基于电流行波的弧光接地故障辨识技术在配电网中的研究与应用  

Application of arc grounding fault identification technology based on electric popular wave in distribution network

作　　者：王晨 WANG Chen(State Grid Wuhan Huangpi District Power Supply Company,Wuhan 430300,China)

机构地区：[1]国网武汉市黄陂区供电公司,湖北武汉430300

出　　处：《电气应用》2023年第9期50-54,共5页Electrotechnical Application

摘　　要：结合近几年国内配电网弧光接地故障频发的现状及弧光接地故障严重威胁着配电网的安全稳定运行等问题,有必要对弧光故障特征进行分析,并开展辨识弧光接地故障的研究应用。针对此问题,对基于电流行波的弧光接地故障辨识技术在真实配电线路挂网运行应用情况展开了相关研究。该技术采用高频行波信号,干扰低,结合弧光放电的周期性特征,能够快速有效地对弧光接地故障进行识别。现场运行情况表明,基于电流行波的弧光接地故障辨识方法能够快速有效地对弧光接地故障进行识别,实现简单、方便有效,为配电架空线路弧光接地辨识提供了一种新方法,具有一定的工程应用价值。Considering the current situation of frequent arc grounding faults in domestic distribution network in recent years and the problem that arc grounding faults seriously threaten the safe and stable operation of distribution network,it is necessary to analyze the characteristics of arc faults and carry out research and application to identify arc grounding faults.Aims at this problem.The application of arc grounding fault identification technology based on electric popular wave in real distribution line is studied.The technology adopts unique high frequency traveling wave signal,low interference,combined with periodic characteristics of arc discharge,and can identify arc grounding fault quickly and effectively.The field operation shows that the arc grounding fault identification method based on electric popular wave can quickly and effectively identify arc grounding faults,which is simple,convenient and effective.It provides a new method for arc grounding identification of overhead distribution lines,and has certain engineering application value.

关 键 词：配电线路 行波 弧光接地 故障辨识 

分 类 号：TM862[电气工程—高电压与绝缘技术]