配电网弧光高阻接地故障仿真与实测波形差异性分析

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摘要针对现有配电网弧光高阻接地故障波形多样、仿真所得波形与工程实际差异较大,导致已有故障识别模型难以泛化等问题,本文首先分析已有的仿真模型伏安特性,然后通过试验获取实测伏安特性,并分析仿真波形与实测波形的差异性,最后对影响波形的故障非线性、随机性、间歇性、热惯性、零休偏移等特性进行总结,提出在考虑无功分量的基础上改进建模方法的建议。

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	林万里
	杨耿杰
	郭谋发

关键词 ：配电网, 弧光高阻接地故障, 仿真模型, 差异性, 伏安特性

Abstract：In response to issues such as the diverse waveforms of arc high impedance faults in distribution networks, significant discrepancies between simulated and actual waveforms, which resulting difficulty in generalizing existing fault recognition models, the voltage-current characteristics of existing simulation models are analyzed firstly in this paper. Then experimental data are obtained to examine the actual voltage-current characteristics, and the differences between simulation and measured waveforms are analyzed. Finally, the characteristics influencing waveforms, including nonlinearity, stochasticity, intermittency, thermal inertia, and “shoulder” offset, are summarized, and improvement suggestions are proposed based on the consideration of reactive components.

Key words： distribution network arc high impedance fault simulation model difference voltage- current characteristic

收稿日期: 2025-01-20

作者简介: 林万里（2000—）,男,福建泉州人,硕士,主要研究方向为配电网及其自动化技术。

引用本文:

林万里, 杨耿杰, 郭谋发. 配电网弧光高阻接地故障仿真与实测波形差异性分析[J]. 电气技术, 2025, 26(6): 38-44. LIN Wanli, YANG Gengjie, GUO Moufa. Analysis of the difference between simulation and measured waveforms of arc high impedance fault in distribution network. Electrical Engineering, 2025, 26(6): 38-44.

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https://dqjs.cesmedia.cn/CN/Y2025/V26/I6/38

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