中性点隔离网络单相故障参数的确定方法

2016 2nd International Conference on Intelligent Energy and Power Systems (IEPS) Pub Date : 2016-06-07 DOI:10.1109/IEPS.2016.7521880

N. Grebchenko, V. Maximchuk, Y. Pylypenko

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引用次数: 2

摘要

介绍了一种分布负载架空线在隔离中性点情况下的故障定位检测和电阻值评估算法。该方法基于线路模态参数的测量结果。提出了考虑线路电压影响的双线轨式运行线路电力自动化的数学模型。在每条相线和地之间放置电容以提高方法的准确性。分析了故障定位中电阻值确定的准确性。

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The method of determining parameters of single-phase fault in network with isolated neutral

An algorithm of fault location's detection and resistance's value assessment is described for overhead lines with distributed load in case of isolated neutral. The method is based on the results of measurement of line's mode parameters. A mathematical model is proposed considering the influence of the voltage of the line two wires - rail mode operation-line power automation. Capacitances are placed between each phase line and the ground to increase the accuracy of the method. Accuracy of determining the values of resistance in fault location is analyzed.

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2016 2nd International Conference on Intelligent Energy and Power Systems (IEPS)

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