用真实示波器数据再现高阻抗双线对地故障

2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA) Pub Date : 2020-09-28 DOI:10.1109/TDLA47668.2020.9326209

W. Heringer, M. D. A. Cordeiro, J. C. H. Paye, A. L. Sousa, A. P. Leão, J. P. A. Vieira, M. C. Santos, G. Cardoso, A. P. de Morais, A. Wontroba, P. E. Farias

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引用次数: 0

摘要

本文利用实际示波器数据和ATP-EMTP软件再现了实际双线对地高阻抗故障事件。事故发生在连接到Salinópolis 13.8 kV变电站的架空配电系统中，两根电缆断裂并接触到土壤接触面。上述事件的再现方法是基于从中性电流测量中简单计算故障电流，以生成HIF模型中使用的V × I曲线。结果表明，仿真得到的电流信号与电流测量值吻合，验证了所提方法的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Reproduction of a High Impedance Double line-to-ground Fault Using Real Oscillography Data

This paper presents the reproduction of an actual high impedance fault (HIF) event of type double line-to-ground using real oscillography data and ATP-EMTP software. The event occured in an overhead distribution system connected to substation Salinópolis 13.8 kV, after two cabes broke and touched a soil contact surface. The reproduction method of the mentioned event is based on simple calculation of fault currents from neutral current measurements to generate the V × I curve used in the HIF model. The results show that current signals obtained from simulation match the current measurements, demonstrating the effectiveness of the proposed method.

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2020 IEEE PES Transmission & Distribution Conference and Exhibition - Latin America (T&D LA)

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