For repairing of 11 nos of switches gears of various rating like vcb, ocb,11kv,6.6kv,3.3kv amp.800,400 installed at substation under nichitpur colliery

Onsite electrical repair and maintenance of four (04) nos. circuit breaker switchgears ocb type 11kv grade, 400 amps engaged for control of various feeders i) pnm no. 02 beico make currently under breakdown, ii) pnm no. 6 make ece for dd mines feeder

For complete repairing and overhauling of 250kw, 3.3kv 400amp star delta starter make-mine line sl.no.1328 at npc(ii)and repairing of 11kv 800amp ocb make-biecco lowrie installed at deco view point substation of nichitpur colliery.

On site electrical repair and maintenance of 02 nos 3.3kv ocb,800 ampsbearing pnm no 63 and pnm no 17

For complete repairing of 11kv,400amp biecco lawrie make ocb sl.no.tmc/cb/11 of tocp substn. tmc(ii) and repairing of ocb,3.3kv,800amp,make bicco lawrie at substation of nichitpur colliery under sijua area.

Repairing and reconditioning of 2 nos control panel a. 11kv, 400amp reyroll burn make ocb local sl no kugp ocb 11kv 002 and3.3kv 400amp ece make ocb local sl no kugp ocb 3.3kv 003 ocb of kugp under hazaribag area

Repairing/overhauling of the 11kv, 400 amp ocb biccolawri make, sl- 1952, which will control the 11kv power supply to 1500kva transformer no. 2 11kv/3.3kv, supplying ocb power at ena, kusunda area

Complete repairing of 800amp 3.3kv ocb with busbar gec make sl. no 40/0560 for secondary controlling of 1 mva 11kv / 3.3 kv transformer at 07 no transformer of abdkc.

Repairing of 3.3kv, 100-amps, m.v. make ocb s.no. sdp/pnm/67 and 3.3kv, 400-amps, biecco lawrie make ocb secondary main controlling switch of 1-mva power transformer of sheetalpur colliery under sodepur area

On site repairing of 3.3kv ocb make-reyrollburn si. no.&#x0d 82/110 and 3.3kv vcb make gecalstom(p) si. no. 823421/2/3 used as controlling breaker of 2 no&#x0d 600kvar, 3.3kv capacitor bank at 11kv sub station under urimari ocp.