【摘要】 斗山站550 kVELFSL7-4型SF6断路器已投运近20年,本文介绍了对其中一台断路器的解体评测情况。在对电气性能、机械性能、结构尺寸等多方面的综合检查、测量和试验的基础上,结合断路器本体和气动机构的解体测量,对该断路器的综合情况、机械寿命、电寿命进行了评估。更多还原

【Abstract】 It is nearly 20 years passed since 550kV ELF SL7-4SF6 circuit breakers at Doushan Power Station put into use.This paper introduces general situations of dismantling evaluation for one of them.Based on comprehensive inspection,measurement and test in fields of electrical performance,mechanical performance and structural dimensions,incorporating with dismantling measurement of the circuit breaker itself and itspneumatic operating mechanism,this paper gives out an evaluation of general condition,mechanical endurance and electrical endurance of the circuit breaker.更多还原