NIT No. 06 Item No. 2 (22-23) EE (T)/ACE

Disconnection of HT supply from main HT panel after proper switching off 11 KV VCB discharging the supply. Complete drain out of transformer oil from transformer to empty oil drum by oil machine, dismantling of conservator tank all protection relays cable end boxes vent pipes and other items as required.

Cleaning of transformer oil tank and removing of sludge settled in the bottom with the help of vacuum pressure cleaning machine thoroughly, cleaning of core and winding of transformer with hot oil and proper safety precaution to prevent the winding damage as required, cutting of old overheated insulation of winding and re-insulation of weak point with the help of HT insulation material and proper taping etc.

Replacement of top cover gasket vertical vent gasket and missing harware to stop the oil leakage

Replacement of Salica Gel

Checking and matching of control wiring of all protection relays and calibration of bucchlaz relay and protection relays testing the same.

Complete assembling of transformer cleaning of complete transformer tightening of all connection of incoming and outgoing side and testing & checking of IR test with megger of winding & cable of both side with HI pot machine.

P/Fixing of winding protection pad

Repair of cooling fins, replacement of cooling fins gasket and oil seal for stopping the leakage

Filling of T/oil to up to top level as required to make power

Dehydration & filtration of complete transformer oil and checking the die electric strength up to 50 KV at site required

Complete cleaning and chemically washing of oily and muddy transformer body and painting of transformer with enamel paint

Insulating the bus bar with epoxy paint

Supply of 185Sq mm XLPE 11 KV 3Core HT cable Make: DJB Approved

Laying the above said cable as per requirement

P/Fixing of 185 Sq mm HT cable heat shrinkable jointing kit as per site requirment.

M.B. Enterprises