真空断路器操作过电压及其保护装置

Vacuum Circuit Breaker Operation Over Voltage ad Its Protection Apparatus

简要介绍在不同特性电路,不同条件下运行的真空断路器所产生的操作过电压,分析降低真空断路器操作过电压的原理,探讨用RC保护过电压的方法,并介绍在设计中选择操作过电压保护装置的方法,讨论实际工程中氧化锌避雷器在各种馈线回路中能否起到防止真空断路器操作过电压的危害。

Simply introduced the operation over voltatage caused by the vacuum circuit breaker and analysis the electric line under verious operation condition and anslysis the principle of decrease the vacuum circuit breaker operation over voltage; discussed the protection over the method by using RC. Introduced the selection operation over voltage protection equipment methods in design; discussed the actual project, oxygen zinc lighting arrester in verious feeder lines circuit can prevent the vacuum circuit breaker operation over voltage from harming.