An ISO 9001:2015 Organization
State Load Despatch Center, Delhi
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SMS Report     Message ID Time stamp Message 20230925235549 2023/09/25 23:55:50 1) Name of the substation and Time: 400 KV Mundka : At 23:48 Hrs 2) Name of element tripped/restored: 220 KV Mundka -Kanjhawala Ckt charged at 23:48 Hrs 3) Relay Annunciation: - 4) Details of physically damaged equipment: - 5) Immediate corrective/system normalization steps performed: - 6) Any other relevant information: 220 KV Mundka -Kanjhawala Ckt charged at 23:48 Hrs Regards, Delhi SLDC 20230925215706 2023/09/25 21:57:07 1) Name of the substation and Time: 220 KV Kanjhawala At 21:37 Hrs 2) Name of element tripped/restored: 220 KV Najafgarh-Kanjhawala Ckt Charged at 21:37 Hrs 3) Relay Annunciation: - 4) Details of physically damaged equipment: - 5) Immediate corrective/system normalization steps performed: - 6) Any other relevant information: 220 KV Najafgarh-Kanjhawala Ckt Charged at 21:37 Hrs Regards, Delhi SLDC 20230925163607 2023/09/25 16:36:07 1) Name of the substation and Time: Corrigendum: 220kV Preet vihar, 13:27 Hours 2) Name of element tripped/restored: 220kV Bus Bar Operated, all 220kV Feeders and 100MVA Transformer tripped 3) Relay Annunciation: 220kV Bus Bar 4) Details of physically damaged equipment: NIL 5) Immediate corrective/system normalization steps performed: Load shifted to 220kV Gazipur at 13:30 HRs, further 220kV Bus coupler at Pragti was made on at 13:34, hence load shared by other grids. 6) Any other relevant information: 220kV Harsh vihar ckt 1 and 2 charged at 13:37 and 13:38 HRs, at 13:41 HRs PPG ckt 1 and 2 charged, 100MVA Tr 1 charged 13:39HRs and 100MVA Tr 2 charged 13:40Hrs Load shifted by Discoms and DTL immidiately. Regards, Delhi SLDC 20230925152616 2023/09/25 15:26:17 1) Name of the substation and Time: 220KV Najafgarh, 15:00Hrs. 2) Name of element tripped/restored: 220KV Kanjhawala tripped 3) Relay Annunciation: RYB Phase, Zone-2 and 3 and Fault Location - 14.49Km 4) Details of physically damaged equipment: Nil 5) Immediate corrective/system normalization steps performed: Nil 6) Any other relevant information: Nil Regards, Delhi SLDC 20230925151205 2023/09/25 15:12:06 1) Name of the substation and Time: 400KV Mundka, 13:56Hrs. 2) Name of element tripped/restored: 220KV Kanjhawala tripped 3) Relay Annunciation: Y-Phase, B-Phase, Zone-1, Zone-2, Zone-3, Fault Location - 6.384Km and Fault Current, Y-Phase - 1KA and B-Phase - 18.56KA 4) Details of physically damaged equipment: Nil 5) Immediate corrective/system normalization steps performed: Nil 6) Any other relevant information: Nil Regards, Delhi SLDC 20230925150626 2023/09/25 15:06:26 1) Name of the substation and Time: 220KV Kanjhawala, 14:38Hrs. 2) Name of element tripped/restored: 220KV Najafgarh restored 3) Relay Annunciation: Nil 4) Details of physically damaged equipment: Nil 5) Immediate corrective/system normalization steps performed: Nil 6) Any other relevant information: Nil Regards, Delhi SLDC 20230925150226 2023/09/25 15:02:27 1) Name of the substation and Time: 220KV Kanjhawala, 14:00Hrs. 2) Name of element tripped/restored: 220KV Najafgarh tripped 3) Relay Annunciation: Y-Phase, B-Phase, Zone-2 and Fault Location - 12.94Km 4) Details of physically damaged equipment: Nil 5) Immediate corrective/system normalization steps performed: Nil 6) Any other relevant information: Nil Regards, Delhi SLDC 20230925143424 2023/09/25 14:34:25 1) Name