合分闸回路对真空断路器的影响  

Effect of Closing-opening Circuit on Vacuum Circuit Breaker

作　　者：常海英[1] 马立爽[1] 

机构地区：[1]煤炭科学研究总院抚顺分院,抚顺113001

出　　处：《电气开关》2008年第3期59-60,共2页Electric Switchgear

摘　　要：主要针对真空断路器合闸与分闸速度对真空断路器的损害性,归结出线圈两端工作电压偏低是影响真空断路器寿命与安全性能的主要原因,提出利用电容滤波、补偿以提高真空断路器线圈两端电压,实践证明,具有电容滤波、补偿的电路,真空断路器的分断能力、可靠性以及寿命上都有了很大提高。For closing and opening speed of vacuum circuit breaker to the circuit breaker damage,it is summarized that working voltage of ends of the coil being on low side is main reason of affecting the circuit breaker life and safety performance. Make use of capacitance filtration and compensation in order to raise the ends of the coil voltage of the breaker. The result has been shown that for the circuit with capacitance filtration and compersation, breaking capacity, reliability and life of the breaker which has been improved.

关 键 词：合闸速度 分闸速度 危害性 滤波 

分 类 号：TM561.2[电气工程—电器]