Description: work NAME OF WORK WORK OF SERVICING OVERHAULING OF 245 K V CIRCUIT BREAKER INSTALLED FOR AT 220 K V SUB STATION GOMTI NAGAR UNDER E T D II LUCKNOW
Details: Work of maintenance & Major Overhauling of each pole mechanism assemblies of AREVA make 245 kv SF-6 Circuit Breaker(each CB has three pole) type GL314 of 220kv bay.The job includes overhauling of control assembly ,holding latch assembly,trip latch ,anti pumping pin assembly,moert charging gear assembly etc.Overhauling of three-phase lever,shockabsorber etc.Opening of different parts of mechanism for wear and tear.Rectification/reparing of roller,linkage of mechnical assembly.Rectification of gas leakage from gas pipe assembly by replacing O-ring and brazing etc. work also includes tightening of all electrical connections for satisfactory operation of circuit breaker and checking of closing , tripping time and also measure contact resistance of each pole at 220KV S/S GOMTINAGAR LUCKNOW all T&P and testing kit provided by firm 220KV LINE BAY
Sector: Transmission