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A Novel Fault Phase Selection Scheme Utilizing Fault Phase Selection Factors

机译：利用故障选相因子的新型故障选相方案

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摘要

A new fault phase selection method for transmission lines is proposed in this article. First, fault phase selection factors are constructed based on the relationship between the fault current of each phase and the fault current difference of the other two phases at a relay point. By analyzing different characteristics of fault phase selection factors in the case of different fault types, fault phase selection criteria are proposed. Simulation results show that fast and accurate selection of the fault phase can be achieved within a period cycle after fault occurs. Also, it is verified that the method bears a high sensitivity to all types of faults and is immune to the impact of fault resistance, fault inception angle, fault location, load current, and high-voltage DC lines, which makes it relatively reliable. Even when a developing fault occurs, good selectivity is secure with this method. Furthermore, the method provides sufficient sensitivity for phase selection on the weak-infeed side and parallel lines.
机译：提出了一种新的输电线路故障选相方法。首先，基于各相的故障电流与中继点的其他两相的故障电流差之间的关系，构建故障相选择因子。通过分析故障类型不同时故障选相因子的不同特性，提出了故障选相标准。仿真结果表明，在故障发生后的一个周期内，可以快速，准确地选择故障阶段。此外，已证明该方法对所有类型的故障都具有高灵敏度，并且不受故障电阻，故障起始角度，故障位置，负载电流和高压直流线路的影响，这使其相对可靠。即使发生显影故障，使用此方法也可以确保良好的选择性。此外，该方法为弱馈电侧和平行线上的相位选择提供了足够的灵敏度。

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  • 来源
    《Electric Power Components and Systems》 |2015年第5期|491-507|共17页
  • 作者

    Jing Ma; Wei Ma; Xiangsheng Zhu; Xiang Gao; Yinan Li; Xi Wang; Zengping Wang; Qixun Yang;

  • 作者单位

    State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, 102206 Beijing, China;

    State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing, China;

    State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing, China;

    State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing, China;

    State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing, China;

    State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing, China;

    State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing, China;

    State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing, China;

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  • 正文语种 eng
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  • 关键词

    fault phase selection; fault current; fault phase selection factors; fault resistance; fault inception angle; fault location; developing fault; weak-infeed side;

    机译：故障阶段选择;故障电流故障选相因素;故障电阻断层起始角故障位置;发展故障;弱进料侧;

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