To improve the reliability of conventional protection using traveling waves,a wide area protection method based on polarity comparison of the first traveling wave is proposed.
针对传统行波保护可靠性低这一缺点,提出一种基于初始行波极性比较原理的广域行波保护方案。
参考来源 - 基于极性比较原理的广域行波保护方法·2,447,543篇论文数据，部分数据来源于NoteExpress
介绍了单相接地故障行波选线原理，故障线路电流初始行波幅值最大，极性与非故障线路相反。
Its principle is presented: the amplitude of initial traveling wave on faulty feeder is higher than those on other feeders and its polarity is in inverse.
基于行波的输电线路双端测距算法只用到到达故障线路两侧母线的第一个故障初始行波波头，其可靠性较高。
Based on the traveling wave, double ended approach only deals with the first transient traveling wave reaching the two buses of the fault line.
该文提出利用线路故障产生的暂态行波实现配电架空线、电缆混合线路单相接地及相间短路故障测距，分析了故障初始行波模分量的暂态特征。
Using transient traveling waves generated by fault to locate single-phase earth fault or short circuit fault in distribution feeders mixed with overhead lines and cables is proposed.
应用推荐