An automatic fault location method is proposed based on ftu after the circuit analysis of single line - to - ground fault in distribution networks 通过对配电网发生单相接地故障后馈线的电压、电流变化规律的分析，论文提出了基于馈线现场监控终端ftu的故障点智能定位方法。
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In the method zero sequence voltage is discussed and new principle for automatic fault location and isolation based on the zero sequence voltage is presented in this paper 该方法以馈线电压变化量为故障点定位的主要判据进行故障点自动监测与定位，并迅速隔离故障区段，恢复正常区段的供电。
