Repairing of isolate mpr and new installation of ht, lt earth leakage relay (elr1 and elr2) and repairing/ replacement of complete wiring harness and corresponding electrical devices of ck00 shovel sl no. e-170 and hyd. control system and main motor

Providing and fixing of e/l relay with cbct, idmt relay, ct, ht bushing, 3.3kv vacuum contactor coil and other items in 02 nos. 11kv or3.3kv ocb and 02 nos. 3.3kv vcb er at balkudra substation and quarry at bhurkunda colliery under barka sayal.

Providing and fixing of pt, pt fuse, ht bushing with stud, earth leakage relay, cbct , indicator lamp, push button , support insulator, aux contactor , ammeter , volt meter, rectifier capacitor unit , overload relay , core balance current transformer

Repairing and rewinding of 03nos. body fan etc and repl. of 02nos. earth leakage protection device of ekg5a sl. no. 562 and repairing electrical wiring of idm30 sl. no. 852, rel c-650d sl. no. 708 and ck300(d) sl. no. 758 of urimari ocp.

1) up-gradation and adoption of earth leakage relay with cbct system in 10 nos 3.3kv, 1200amp an 400 amp vcb meditron and mineline make respectively &#x0d (2) rewinding and repairing of 136kw 3.3kv 1470 rpm ht inductio

For repairing of isolator, mpr and installation of earth leakage relay for ht and lt system of ekg shovel sl. no. 577 at akwmocp, katras area, bccl

Rep. of mpr, vcb along with providing and fixing ht fuses and earth leakage and time delay relay etc. of ck300 (e) - 163, mpr and providing, fixing head lamp and back light of ekg5a - 562, automotive electrical wiring of bd155 - 13285 and 13717.

Rep. of automotive electrical wiring and worn out brake liner of both bd355 and bd155 dozer sl. no. 11615 and 13604 and rein. of bucket assembly along with repl. of both adapter and tooth point of ck300 (d) sl. no. 758.

Providing and fixing of 14 no earth leakage relay with cbct and its&#x0d accessories for installation on different vcb(both 11kv and 3.3kv) at both 33kv and 11kv substation&#x0d under urimari ocp.

Providing and fixing of 3.3 kv vcb cpp control cable with remote control switch and 11 kv ktc new line control cable with remote control switch and providing of earth fault over lead relay under kathara colliery