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A Distribution System Harmonic Compensation Approach Using DG-grid Interfacing Converters at Low Switching Frequency Open Access


Other title
Renewable energy
Distributed generation (DG)
Harmonic compensation
Active power filter (APF)
Type of item
Degree grantor
University of Alberta
Author or creator
Wen, Xiaohan
Supervisor and department
Li, Yunwei (Electrical and Computer Engineering)
Examining committee member and department
Li, Yunwei (Electrical and Computer Engineering)
Tavakoli, Mahdi (Electrical and Computer Engineering)
Dinavahi, Venkata (Electrical and Computer Engineering)
Department of Electrical and Computer Engineering
Energy Systems
Date accepted
Graduation date
Master of Science
Degree level
In recent years, embedding ancillary functions of distributed generation (DG) have drawn great attention due to the increasing penetration of renewable energy based DG such as photovoltaic, wind turbines and fuel cells. Among these ancillary functions, harmonics compensation is becoming more interesting and important with the growth of nonlinear loads in today’s power distribution system. When controlled properly, the DG-grid interfacing converters can provide effective harmonic compensation for the distribution power system. However, the conventional harmonic control methods used for active power filters (APFs) may not be suitable for DG units, where the flow of real and reactive power limits the switching frequency to be lower than APFs, especially when the capacity of DG is large. At this low switching frequency, harmonic compensation performance or even the system stability may be affected. In this thesis, a harmonic compensation approach suitable for DG-grid interfacing converters at low switching frequency is proposed.
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
Citation for previous publication
X. Wen, Y. W. Li, and J. He, “A Distribution System Harmonic Compensation Approach Using DG-Grid Interfacing Converters at Low Switching Frequency,” in Conf. Rec. IEEE Annual Applied Power Electronics Conference and Exposition (APEC’14), Forth Worth, USA, pp. 995-1001, 2014.

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