SPL REPAIR/REPLACEMENT OF BER HT EQPTS AND CONNECTED ITEMS AT WELLINGTON STN UNDER GE WELLINGTON

Supply , install, commissioning and testing Outdoor type 11 KV Compact Sub Station with non extensible Ring Main Unit (RMU) consisting of 01 No manually operated 11 KV/630 Amps VCB in SF6 insulated, stainless steel enclosure, HT Cable/Bus bar, 01 No Transformer, 250 KVA, 11 KV/433, OIL type and associated LT devices (ACB/MCCB/Bus bar/Cable) complete all as specified & as directed with & incl the following items/specifications : HT Section: RMU - Non Extensible, 1 way, 11 KV, 01 SF6 Circuit Breaker alongwith connected accessories etc. Type: Free standing, Metal Clad, SF6 insulated Ring Master with 01 No Direct cable module and 01 No 630A fixed manual SF6 Circuit breaker - Mode DV/RT2/VD or equivalent (a) Self power relay, type IDMT (b) Ring switches and T Off SF6 circuit breaker with integrated earthing switches (c) Live Cable Indicator for Ring Switches - Provided (d) Padlocking facility - Provided (e) Shunt trip coil rating - 230 V AC (f) Padlocking facility. Transformer Section: 250 KVA, 11/0.433 KV, 3 phase, 50 Hz, ONAN Cooled Oil immersed Copper wound Step Down "BIS Marked" Transformer complete with first filling of IS: 335 ISI marked Filtered & Dehydrated Transformer Oil, having 7 position Off-Circuit tap changer with tapping range + 7.5% in steps of 2.5% each with all standard fittings and accessories including OTI, WTI & Marshalling Box as per IS-1180:2014 EEL-2 with amendment Nos: 01, 02, 03 & 04 Formerly EEL-3 (till 30.03.2022) Losses @ 50% load - 435W Losse @ 100% Load - 2488W