Repairing and overhauling of 600kw, 3.3kv, prabhu make, auto transformer nflp starter at jarangdih colliery.

For repairing of 03 nos. 11 kv ocbs 400 amps for controlling of 01 nos. 3 mva and 02 mva power transformer of main sub-station under bhurkunda colliery.

Repairing of primary and secondary control panel for &#x0d gec make 3.3kv/550v transwitch unit at r-6 mine, &#x0d ncph colliery.

Complete repairing and rewinding of 325 kw, 3.3 kv, make gec, 3 phase, h.t. induction motor, sl. no.183002/4, rpm 1490, 72.5 amp at jarangdih open cast mines under jarangdih colliery.

(a). repairing of 3.3kv, 630a, vcb, ctr 600/300/5a, make-pce, sl.no.-05/hmv/132 installed at main sub-station of gvp phase-ii ocp, (b). repairing of 3.3kv vcb, make-pce, 630a, sl.no.-05/hmv/131 of secondary switch at 3mva, 11kv/3.3kv transformer of g

Installation of 1.6 mva power transformer and 500kva 3.3kv/440volt transformer with bus bar, earthing arrangement , renovation of 440volt oh for providing power to movable mobile crusher at coal stock at karma main substation under kuju area

Supply and fixing of ngr 3.3kv 10 amp, 190 ohms for 3 nos., 1 mva, 11kv/3.3kv (2 nos.) and 1.6 mva, 11kv/3.3 kv (01 no.) power transformer installed at main and banwar substation at topa project under kuju area.

(a)complete repairing and rewinding of 01 no. 315kva, 11kv/440v, si.no. wnp distribution transformer used for power distribution to rawani tola under kathara colliery, kathara area. (b) complete repairing /rewinding of 01 no. 250kva, 3.3kv/440v trans

Complete rewinding and repairing of 630 kva 3.3kv/415v distribution transformer make na of area acs office substation of sirka colliery under argada area

Complete repairing of vcb switch (a) 3.3kv, 400 amp. make electroteknica, sl. no. fs-374, supplying power to face pump feeder and (b) 3.3-6.6kv/110v, ct 120-60/5plus5 amp. make electroteknica, sl. no. sp/0/400 supplying power to shovel no. 05