杨洪耕,惠锦,侯鹏

• 1:四川大学电气信息学院

摘要(Abstract)：

电力系统谐波和间谐波的实时精确检测的重要性日益突出。文中根据目前谐波和间谐波检测的特点,首先分析了离散傅里叶变换(DFT)和快速傅里叶变换(FFT)在检测过程中存在的频谱泄漏和栅栏效应,根据检测难点提出了谐波间谐波检测要解决的关键问题。对目前国内外三类检测方法:时域分析、频域分析、时频交替分析法进行了分类分析,总结DFT/FFT用于谐波、间谐波检测的主要方法,最后指出现有检测方法的主要问题所在,并提出今后几个值得研究的课题和方向。

关键词(KeyWords)： 非同步采样;谐波检测;间谐波检测;快速傅里叶变换;离散傅里叶变换

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 杨洪耕,惠锦,侯鹏

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