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Analysis of Wavelet Transform in Inter-harmonic Detection of Power
Author(s): 
Pages: 13-14,18
Year: Issue:  6
Journal: Electronics Quality

Abstract: 间谐波是电力系统中一种特殊的谐波,它大量存在于电网中.间谐波对电网危害大,所以对它进行监测和分析具有重要的意义.针对基于傅里叶变换(DFT)的间谐波分析方法易受噪声干扰和对间谐波分辨率低的缺点,提出了一种基于小波变换的间谐波分析方法.仿真结果表明,该方法具有高分辨率特性,可以很好地分析间谐波.在电力系统间谐波分析方面具有经典DFT方法无可比拟的优越性.
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