Dismantling shifting dry out re connection, filtration and testing of 4 MVA, 33 KV/6.6 KV transformer sr. no. 7570 at SS-3

Amount

As Per List Enclosed

Dismantling & oil darning of 4 MVA transformer sr. no. 7570 at SS-2

Shifting of transformer sr. no 7570 , Accessories & oil from SS-2 to SS-3 about 3 km

Complete checking & taking core from tank of transformer and checking and testing of theh all accessories like MOG, Bucolz Relay, OTI, WTI, HV & LV side bushing of transformer including hydra charges.

Complete servicing overhauling & repairing of 33 kv/ 6.6 kv 4 MVA transformer core, removing and cleaning of carbon core providing and fixing of new spacers in place of damaged and brunt spacers and providing proper insulation between core and winding of transformer, also arranging and making core and proper tighting of core support nun and bolt for batter operation of core providing of required hard wares etc and improving of IR value of transformer.

Complete Healing and retanking the core in to transformer tank of 33/6.6 kv 4000 KVA transformer including hydra charge.

Re-erection of transformer sr. no. 7570 , bushing radiators and Accessories i/c both side HV LV side connection ec. at SS-3.

Dry out oil filtration to improve IR value PI & BDB (If required oil to be replace new oil will be supplied by department) Providing & fixing of new HV bushing terminal studs breather & bucolz relay including painting etc.

Transformer testing 10 delta of binding, resistance, IR value, Ratio and short circuit testing of transformer sr. no. 7570 At SS-3

Trial & testing of 33 kv and 6.6 kv breakers contact resistance, measurement, closing & tripping time and IR value, relay and CT testing by primary injection and protection etc. for transformer sr. no. 7570 At SS-3.

T R JAISWAL