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A set of indicators for arc faults detection based on low frequency harmonic analysis

机译:基于低频谐波分析的电弧故障检测一套指标

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In this paper a novel set of indicators is presented for arc faults detection in electrical circuits. The indicators are defined starting from an experimental characterization of the arc fault phenomenon and the study of the arcing current in several test conditions, which were chosen in accordance with the UL 1699 Standard requirements. The proposed parameters are measured by means of a high resolution low frequency spectral analysis of the arcing current, which allows to achieve a good spectral resolution even with short observation windows.
机译:本文提出了一种新颖的指标,用于电气电路中的电弧故障检测。从电弧故障现象的实验表征开始,从近几种测试条件的电弧电流研究开始定义,这是根据UL 1699标准要求选择的。所提出的参数通过电弧电流的高分辨率低频光谱分析来测量,这允许即使使用短观察窗而达到良好的光谱分辨率。

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