Repairing of wti and oti protective device of &#x0d 750kva, 11kv/440v power transformer sl. no. &#x0d ets/1204/1 of cisf camp substation of amp &#x0d colliery.

Supply, installation and commissioning of transformer protection system (wti/oti) for 500kva transformer,800kva transformer and 600 kva transformer at msam colliery, pandaveswar area

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.

Partial repairing and overhauling 750kva power transformer 11kv/550v including insulator and testing with commissioning the same at 11kv substation of 9 pit simlabahal colliery.

Complete repairing and con of 300kva crompton parkinson make, 11kv/550v, 3 phase power transformer to 11kv/440v lightening transformer sl no. 8842 at beldanga unit under pandaveswar colliery, pandaveswar area

Repairing/maintenance of 11kv/550v overhead line at msam colliery, pandaveswar area

Repairing (02 nos.) of wti and oti protective device of &#x0d 1mva, 11kv/550v/440v power transformer sl.no.35277 &#x0d of kali mandir substation and 1000kva, 11kv/440v &#x0d power transformer sl.no.32026 of kali mandir substation &#x0d of amp colliery.

New installation of wti and oti in 2 nos. of 1 mva, 11kv/3.3kv transformer at 6 no. and 9 no sub-station of dalurband colliery

For repairing of audio-visual alarm along with oti-wti of 7.5mva and 3.15mva 6.6kv/11kv transformer at sbrs under sijua area

Repairing of 11kv neutral grounding resistor with monitoring and protection relay 11kv/550v, 750kva transformer and 02 no earth pit making for o seam under kocp.