(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

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

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.

Providing and fixing of relays for protection of wti, oti, bucholz n mog of all 3mva, 6.6kv/3.3kv transformers, providing and fixing of relays for alarming system of ht control panels installed at 2x12.5 mva main substation of rajrappa project

Repairing of 3.3kv, 400amps biecco lowery make &#x0d ocb switch type nflp, sl.no. m-1956 for controlling of &#x0d 750kva, 400volts transformer of damoda colliery.&#x0d

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 fitting of bucholz relay,wti and oti in mva, 11kva/415v eef make s.no.4009367 transformer located at govindpur substation for rectification of violation identified by dgms(elect.)under abg 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

Repairing of 3.3kv, 400amps prabhu make starter, type nflp, sl.no.ht-452 for controlling of domestic water supply barora new colony near socp subtation at muraidih, amp colliery