Repairing, installation and commissioning of current transformer in main incoming sf-6 breaker (main-i) of regional sub-station, kathara area under kathara colliery.

Maintenance and reconditioning of 2 nos. vcb (11kv and 6.6kv, pce make), 2 nos. ocb switch (11kv, 800 amp, gec make), sf6 abb make breaker (33kv, 1250 amp), maintenance of ct, and repairing of 11kv capacitor bank control panel at central substation

Repairing and maintenance of 03 nos 1250amp, 33kv grade sf6 different feeders at regional substation of kathara colliery under kathara area.

Repairing and maintenance of 02 nos. 1250a, 33kv grade sf6 kirloskar make at regional substation of kathara colliery.

Feeder at regional substation of kathara colliery under kathra area. (b) dismantling and replacement of 33kv grade oil cooled current transformer of sawang feeder 10 mva 33kv 11kv power transformer regional substation kathara under kathara area.

(a) maintenance and reconditioning of 1250 amp 33kv mocb primary control of 10 mva 33kv 11kv jarangdih feeder at regional substation of kathara colliery under kathra area. (b) dismantling and replacement of 33kv grade oil cooled current transformer o

Installation of a.b. isolator 33kv, 1250 amps and lighting arrestor 33kv, 30kv. (rms) 10ka for power supply to incoming and outgoing of ktw feeder at regional sub-station under kathara colliery

Providing and fixing of goab isolator 33kv/1250 amps. and 11kv/800 amps. for power supply to different feeders at regional substation kathara under kathara colliery

Repairing of busbar 33kv and 11kv 02 nos installed at regional sub-station under kathara colliery

Complete repairing and reconditioning of 1250 amps 33kv sf-6 breaker sl. no. 3537/88 make- volts feeding power of ktw under regional sub station kathara colliery