Repairing and reconditioning of 400 amp, 3.3 kv electroteknika make vcb field switch at peocp, hazaribag area.

Complete rewinding of one 150 kva, 6.6 kv 440v lighting transformer one 90kw 550v gec make rotor shaft replacement of jpc

For repairing of 03 nos. 11 kv ocbs 400 amps for controlling of 01 nos. 3 mva and 02 mva power transformer of main sub-station under bhurkunda colliery.

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.

Maintenance and repairing at site for 03 nos. 2mva,01 no. 2.5 mva n 250 kva transformer with buchloz relay alarm bell system of power transformer at rwp under rajrappa area.

Rewinding and repairing of 250 kva, 3.3 kv/440 volt make transgietz enterprises sl-te/211 transformer installed at east colony of kuju colliery under kuju area.

Complete repairing of vcb switch (a) 3.3kv, 400 amp. make electroteknica, sl. no. fs-374, supplying power to face pump feeder and (b) 3.3-6.6kv/110v, ct 120-60/5plus5 amp. make electroteknica, sl. no. sp/0/400 supplying power to shovel no. 05

(1) complete repairing of &#x0d 1273 hp star delta starter &#x0d 6.6 kv, sl.no.ht 606 make&#x0d prabhu akwmc o.c.p katras &#x0d area. (2) repairing of 400 &#x0d amps ocb switch 6.6 kv &#x0d make-gec, sl.no. 5101 at &#x0d kantapahri sub-station &#x0d akwmc under katras area.

Complete rewinding/repairing of 250 kva, 11 kv/440 v, bijlee make transformer, sl.no sq153/655 at dugda coal washery.

Repairing of andrew yule and co. make 11 kv, vcb, 630 amps, ctr-100-200/5 amps for capacitor bank of controlling switch gear at 11k/33kv sub-station, nlocp/dbocp.