Fault phase selector 故障选线元件
fault phase selector relay 故障相选择电驿 ; 故障相检示电驿
fault phase identification 故障相判别
earth-fault-phase selector relay 地络相选别継电器
fault-phase 故障相
phase fault 相间短路 ; [电子] 相位故障 ; 相故障 ; 金属性三相短路故障
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。
Currently used fault phase selector components are compared and their characteristics and shortcomings are pointed out.
对目前实用的突变量及稳态量选相元件进行了比较，指出了其特点和存在的不足。
The fault phase selector discussed is based on the result that the fault component of sound phases is zero when a single-phase-to-ground fault occurs.
文中所探讨的相电流突变量选相元件，是利用单相接地故障时，两健全相相间电流突变量为零这一特征来得到的。
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