| 一种数字化实时谐波电流的检测方法 |
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| 引用本文： | 荣大伟,陶骏,刘正之. 一种数字化实时谐波电流的检测方法[J]. 电测与仪表, 2004, 41(1): 35-38 |
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| 作者姓名： | 荣大伟 陶骏 刘正之 |
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| 作者单位： | 中国科学院等离子物理研究所,合肥,230031;中国科学院等离子物理研究所,合肥,230031;中国科学院等离子物理研究所,合肥,230031 |
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| 摘 要： | 提出了一种基于三相瞬时功率理论的谐波实时检测方法，采用傅立叶变换得到同步信号的锁相技术和平均值滤波技术，大大提高检测响应速度和检测精度。文中给出了检测原理、仿真结果和性能分析。
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| 关 键 词： | 瞬时功率理论 平均值滤波器 傅立叶展开 数字锁相 |
| 文章编号： | 1001-1390(2004)01-0035-04 |
| 修稿时间： | 2003-10-04 |
A measurement for digital real-time detecting harmonic current |
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| Rong Dawei,Tao Jun,Liu Zhengzhi. A measurement for digital real-time detecting harmonic current[J]. Electrical Measurement & Instrumentation, 2004, 41(1): 35-38 |
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| Authors: | Rong Dawei Tao Jun Liu Zhengzhi |
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| Abstract: | In this papar,a new approach of harmonic current detecting based on the in-stantaneous power theory is proposed.Applying with the digital phase-locked based on the Fourier transformation and mean-value Filter,this method has a faster response and a higher precision.There are theoretical analysis and the simulation in the paper. |
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| Keywords: | instantaneous power theory integral filter Fourier expandedness digital phase lock |
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