Maintenance of 2000kva power transformer 11kv/3.3kv m and b make sl. no. 129031 and fitting of wti, oti and bucholz relay installed at abgc

Rewinding and repairing of 30kva lighting transformer 550v/110v/(dgms violation) of km substation at abgc colliery under govindpur area.

Supply and fitting of mccb and rccb in secondary side of 03 nos. of 3.3kv/ 220v transformer for compliance of violation identified by director of mines safety (electrical) in abg colliery&#x0d govindpur area&#x0d

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.

Providing and fitting of 02nos. of bucholz relay wti and oti protective device and panel for transformer of &#x0d 1750kva,11kv/440v and 1000kva,11kv/440v at muraidih section of amp colliery

Supply and installation of 01 nos. of bucholz relay for 1 mva,11kv/550v transformer and installation of wti and oti in 1mva,11kv/440v century makes si.no 752/21/25-21and1mva,11kv/550 m and b make si.no prm1210566 transformer located at k.m substation

(a) repairing of bucholz relay wti and oti meter and panel and (b) repairing of 11kv, 400amps vcb switch andrew yule make for controlling of muraidih u/g substation of muraidih, amp colliery

Supply and installation of chemical earth pit as per violation identified by dy. director of mines safety (electrical) in abg colliery.

Repairing and rewinding of 2-mva, 11kv/3.3kv, eef ranchi make power transformer s.no. 4010858 of sodepur r colliery under sodepur area.

Replacement of cork sheet rubber bushes, stud bush fixing of addition box for indication of bucholz relay, wti and oti for safety purpose incoming 11kv switch, 2 mva 11kv/3.3kv transformer at rocp.