Maintenance and repairing of 01 nos 1mva 11 kv/3.3kv power transformer and 11 kv , 400 amp gec ocb sl.- sar/ocb/01 and 3.3kv , 400a belgium make ocb sl. no.-sar/ocb/02 at 10 no main substation sarubera project under kuju area.

Part re winding and maintenance work of the 11 kv by 3.3 kv, 2 mva, sr. no. 458 a/ 4, east india electricals make transformer, installed at the 11 kv by 3.3 kv main substation of karo ocp, under bnk area

Onsite overhauling and repairing of the transformer 3.3 kv by 440 v, 100 kva, name plate missing transformer installed at the substation under karo ocp, bnk area.&#x0d

On site prive maintenance of one no. 3.3 kv by 440 v, 630 kva (name plate missing) transformer, installed at kargali railway siding, and onsite prive maintenance of six nos. of transformers of capacity 40 kva to 100 kva, under karo ocp, bnk

(a) repairing of one no neutral grounding resistor 3.3kv grade 200amp sl no htrn1569 in circuit with 3 mva 11kv /3.3 kv transformer (b) repairing of one no battery charger 415 volt /110 volt 30 amps with laying of dc , ac control circuit for diffe

Repairing and overhauling of restricted neutral grounding system of 1.5 mva 11kv/3.3kv transformer at ena ocb substation at kusunda area.

Repairing of neutral grounding resistor installed in 1.5 mva,11/33kv transformer installed at dhansar pit substation of adi colliery

Dehydration, filtration and commissioning of 1 mva 11kv/3.3kv power transformer, 100kva 3.3kv/440v lightening transformer, 25kva 550v/220v lightening transformer and 300kva 3.3 kv/440v lightening transformer at south samla unit of msam colliery under

Supply and installation of 3.3 kv grade neutral grounding resistor (ngr) with safety features at 10no. substation of sarubera project under kuju area

For repairing of 03 nos. 11 kv ocbs 400 amps for controlling of 01 nos. 3 mva and 02 mva power transformer of main sub-station under bhurkunda colliery.