| 一种配电网故障定位的新方法 |
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| 引用本文： | 王留成.一种配电网故障定位的新方法[J].淮阴师范学院学报(自然科学版),2011,10(2):118-121. |
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| 作者姓名： | 王留成 |
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| 作者单位： | 淮阴师范学院物理与电子电气工程学院,江苏淮安,223300 |
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| 基金项目： | 淮安市科技(工业)支撑计划指导性项目 |
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| 摘 要： | 结合我国配电网的实际情况,提出一种能够确定配电网故障点确切位置的实用方法.该方法通过比较各节点电压确定故障区段,并将故障区段始端故障电压与本线路末端短路时的故障电压对比得出故障点距离.该方法适用于中性点不直接接地系统的各种短路故障的定位,并可应用于故障的自动在线检测.
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| 关 键 词： | 配电网 故障定位 相间短路 单相接地 |
A New Method for the Location of Various Short-circuit Faults Occurred in Distribution Networks |
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| WANG Liu-cheng.A New Method for the Location of Various Short-circuit Faults Occurred in Distribution Networks[J].Journal of Huaiyin Teachers College(Natrual Science Edition),2011,10(2):118-121. |
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| Authors: | WANG Liu-cheng |
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| Abstract: | According to practical condition of distribution networks in China,a practicable method that can find out exact position of faulty point in distribution network is proposed.The method detect the fault section by comparing each node voltage,and obtained the fault distance by comparing fault section beginning voltage with the voltage when the short circuit fault occurs in the end of the line.The method is suitable to the location of various short-circuit faults occurred in distribution networks with the isolated neutral system,and can be applied to the fault of the automatic online detection. |
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| Keywords: | distribution network fault location inter-phase short circuit single-phase earth fault |
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