Repairing, rewinding of conveyor drive induction ht motors (250 kw, 6.6 kv and 200 kw, 6.6 kv) of chp under dudhichua project

Sitc of 500 kva unity turns ratio transformer

Rewinding of 15kva, 550v/220v lighting transformer, of view point area of east basuria colliery

Procurement of hv rectifier transformer set 83 kva,95 kv,800 ma at esp system at 500 mw, unit 5,sgtps,birsinghpur.

Complete rewinding and repairing of primary and secondary breaker of andrew yule make 315 kva 3.3kv-550v sl no sspay03 transwitch transformer at shyamsundarpur colliery

Minor repairing overhauling and maintenance of 1.7 mva, 6.6 kv 433 v transformer of deshaling plant bina project.

Rewinding, repairing and testing of 04 nos lighting transformers bearing sl no m66438,7409, 7413 and 7408, 25 kva, 6600 220 volt for use in the mine illumination at jhingurda project.

Complete repairing/rewinding of 3 phase marathon make induction motor, 6.6 kv, 750 kw, 1492 rpm, sl. no. 3f660895/2 failed during operation in the deep mine pumping zone of rajmahal ocp.

Repairing/rewinding of a) 630kva, 6.6kv/440v lighting transformer running at hizukita village. b) 315kva, 6.6kv/440v lighting transformer running at lohandia basti. c) 100kva, 6.6kv/440v lightning transformer running at lalmatia sub-stn of rajmahal

A)complete repairing/rewinding of 63kva 3 phase 3.3kv/230 volt transformer, make- transgietz enterprises, sl. no.-224 installed in dakra mines in respect of dakra project. b) preventive maintenance of 100kva 3.3kv/440v transformer sl. no.- local sl.