T-01/2025-26/Work

Amount

Rectification of following problem in 132 KV SF-6 Circuit Breaker (ABB make).

Rectification of Non Operative Mechanical problem of 132 KV SF-6 Circuit Breaker (M/s ABB make) by replacement of ratchet wheel & power ball bearing and closing arm, tripping arm with linkage & driving unit (Gear box) catch gear closing, catch gear opening & shock absorver. Above works involves opening of closing spring coil and associated accessories then removal of damage closing arm tripping arm with linkages spring charging motor, driving unit (Gear box) catch gear closing catch gear opening & shock absorber. Alignment and adjustment of ratchet wheel and associated accessories for proper opening and closing, re-fixing of closing spring, coil and other parts with mechanism for proper operation of breaker and work also included setting the mechanism rod and pole assembly and attending gas leakage. Checking of CRM & Circuit Breaker Timing and closing. Checking the Close/Open operation of breaker from remote & local and rectification of wiring fault if any.

The following works are required to be carried out for providing and fixing of magnetic oil gauge in place of defective magnetic oil gauge of conservator tank of transformer installed at 132 KV S/S Hastinapur a per details given below:- 40 MVA 132/33 KV Transformer-01 No. (TAL Make)

Drain out of transformer oil from conservator tank of empty transformer oil drum.

Dismantling defective magnetic oil gauge of the tranformer.

Providing and fixing of new magnetic oil gauge in place of defective magnetic oil gauge of required size.

Top up of the tranformer oil from transformer oil drum to conservator tank of the tranformer with the help of pump.

P&H Engineering (BID ID -5273426)

SATKAR TRADERS (BID ID -5269694)