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.

1) upgradation of 400 amps, 3.3kv grade becolarly make, oil circuit breaker (ocb). &#x0d 2) upgradation of 400 amps, 3.3kv grade ece make switch of barmondia colliery under salanpur area.

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

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.

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

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

Cable termination of 11 kv indoor type and 11kv ocb, 3.3kv ocb, 550volt ocb and painting work at tilaboni unit main sub station of tilaboni colliery under bankola area.

Complete onsite electrical repair maintenance of 3 nos circuit breaker switchgear ocb type 11kv and 3.3kv grade, 400/800amp engaged for control of various 1) 3.3kv ocb make beico jnp, pnm no. 16 installed for control of niche quarter, 2) 11kv ocb mak

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

Reparing and overhauling of &#x0d 3.3kv,400a cg make ocb of bankola &#x0d colliery under bankola area