single-point grounding

Most of the faults are the single phase grounding faults, if ignored, will be likely to expand to interphase short circuit.

在配电网故障中绝大部分是单相接地故障，该故障发生后若不及时处理，容易扩大为相间短路。

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Research on Single Phase Grounding Fault Location System for Transmission Line

输电线路单相接地故障定位系统的研究

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Similarly, fault areas of single-phase ground circuit could be identified by detecting grounding points at the power source and variation of zero sequence admittance value acquired both at ovt cir first time and at the second time.

同理，通过检测第一时间、第二时间接地点电源侧和负荷侧零序导纳值变化，可以确定发生单相接地线路上故障区段。

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Prevention and Detection of Single-phase Grounding Fault for 10 kV Distribution Line

10kV配电线路单相接地故障的检测和预防

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Search and improvement of 10 kV distribution network line single-phase grounding failure

10kV配电网线路单相接地故障的查找及改进方法

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The simulations were compared with experimental results for a ground fault in the stator windings of a 12 kW synchronous test generator as a single machine with no load and neutral grounding with a resistor.

为验证仿真的正确性和有效性，对一台12kW同步发电机实验样机进行了单机空载、中性点电阻接地情况下的定子单相接地实验，并给出了实验结果。

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Analysis of the Neutral, the low resistance grounding and arc suppression coil grounding through the advantages and disadvantages of three ways, using MATLAB simulation under different single phase grounding fault in the operation.

分析了中性点不接地、经小电阻接地和经消弧线圈接地三种方式的优缺点，用MATLAB对不同接地方式下单相接地故障时的运行情况进行了仿真。

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Locating Method for Single Phase Fault Cooperated with FTU in Non-effectively Grounding Network

配合FTU的非有效接地系统单相故障定位方法

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Single-phase grounding over-voltage of arc light can still occur in 10 KV distribution power network with small capacity current ( 10 A betow).

10kV配网小电容电流（10A以下）仍会产生单相接地弧光过电压。

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Contactor control is used by three-phase load motor in electric power locomotive. Current quick-break protection, inverse time over current protection and single-phase grounding protection can be realized by single chip micro-computer.

电力机车三相负载电动机采用接触器控制方式，可用微型单片机同时实现电流速断、反时限过流及单相接地等保护。

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