fault grounding point detection 故障定点
detection of fault grounding point 接地点探测
one point grounding fault 一点接地
one-point grounding fault 一点接地故障
The self-extinguishing of the arc caused by a single-phase grounding fault depends mainly on the amplitude of the residual current at grounding point.
可自恢复性单相接地故障点的电弧是否能自然熄灭的决定因素是接地故障残流的大小。
The fir st two methods have low precisions for influence oft these cases : line parameters , fault point grounding impedance , operating mode of power system.
前两种方法因受一些情况例如参数、故障点接地阻抗、运行模式等影响而具有较低的精确度，而行波法具有较高的精确性。
It introduces cable grounding fault location method and analysis. It provides fast and true method for power supply enterprise to find fault point when cable is failure that is not easy to find.
介绍了电缆接地故障定位与分析，解决了电缆发生故障不易查找故障点的问题，为生产及供电企业快速准地查找故障点提供了可以借鉴的方法。
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