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

Single Phase Earth Fault Protection of Circuit Breaker and Earthing Pattern of Distribution Power System

断路器单相接地保护与配电系统接地方式

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Comprehensive fault line selection method and its realization for single phase earth fault in distribution networks

配电网单相接地故障的综合选线方法及其实现

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The study of line selection of single phase earth fault, make many progress.

而对中性点非直接接地系统单相接地故障选线原理的研究，多年来取得了很多成果。

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Analysis of Phase out Fault in Neutral Non-grounded System

中性点不接地系统断相故障实例分析

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Method of single phase grounding fault location for railway power supply line

铁路贯通/自闭线单相接地故障段定位方法

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Accurate fault location technique for phase ground fault through high impedance

高阻接地短路的精确测距方法

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New Differential Protection Research for Generator Stator Single Phase Ground Fault

故障分量发电机定子单相接地保护应用研究

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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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Analysis and disposal of single-phase earth fault of power system

电力系统单相接地故障的分析和处理

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It is implemented by the FTUs' calculating and analyzing for the sampling parameters for the diagnosis of the single phase fault and the phase to phase fault, the fault location, the fault isolation and the analysis and measurement of ground fault.

通过FTU对采集量的计算和分析实现了单相短路和相间短路故障的判断以及故障定位、故障隔离及接地故障分析和检测等功能。

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Is in from the line when Phase fault breakdown, the single-phase earth fault, high breaks by pressing the breakdown three kind of malfunctions, aspect and so on line fault monitor and localization has carried on the detailed elaboration.

从线路处于相间短路故障、单相接地故障、高压断相故障三种故障状态时，线路故障的监测和定位等方面进行了详细的论述。

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Negative sequence currents generated in asymmetric short circuit fault and open phase fault are simulated by experiments and the measured experimental results coincide with the requested values, which proves the correctness of protection scheme.

并通过试验方法模拟了发生不对称性短路故障及断相故障时产生的负序电流，试验所得到的实测值和要求值基本吻合，从而验证了保护方案的正确性。

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Based on the analysis of main fault types of LV ( Low Voltage) flameproof motor, the negative sequence protection principle is proposed for its asymmetric short circuit fault and open phase fault.

通过分析低压隔爆电动机的主要故障类型，针对不对称性短路故障和断相故障提出了采用负序保护原理进行保护的方案。

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This paper takes a practical primary fault for an example to analyze and calculate, and illustrates that the fault will spread if the B phase fault were not be cut in time.

以一次实际故障为例，进行了分析计算，说明B相故障可能出现切除不及时导致故障扩大。

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This paper discusses the influence of line distribution capacitance on high frequency protection for directional negative phase-sequence and impedance elements, i. e. phase fault element and earth fault element.

本文将讨论线路分布电容对负序方向高频保护和阻抗元件（相间故障和接地故障元件）的影响。

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The lab experiments showed that under the single phase fault status, the system could be accurate and reliable to detect the fault line and to drive the trip.

经实验室试验证明该系统在单相故障状态下能准确可靠地检测出故障线路并驱动跳闸。

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Detecting the fault line correctly is important to clear the fault and improve power supply reliability when single phase fault occurs in neutral indirectly grounded system.

小电流接地系统发生单相接地故障时，准确检出故障线路对快速排除故障、提高供电可靠性具有重要意义。

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The design of negative sequence protection is mainly introduced with seriously unbalanced power supply voltage fault, open phase fault and two-phase short circuit fault.

从电源电压严重不平衡故障、断相故障和两相短路故障三方面介绍了负序保护方案设计；

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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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In addition, calculation of the branch currents of the whole network under three phase fault is discussed.

文章还进一步讨论了计算短路故障时全网分支电流的方法。

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