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Fault location in radial distribution lines using travelling waves and network theory

机译:基于行波和网络理论的径向配电线路故障定位

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This paper proposes a method for locating a fault in a radial distribution network using travelling waves together with network theory. The single-ended travelling wave measurement scheme is used to calculate the distance of the fault from the terminal node. However, due to the radial structure of the distribution network, there could be more than one possible fault candidates at the same distance. The spanning tree structure and unsymmetrical nature of such networks are then taken into consideration to isolate the actual faulty link from all possible fault candidates. The methodology is explained on a simple 12 node example and further verified on the IEEE 34 node test feeder network using Matlab and Alternate Transients Program/Electromagnetic Transients Program (ATP/EMTP).
机译:提出了一种利用行波结合网络理论对径向配电网中的故障进行定位的方法。单端行波测量方案用于计算故障到终端节点的距离。但是,由于配电网的径向结构,在相同距离处可能会有不止一种可能的故障候选对象。然后考虑此类网络的生成树结构和非对称性质,以将实际的故障链路与所有可能的故障候选项隔离。该方法在一个简单的12节点示例上进行了说明,并使用Matlab和备用瞬变程序/电磁瞬变程序(ATP / EMTP)在IEEE 34节点测试馈线网络上进行了进一步验证。

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