This article had introduced an electric power system fault, and analyzed the hidden trouble exposed by the this fault. A reasonable solution was brought forward at the end of the article.
本文介绍了一次电力系统故障，分析暴露出的隐患，最后提出合理的解决方案。
Upon the research on the whole electric power system, the robustness of fault diagnosis algorism is bad and it is hard to build practical math models for some objects.
在对整个电力系统进行故障诊断研究时，故障诊断算法的鲁棒性差且有些诊断对象不易于建立实际系统数学模型。
In electric power plants and substations, a detection of DC system ground fault was usually completed in hand manner, which is very much trouble and danger.
在发电厂和变电所内，直流系统接地故障的检测，过去一直采用手动方式来完成。
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