Repairing and rewinding of 3.3 kv 400 kw squirrel cage induction motor, marathon make,sl no 3f330524-5

(a) diversion of 550v over head line at mla colony (out site of pit limit) (b) diversion of 3.3 kv over head line (3.3 pump side) at nirsa ocp, mugma area.

Complete rewinding and repairing of primary and secondary breaker of andrew yule make 315 kva 3.3kv-550v sl no sspay03 transwitch transformer at shyamsundarpur colliery

Supply, installation, testing andcommissioning of ngr 3.3 kv protection system in 33kv/3.3kv power transformers and 3.3kv dg set at 33kv s/s and ngr 440v protection system in 3.3kv/550v/440v power transformers at ncph, ra and vw ug mines of chrm ar

Fuse cartage, ht 2a, 3.3 kv,coil, 110v, oprt,flood light, led, 100w, ip65, w 10 nos, 10,plug insulator with tube set,thermal overload relay,earth leakage relay, 110v rating elm 8,potential transformer,isolator reversing 300a,contactor, main, 550v, 300a,relay digital, led,24-260vac, 24-360 v dc, 1a-5a,hrc fuse,moving contract assembly,spndl, ss, w-brs nut, f-ft valve - size8 in,cable 1.1 kv, 2c, copper, pvc, 1.5mm2, flexible

Pole, pcc, 9 m,fixt lighting, 230 v, 150 w, led, screw,cable, 1.1 kv, 2c, copper, pvc, 1.5 mm2, flexible,overload relay, thrml, 100-150 a,ictp switch, 415-550v, 32 a, 3 p,cable joint kit, 35mm2, copper, 3.3 v, 3 c,earth leakage relay, 50-750 ma with time lag with cbct,moving contact,fixed contact,potential transformer 550-220v, 50va

Taking down of step up and down transformer 160kva after dismentling ht lt,gasket 6 mm thick superior quality on top cover plate,lt porcelain bushing with brass stud screwed with brass nuts bolts,ht 11 kv porcelain bushing with brass stud screwed with brass nuts,painting of transformer of rating 160 kva and voltage stabilizer with two coat,supply filling and top up with new transformer oil of electric strength,filtration dehydration of transformer oil of three phase servo voltage,rewinding of transformer 160 kva complete using appropriate size of copper,shifting of transformer from work shop to af stn including connecting,material and labour for arrange temporary power supply through comercial,trimming of tree branches to clear the ht lt oh lines girth span

Repair and rewinding of (a) 500 kva, 3.3 kv/550v-440v transformer (b) 100 kva, 3.3 kv/440v transformer of sirka colliery under argada area

Repair and rewinding of (a) 250 kva, 3.3 kv/440v transformer oil cooled (b) 250 kva, 3.3 kv/550v air cooled transformer of sirka colliery under argada area

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