Overhauling of 145KV circuit breakers at 132KV sub station Sandila under ETD Hardoi

Amount

Major overhauling of 145 KV SF-6 Circuit Breaker of ABB/CGL/Siemens make spring type installed at bays at 132 KV Sub-station, Sandila. The work includes overhauling of control block assembly. Opening latch, anti pumping assembly. Opening, cleaning &overhauling of motor charging system, replacement of worn out parts. Checking of shock absorber, closing damper etc. adjustment of all gaps, cleaning & greasing of leavers, connecting rods, CAM, Disc. CAM etc, checking of mechanism assembly for wear & tear, rectification/ repairing of worn out parts. Checking of limit switch, power contact, auxiliary contractors for proper functioning. Checking and re-tighting of all electrical connections, checking of gas leakage from copper pipe assembly of gas system, measurement of closing tripping time of Circuit Breaker, measurement of contact resistance of Circuit Breaker. (i) 132KV HV bay of 40 MVA T/F-I at 132 KV S/S, Sandila

(ii) 132KV HV bay of 40 MVA T/F-II at 132 KV S/S, Sandila

(iii) 132KVRahimabad bay at 132 KV S/S, Sandila

SARASWAT ELECTRICALS

SWITCHGEAR AND TRANSFORMER CARE CENTRE

vivaan enterprises

M/S YASHVARDHAN ENGINEERING WORKS