【摘要】 针对上安电厂 6kV真空断路器操作高压电动机频繁启动并多次烧毁的现象展开试验研究 ,通过试验收集了真空断路器的操作过电压倍数与截流大小 ,并根据真空断路器的特点分析了造成电动机烧毁的原因 ,提出相应的改进建议更多还原

【Abstract】 This paper studies the phenomenon that the motor is frequently burnt out,which is interupted by 6 kV vacuum circuit breaker which undertakes frequently start-up.Through the test,many data of operational overvoltage of the vacuum circuit breakers and interrupting current are collected.The cause of motor burnt-out is analysed according to the characteristics of the vacuum circuit breaker,some improving suggestions are accordingly puts forward .更多还原