Repairing of 02 nos new allenberry works make 90 kw gear boxes (sl. no. chg18 and chg19) of churcha mine (ro)

(a) repairing of 02 nos voldrum haulage 37 kw, 50 hp, si. no. hlg4 and hlg3 installed at churcha mine (ro) (b) repairing of 02 nos 37 kw haulage voldrum make sl. no. jml/voldrum/03 and rana make sl. no. jml/rana/01 installed at jhilimili ug mine

Testing and calibration of 33kv and 3.3 kv equipments ct, sf6 circuit breaker, vcb, starter, transformer, transwitch unit and ht motor for churcha mine (ro).

Providing and fixing of ngr in lt side of gec make 315 kva, 3.3 kv/ 570 v, transwitch unit - 04 nos and andrew yule make 315 kva, 3.3 kv/ 570 v, transwitch unit - 05 nos of churcha mine (ro).

(a)partial rewinding of oil cooled transformer 250 kva, 3.3 kv/440v gec make sl. no. pp/tr/440/03 of pandavpara mine (b)complete primary rewinding and secondary reinsulation of 315 kva, 3.3kv/570v mine line make tsu sl. no. 9965 of jhilimili mine

Rewinding of 1 mva, 33kv/6.6kv ete make transformer sl. no. 12677 of katghori substation of east block of churcha mine (ro).

Rewinding of 1 mva, 33kv/6.6kv ete make transformer sl. no. 12677 of katghori substation of east block of churcha mine (ro).

Repairing/ rewinding of 01 no. 200 kw/3.3 kv, sl. no. 3100710-07, rpm 1482 kirloskar make induction motor of churcha mine (ro).

Old and failed conversion from 100kva transformer sl. no. - 44086 make eef 11kv/440v to 6.6kv/110v to be used in abocp mine

Complete repairing/rewinding of 3 phase marathon make induction motor, 6.6 kv, 750 kw, 1492 rpm, sl. no. 3f660895/2 failed during operation in the deep mine pumping zone of rajmahal ocp.