1

Brief history of Solapur Sub-Station. On Solapur – Akkalkot SH 151

in Village Limbi- Chincholi

22 Km away from Solapur City, 20 away from Akkalkot ( Sri Swami Samarth).

Total 94.79 acres

400/220 KV Station- 39.79 acres

765/400KV Sub Station- 55 acres.

LOCAL GRID NETWORK

RAIPUR`

PUNE

PARLI 2``PARLI 1

KOLH 1 KOLH 2

SEB 4

SEB 3

KUMBARI 2

KUMBARI1

KARAD LAMBOTTI

765 400 220

RAICHUR`

SOLAPUR SUBSTATION

22O KV220 KV

400

400KVKV

FEEDER DETAILS CONNECTED TO SOLAPUR SUB STATION

400 KV SOLAPUR – KARAD LINE : 299 KMS 400 KV SOLAPUR – LAMBOTI LINE : 179 KMS 400 KV SOLAPUR – PARLI LINE I : 135 KMS 400 KV SOLAPUR – PARLI LINE 2 : 135 KMS

400 KV SOLAPUR – KOLHAPUR I : 219

KMS 400 KV SOLAPUR – KOLHAPUR 2 : 219

KMS 220 KV SOLAPUR – KHUMBARI 1 : 10

KMS 220 KV SOLAPUR – KHUMBARI 2 : 10

KMS

NAME OF FEEDER LINE LENGTH

MILESTONESMILESTONES

400KV SUBSTATION400KV SUBSTATION

EventsEvents Date of Date of CommissioningCommissioning

315 MVA ICT-1315 MVA ICT-1 21 21stst Jan, 2011 Jan, 2011

63 MVAR Bus Reactor63 MVAR Bus Reactor 21 21stst Jan, 2011 Jan, 2011Karad line Bays (299 KM)Karad line Bays (299 KM) 21 21stst Jan, 2011 Jan, 2011Lamboti line Bays (166 KM)Lamboti line Bays (166 KM) 21 21stst Jan, Jan,

20112011Kolhapur line I&II Bays Kolhapur line I&II Bays 21 21stst Jan, 2011 Jan, 2011Parli I&II line Bays Parli I&II line Bays 21 21stst Jan, 2011 Jan, 2011

220 KV Bus Bars 220 KV Bus Bars 21 21stst Jan, 2011 Jan, 2011315 MVA ICT-2315 MVA ICT-2 31 31stst Mar, 2011 Mar, 2011

EQUIPMENT POPULATION

315 MVA ICT : 02 Nos. SHUNT / LINE REACTOR : 03 Nos. CIRCUIT BREAKER : 22 Sets. (14

+8) CVT : 42 Nos. (24+18) BAY KIOSK : 09 Nos DG SET : 01 Nos FF SYSTEM : 01 Nos

SOLAPUR TEAM

EXEC. SUPER. WORKMEN

------- -------- -----------

A. STATION I/C OFFICE 1 0 1

B. SUB-STATION CONSTRUCTION 3 1

C. SUB-STATION O&M 4 3 6

----------------------------TOTAL (S/S O&M & CONST.) 08 04

07 ----------------------------TOTAL = 19

400kV ONE AND A HALF SCHEME

220kV DMT SCHEME

PROTECTION & SCADA

DISTANCE PROTECTION-MAIN 1 REL 670

DISTANCE PROTECTION MAIN 2 7SA52(SIEMENS)

Bus Bar protection- REB 500 Decentralised scheme with star topology

SCADA-MICROSCADA PRO

O&M MAJOR ACHIEVEMENT…

INTRODUCED GOOSE FAIL ALARM IN SCADA.

WILL GENERATEALARM IN CASE OF FAILURE SOTHAT PREVENTIVE MEASURES CAN BE TAKEN

EARLIER.

AUTORECLOSURER IN 400kV THROUGH BOTH HARDWIRING AND GOOSE TO ENSURE 100% SUCCESS.HARDWIRING IS DONE AT SITE.

RESULT-100% AUTORECLOSURE RATE

O&M MAJOR ACHIEVEMENT…

O&M MAJOR ACHIEVEMENT

SOLAPUR TEAM MAINTAINS 2 X 315 MVA TRANSFORMERS, 63 MVAR BUS REACTOR, 2X50 MVAR LINE REACTORS, 14 Nos 400 KV BAYS, 06 NOS 220 KV BAYS AND ASSOCIATED EQUIPMENTS WITH 100% AVAILABILITY

THANK YOUTHANK YOUTHANK YOUTHANK YOU