Repairing and rewinding of 1mva 11kv/3.3kv power transformer sl. no. jrd/trf/1mva/01 installed at new sub-station of jarangdih colliery under kathara area

Dismantling, oil draining, wings, conservator etc. and transport to regional substation kathara including filtration and installation of 10mva 33kv/11kv power transformer of kathara colliery under kathara area.

Installation of differential protection relay for 10 mva, 33kv/11kv, transformer make- sambhav 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.

33kv/11kv/3.3kv armoured cable handling work for a period of six (06) months at regional substation of 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

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.

33kv,11kv, 6.6kv, 3.3kv armoured cable handling work for financial year 2024-25 at regional sub-station under kathara colliery