Repairing and installation of new safety devices in 6.6kv / 3.3 kv, 630amps, vcb, make-electroteknica, sl. no. 062 field switch of shovel section at kathara 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

(a) repairing/reconditioning of 01 no of 3.3 kv, 160 amp,sait teknik pvt. ltd. dol er, sl. no.-sahd-2723 installed at quarry no.1 b)repairing/reconditioning of 01 nos. of lnt put make, acb lt panel sl.no. lw0035 of pundi project

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.

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.

Supply of nifps system accessories and installation of 02 nos. (ctr make) nifps system for 200 mva transformer installed at 220 kv gis s/s bhadohi under etd-iv, varanasi.

Repairing, rewinding and maintenance of 01 no 125 kw, 3.3 kv, marathon - make, sl no. - 81237699/79 induction motor installed at parej east ocp under hazaribagh area.

Installation , testing and commissioning of 02 nos 3.3 kv automatic power factor correction (apfcr) panel at different substation of chhal ocm, secl raigarh area .

Installation testing and commissioning of 440 volt power distribution system at 3.3 kv surface substation of kum a colliery under bankola area.

A) installation and commissioning of 3.3 kv ngr in two nos merson s make 01 mva trans-former installed at kalimati and shivmandir substation bearing sl no 11221 and 28672 re-spectively of chapapur colliery&#x0d b) installation and commissioning of 02 nos