摘要
对某电厂#7发变组差动保护动作造成停机的事故进行了分析,得出该保护区外动作是保护设计缺陷的结论,并提出了临时解决问题的对策和进一步的升级改造方案。
The paper analyzes the false-trip cause and gives solution on differential protection at # 7 generator-transformer set at Hengyun power plant. To conclude that the reason of the guard interval external action is protection design defects,and proposes countermeasures to solve the problem of temporary and further technical reformation scheme.
出处
《机电工程技术》
2014年第6期250-253,共4页
Mechanical & Electrical Engineering Technology
关键词
差动保护
负荷
动作
原因
对策
differential protection
load
operation
cause
solution
