Delhi Jal Board-DJB has published Renovation Of Transformer No. 2 By Oil Top Up And Allied Work At Yamuna Vihar Bps.. Submission Date for this Tender is 21-03-2024. Transformer Supply Tenders in delhi Delhi. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Disconnecting 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. (2500 KVA) |
| 2 | Complete cleaning and chemically washing of oily and muddy transformer body and painting of transformer with enamel paint. |
| 3 | 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. |
| 4 | Replacement of top cover gasket vertical vent gasket and missing hardware to stop the oil leakage. |
| 5 | Replacement of silica gel. |
| 6 | Checking & matching of control wiring of all protection relays and calibration of bucchlaz relay and protection relays testing the same. |
| 7 | Filling of filtered Transformer oil to up to top up level as required to make power. |
| 8 | Dehydration & filtration of complete transformer oil and checking the die electric strength up to 50 KV at site as required. |
| 9 | 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 sides with HI pot machine |
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