A)complete repairing/rewinding of 63kva 3 phase 3.3kv/230 volt transformer, make- transgietz enterprises, sl. no.-224 installed in dakra mines in respect of dakra project. b) preventive maintenance of 100kva 3.3kv/440v transformer sl. no.- local sl.

Tender for draining out, refilling, dehydration and filtration of transformer oil of 132/33 kv, 25/31.5 mva power transformer at 132 kv sub-station amb under electrical system division, hpsebl, una (hp)

Dehydration, filtration and commissioning of 1 mva 11kv/3.3kv power transformer, 100kva 3.3kv/440v lightening transformer, 25kva 550v/220v lightening transformer and 300kva 3.3 kv/440v lightening transformer at south samla unit of msam colliery under

Dehydration and filtration of transformer oil with high &#x0d vacuum filtration machine

Maintenance of 2 nos 315 kva 3.3kv 550volt transformer installed at 3.3kv nabagram sub station 3nos 100 kva 550volt 440volt lighting transformer installed at 1. upper dhowrah sub-station 2. kora para sub-station and 3. masan dhowrah sub station

Repairing and changing of stud bush, gasket and damaged cable etc. of 500 kva lighting transformer, 3.3kv 440volt at thakur colony, 630 kva lighting transformer, 3.3kv 440volt at gayatri colony and 500 kva lighting transformer, 3.3kv 440volt at of

Repairing, maintenance (a) 100kva 11kv 440volt of golden park (b) 150kva 550volt 440volt of durgamandir sub station and ( c) 500 kva 11 kv 550 volt installed at sand bunker near siding under shankarpur colliery

Complete repairing dehydration , filtration of 750kva ,11/ 3.3kv and 500kva 11kv/440v power transformer ,150kva 11kv/440v ,2 nos 100kva 11kv/440v lightning transformer of vk unit of khandra colliery under bankola area .