPC) bypassing Parbati(2)

1-Nov-16 00:11

400kV Koldam(NTPC)-Parbati Pool(PG), 400kV Koldam(NTPC)-Nalagarh(PG) ckt-1 and 400kV Parbati pool(PG) - Parbati(3)(NHPC) bypassing Parbati(2) tripped on over voltage.

GI2

74 1)400kV Ballabgarh-Bamnoli ckt-2 29-Oct-16 12:06Emergency S/D of 400kV Ballabgarh-Bamnoli ckt-1 availed and while opening the line ckt-2 got tripped. Load loss occurred.

GD1

691)220 kV Ludiana-Jagrao2)400/220kV Ludhiana 315 MVA ICT 1 3)400/220kV Ludhiana 315 MVA ICT 2

18-Oct-16 11:29220 kV Ludiana-Jagrao line tripped due to fault in line near wave trap at Ludhiana S/S. 400/220kV Ludhiana 315 MVA ICT 1 and 2 tripped aloong with this.

GD1


after 24hrs

Not Received

within 24hrs

after 24hrs

Not Received

ReceivedNot




OutageEvent

(As reported)


Standards


119 Delhi Yes Yes NA


121 UP Yes Yes Yes79 1)220kV Meerut(PG)-Modipuram(UP) 1

2)220kV Meerut(PG)-Modipuram(UP) 211-Nov-16 09:11 220kV Meerut(PG)-Modipuram(UP) 1 & 2 tripped reportedly

on B-phase to earth fault.GI2

78

6)400kV Dadri-Malerkotla ckt7)400kV Dadri-Mandaula ckt-1 & 28) 400kV Dadri-Panipat ckt-29)Dadri-G Noida ckt10)Dadri-Harsh Vihar ckt-111)400/220kV Dadri-ICT-112)400/220kV Dadri-ICT-213)400/220kV Dadri-ICT-3

10-Nov-16 10:49

g g p

and all the main CBs connected to Bus-B also tripped. Both 400kV AC buses of HVDC Dadri tripped. Case-2 of Rihand-Dadri SPS operated and shed the load group C&D.

GD1


after 24hrs

Not Received

within 24hrs

after 24hrs

Not Received

ReceivedNot




OutageEvent

(As reported)


Standards



124 81 1)400/220kV Nuhiyawali 315 MVA ICT 12)400/220kV Nuhiyawali 315 MVA ICT 2

11-Nov-16 20:46 400/220kV Nuhiyawali 315 MVA ICT 1 & 2 tripped. GI2 Haryana Yes Yes Yes






130 BBMB Yes Yes NA

131 851)400kV Kanpur(765)-Kanpur ckt-12)All elements connected at 765/400kV Kanpur(PG)

25-Nov-16 16:57

LA of 400kV Kanpur(765)-Kanpur ckt-1 at Kanpur(765) end blasted resulting complete outage of whole 765/400kV Kanpur(PG) station. 400kV Kanpur(765)-Kanpur ckt-2 was under S/D.


132 86 1)400kV Heerapura-Merta2)400kV Heerapura(RVPNL)-Phagi(RVPNL) ckt-1

27-Nov-16 10:32400kV Heerapura-Merta and 400kV Heerapura(RVPNL)-Phagi(RVPNL) ckt-1 tripped reportedly on phase to earth fault.




135 88 1)400kV Bareilly-Unnao ckt-12)400kV Bareilly-Unnao ckt-2

29-Nov-16 01:08400kV Bareilly-Unnao ckt-1 tripped on overvoltage and Bareilly-Unnao ckt-2 tripped on phase to earth fault.

GI2 UP Yes Yes Yes

136 UP Yes Yes Yes

137 Uttarakhand Yes Yes Yes

138 90 1)400kV Muradnagar-Muzaffarnagar2)400kV Alaknanda HEP - Muzaffarnagar ckt-2

29-Nov-16 03:37400kV Muradnagar-Muzaffarnagar and 400kV Alaknanda HEP - Muzaffarnagar ckt-2 tripped reportedly on phase to earth fault.

