HARMONIC DETECTION FOR SINGLE-PHASE CIRCUITS BASED ON RESAMPLING AND FEEDBACK THEORY

被引：1
|
作者：
Zhang, Jun-Min [1 ]
机构：
[1] S Cent Univ Nationalities, Wuhan 430074, Peoples R China
来源：
PROCEEDINGS OF 2008 INTERNATIONAL CONFERENCE ON WAVELET ANALYSIS AND PATTERN RECOGNITION, VOLS 1 AND 2 | 2008年
关键词：
Active Power Filter; Instantaneous Reactive Theory; Harmonic Detection; Feedback Theory; Re-sampling;
D O I：
10.1109/ICWAPR.2008.4635818
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
A method for digital harmonic detection based on re-sampling and feedback theory is proposed, and a digital harmonic detecting system is designed. According to feedback theory, a filter can be designed to take the direct current Ip (Iq), and ip (iq) before a low-pass filter can be re-sampled based on the re-sampling theory. Through this digital system the harmonic currents in a power system can be detected timely and accurately. The system simulation shows that this filter not only takes advantages of digital filters in accuracy, but also overcomes the bad performance of digital filters in dynamics, and can fellow the measured signal in real time.
引用
收藏
页码：432 / 435
页数：4
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