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首页> 外文期刊>IEEE Transactions on Power Delivery >Fault Location in Distribution Systems Based on Smart Feeder Meters
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Fault Location in Distribution Systems Based on Smart Feeder Meters

机译：基于智能馈电表的配电系统故障定位

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摘要

This paper proposes a fault-location method based on smart feeder meters with voltage sag monitoring capability. The main idea is to explore voltage measurements from monitors placed in different buses of distribution systems to estimate the fault location. The estimation is achieved by relating the voltage deviation measured by each meter to the fault current calculated based on the bus impedance matrix, considering the fault in different points. In order to improve the method accuracy, the loads are represented by constant impedance models and included into the bus impedance matrix. The performance of the proposed method is demonstrated by using a real distribution system. Sensitivity studies results show that the method is robust since it has good performance for different values of fault resistance, quantity, and location of the smart meters.
机译：提出了一种基于智能馈线电表并具有电压暂降监测功能的故障定位方法。主要思想是从位于配电系统不同母线上的监视器探索电压测量值，以估计故障位置。考虑到不同点的故障，可以通过将每个电表测量的电压偏差与基于总线阻抗矩阵计算的故障电流相关联来实现估算。为了提高方法的准确性，负载由恒定阻抗模型表示，并包含在总线阻抗矩阵中。通过使用一个实际的分配系统证明了该方法的性能。敏感性研究结果表明，该方法具有鲁棒性，因为它对于不同的故障电阻，数量和智能电表位置具有良好的性能。

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