故障选线
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earth fault detection 故障选线
earth-fault detection 接地故障检测
Battery earth fault detection 电池接地故障检测
earth fault line detection 地故障选线
single-phase earth fault detection 单相接地故障检测
single phase earth fault detection 系统单相接地短路故障选
earth fault line detection devices 接地选线装置
detection earth fault
检测接地故障
以上为机器翻译结果，长、整句建议使用 人工翻译 。
So it is necessary to find some ways for the fault location detection. In the phase-to-earth fault power system, the value of zero-sequence impedance is directly related to the earth conductivity.
这样就降低了供电可靠性，故找出一种新思路使其能更准确有效地判断故障点具有重要意义。
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