of the substation and Time: 220kV Preet Vihar, 13:30 2) Name of element tripped/restored: 220 BUS Bar operated, resulting tripping of all 220kV Feeders and Transformers 3) Relay Annunciation: 220kV Bus Bar operated 4) Details of physically damaged equipment: NIL 5) Immediate corrective/system normalization steps performed: Load shifted to other 220kV Feeders 6) Any other relevant information: 220kV Preet Vihar 220kV Feeders were restored at 13:45Hrs, tripping occurred due to working of OEM at site without informing SO, SLDC. Regards, Delhi SLDC 20230924202159 2023/09/24 20:22:00 1) Name of the substation and Time: At Lodi Road(18:18hrs) 2) Name of element tripped/restored: 100MVA-I and III, 16MVA-IV. 3) Relay Annunciation: bus bar protection. 4) Details of physically damaged equipment: none. 5) Immediate corrective/system normalization steps performed: Discoms asked to C/O load. 6) Any other relevant information: 100MVA-I was already under S/D. Regards, Delhi SLDC 20230924201921 2023/09/24 20:19:22 1) Name of the substation and Time: At Lodi Road(18:06hrs) 2) Name of element tripped/restored: 100MVA-II and III, 16MVA-IV. 3) Relay Annunciation: bus bar protection operated. 4) Details of physically damaged equipment: none. 5) Immediate corrective/system normalization steps performed: Discoms asked to C/O load. 6) Any other relevant information: 100MVA-I was already under S/D. Regards, Delhi SLDC 20230923133058 2023/09/23 13:30:59 1) Name of the substation and Time: At Harsh Vihar(12:59hrs) 2) Name of element tripped/restored: 315MVA ICT-III. 3) Relay Annunciation: WTI, 86. 4) Details of physically damaged equipment: none. 5) Immediate corrective/system normalization steps performed: Load taken by other ckts. 6) Any other relevant information: Rainy weather outside. Regards, Delhi SLDC 20230922183320 2023/09/22 18:33:21 1) Name of the substation and Time: 220 KV Narela ,18:00 Hrs 2) Name of element tripped/restored: 220 Panipat ckt-I charged at 18:00 Hrs 3) Relay Annunciation: - 4) Details of physically damaged equipment: - 5) Immediate corrective/system normalization steps performed: - 6) Any other relevant information: 220 Panipat ckt-I charged at 18:00 Hrs Regards, Delhi SLDC 20230922172259 2023/09/22 17:23:01 1) Name of the substation and Time: At Rajghat(16:00hrs) 2) Name of element tripped/restored: 33KV I/C-II. 3) Relay Annunciation: O/C and E/F. 4) Details of physically damaged equipment: na 5) Immediate corrective/system normalization steps performed: na 6) Any other relevant information: na Regards, Delhi SLDC 20230922172049 2023/09/22 17:20:50 1) Name of the substation and Time: At Rajghat(15:05hrs) 2) Name of element tripped/restored: 33KV I/C-II. 3) Relay Annunciation: O/C and E/F. 4) Details of physically damaged equipment: Y and B phase pole of 33KV GB Pant damaged. 5) Immediate corrective/system normalization steps performed: Discoms asked to C/O load. 6) Any other relevant information: B phase pole of 33KV Bay 12 also damaged. Regards, Delhi SLDC 20230922152510 2023/09/22 15:25:12 1) Name of the substation and Time: At Narela(13:37hrs) 2) Name of element tripped/restored: 220KV Mandola ckt-I. 3) Relay Annunciation: A/R at Narela end. 4) Details of physically damaged equipment: awaited. 5) Immediate corrective/system normalization steps performed: Load taken on 220KV DSIIDC ckts. 6) Any other relevant information: ckt tripped at Mandola end and Narela-Mandola ckt-II is under S/D. Regards, Delhi SLDC 20230922152107 2023/09/22 15:21:08 1) Name of the substation and Time: At Narela(13:12hrs) 2) Name of element tripped/restored: 220KV Panipat ckt-I. 3) Relay Annunciation: R phase triping, 186. 