摘要
对220kV福凯Ⅱ回线高频闭锁距离保护误动原因作了分析。
The maloperation cause of HF blocking distance protection of 220kV Fukai Ⅱ circuit is analyzed and its solving measure is presented.
出处
《继电器》
CSCD
2000年第2期51-52,46,共3页
Relay
关键词
微机保护
零序电流保护
距离保护
线路保护
microprocessor_based protection
HF blocking distance
zero_sequence current protection
impedance
direction
