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

Onsite repairing of one no. neutral grounding resistor 3.3 kv grade 50 amps, maxtron make being used for neutral grounding of the 11 kv by 3.3 kv, 2 mva transformer, installed at the 11 kv main substation of karo ocp under bnk area.

Partial repairing 3.3kv neutral grounding resistor with monitoring and protection relay for 11kv/3.3kv 1mva transformer at 17 no substation.

Repairing of 2 nos neutral grounding resistor 3.3kv grade 50 amps maxtron make for neutral grounding

Installation of 2 mva, 33kv/11kv power transformer at 33kv substation at khottadih colliery, pandaveswar area.

Repairing of 11kv/3.3kv neutral grounding resistor of golakdih under kocp

Procurement of neutral grounding resistors for 8 mva, 33kv/11kv transformers at alp mine

Partial repairing/rewinding of 7.5 mva, 33kv/6.6kv andrew yule make transformer sl no. 12260 of 33kv main substation of jhanjra project colliery.

Partial repairing/rewinding of 7.5 mva, 33kv/6.6kv andrew yule make transformer sl no. 12260 of 33kv main substation of jhanjra project colliery.

Supply, installation and commissioning of neutral grounding resistor (ngr) panel to limit the earth fault current to 10a of 2x5 mva, 33kv/6.6 kv substation of kulda ocp of basundhara area