联合加压回路在高压断路器失步开断试验的应用

摘要

This paper describes using the working principle which uses combined pressure test circuits for out-of-step breaking test of 126kV and above high voltage alternating-current circuit breaker to calculate parameters of out-of-step breaking test circuits in 145 kV voltage grade and to simulates waveforms of the transient recovery voltage.145kV/40kA out-of-step breaking (OP2) test has been done based on this circuit and testing parameters , and the test results confirm the anticipated requirements .%文章阐述了采用联合加压试验回路进行126 kV及以上高压交流断路器失步开断试验的工作原理，计算了145 kV电压等级失步开断试验回路的参数，对瞬态恢复电压波形进行了仿真，并依据此回路及试验参数进行了145kV／40kA失步开断（OP2）试验，试验结果符合预期要求。