Repairing of 1 mva, 11kv/3.3kv power transformer installed at parasea ocp substation.

Maintenance and repairing of 02 nos 1mva ,11kv/3.3kv power transformer and 1 no. 1.6 mva , 11kv/3.3kv power transformer at site with bucholz relay alarm system at main substation and banwar substation at topa ocp under kuju area.

Maintenance and repairing of 2 nos 1 mva 11kv/3.3 kv power transformer and 1 nos 1.6 mva 11kv/3.3 kv power transformer at site along with door interlocking of ht panel at topa 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.

Repairing and maintenance of 01 set pt 33kv/110 volt at 2 x 3 mva 33kv/11kv-3.3kv main sub-station of peocp under hazaribag area.

Complete repairing/rewinindg of 1-mva, 11kv/3.3kv power transformer s.no. 8578 make marsons c of bejdih colliery under sodepur area.

Repairing and rewinding of 2-mva, 11kv/3.3kv, eef ranchi make power transformer s.no. 4010858 of sodepur r colliery under sodepur area.

Maintenance and repairing of 02 nos 1mva 11kv/3.3kv power transformer and 2 mva booster transformer 11kv at site with bucholz relay alarm bell system at main substation and mines substation of karma project under kuju area.

Repairing, maintenance and installation of differential protection relay system in 10 mva, 33kv/11kv, power transformer at main substation 33kv/11kv/3.3kv of peocp under hazaribagh area.

On site repairing and&#x0d maintenance of safety device&#x0d connected in 3 mva&#x0d 11kv/3.3kv power transformer&#x0d and 160kva 3.3kv/440v&#x0d station transformer at 33kvsubstation under urimari ocp.