| 中性点非直接接地系统的单相接地故障测距新算法 |
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| 引用本文： | 王俊勇,张保会.中性点非直接接地系统的单相接地故障测距新算法[J].电力自动化设备,2000,20(3):8-11. |
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| 作者姓名： | 王俊勇 张保会 |
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| 作者单位： | 西安交通大学,电力学院,陕西,西安,710049 |
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| 摘 要： | 提出一种利用输电线路单端电压及电流的测量值来进行精确故障定位的新算法，该算法通过采用线路的分布参数模型，精确考虑了分布电容对测距算法的影响，从而大大提高测距算法的精确度。该算法通过ＥＭＴＰ仿真验证，证明有很高的精确度。
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| 关 键 词： | 输电线路 故障测距 单相接地 非直接接地系统 |
A New Fault Location Algorithm for Single-Phase-to-Earth Fault in Non-Direct-Grounding Neutral System |
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| WANG Jun yong,ZHANG Bao hui.A New Fault Location Algorithm for Single-Phase-to-Earth Fault in Non-Direct-Grounding Neutral System[J].Electric Power Automation Equipment,2000,20(3):8-11. |
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| Authors: | WANG Jun yong ZHANG Bao hui |
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| Abstract: | A new fault location algorithm is presented which uses voltage and current values measured from single terminal of faulted transmission line. The distributed model of transmission line is applied and the effect of capacitance on it is precisely considered, its precision is hence greatly enhanced. The method has been simulated by EMTP and proved very accurate. |
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| Keywords: | fault location distributed model transmission line |
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