摘要
通过2起220 kV母线全停事故案例,总结分析了可能发生的几种多故障点母差保护动作情况,提出了准确判断的依据,为省调值班员和现场值班员分析、判断和处理事故提供了帮助。
Through two prejudications of fault examples of 220 kV bus completely shutdown, and based on summarizing and analysis on the buses differential protection actuation of several possable kinds of fault points, then the bases of accurate judgement are pointed out to help the provincial and site dispatchers to analyze, judge,and handle the fault.
出处
《河北电力技术》
2005年第6期14-15,18,共3页
Hebei Electric Power
关键词
母线故障
保护信息
判断
bus fault
protection information
iudgement
