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。
The reduction of the residual current of the ground-fault point is beneficial to the extinction of the grounding arc and to the reduction of the intermittent arc grounding over voltage.
减小接地故障点的残流有利于接地电弧的瞬间熄灭及降低间歇性电弧接地过电压。
The multi-point grounding fault of power transformer's iron-core accounts for a large proportion of all the common faults in the transformers.
论述变压器绝缘试验中温度、升压速度、极性、铁心是否接地对绝缘试验结果的影响，并分析产生这些影响的原因。
The multi-point grounding fault of power transformer's iron-core accounts for a large proportion of all the common faults in the transformers.
论述变压器绝缘试验中温度、升压速度、极性、铁心是否接地对绝缘试验结果的影响，并分析产生这些影响的原因。
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