NDLI: An improved harmonic detection based on lead compensation for active power filter

Content Provider	IEEE Xplore Digital Library
Author	Jun Xu Min Chen Jianyong Ju Dehong Xu
Copyright Year	2008
Description	Author affiliation: Electr. Eng. Dept, ZheJiang Univ., Hangzhou (Jun Xu; Min Chen; Jianyong Ju; Dehong Xu)
Abstract	Active power filter (APF) with digital control is widely used to solve harmonic problems. But inherent delay time introduced by digital control significantly affects the performance of APF. Here, we introduce an improved harmonic detection method by using phase-shifting. In order to shorten the computation time of harmonics reference, we use the data calculated in the last sample period. So the delay time is shortened, and the performance of APF is improved. The whole algorithm is based on generalized instantaneous reactive power theory. This method is easy to realize and useful for industrial application. A 50 kVA three-phase four-wire shunt active power filter is implemented. The controllers with two types of TI digital signal processors (TMS320LF240 and TMS320F2812) are compared. Experiment result shows good performance employing the new algorithm for APF.
Starting Page	1
Ending Page	6
File Size	732285
Page Count	6
File Format	PDF
ISBN	9781424425501
DOI	10.1109/COMPEL.2008.4634707
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-08-17
Publisher Place	Switzerland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Harmonic analysis Delay Active filters Power harmonic filters Digital signal processing Signal processing algorithms Power system harmonics
Content Type	Text
Resource Type	Article

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