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Fault Detection of 220kV Transmission Line
Author(s): 
Pages: 1-2,8
Year: Issue:  9
Journal: Electric Engineering

Keyword:  输电线路故障检测双端行波小波变换;
Abstract: 介绍220kV输电线路出现接地故障时,利用双端行波法测故障点距离的原理,着重介绍小波变换的基本理论及其模极大值理论在行波测距中的应用,并提出利用故障暂态分量奇异性作为行波信号检测的基本判据,仿真结果表明本方法可行.
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