Supply and fitting of potential transformer 3.3kv 110v for biecco make ocb of bhowra south colliery.

Repairing and reconditioning of 11kv 400amp biecco lowrie ocb of bastacolla colliery.

Complete repairing of 400amp 11kv ocb with busbar biecco lowrie for primary controlling 11kv/3.3kv transformer at 07 no sub station abdkc.

Installation and commissioning of negative sequence relay in 11kv 400amp. ocb make crompton greaves of 4a patch substation of bhowra south colliery.

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 fitting of safety device electronic relay fitted for 3.3kv and 400amp ocb switch at bhowra south colliery for two no of switch.

Installation and commissioning of negative sequence relay in 11kv, 400amp. ocb make cropton greaves sl. no 41227g of 4a patch substation of bhowra south colliery.

Complete repairing of3.3kv ocb ece make, 400a, indoor type, ctr400-300/5a-5a, under bhowra power house.

Repairing of one no. 3.3kv,400amp mei&#x0d make ocb of main substation of gondegaon&#x0d ocm

Complete repairing / reconditioning of 3.3kv ocb switch, 400amp, make-kirloskar installed at ht room for primary control of two ocb switch of plant and 3.3kv ocb switch, 400amp, make-bicollary, s/n-sgw-1(wnp) for power supply to oversize transformer