Maintenance/overhauling of 03 nos of 11kv/3.3kv transformers at ningha colliery, satgram-sripur area

Complete rewinding and repairing of primary and secondary breaker of andrew yule make 315 kva 3.3kv-550v sl no sspay03 transwitch transformer at shyamsundarpur colliery

Complete repairing /rewinding and overhauling of pullen make 120 hp 550 volt 2900 rpm submersible motor and 6 stage pump of dobari colliery.

Complete overhauling of 02 n0s rear suspension part no-4688680 and o4 nos differential eye of dumper model cat 773 e sl no 880 deployed at amp colliery barora area

For complete repairing and overhauling of ocb, sd -15 make kilburn switch 550v,150a, asst. no. arn/72 sl.no.08595 4 pit loyabad (ii)and repairing of 120 hp,550v,star delta starter, a.t.s type, amba speed make,sl.no.a-223-97 controlling of submersible

(i)for maintenance of one no.1 mva 6.6kv/550v transformer installed at loyabad colliery make-ece,asset sl.no.arn/14 lbc(ii)complete rewinding and overhauling of a 750 kva power transformer 6.6kv/550v at 5 pit substation of lbc make-ece asset.no.loy/e

Repairing / overhauling and safety protection of 400amp 3.3kv vcb prabhu make switch under abdkc.

Complete repairing and safety protection of 3.3kv/400amp. vcb starter sl. no.- 71042 at kocp. &#x0d

Repairing/ overhauling and safety protection of 1 no 400amp 11kv ocb switch of kuya colliery under bastacolla area.

Repairing/ overhauling and safety protection of 1 no 400amp 11kv ocb switch of kuya colliery under bastacolla area.