NDLI: Selective compensation of power quality problems with a three-phase four-leg shunt active filter

Content Provider	IEEE Xplore Digital Library
Author	Wei Lu Changbo Xu Chunwen Li
Copyright Year	2011
Description	Author affiliation: Tsinghua National Laboratory for Information Science and Technology, Department of Automation, Tsinghua University, Beijing 100084, China (Wei Lu; Changbo Xu; Chunwen Li)
Abstract	This paper presents a selective compensation strategy for the three-phase four-leg shunt active filter (AF) to enhance the flexibility of compensation objectives. Due to nonlinear and unbalanced loads in a three-phase four-wire power system, power quality problems including harmonics, neutral current, unbalanced power and reactive current are introduced. It is desirable to make the AF versatile to compensate these problems. The synchronous reference frame (SRF) method is adopted to decompose the load current for current reference generation. An adaptive linear element (Adaline) based low pass filter (LPF) is proposed to improve the time delay caused by the SRF method under steady and dynamic load conditions. Selective compensation of power quality problems is realized by combining the decomposed currents with corresponding priority coefficients. Simulation results are given to verify the feasibility and effectiveness of the proposed strategy under steady and dynamic operating conditions.
Starting Page	166
Ending Page	171
File Size	1356998
Page Count	6
File Format	PDF
ISBN	9781612846989
e-ISBN	9781612847009
DOI	10.1109/WCICA.2011.5970721
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-21
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Harmonic analysis Power harmonic filters Power system dynamics Power quality Capacitors Adaline Active filter power quality selective compensation
Content Type	Text
Resource Type	Article

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