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

Repairing and rewinding of 1mva 11kv/3.3kv power transformer sl. no. jrd/trf/1mva/01 installed at new sub-station of jarangdih colliery under kathara area.

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

Earth leakage relay -110v rating elm8,moving contact,fixed contact,plug insulator with tube set,brass terminal with insulator dmc,power contactor 525v, 3p, 110a,coil 110v, operating,bushing insulator with stud,potential transformer 550-525-415v,0-8-12-24,110v,3p,core balance transformer,isolator 300 amps reversing,cable1.1kv,2c, copper, pvc, 1.5 mm2 flexible

Complete repairing and rewinding of 11kv 400v, 500kva, 3 phase lighting transformer, make ngef, sl. no. 28.0002.2206, for providing domestic power supply to sector 6, matigarha dam site under block-ii area.

3point3kv isolator on off earth reverse 400a part no kire,ammeter part no am,current transformer 60by5 15va part no 12060515,earth leakage relay 50 750 ma with time part no elm7lats,ht power fuse 3point3kv grade upto 100a part no hrc100,vacuum contactor 3point3kv part no bev006133,sensitive earth leakage relay 50 300ma w part no elm7stwpt,insulator support for ht pt fuse part no bs45,terminal bushing part no oba,aux contactor with coil part no boca2dn1229,busbar part no bbr300,brass cone and gland assembly part no bobcg,overload relay magnetic part no olr3,potential transformer 3point3kv 500va part no htptl1,ht bushing with stud 3point3 kv part no htta33

Complete set of hotel load bushing (meta [complete set of hotel load bushing (metal part & insulator only) for 7775kva main transformer of wap7 locomotives as per clw spec no: - clw/es/3/0660 rev-d. a set consist of 07 items in 11 nos. (1) copper stud qty. 01 no. (2) brass nut qty. 03 nos (3) brass bush qty. 01 no. (4) brass flat washer qty. 02 nos. (5) brass taper washer qty. 01 no. (6) ms spring washer qty. 01 no. (7) top and bottom insulator qty. 02 nos. (material to be procured from clw-ap

Repairing / replacement of damaged lt / ht bushing with stud and gasket of (a) 800 kva lighting transformer, 3.3kv / 415volt, sl. no. 398/1 installed at type ii and type iii colony and (b) 1250kva lighting transformer, 3.3kv / 415volt, sl. no. bs171-

Repairing and changing of stud bush, gaskit and damaged cable etc. of 500kva lighting transformer, 3.3kv/440volt at thakur colony, 630kva lighting transformer, 3.3kv/440 volt at gyatri colony and 500kva lighting transformer, 3.3kv/440volt at officer

Repairing and changing of stud bush, gasket and damaged cable etc. of 500 kva lighting transformer, 3.3kv 440volt at thakur colony, 630 kva lighting transformer, 3.3kv 440volt at gayatri colony and 500 kva lighting transformer, 3.3kv 440volt at of