Repairs to 63 KVA, 1100/440kVA, three phase aluminium wound HT Transformer at WSS Hydergund Sofipora under M and R.

Dismantling of 63 KVA HT Transformer by way of disconnecting of all HT and LT connections, opening of top Lid, Draining out T. Oil and its safe placement for further refilling, taking out of coils after removal of core assembly, etc. Job includes detaching of core HV/LV coils.

Mechanical Transportation, Loading, unloading and handling of 63KVA HT Transformer from site to workshop and then back to site after carrying out necessary repairs using appropriate means of Transport.

Providing and fitting of finished new Aluminium wire windings with insulation in place of damaged winding including labour costs etc. (Both HV/LV) per Kg of winding.

Rewinding with re-insulation of existing Aluminium (LV) by way of providing and replacement of inter layer insulation- per Kg of winding.

Supply of 5mm thick Neoprene Rubberized Gasket Sheet

Filtration of existing/ reclaimed T-oil on site at suitable temperature (inclusive of all logistics and charges for filtration plant, etc)(Process loss maximum of 5% allowed)

Providing of Transformer oil conforming to IS 335 (preferred make: Power oil/Indian Oil Servo/ HPCL)

Impregnation/heat treatment to winding assembly of 3 phase 415 V 63 KVA HT Transformer by way keeping it in an electric oven.

Providing of LV (1.1 KV) porcelain bushings of rating: 250A

Providing of metal part stem with allied fittings of transformer bushings (HV/ LV) : Aluminium

Complete assembling of 63KVA, 11/0.4 Kv transformer after cleaning of tank, fitting of coil assembly in the tank Job further includes closing of the transformer in the tank. The job further includes closing of the transformer lid by way of fitting of existing nuts/bolts and gaskets, insulators, etc refilling of T. oil up to required level in tank reconnecting of HT/LT connecting and testing.