Installation and commissioning of safety devices of transformer 2 mva, 11kv/550v and 1 mva 11kv / 550v at site bhagabandh colliery.

Repairing, installation and commissioning of safety devices in 6.6kv, 400 amp switch with 750 kva, 6.6kv/550v power transformer at site of sub-station of putkee colliery.

Installation of safety devices like oti, wti etc in power transformer 1 mva, 11kv/550v make eef sl no 4009368 including controlling switch of burragerh colliery at site.

Complete repairing rewinding of 01 nos. 3 mva 11kv, 3.3 kv gec, make transformer of regional sub station under kathara colliery.

Providing and fixing safety devices buchholz relay,wti and oti, explosion vent and conservator tank of (1) 1 mva transformer 11kv/3.3 kv and (2) 1.6 mva transformer 11kv/3.3kv installed at new filter house sub-station under jarangdih colliery.

Repaiirng, installtion and commissioning of safety devices in 6.6kv, 400 amp switch with 1000 kva, 6.6kv/550v power transformer at site of sub-station of putkee colliery.

Repairing, installation and commissioning of new safety devices in 6.6 kv, 1250amp make asea control panel (03) nos mocb installed at site of main surface sub-station for pbp colliery.

Maintenance and repairing of 2 nos 1 mva 11kv/3.3 kv power transformer and 1 nos 1.6 mva 11kv/3.3 kv power transformer at site along with door interlocking of ht panel at topa main substation under kuju area.

Complete repairing and overhauling of 02 nos 800a 550v/440v ocb with busbar sl no 1) 40/0518 2) 6573 at site of bhagabandh colliery sub-station.

Conversion and reapriing of power transfoprmer 1 mva, 11kv/3.3 kv sl no 26474 make neil to 11kv/440v of bhagabandh colliery.