4) Details of physically damaged equipment: R phase jumper of wave trap at Panipat end broken. 5) Immediate corrective/system normalization steps performed: Load taken by other parallel ckt. 6) Any other relevant information: none. Regards, Delhi SLDC 20230921141511 2023/09/21 14:15:11 1) Name of the substation and Time: 220 KV Narela ,at 14:08 Hrs 2) Name of element tripped/restored: 220 KV DSIDC Ckt-II restored at 14:08 hrs 3) Relay Annunciation: - 4) Details of physically damaged equipment: - 5) Immediate corrective/system normalization steps performed: - 6) Any other relevant information: 220 KV DSIDC Ckt-II restored at 14:08 hrs Regards, Delhi SLDC 20230921095236 2023/09/21 09:52:37 1) Name of the substation and Time: 220 KV Narala at 09:31 Hrs 2) Name of element tripped/restored: 220 KV DSIDC ckt-II 3) Relay Annunciation: Zone-I, Ph-C, F/L 1.305KM, Ia-4.52A,Ib-4.48A,Ic-99.69A ,86 C , Start ph-CN ,Activ gr-I 220 KV CVT Disappear at 220 KV DSIDC end 4) Details of physically damaged equipment: - 5) Immediate corrective/system normalization steps performed: - 6) Any other relevant information: No load Effected Regards, Delhi SLDC 20230921092213 2023/09/21 09:22:14 1) Name of the substation and Time: 220kV Narela @ 09:10Hrs 2) Name of element tripped/restored: 220kV Rohtak Road-I charged. 3) Relay Annunciation: na 4) Details of physically damaged equipment: na 5) Immediate corrective/system normalization steps performed: na 6) Any other relevant information: na Regards, Delhi SLDC 20230921065404 2023/09/21 06:54:06 1) Name of the substation and Time: 220kV Narela @ 03:55Hrs 2) Name of element tripped/restored: 220KV Rohtak Road -I tripped at both end. 3) Relay Annunciation: Relay at Narela end: ABC Ph. Trip, Zone-1, 2.765kM , I Fault (B Ph.) = 7.62KA. 4) Details of physically damaged equipment: na 5) Immediate corrective/system normalization steps performed: na 6) Any other relevant information: na Regards, Delhi SLDC 20230920173313 2023/09/20 17:33:14 1) Name of the substation and Time: 220kV Narela @ 17:08Hrs 2) Name of element tripped/restored: 220kV DSIDC -II restored. 3) Relay Annunciation: na 4) Details of physically damaged equipment: na 5) Immediate corrective/system normalization steps performed: na 6) Any other relevant information: na Regards, Delhi SLDC 20230920150848 2023/09/20 15:08:49 1) Name of the substation and Time: 220kV Narela, 14:54 Hrs 2) Name of element tripped/restored: 220kV DSIDC Ckt-II 3) Relay Annunciation: Zone-I, Fault Loaction- 320 m, Ia-4.22A, Ib-4.84A, Ic-23.56A ( CVT disappeared DSIDC end) 4) Details of physically damaged equipment: - 5) Immediate corrective/system normalization steps performed: No load affected 6) Any other relevant information: - Regards, Delhi SLDC 20230920131048 2023/09/20 13:10:49 1) Name of the substation and Time: 220 KV Bawana , 13:02 Hrs 2) Name of element tripped/restored: 220 KV Shalimarg bhag ckt-I Restored at 13:02 Hrs 3) Relay Annunciation: - 4) Details of physically damaged equipment: - 5) Immediate corrective/system normalization steps performed: - 6) Any other relevant information: 220 KV Shalimarg bhag ckt-I Restored at 13:02 Hrs Regards, Delhi SLDC 20230920120227 2023/09/20 12:02:28 1) Name of the substation and Time: 220kV Bawana, 11:25 Hrs 2) Name of element tripped/restored: 220 