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| 输电线路雷击故障定位与识别 | |
| 引用本文： | 彭勇,王志新,陈军,刘凯,胡建勋,吴田,刘庭,肖宾.输电线路雷击故障定位与识别[J].高电压技术,2010,36(2):406-410. |
| 作者姓名： | 彭勇 王志新 陈军 刘凯 胡建勋 吴田 刘庭 肖宾 |
| 作者单位： | 1. 河南省电力公司信阳供电公司,信阳,464300 2. 国网电力科学研究院,武汉,430074 3. 国网电力科学研究院,武汉,430074;武汉大学电气工程学院,武汉,430072 |
| 基金项目： | 河南电力公司重点项目([2008]518)~~ |
| 摘 要： | 雷击故障是输电线路的主要故障,准确定位雷击故障并识别雷击故障能有效提高和改进输电线路的雷击可靠性水平。针对国内现有雷电故障指示装置不能有效识别雷击性质的不足,研究了雷击闪络后的电流信号特征及输电线路发生反击和绕击时的电位变化特征,提出了一种新的雷击故障定位与识别方法,同时开发出了输电线路雷电故障指示装置。仿真试验和实际运行结果表明,采用雷击闪络后的电流信号与输电线路发生绕击和反击时的电压信号相结合的方法能有效地进行雷击故障的定位与识别。 |
| 关 键 词： | 输电线路 雷击 故障定位 故障识别 绕击 反击 工频续流 |
Lightning Fault Location and Recognition Technologies in Transmission Line |
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| PENG Yong,WANG Zhi-xin,CHEN Jun,LIU Kai,HU Jian-xun,WU Tian,LIU Ting,XIAO Bin.Lightning Fault Location and Recognition Technologies in Transmission Line[J].High Voltage Engineering,2010,36(2):406-410. | |
| Authors: | PENG Yong WANG Zhi-xin CHEN Jun LIU Kai HU Jian-xun WU Tian LIU Ting XIAO Bin |
| Affiliation: | 1.Xinyang Power Company of Henan Electric Power Company;Xinyang 464300;China;2.State Grid Electric Power Research Institute;Wuhan 430074;3.School of Electrical Engineering;Wuhan University;Wuhan 430072;China |
| Abstract: | Lightning failure is the main fault causes of transmission lines.Accurate locating lightning faults and identifying lightning faults type are analyzed to improve the lightning reliable levels of transmission lines.To research status of lightning fault location and recognition technologies in transmission line at home and abroad,we analyzed the insufficiencies of the existing lightning fault indication device,such as,being not able to recognize the nature of lightning effectively.The current signal character... |
| Keywords: | transmission line lightning strike fault location fault recognition shielding failure backflashover power frequency continuous current |
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