Harmonic analysis based on time domain mutual-multiplication window

被引：2
|
作者：
Tianyuan TAN [1 ]
Wenjuan CHEN [1 ]
Kaipei LIU [1 ]
Niu XIONG [1 ]
Junmin ZHANG [2 ]
Junhua WANG [1 ]
机构：
[1] School of Electrical Engineering,Wuhan University
[2] School of Computer Science,South-Central University for Nationalities
来源：
Journal of Modern Power Systems and Clean Energy | 2016年 / 4卷 / 01期
关键词：
Mutual-multiplication window; Fast Fourier Transform; Harmonic Analysis; Main-lobe; Side-lobe;
D O I：
暂无
中图分类号：
TM935 [频率、波形参数的测量及仪表];
学科分类号：
摘要：
The signal spectral leakage and fence effect are prone to take place during the power harmonic analysis by fast fourier transform(FFT) under asynchronous sampling.The inhibiting ability of classical window functions is restricted by side-lobe behaviors. A new type window function called time domain mutual-multiplication window, is obtained by multiplication operation of several window functions. A novel approach of harmonic analysis is developed through analyzing performances of main-lobe and side-lobe of the new window. Simulation results show that the time domain mutual-multiplication window can significantly suppress frequency spectral leakage and improve the accuracy of harmonic parameter estimation.
引用
收藏
页码：47 / 53
页数：7
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