The protection for earth fault line selection and fault point location by S injecting current in neutral isolated power system is presented.
介绍了基于“S注入法”的小电流接地系统单相接地故障选线定位保护。
But the line selection device base of these fault line selection principle, didn't have the reliability and veracity of apply in the power system.
但是根据这些故障选线原理制造的选线装置，还不具备在电力系统中推广应用的可靠性和准确性。
According to the researching situation of fault line selection in distribution networks, a novel algorithm of transient line selection is proposed.
针对配电网故障选线的研究现状，提出了一种暂态选线新算法。
Some existing theories schemes on the fault line selection have been summarized and analyzed systematically in this paper. In the end, a conclusion is given.
本文系统地归纳和分析了现有的各种选线原理和方案，并给出了结论。
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。
A series of TY protections based on the s's signal injection method have been widely applied to fault line selection and fault location in power systems in China.
基于“S注入法”的选线定位保护新原理的TY系列选线定位保护已大量运行于国内电力系统。
This paper gives a general overview of various neutral grounding modes. Some existing theories schemes on the fault line selection have been summarized systematically.
配电网中性点采用小电流接地在世界范围内是一种较流行的接地方式，并在我国配电网中得到了广泛应用。
Controllable saturated reactor is widely used in dynamic reactive power compensation, induction motor soft-starting and fault line selection of small current grounding system.
可控饱和电抗器在动态无功补偿、电机软启动、小电流接地选线等方面具有广阔的应用前景。
An incorporate device of automatic arc-suppression coil and grounding fault line selection based on modularity structure was developed to improve its reliability and flexibility.
为提高可靠性和使用的灵活性，开发了一种模块化结构的自动消弧线圈及接地选线成套装置，给出了二者的硬件设计和接地故障子程序设计。
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 average correlation coefficient is calculated to remove the errors caused by asynchronous sampling and the faulty line selection list is sorted according to the fault probability of line.
通过求取相关系数平均值，避免数据采集不同步引起的计算误差，得到按照发生线路故障可能性大小排列的故障选线序列。
The average correlation coefficient is calculated to remove the errors caused by asynchronous sampling and the faulty line selection list is sorted according to the fault probability of line.
通过求取相关系数平均值，避免数据采集不同步引起的计算误差，得到按照发生线路故障可能性大小排列的故障选线序列。
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