SMB-I 3) Relay Annunciation: At Bawana:-R-ph trip, Zone-II, 86, Distance-10.3kM, F/C-Ia-10.3kA, Ib-399.7A,Ic-1.136kA, In-8.9KA. At SMB:- CVT disappeared only 4) Details of physically damaged equipment: - 5) Immediate corrective/system normalization steps performed: At 11:30 Hrs B/C put on and load taken at 220kV RHN-I, Ckt-I and system normalized 6) Any other relevant information: Approx. load affected 103 MW Regards, Delhi SLDC 20230918183222 2023/09/18 18:32:23 1) Name of the substation and Time: 220 kv vasantkunj @18.28 2) Name of element tripped/restored: 66 kv i/c-1 3) Relay Annunciation: na 4) Details of physically damaged equipment: na 5) Immediate corrective/system normalization steps performed: na 6) Any other relevant information: na Regards, Delhi SLDC 20230918182316 2023/09/18 18:23:17 1) Name of the substation and Time: 220KV Vasant Kunj, 18:18Hrs. 2) Name of element tripped/restored: 100MVA-II along with 66KV I/C-II restored 3) Relay Annunciation: Nil 4) Details of physically damaged equipment: Nil 5) Immediate corrective/system normalization steps performed: Nil 6) Any other relevant information: Nil Regards, Delhi SLDC 20230918175438 2023/09/18 17:54:39 1) Name of the substation and Time: 220KV Vasant Kunj, 17:36Hrs. 2) Name of element tripped/restored: 66KV I/C-I tripped 3) Relay Annunciation: R-Phase, O/C and 86 4) Details of physically damaged equipment: Nil 5) Immediate corrective/system normalization steps performed: 66KV Bus-Coupler charged at 17:42HRS. and supply restored 6) Any other relevant information: Total load effected - 13MW for 6 Minutes Regards, Delhi SLDC 20230918164821 2023/09/18 16:48:22 1) Name of the substation and Time: Peeragarhi 2) Name of element tripped/restored: At 16:37Hrs 50MVAR reactor charged which was under breakdown since 18/08/2023. 3) Relay Annunciation: na 4) Details of physically damaged equipment: na 5) Immediate corrective/system normalization steps performed: na 6) Any other relevant information: na Regards, Delhi SLDC 20230918085622 2023/09/18 08:56:23 1) Name of the substation and Time: At 08:18 HRS 220KV Parkstreet 2) Name of element tripped/restored: 220KV Parkstreet-Devnagar CKT Energized 3) Relay Annunciation: - 4) Details of physically damaged equipment: - 5) Immediate corrective/system normalization steps performed: - 6) Any other relevant information: 220KV Parkstreet-Devnagar CKT Energized Regards, Delhi SLDC 20230918054222 2023/09/18 05:42:23 1) Name of the substation and Time: 220kV Park Street ,04:31 Hrs 2) Name of element tripped/restored: 220kV Dav Nagar 3) Relay Annunciation: At P/ Street End:-O/C-,86,Ia-887 A, Ib-139 A, Ic-120A, In-420 A At 220kV Dav Nagar:- No tripping (Only CVT Disappeared) 4) Details of physically damaged equipment: - 5) Immediate corrective/system normalization steps performed: Load has been changed over by Discom. 6) Any other relevant information: Approx .40 Mw affected Regards, Delhi SLDC 20230917082811 2023/09/17 08:28:11 1) Name of the substation and Time: At Vasant Kunj(07:00hrs) 2) Name of element tripped/restored: 100MVA-II(220/66KV) 3) Relay Annunciation: Bucholz trip, LLB, 30A. 4) Details of physically damaged equipment: none. 5) Immediate corrective/system normalization steps performed: Load taken by other transformer. 