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。
Radiation metal line has second signal feeder point which is near to the first signal feeder point.
以及一辐射金属线，具有一第二信号馈入点，所述第二信号馈入点邻近于所述第一信号馈入点。
应用推荐