摘要
介绍了一起区外故障主变差动保护误动的案例,详细分析了本次主变差动保护误动作的原因,并提出了改进建议。
Introduces a case of the main transformer differential protection misoperation for the failure outside of the region, analyzes carefully the cause of the main transformer differential protection misoperation, puts forward improving suggestion.
出处
《宁夏电力》
2008年第6期42-45,共4页
Ningxia Electric Power
关键词
区外故障
保护误动
CT饱和
the failure outside of the region
protection misoperation
CT saturation