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Analysis of a Failure of Debugging on a Differential Trip
Author(s): 
Pages: 2992-2994
Year: Issue:  z1
Journal: East China Electric Power

Keyword:  Differential TripSelf-sustaining;
Abstract: 国网上海市区供电公司在进行某变电站纵差保护回路调试时,发现在某站加故障电流后纵差保护只跳本站.首先对纵差保护原理,PCS943继电器纵差逻辑进行分析,并根据计算分析拒跳原因及临时改进措施,最后给出了进一步解决方法.
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