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Study on the noise reduction of power line fault current traveling wave based on morphological wavelet
Author(s): 
Pages: 36-39
Year: Issue:  19
Journal: POWER SYSTEM PROTECTION AND CONTROL

Keyword:  输电线路故障电流行波教学形态学小波分析消噪;
Abstract: 高压输电线路故障产生的电流行波信号含有大量的噪声信号,在行波保护和行波故障测距中需要对其进行预处理,去除噪声并提取真实信号.利用小波变换能敏感地检测到奇异点和形态学滤波器能有效地滤除脉冲噪声且能保留原信号的全局和局部特征的优点,提出了一种基于形态小波的输电线路行波信号消噪新算法.MATLAB仿真结果表明形态小波在滤除脉冲干扰和白噪声方面具有良好的消噪能力.
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