6) Any other relevant information: Informed by Substation staff at 08:15hrs. Regards, Delhi SLDC 20230916130910 2023/09/16 13:09:11 1) Name of the substation and Time: 220 kv PPG @13.07 2) Name of element tripped/restored: 220 KV GEETA COLONY-2 3) Relay Annunciation: NA 4) Details of physically damaged equipment: NA 5) Immediate corrective/system normalization steps performed: NA 6) Any other relevant information: NA Regards, Delhi SLDC 20230916121444 2023/09/16 12:14:45 1) Name of the substation and Time: 220 kv ppg @ 14.01 2) Name of element tripped/restored: 220 kv geeta colony ckt-2 3) Relay Annunciation: y,b ph diss trip ,86 4) Details of physically damaged equipment: na 5) Immediate corrective/system normalization steps performed: no load effected 6) Any other relevant information: inforned operation staff/mtc for line clearnce . Regards, Delhi SLDC 20230915233313 2023/09/15 23:33:14 1) Name of the substation and Time: SOW 2) Name of element tripped/restored: At 21:34Hrs 66KV I/C-4 and 66KV B/C tripped on O/C. R-phase Bus-II jumper of 66KV I/C-4 got broken. Load affected was approx. 100MW. Discoms had shifted their load. At 22:50Hrs 66KV I/C-4 charged on 66KV Bus-I. 3) Relay Annunciation: na 4) Details of physically damaged equipment: na 5) Immediate corrective/system normalization steps performed: na 6) Any other relevant information: na Regards, Delhi SLDC 20230915065103 2023/09/15 06:51:04 1) Name of the substation and Time: 220 KV Mehrauli:-01:18 hrs 2) Name of element tripped/restored: 66 KV I/C-III 3) Relay Annunciation: - 4) Details of physically damaged equipment: - 5) Immediate corrective/system normalization steps performed: 66 KV I/C-III Charged at 01:18 hrs 6) Any other relevant information: - Regards, Delhi SLDC 20230914225249 2023/09/14 22:52:51 1) Name of the substation and Time: 220kV MLI, 20:18 Hrs 2) Name of element tripped/restored: 66kV I/C-I and III with broken of B-Ph bus-I jumper of 66kV I/C-III 3) Relay Annunciation: E/F on 66kV I/C-I and III 4) Details of physically damaged equipment: B-Ph bus-I jumper of 66kV I/C-III ( Broken) 5) Immediate corrective/system normalization steps performed: At 21:12 Hrs 66kV I/C-I charged after shifting bus isolator to Bus-II, At 21:13 Hrs DMRC Ckt-I charged after shifting bus isolator to Bus-II At 21:33 Hrs 20 MVA-I charged after shifting bus isolator to Bus-II 6) Any other relevant information: Load affected approx. 135 MW. Note:-66kV DMRC Ckt-II, 66kV C1 Vasant kunj and 66kV C.Dot Ckt-I could not be charged due to bus isolator problem during shifting from Bus-I to Bus-II. Regards, Delhi SLDC 20230914161205 2023/09/14 16:12:07 1) Name of the substation and Time: At Patparganj(15:42hrs) 2) Name of element tripped/restored: 220KV Geeta Colony-II. 3) Relay Annunciation: E/F, C-N, 86 RYB. 4) Details of physically damaged equipment: none. 5) Immediate corrective/system normalization steps performed: Discoms asked to C/O load. 6) Any other relevant information: No load affected. Regards, Delhi SLDC 20230914160959 2023/09/14 16:10:00 1) Name of the substation and Time: At Patparganj(15:30) 2) Name of element tripped/restored: 220KV Geeta colony ckt-II 3) Relay Annunciation: 86 RYB ,E/F, C-N ,11.94KA. 4) Details of physically damaged equipment: None. 5) Immediate corrective/system normalization steps performed: Discoms asked to C/O load. 6) Any other relevant information: No load affected. Regards, Delhi SLDC 20230913131919 2023/09/13 13:19:20 1) Name of the substation and Time: 220kV DSIDC Bawana, 2) Name of element tripped/restored: 220kV Bawana 3) Relay Annunciation: - 4) Details of physically damaged equipment: - 5) Immediate corrective/system normalization steps performed: At 