一种基于小波包分析的电弧故障检测新方法的评价

2001 Power Engineering Society Summer Meeting. Conference Proceedings (Cat. No.01CH37262) Pub Date : 2001-07-15 DOI:10.1109/PESS.2001.970269

A. Lazkano, J. Ruiz, E. Aramendi, L. Leturiondo

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引用次数: 25

摘要

提出了一种新的电弧故障检测方法，并对该方法的检出率和安全等级进行了评价。该方法是在分析三相不平衡电流，馈线3I/sub 0/的基础上，利用小波变换技术对信号进行分解。结合时域和频域特性，建立了检测高阻抗故障电弧存在的判据。用分阶段故障记录、正常状态记录和变电站事件记录的信号对该方法进行了测试。试验结果表明，该方法是一种令人满意的故障检测方法。

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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Evaluation of a new proposal for arcing fault detection method based on wavelet packet analysis

This paper presents a new proposal for the detection of arcing faults (AF) and evaluates the detection rate and the security level of the proposed method. This method is based on an analysis of three-phase unbalanced current, feeder 3I/sub 0/, using decomposition of the signal by means of wavelet transform techniques. Combining both temporal and frequency localizing properties, criteria are set in order to detect electric arc existence related to high impedance faults. The method has been tested with signals from staged fault records, normal condition records and substation event records. The test results show that the proposal is a satisfactory fault detection method.

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2001 Power Engineering Society Summer Meeting. Conference Proceedings (Cat. No.01CH37262)

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