For supply and retrofitting of numerical type earth fault over current and master trip relay in place of electro mechanical static type relay installated at different sub station under etc meerut and muzaffarnagar

Providing and installation of 4 no.of jvs make over &#x0d current earth fault and negetive sequence, broken &#x0d conductor relay type jd-100 in various control panel of socp substation under amp colliery barora area-i.

Providing and installation of 2no. of earth leakage relay with cbct in control panel of gondudih colliery, sub-station under kusunda area.

For installation of two nos percentage differential relay in 33kv panel of transformer 1 and 2 and dismantling, installation of 33 kv ct at 33 kv side of transformer no 1 and 2 at (33kv/11kv, 10mva) south loyabad sub-station under kusunda area

4 nos installation of jvs earth leakage relay of southern make 400a, 11kv switch gear of 10/12 pit colliery at site under p.b area.

Providing and installation of 2 nos. of jvs make earth leakage relay type jrc -072 with cbct in control panel of alkusa colliery, substation under ngk colliery of kusunda area

Supply and fitting of earth leakage relay and current transformer of ct ratio in ht switch of 750 kva 11kv/550v transformer of victory sub station bastacolla colliery.

For the work of complete overhauling of over current and earth fault relay of 33 kv vcb control panel and 11 kv feeder installed at 33/11 kv sub-station under eudc, meerut.

For the work of complete overhauling of over current and earth fault relay of 33 kv vcb control panel and 11 kv feeder installed at 33/11 kv sub-station under eudc, meerut.

Retrofitting of 11kv control and relay panels in 33/11kv substations of kpdcl to enable capturing of circuit breaker on off and over current and earth fault relay status by way of sitc of contact multiplying relays