Repairing and fixing of wti and oit and buchholz relay along with painting of one (01) no. 11kv/3.3kv, 3mva and one no. 11kv/3.3kv, 2.5 mva transformer at 02 no. sub-station considering dgms guideline and safety of the equipment under katahra collier

(a)complete repairing of 3.3kv, 400amps vcb switch andrew yule make type nflp, sl.no.3837 and (b)repairing of bucholz relay wti and oti protective device 11kv/3.3kv transformer for controlling of f.n.-2 upper side s/s of mocp f/b of amp colliery.

Repairing and reconditioning of a. 11 kv 800amp, prabhu make sl no 0526 vcb switch of feeder 1 and b 3.3 kv, 400amp ocb crompton greaves make sl nokugp.ocb.ccl001 used for primary control of lighting transformer 630 kva 3.3kv 440v installed at main s

Dehydration, filtration and commissioning of 1 mva 11kv/3.3kv power transformer, 100kva 3.3kv/440v lightening transformer, 25kva 550v/220v lightening transformer and 300kva 3.3 kv/440v lightening transformer at south samla unit of msam colliery under

Supply and fixing of ngr 3.3kv 10 amp, 190 ohms for 3 nos., 1 mva, 11kv/3.3kv (2 nos.) and 1.6 mva, 11kv/3.3 kv (01 no.) power transformer installed at main and banwar substation at topa project under kuju area.

Complete installation, testing and commissioning of vacuum circuit breaker 33 kv grade, 33kv control panel with ct and pt, 2 mva transformer, 33 kv/ 3.3kv, 3.3 kv indoor vcb panels at main sub-station of amadand ug mine

Maintenance and repairing of 2 nos 1 mva 11kv/3.3 kv power transformer and 1 nos 1.6 mva 11kv/3.3 kv power transformer at site along with door interlocking of ht panel at topa main substation under kuju area.

Onsite testing and checking of different protection relays installed in circuit breakers and starters, transformer tests of the 11 kv by 3.3 kv, 1.6 mva transformer including d.g.a. analysis of the transformer oil, and the 3.3 kv motors installed at

Complete repairing of 800amp 3.3kv ocb with busbar gec make sl. no 40/0560 for secondary controlling of 1 mva 11kv / 3.3 kv transformer at 07 no transformer of abdkc.

Complete rewinding and repairing of 250kva 3.3kv 550volt transformer installed at 11kv kumardihi a colliery sub station.