13:15 charged 6) Any other relevant information: - Regards, Delhi SLDC 20230913121711 2023/09/13 12:17:12 1) Name of the substation and Time: 220kV DSIDC Bawana , 11:30 Hrs. 2) Name of element tripped/restored: 220kV Bawana-I 3) Relay Annunciation: 220kV DSIDC End:-Distance prot, R-Ph zone-I. 220kV Bawana End:- R,Y and B-Ph trip, Zone-1 distance trip 4) Details of physically damaged equipment: - 5) Immediate corrective/system normalization steps performed: At 11:35 Hrs Load has been taken on 220kV Narela 6) Any other relevant information: Approx. load affected 107 MW Regards, Delhi SLDC 20230912140208 2023/09/12 14:02:15 1) Name of the substation and Time: At13:32 HRS 220KV RPH 2) Name of element tripped/restored: 33KV I/C No-1 and 2 with 33KV Buscoupler 3) Relay Annunciation: O/C and E/F both Incomer 4) Details of physically damaged equipment: Monkey jumping 5) Immediate corrective/system normalization steps performed: At 13:52 HRS System energized and in normal position 6) Any other relevant information: Load affected approx 78MW Regards, Delhi SLDC 20230911082658 2023/09/11 08:26:59 1) Name of the substation and Time: 220 kv masjid moth @08.05 hrs 2) Name of element tripped/restored: 220 kv tuglajkabad ckt-1 along 100 mva tr -3 3) Relay Annunciation: 220 kv tuglajkabad ckt-1 GRV TRIP RELAY 100 MVA TR-3 86 ,TRIP RELAY 33 KV I/C 86 4) Details of physically damaged equipment: NA 5) Immediate corrective/system normalization steps performed: NO LOAD EFFECTED 6) Any other relevant information: Mtc staff checking DC LEAKAGES and restoreation done 20 kv tuglajkabad ckt-1@08.07 100 MVA TR-3 ,@08.15 33 KV I/C @08.15 Regards, Delhi SLDC 20230911081932 2023/09/11 08:19:33 1) Name of the substation and Time: 220 kv gopal pur@08.02 2) Name of element tripped/restored: 33 kv incommer -1 3) Relay Annunciation: w/o indication 4) Details of physically damaged equipment: na 5) Immediate corrective/system normalization steps performed: 33 kv bus cxoupler closed .load resotred @08.03 hrs 6) Any other relevant information: na Regards, Delhi SLDC 20230910210848 2023/09/10 21:08:49 1) Name of the substation and Time: 220KV BTPS, 20:56Hrs. 2) Name of element tripped/restored: 220KV Tughlakabad-I charged at 20:53Hrs. and 220KV Okhla-I and 220KV Sarita Vihar-I charged at 20:56Hrs. 3) Relay Annunciation: Nil 4) Details of physically damaged equipment: Nil 5) Immediate corrective/system normalization steps performed: Nil 6) Any other relevant information: Nil Regards, Delhi SLDC 20230910191624 2023/09/10 19:16:25 1) Name of the substation and Time: 220 kv BTPS@18.36 2) Name of element tripped/restored: 220 kv BTPS-TUG CKT-2 @18.36 220 kv BTPS-OKHLA CKT-2 @18.48 220 kv BTPS-srv ckt-2 @18.49 3) Relay Annunciation: na 4) Details of physically damaged equipment: na 5) Immediate corrective/system normalization steps performed: na 6) Any other relevant information: na Regards, Delhi SLDC 20230910184558 2023/09/10 18:45:59 1) Name of the substation and Time: 220 kv gopalpur @18.36 2) Name of element tripped/restored: 33 kv incommer-1 3) Relay Annunciation: na 4) Details of physically damaged equipment: na 5) Immediate corrective/system normalization steps performed: na 6) Any other relevant information: na Regards, Delhi SLDC 20230910182827 2023/09/10 18:28:28 1) Name of the substation and Time: 220KV Okhla, 17:09Hrs. 2) Name of element tripped/restored: Load disappeared on 220KV BTPS-I and II 3) Relay Annunciation: Nil 4) Details of physically damaged equipment: