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电网技术  2009 

基于最小二乘法和复连续小波变换的电力系统间谐波测量方法

, PP. 86-90

Keywords: 电力系统,间谐波,最小二乘法,复连续小波变换

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Abstract:

将最小二乘法和复连续小波变换相结合,提出了高精度稳态间谐波测量方法。该方法应用最小二乘法对整个测量频带进行函数拟合,得到了间谐波分量的个数,利用复连续小波变换的带通滤波特性精确测量了各个间谐波分量的频率和幅值。Matlab的仿真结果表明,该方法能够准确测量间谐波分量的频率和幅值,计算量较小。

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