基于零序容性功率方向的线路故障点检测

Circuit Error-Point Detection Based on Zero-sequence Capacitive Power Dirction

本文分析了中性点经消弧线圈接地系统的零序容性功率方向在故障点前后将发生改变。将零序容性功率方向的这一特征用于线路故障点检测具有灵敏度高、检测速度快的优点。

It is ananlyzed that zerosequence capactive power direction of the neutralpoint grounded system through are quenching coil will change in front and behind the errorpoint.The circuit errorpoint can be detected with good sensitive and high speed by using this feature.This method is suitable for neutralpoint not grounded.