Name of Work:- Repairing of Emergency Breakdown & Overhauling of 01 Nos. 33 KV VCB at 220 KV S/S Sikandra, Under ETD- II Agra
Sl. No.
Item Description
1
Checking and adjustment of snatch gap, travel of drive insulator rod and tie rod of each pole. Repairing of mechanism for solving the dummy/mechanical problem. Oiling and greasing of crank gear by opening of lock, circle etc. Replacement of worn out parts such as, rings, lock pins and latch etc. Checking and adjustment of dashpot oil of breaker for its damping action. After overhauling of 01 Nos. 33 KV VCB (Capacitor Bank (302) ) following test to be carried out. Opening and closing time of breaker of leach pole. Carrying out contact resistance measurement (CRM) of each pole. Checking of megger values of breaker poles, checking of breaker tripping at 70% DC voltage. Checking of CLOSE/OPEN operation of both breaker from REMOTE and LOCAL
2
Supply of tripping coil and closing coil of 110 V DC suitable for 33 KV VCB. Please Enable Macros to View BoQ information
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