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Permanent link (DOI): https://doi.org/10.7939/R3T883

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Nonlinear control of a voltage source converter Open Access

Descriptions

Other title
Subject/Keyword
voltage source converter
experimental verification
active filtering
nonlinear control
power factor control
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Xu, Ning
Supervisor and department
Lynch, Alan F. (Electrical and Computer Engineering)
Examining committee member and department
Li, Yunwei (Electrical and Computer Engineering)
Behzadipour, Saeed (Mechanical Engineering)
Department
Department of Electrical and Computer Engineering
Specialization

Date accepted
2010-10-01T16:51:31Z
Graduation date
2010-11
Degree
Master of Science
Degree level
Master's
Abstract
Due to its unique features such as controllable power factor, controllable bi-directional power flow, and rapid dynamic response, Voltage Source Converters (VSCs) have been widely used in various industrial applications such as distributed generation systems, power distribution systems, uninterruptible power supplies (UPS), AC motor drives, etc. To optimize the performance of the VSC, many control algorithms have been proposed. This thesis investigates development of the nonlinear control for the VSC in two applications: power factor control and active power filtering. A detailed description of the dynamic model of the VSC system is presented in different reference frames. A linearization-based control scheme is introduced for power factor regulation and verified by switched simulation and real-time experiment on a test stand which has been constructed at the Applied Nonlinear Control Lab (ANCL), University of Alberta. In addition, an internal model-based control scheme is introduced to perform active power filtering. This algorithm is verified by simulation.
Language
English
DOI
doi:10.7939/R3T883
Rights
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. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. 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.
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