Repairing / maintenance of 11kv ocb switch 400 a make biecco lowrie power feeding to 750 kva power transformer at bastacolla colliery.

Complete repairing of 400 amps 11kv electroteknica make sl. no- 8363 vcb switch with busbar for primary controlling of 2mva, 11kv/3.3kv power transformer at main substation rocp/sj.

Complete rewinding /repairing installation commissioning and transporting of 500 kva 11kv/440 volt c/g make lighting transformer at durga mandir sub station of kuya colliery.

(1) complete repairing of 200 amps kilburn make sd-15 switch 550 volt sl.no.1092 for 40 hp pump at gtc unit asgkcc.(2) repairing of ocb switch 6.6 kv,400amp,sl.no.5705 make gec at salanpur colliery,(3) (a) oil leakage repairin

Complete repairing of 800a, 440v nflp type sait mine line make air circuit breaker sl. no. sa 1549 at chp sub-station of slg siding under govindpur area

Complete rewinding and repairing of aluminium winded power transformer, 500kva, 11kv/550v, cromptomn parkinson make, sl. no. 29570v of kharkharee main sub-station under govindpur area

(1) complete repairing/over-hauling of 6.6kv/400 amp,vcb switch with busbar,sl.no.455357/01 gec make at kanta-pahri s/stn (2) complete repairing/over-hauling of gec make ocb switch,6.6kv/400 amp sl.no.5717 at kanta pahri sub-station under akwmc

(1) complete repairing of 400 amps gec make switch ocb 550 volt,sl.no.30/1489 at 12 no.national angarpathra aarc.akwmc.(2) repairing of 400 amps vcb switch 6.6kv,make-gec,sl.no.455501/1 at kantapahri sub-station akwmc.

Maintenance and repairing of 01 nos 1mva 11 kv/3.3kv power transformer and 11 kv , 400 amp gec ocb sl.- sar/ocb/01 and 3.3kv , 400a belgium make ocb sl. no.-sar/ocb/02 at 10 no main substation sarubera project under kuju area.

Repairing of (a) 11kv, 600a, gec make ocb switch &#x0d sl.no.-2817 and (b) 6.6kv,400a gec make ocb &#x0d switch sl. no.-m-164 for controlling of 11kv/6.6kv &#x0d transformer at sadbhavna substation under &#x0d muraidih, amp colliery.