GI2 UP Yes Yes Yes

139 91 1)500kV HVDC Balia-Bhiwadi pole-1 2)500kV HVDC Balia-Bhiwadi pole-2

30-Nov-16 00:18500kV HVDC Balia-Bhiwadi Bipole tripped on transient fault due to non availability of 66 KV earth electrode line at Bhiwadi end.


140 92 1)765/400kV Fatehabad 765(UP) 1500 MVA ICT 12)765kV Fatehabad 765(UP)-Lalitpur TPS(LPGCL) 1

30-Nov-16 00:59765/400kV Fatehabad 765(UP) 1500 MVA ICT 1 and 765kV Fatehabad 765(UP)-Lalitpur TPS(LPGCL) 1 tripped.

GI2 UP Yes Yes Yes

89 1)400kV Alaknanda HEP(UP)-Srinagar(UTT) ckt-12)400kV Alaknanda HEP(UP)-Srinagar(UTT) ckt-2

29-Nov-16 02:10400kV Alaknanda HEP(UP)-Srinagar(UTT) ckt-1 & 2 tripped reportedly on phase to earth fault.

GI2

87

1)400/220kV Hissar 315MVA ICT #12)400/220kV Hissar 315MVA ICT #33)220kV Hisar(PG)-Hisar-IA(HVPNL) ckt-14)220kV Hisar(PG)-Hisar-IA(HVPNL) ckt-25)220kV Hisar(PG)-Isharwal(HVPNL) ckt-2

28-Nov-16 10:43400/220kV Hissar 315MVA ICT #1 & 3, 220kV Hisar(PG)-Hisar-IA(HVPNL) ckt-1 & 2 and 220kV Hisar(PG)-Isharwal(HVPNL) 2 tripped. Busbar protection operation is reported.

GI2

84

1)400kV Dehar(BBMB)-Rajpura(PSTCL)2)400kV Bhiwani(BBMB)-Rajpura(PSTCL)3)400kV Rajpura(PSTCL)-Rajpura TPS(PSEB)4) Dehar HEP(BBMB) unit #4

21-Nov-16 21:17

On bus-bar operation at Rajpura(PSTCL), 400kV Dehar(BBMB)-Rajpura(PSTCL), 400kV Bhiwani(BBMB)-Rajpura(PSTCL), 400kV Rajpura(PSTCL)-Rajpura TPS(PSEB) along with unit #4 at Dehar HEP(BBMB) tripped.

GD1

831)400kV Maharanibagh-Ballabhgarh 2)220kV Maharanibagh-Lodhi Road ckt-13)220kV Maharanibagh-Truma centre ckt-2

21-Nov-16 01:17400kV Maharanibagh-Ballabhgarh tripped on overvoltage at 01:17hrs. 220kV Maharanibagh-Lodhi Road ckt-1 and 220kV Maharanibagh-Truma centre ckt-2 tripped along with this.

GD1

82 1)400kV Maharanibagh-Ballabhgarh 2)400kV Maharanibagh-Dadri TH

20-Nov-16 03:03400kV Maharanibagh-Ballabhgarh and 400kV Maharanibagh-Dadri TH tripped on overvoltage.

GD1

80 1)400kV Bahadurgarh(PG)-Bawana(DTL) 2)400kV Bahadurgarh(PG)-Bawana(GT)

11-Nov-16 14:16400kV Bahadurgarh(PG)-Bawana(DTL) tripped due to wavetrap problem and 400kV Bahadurgarh(PG)-Bawana(GT) tripped along with this.

GI2


after 24hrs

Not Received

within 24hrs

after 24hrs

Not Received

ReceivedNot




OutageEvent

(As reported)


Standards



93

1)220kV Badarpur(NTPC)-Ballabgarh(BBMB) 22)220kV Badarpur(NTPC)-Noida sec 20s(UP)3)220kV Badarpur(NTPC)-Sarita vihar(DTL) 24)220kV BTPS(NTPC)-MIA Alwar(RPVNL)5)220kV Badarpur(NTPC)-Mahrauli(DTL) 26)220kV Badarpur(NTPC)-Okhla(DTL) 2

30-Nov-16 03:14

220kV Badarpur(NTPC)-Ballabgarh(BBMB) 2, 220kV Badarpur(NTPC)-Noida sec 20s(UP), 220kV Badarpur(NTPC)-Sarita vihar(DTL) 2, 220kV BTPS(NTPC)-MIA Alwar(RPVNL), 220kV Badarpur(NTPC)-Mahrauli(DTL) 2 and 220kV Badarpur(NTPC)-Okhla(DTL) 2 tripped.

