摘要
介绍了西柏坡发电厂220kV升压站中间开关跳闸的事故概况,分析了交流电压串入直流回路后对微机保护的影响,并提出了相应的防范措施。
The accident of the circuit breaker＇s tripping at the 220kV booster stations in the Xibaipo electric power plant is introduced. The influence on the DC circuit and the microcomputer protection systems by the AC in the DC is analyzed. And the technical measure on preventing tripping is proposed.
出处
《继电器》
CSCD
北大核心
2007年第14期77-78,共2页
Relay
关键词
交流串入直流
开关跳闸
事故原因
the AC in the DC
tripping of the circuit breaker
cause of the fault
