电力系统输电线路故障定位的算法研究

Study on Algorithm of Fault-locating for Power Line

目的 研究输电线路故障定位的新算法 .方法 通过测定输电线路故障点处电压与电流的关系 .结果 新算法从根本上减少了故障点处负荷与阻抗的影响 .结论 该算法具有较高的故障定位精度 。

Aim: To study a new algorithm of fault-locating for power line. Methods: By determining the relationship of voltage and current which are measured at the moment of power line fault. Results: It eliminates the affection of grounding resistance and load at all. Conclusion: The new algorithm has higher fault-locating precision, better parameters robustness and faster calculation speed than others.