Repairing/rewinding of 670kw, 3.3kv, 1440rpm motor, &#x0d make-crompton greaves (cg), sl.no.2171539/01 at &#x0d phularitand, amp colliery under barora area.

Complete rewinding of 500kva, 3.3kv/440v transformer &#x0d at chitahi substation of amp colliery, barora area, sl.no&#x0d 224304/4 make gec.

Complete repairing and rewinding of 250 kva, 11 kv/440v, marson make, sl no. 26433 distribution transformer and 10 kva, 3.3 kv/230v, k-sambhav powertronics make, sl no. ks/10/22/28 lighting transformer of tnocp under hazaribagh area.

Complete repairing / rewinding of 500 kva lighting transformer 3.3 kv / 415 volt, s/n 2800022343, 46/656 amp, make aeg/ngef installed at rest house substation of sawang washery.

For partial repairing and installation of buchholz relay, winding and oil temperature meters of 500kva, 11kv/440v lighting transformer make kva process ltd sl no 11/1380 of sector 2 substation of east basuria colliery in respect of kusunda area.

Rewinding of 750 kva, 11 kv/440v, kirloskar make power transformer sl.no. 750b/709 at dugda coal washery.

Repairing / rewinding of 300 kva, 11 kv/440v power transformer oil cooled type, make abhay transformer and switch gear, sl. no. 1866 of intake well at bhojudih coal washery.

Complete repairing of k.e. make 90 hp, 3 phase, 550 volt slip ring motor at 15 no. direct haulage at pit no. 2 and prabhu make 150 hp, 550 v, 3 phase star-delta ers lying at fan house at pit no. b of pandaveswar colliery under pandaveswar area

(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