Volume 5 Number 3 (Jun. 2013)
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IJCEE 2013 Vol.5(3): 279-283 ISSN: 1793-8163
DOI: 10.7763/IJCEE.2013.V5.712

Research on Control Strategy for Three-Phase Four-Wire LCL-Based Active Power Filter

Longfei Li and Xinjian Jiang
Abstract—To improve the high frequency compensation performance, LCL-filter is used instead of L-filter in three-phase four-wire active power filter (APF). In this paper, the characteristic of LCL-filter is discussed. The three-loop control strategy with active damping using capacitor current feedback is introduced. Then the system stability is analyzed by bode and zero-pole diagram, especially considering the time delay of the control system. The results of simulation and experiment prove the effectiveness and stability of the proposed control strategy.

Index Terms—Active Power Filter (APF), active damping, delay, lcl-filter, stability.

Longfei Li and Xinjian Jiang are with the Department of Electrical Engineering, Tsinghua University, Beijing 100084, China (e-mail: lilf11@ mails.tsinghua.edu.cn, jiangxj@ mail.tsinghua.edu.cn).

Cite:Longfei Li and Xinjian Jiang, "Research on Control Strategy for Three-Phase Four-Wire LCL-Based Active Power Filter," International Journal of Computer and Electrical Engineering vol. 5, no. 3, pp. 279-283, 2013.

General Information

ISSN: 1793-8163
Frequency: Semiyearly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, Engineering & Technology Digital Library, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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