Nil 5) Immediate corrective/system normalization steps performed: 220KV Bus-Coupler charged at 17:14Hrs. and supply normalised 6) Any other relevant information: Nil Regards, Delhi SLDC 20230910182232 2023/09/10 18:22:33 1) Name of the substation and Time: 220KV Gopal Pur, 18:11Hrs. 2) Name of element tripped/restored: 33KV I/C-I tripped 3) Relay Annunciation: E/F 4) Details of physically damaged equipment: Nil 5) Immediate corrective/system normalization steps performed: Nil 6) Any other relevant information: 33KV Bus-Coupler charged at 18:13Hrs. and supply normalised Regards, Delhi SLDC 20230910181321 2023/09/10 18:13:22 1) Name of the substation and Time: 220kV Geeta Colony -PPG ckt I Restored at 17:56Hrs 2) Name of element tripped/restored: 220kV Geeta colony -PPG ckt-I 3) Relay Annunciation: NIL 4) Details of physically damaged equipment: NIL 5) Immediate corrective/system normalization steps performed: NIL 6) Any other relevant information: NIL Regards, Delhi SLDC 20230910181104 2023/09/10 18:11:05 1) Name of the substation and Time: 220KV BTPS, 17:09Hrs. 2) Name of element tripped/restored: 220KV Tughlakabad-I and II, 220KV Okhla-I and II, 220KV Sarita Vihar-I and II tripped 3) Relay Annunciation: No relay indication on 220KV Sarita Vihar-I and II, 220KV Tughlakabad-I, RYB Phase, 86A and 86B on 220KV Tughlakabad-II and E/F on 220KV Okhla-I and II 4) Details of physically damaged equipment: Ballabhgarh Ckt-2 RPH-conductor Snapped near wave trap, 110kV Bus Coupler R and Y Phase Isolator Finger Burned 5) Immediate corrective/system normalization steps performed: Nil 6) Any other relevant information: Load disappeared on 220KV Ballabhgarh-I and II Regards, Delhi SLDC 20230910175159 2023/09/10 17:52:00 1) Name of the substation and Time: 220KV PPG, 17:33Hrs. 2) Name of element tripped/restored: 220KV Geeta Colony-I tripped 3) Relay Annunciation: RYB Phase, Zone-1, L86, L88 and Fault Location - 2.507Km at PPG end and Zone-1, R-Phase, Y-Phase, Fault Location - 2.93Km, Fault Current, R-Phase - 9.74KA and Y-Phase - 9.173KA at Geeta Colony end 4) Details of physically damaged equipment: Nil 5) Immediate corrective/system normalization steps performed: Nil 6) Any other relevant information: Nil Regards, Delhi SLDC 20230910174245 2023/09/10 17:42:46 1) Name of the substation and Time: 220KV Sarita Vihar, 17:27Hrs. 2) Name of element tripped/restored: 100MVA-III along with 66KV I/C-III restored 3) Relay Annunciation: Nil 4) Details of physically damaged equipment: Nil 5) Immediate corrective/system normalization steps performed: Nil 6) Any other relevant information: Nil Regards, Delhi SLDC 20230910173759 2023/09/10 17:37:59 1) Name of the substation and Time: 220KV Sarita Vihar, 17:09Hrs. 2) Name of element tripped/restored: 100MVA-III along with 66KV I/C-III tripped 3) Relay Annunciation: E/F on 100MVA-III and no indication on 66KV I/C-III 4) Details of physically damaged equipment: Nil 5) Immediate corrective/system normalization steps performed: Nil 6) Any other relevant information: Load disappeared from 220KV BTPS-I and II Regards, Delhi SLDC 20230910164604 2023/09/10 16:46:05 1) Name of the substation and Time: 220KV Masjid Moth, 16:30Hrs. 2) Name of element tripped/restored: 33KV I/C-III restored 3) Relay Annunciation: Nil 4) Details of physically damaged equipment: Nil 5) Immediate corrective/system normalization steps performed: Nil 6) Any other relevant information: Nil Regards, Delhi SLDC 20230910152647 2023/09/10 15:27:39