摘要
叙述了贵州东部电网1999年“4.24”保护误动事故,重点介绍了利用全球卫星定位系统(GPS)同步时钟在线路两侧进行故障暂态同步试验的原理和方法。通过GPS同步试验查清了这次高频保护误动的原因。
The maloperation of transmission line protection which occurred in East Guizhou Power Network on April 24, 1999 is presented. A method in which the GPS is used as time synchronization in protective relaying tester is described emphatically. By means of GPS, the reason of the maloperation is found out.
出处
《电网技术》
EI
CSCD
北大核心
2000年第1期22-23,共2页
Power System Technology