Rewinding of 1 mva, 33kv/6.6kv ete make transformer sl. no. 12677 of katghori substation of east block of churcha mine (ro).

Rewinding of 1 mva, 33kv/6.6kv ete make transformer sl. no. 12677 of katghori substation of east block of churcha mine (ro).

Complete rewinding and repairing of a transwitch unit 315kva, 3.3kv/550v make electrotechnika, sl. no. 1054 under churi colliery, nk area

Repairing/overhauling of 02 nos ht breaker unit of gec make transwitch unit (315kva, 3.3kv/ 550v) installed at 9l/2d substation and gec alstom make transwitch unit(315kva, 3.3kv/ 550v) lying at surface substation required to be replaced tsu

(a)partial rewinding of oil cooled transformer 250 kva, 3.3 kv/440v gec make sl. no. pp/tr/440/03 of pandavpara mine (b)complete primary rewinding and secondary reinsulation of 315 kva, 3.3kv/570v mine line make tsu sl. no. 9965 of jhilimili mine

Repairing of one mine line make 3.3kv starter for high head pump and one 3300v/550v, 315kva transwitch unit for mine no.3,osa under orient area

1.con of 3.3kv overhead line of chp feeder to 33kv from churcha west substation to d1 belt discharge point churcha mine (ro) 2. providing and fixing of 3.3kv, 600amp gang operated air breaker switch at different location of churcha mine (ro)

Repairing/ reconditioning of 315kva,3.3kv/550v flp transwitch unit,gec make, sl. no.ct3950/b22522 installed at 10 no. substation of sarubera of sarubera project under kuju area.

Partial rewinding of 2.5 mva, 33/ 3.3kv 3 phase mirzapur electricals make transformer sl.no. 39175 installed at main receiving sub-station for ug power supply of churcha east block of churcha mine (r.o).

Repairing of ht side and lt side unit 315kva 3.3kv 550v transwitch unit, make poland for va seam mine no. 1 of kugp under hazaribagh area