GD1


after 24hrs

Not Received

within 24hrs

after 24hrs

Not Received

ReceivedNot




OutageEvent

(As reported)


Standards

143 94 1)400/220kV 240MVA Muradnagar ICT #12)400/220kV 240MVA Muradnagar ICT #2

30-Nov-16 03:50 400/220kV 240MVA Muradnagar ICT #1 & 2 tripped. GD1 UP Yes Yes Yes

144 95 1)400kV Anpara-Mau2)400kV Anpara-Obra

1-Dec-16 01:56 400kV Anpara-Mau and 400kV Anpara-Obra tripped due to dense fog.

GI2 UP Yes Yes Yes

145 961)400kV Nakodar - Rajpura (TH) ckt-1 2)4400kV Nakodar - Rajpura (TH) ckt-23)400kV Rajpura TH unit #2

2-Dec-16 06:00 400kV Nakodar - Rajpura (TH) ckt-1 and 2 tripped due to dense fog. Rajpura TH unit #2 tripped due to outage of lines.

GD1 Punjab Yes Yes Yes

146 97 1)400kV Balia-Patna ckt-3 2)400kV Balia-Patna ckt-4

3-Dec-16 03:23 400kV Balia-Patna ckt-3 & 4 tripped on Y-N fault during high density fog.


147 98 1)400kV Makhu-Mukatsar ckt-1 2)400kV Makhu-Mukatsar ckt-2

4-Dec-16 06:29 400kV Makhu-Mukatsar ckt-1 & 2 tripped reportedly on phase to earth fault.


148 99 1)400kV Bareilly-Unnao ckt-12)400kV Bareilly-Unnao ckt-2

5-Dec-16 20:40 400kV Bareilly-Unnao ckt-1 tripped on overvoltage and Bareilly-Unnao ckt-2 tripped due to fog.

GI2 UP Yes Yes Yes

149 100 1)400kV Dhuri(400kV) -Rajpura TH ckt-1 2)400kV Dhuri(400kV) -Rajpura TH ckt-2

8-Dec-16 02:28 400kV Dhuri(400kV) -Rajpura TH ckt-1 & 2 tripped due to fog. GI2 Punjab Yes Yes Yes

150 101

1)400kV Rajpura-Dehar2)400kV Rajpura-Nakodar ckt-23)400kV Rajpura-Bhiwani4)400kV Rajpura-Nakodar ckt-15)400kV Rajpura-Rajpura(Th)6)400kV Rajpura Th unit #2

8-Dec-16 03:08

In antecedent condition, 400kV Rajpura-Dehar was already opened on High voltage.400kV Rajpura-Nakodar ckt-2 tripped at 02:54hrs. 400kV Rajpura-Nakodar ckt-1, 400kV Rajpura-Bhiwani and 400kV Rajpura-Rajpura(Th) tripped at 03:08hrs due to fog. Due to loss of evacuation path, 400kV Rajpura Th unit #2 generating around 350MW tripped.


151 102

1)400 kV Talwandi Sabo-Nakodar2)400 kV Talwandi Sabo-Dhuri 13)400 kV Talwandi Sabo-Dhuri 24)400 kV Talwandi Sabo-Moga5)400 kV Talwandi Sabo-Mukatsar 16)400 kV Talwandi Sabo-Mukatsar 27)400kV Talwandi Sabo unit #18)400kV Talwandi Sabo unit #2

8-Dec-16 03:53

In antecedent condition, 400 kV Talwandi Sabo-Nakodar, 400 kV Talwandi Sabo-Dhuri 1 & 2 were already opened on over voltage. 400 kV Talwandi Sabo-Moga tripped at 01:38hrs. 400 kV Talwandi Sabo-Mukatsar 1&2 tripped at 03:08hrs due to fog. Due to loss of evacuation path, 400kV Talwandi Sabo unit #1 & 2 generating around 650MW tripped.


