Providing and fixing of ht and lt bushing stud of 250kva and 315kva&#x0d 11kv/440v transformer at&#x0d tipla siding under urimari ocp.

Complete repairing/rewinding of (a) 160kva, 11kv/440v transformer make power equipment and engineers (b) 250 kva, 11kv/440v transformer make marsons electricals (c) replacement of ht and lt bushing insulator with stud and cork sheet in transformers.

Complete repairing/rewinding of 500kva,11kv/440v main transformer installed at ab pit colliery under satgram-sripur area

A)cork sheet bushing oil leakage stopping of 500kva,11kv/440v transformer, sl.no.800/30, ngef make at madhuban dg b)200kva,11kv/550v transformer used for birajpur c)providing and fitting of 630a mccb, 04pole for controlling of birajpur s/s at ampc.

Making of chemical earth pit for transformers (500kva 11kv 440v) at beltola ht surface sub station under bankola area

Old and failed conversion from 100kva transformer sl. no. - 44086 make eef 11kv/440v to 6.6kv/110v to be used in abocp mine

Repairing and replacement of insulator bushing with connection terminal and top cover cork sheet for 500kva power transformer 11kv/440v controlling to bakarhatta staff colony 08 no 11kv sub station rocp.

Repairing and rewinding of 250 kva, 3.3kv 440v siemens make transformer sl no - 722358 (break down) installed at kb 5/6 pit power sub-station.

Repairing of 11kv, 400amps andrew yule make vcb switch sl.no.3850 for controlling of 750kva, 11kv/440v transformer at new pit madhuban substation under ampc, barora area.

Complete repairing and rewinding of one 500kva/11kv/550v power transformer make crompton greaves sl no 1840b of kb 10/12 pit colliery.