3 phase, 50 hz, 5 mva, 33/3.3 kv step down, outdoor onan power transformers complete with all accessories /fittings and conforming

Isolator 9 insolater with earth brake&amp#x0d switch 600 ampier 33 kv lighting arrester 30 kv direct online switch&amp#x0d 33 kv, 4 insolator supply erection commisoning and testing&amp#x0d complete work

Survey, supply, and installation of minor material and replacement of defective isolator, ab switch and male/female contact of ab switch along with augmentation of bus bar conductor at various 33/11 kv substations on semi turnkey contract basis

Replacement of baring of 02 no.s induction motor (1) 3.3 kv 260kw rpm -1485 sl no- d42142-6 make- teco enm co. ltd (2) 3.3 kv 220 kw rpm-1488 sl no- f330105/3 make- alstom with provision of end cover bearing houseing repairing under ashok ocp

Repairing of isolator, vcb and main transformer 63 kva, 3.3 kv alongwith magnetic amplifiers -03 nos. (hoist, crowd and swing/ propel) in hmb-581 shovel of jharkhand ocp.

Replacement of under voltage relay and complete shunt trip assembly for oil circuit breaker of 3.3 / 6.6 kv at barpali substation under ta,kusmunda area

Complete repairing and rewinding of 325 kw, 3.3 kv, make gec, 3 phase, h.t. induction motor, sl. no.183002/4, rpm 1490, 72.5 amp at jarangdih open cast mines under jarangdih colliery.

Testing and calibration of protective relays with primary injection test and contact resistance test of 33 kv switches, 3.3 kv switches, 33 kv ct and pt etc at socp, ib valley area