| 用小波变换技术定位输电线路故障 |
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| 引用本文： | 王学峰,周俊宇. 用小波变换技术定位输电线路故障[J]. 高电压技术, 2006, 32(1): 84-87 |
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| 作者姓名： | 王学峰 周俊宇 |
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| 作者单位： | 1. 广东电网公司汕尾供电局,汕尾,516600
2. 广东电网公司佛山供电局,佛山,528000 |
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| 摘 要： | 介绍了应用小波变换和行波理论分析电力系统故障时的暂态过程以定位故障的方法。由小波变换提供暂态过程中高频分量的时间分辩率,线模分量分析各种故障类型,零模分量解决一些确定的、特殊的事件。各种典型电力系统故障下的MATLAB仿真结果表明,该法可以较准确的判断、定位各种故障类型。
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| 关 键 词： | 小波变换 行波 分辩率 输电线路 故障定位 |
| 文章编号： | 1003-6520(2006)01-0084-04 |
| 收稿时间： | 2004-11-10 |
| 修稿时间： | 2004-11-10 |
Research on Fault Location Based on Wavelet Technology in Transmission Lines |
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| WANG Xuefeng,ZHOU Junyu. Research on Fault Location Based on Wavelet Technology in Transmission Lines[J]. High Voltage Engineering, 2006, 32(1): 84-87 |
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| Authors: | WANG Xuefeng ZHOU Junyu |
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| Affiliation: | 1. Shanwei Power of Guangdong Grid Corporation, Shanwei 516600, China; 2. Foshan Power of Guangdong Grid Corporation, Foshan 528000, China |
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| Abstract: | The method that applies the wavelet transform and combines traveling wave to analyze the transient process of power system fault is analyzed to find the position of fault.In the process of fault,the traveling wave provides the resolution of high frequency component of fault,the zero-mode resolves some assured and special faults and the line-mode analyzes all types of faults.At last,the MatLab validates the reliability of this method in all typical power system faults.The experimental result shows that the way can certainly judge the type and position of fault. |
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| Keywords: | wavelet transform traveling wave resolution transmission lines fault location |
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