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

Repairing and rewinding of induction motor, lighting transformer, acb switch at pandaveswar colliery and repairing of transformer, induction motor, motor, udm motor, drill panel at khottadih colliery

Sitc of 500 kva unity turns ratio transformer

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

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 and overhauling of pullen make 120 hp 550 volt 2900 rpm submersible motor and 6 stage pump of dobari colliery.

(i)for maintenance of one no.1 mva 6.6kv/550v transformer installed at loyabad colliery make-ece,asset sl.no.arn/14 lbc(ii)complete rewinding and overhauling of a 750 kva power transformer 6.6kv/550v at 5 pit substation of lbc make-ece asset.no.loy/e

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

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.

Rewinding and repair of 63 kva transformer installed at ips-3 (rajiv colony) and replacement of mccb at ips-2 (rajiv colony),jammu contract no sdj/w/101/2026-27