| 谐波检测中频谱泄漏问题的研究 |
| |
| 引用本文： | 林青松,陈清华.谐波检测中频谱泄漏问题的研究[J].工矿自动化,2010,36(2). |
| |
| 作者姓名： | 林青松 陈清华 |
| |
| 作者单位： | 河南科技大学电子信息工程学院,河南,洛阳,471003 |
| |
| 摘 要： | 研究了基于FFT的电力系统谐波检测中的频谱泄漏现象,分析了产生频谱泄漏的原因,提出了利用窗函数来解决频谱泄漏现象的方法。仿真结果表明,汉宁窗可以很好地减小频谱泄漏,满足谐波检测的精度要求。
|
| 关 键 词： | 电力系统 谐波检测 频谱泄漏 窗函数 FFT |
Research of Problem of Spectrum Leakage in Harmonics Detection |
| |
| LIN Qing-song,CHEN Qing-hua.Research of Problem of Spectrum Leakage in Harmonics Detection[J].Industry and Automation,2010,36(2). |
| |
| Authors: | LIN Qing-song CHEN Qing-hua |
| |
| Affiliation: | School of Electronic and Information Engineering of Henan University of Science and Technology/a>;Luoyang 471003/a>;China |
| |
| Abstract: | The paper investigated the problem of spectrum leakage in harmonics detection of power system based on FFT,analyzed the causation of spectrum leakage and put forward a solution method of spectrum leakage with window functions.The simulation result showed that Hann windows can reduce spectrum leakage commendably and satisfy accuracy of harmonic detection. |
| |
| Keywords: | power system harmonics detection spectrum leakage window functions FFT |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