152 BBMB Yes Yes Yes


154 1041)15MVA 400/220kV Bawana(DTL) ICT#12)15MVA 400/220kV Bawana(DTL) ICT#33)15MVA 400/220kV Bawana(DTL) ICT#4

11-Dec-16 08:37 315MVA 400/220kV Bawana(DTL) ICT#1, 3 & 4 tripped on busbar protection operation.


155 105 1)400kV Khedar-Kirori ckt-12)400kV Khedar-Kirori ckt-2

12-Dec-16 06:53 400kV Khedar-Kirori ckt-1 & 2 tripped reportedly on overvoltage.

GI2 Haryana Yes Yes Yes

156 106 1)400kV Bassi-Phagi ckt-12)400kV Bassi(PG) bus-2

13-Dec-16 12:41 400kV Bassi-Phagi ckt-1 and 400kV Bassi(PG) bus-2 tripped due to busbar protection operation at Bassi(PG).


103 1)400kV Panchkula (PG) - Panipat (BBMB)2)400kV Dadri(NTPC)-Panipat(BBMB) ckt-1

10-Dec-16 08:33400kV Panchkula (PG) - Panipat (BBMB) and 400kV Dadri(NTPC)-Panipat(BBMB) ckt-1 tripped.

GI2


after 24hrs

Not Received

within 24hrs

after 24hrs

Not Received

ReceivedNot




OutageEvent

(As reported)


Standards


158 THDC Yes Yes Yes


160 J&K Yes Yes Yes

161 NHPC Yes Yes Yes

108

1)400KV Uri-Wagoora ckt 1&2 2)400kV Uri 1-Uri 11 ckt 3)400KV Uri II-wagoora ckt 4)400KV Wagoora-zainakote ckt-1&2 5)220KV Wagoora-Pampore ckt-1&2 6)400KV Kishenpur-New Wanpoh ckt-1&2 7)400kV Kishenpur-Samba Ckt-1&2 8)400KV Kishenpur-Moga ckt-1 9) 400KV Kishenpur-Chamera II 10)400KV Kishenpur-Baglihar ckt-1&2 11)220kV Kishenpur-Ramban-Mirbazar 12)220KV Kishenpur-Mirbazar 13) 400KV Jallandhar-Samba Ckt-1&2 14) 400KV Chamera-I-Chamera II 15)400KV Chamera I-Jallandhar ckt-1

23-Dec-16 01:24

All 220kV feeder of Kashmir valley connected to Wagoora station (220kV Wagoora-Pampore double circuit and 220kV Wagoora-Zaiankote double circuit) unloaded. It resulted into increased in the loading at 220kV Kishenpur-Ramban and Kishenpur-Mirbazar. 220kV Kishenpur-Ramban and Kishenpur-Mirbazar circuit tripped on cascade. Multiple 400kV elements connected to Kishenpur, Wagoora, New Wanpoh also tripped on over voltage protection or DT received from remote end.

GD1

107

1)400kV Meerut(PG)-Koteshwar Pool ckt-22)400kV Koteshwar Pool-Tehri ckt-13)400kV Koteshwar Pool-Tehri ckt-24)400kV Koteshwar Pool-Koteshwar ckt-15)400kV Koteshwar Pool-Koteshwar ckt-26)400kV Tehri unit #17)400kV Tehri unit #28)400kV Tehri unit #39)400 koteshwar unit #1

18-Dec-16 19:20

In antecedent condtition, 400kV Meerut(PG)-Koteshwar Pool ckt-1 was under planned outage. At 19:20hrs, 400kV Meerut(PG)-Koteshwar Pool ckt-2 tripped due B-phase isolator problem at meerut end. 400kV Koteshwar Pool-Tehri and 400kV Koteshwar Pool-Koteshwar both ckts also tripped at same time. Due to loss of evacuation path, Tehri and Koteshwar gen tripped.

GD1

भारत सरकार ... · नई दिल्ल - 110016 government of india, ministry...

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