Harmonic detection for three-phase circuits based on resampling and feedback theory

被引：7
|
作者：
Zhang, Jun-Min [1 ]
Liu, Kai-Pei [2 ]
机构：
[1] S Cent Univ Nationalities, Wuhan 430074, Peoples R China
[2] Wuhan Univ, Wuhan 430072, Peoples R China
来源：
2007 INTERNATIONAL CONFERENCE ON WAVELET ANALYSIS AND PATTERN RECOGNITION, VOLS 1-4, PROCEEDINGS | 2007年
关键词：
active power filter; instantaneous reactive theory; harmonic detection; feedback theory; resampling;
D O I：
10.1109/IWCLD.2007.4379031
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
A method for digital harmonic detecting based on resampling and feedback theory is proposed, and a digital harmonic detecting system is designed. According of feedback theory, the filter can be designed to lake the direct current Ip(Iq), and the ip(iq) be fibre the low-pass filter can be resampled based on the resampling theory. Through this digital system the harmonic currents in power system can be detected timely and accurately. The Simulation of the system shows that this filler not only takes advantages of digital fillers in accuracy, but also overcomes the bad performance of digital fillers in dynamics, and can fellow the measured signal in real time.
引用
收藏
页码：29 / +
页数：2
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