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

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

Repairing /installation and commissioning with electrical interlocking of 11kv goab switch to main incomer breaker at site of gopalichak colliery.

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.

Complete rewinding and repairing of 180hp, 550v conveyor belt motor of feeder breaker of phularitand, amp 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 safety devices in 6.6kv, 400 amp switch with 750 kva, 6.6kv/550v power transformer at site of sub-station of putkee colliery.

Repair and rewinding of (a) 500 kva, 3.3 kv/550v-440v transformer (b) 100 kva, 3.3 kv/440v transformer of sirka colliery under argada area

Complete repairing/ rewinding and installation of 3 mva 11 kv/ 3.3 kv power transformer of khottadih colliery.