Shorted fault phase selection 短路故障选相
synthetic fault phase selection 综合选相元件
A new fault phase selection (FPS) relay is put forward. by which fault phase selection is accomplished throughdistinguishing the fault features of modulus maxima of wavelet transform of transient current travelling waves (TCTW).
构造了一个新型行波故障选相元件，其基本原理是计算模量初始电流行波在小波变换下的模极大值，根据3个模量的故障特征选择故障相。
参考来源 - 基于小波变换的行波故障选相研究第2部分仿真试验结果The fault phase selection includes current phase selection and impedance phase selection, and the fault location contains current direction element and impedance direction element, and then the idiographic method is given.
其中,故障选相采用序电流选相和阻抗元件选相两种,故障定位采用零负序电流方向元件和阻抗方向元件。 文中详细分析了各种选相元件和故障定位元件的工作原理和保护判据,并给出了具体的故障选相和故障定位方法。
参考来源 - 新型广域网后备保护研究·2,447,543篇论文数据，部分数据来源于NoteExpress
This paper studied the transmission lines when earthing fault fault phase selection criterion.
本文研究了输电线路接地故障时的故障选相判据。
On account of the weak fault current and unstable fault arc, the problems of the single phase to ground fault line selection in the non-solid earthed network have never been thoroughly resolved.
由于故障电流小、电弧不稳定等原因，小电流接地系统单相故障选线问题始终没有得到彻底解决。
The phase comparison between fault feeder and healthy feeder is one of important criteria in fault line selection for neutral non-effective grounding systems.
小电流接地系统发生单相接地故障时，故障线路与健全线路在特征频段内零序电流的相位差别是接地选线判据的重要依据之一。
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