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Permanent link (DOI): https://doi.org/10.7939/R3PM4S

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Space Vector Modulation Methods for Common-Mode Voltage Reduction in Current-Source Drives Open Access

Descriptions

Other title
Subject/Keyword
current source converter
common-mode voltage
power electronics
motor drive
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Shang, Jian
Supervisor and department
Li, Yunwei (Department of Electrical and Computer Engineering)
Examining committee member and department
Salmon, John (Department of Electrical and Computer Engineering)
Khajehoddin, Sayed Ali (Department of Electrical and Computer Engineering)
Li, Yunwei (Department of Electrical and Computer Engineering)
Department
Department of Electrical and Computer Engineering
Specialization
Energy Systems
Date accepted
2013-11-19T09:56:28Z
Graduation date
2014-06
Degree
Master of Science
Degree level
Master's
Abstract
Various reduced common-mode voltage space vector modulation (RCMV SVM) methods have been proposed to reduce destructive common-mode voltage (CMV) in both voltage source converter (VSC) and current source converter (CSC) based motor drive systems. Most of them reduce the CMV by avoiding using zero-state vectors. Unlike CMV in VSCs which is related to constant dc-link voltage, CMV in CSCs is related to AC side voltages which vary sinusoidally. Thus, zero-state vectors in CSCs can be selected, instead of being avoided, to reduce CMV. In this thesis, three zero-state selection methods for CMV reduction in CSC based motor drives are proposed. Method 1 is CMV peak value reduction using independent approach, Method 2 is CMV peak value reduction using synchronized approach, and Method 3 is CMV average value reduction. Unlike the nonzero-state modulation methods, the proposed methods will not shrink the modulation index range or affect the harmonic performance.
Language
English
DOI
doi:10.7939/R3PM4S
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.
Citation for previous publication
J. Shang, and Y. W. Li, “A Space Vector Modulation Method for Common-Mode Voltage Reduction in Current Source Converters,” IEEE Transactions on Power Electronics, vol. 29, pp. 374-385, Jan. 2014.J. Shang and Y. W. Li, “A Reduced Common-Mode Voltage Space Vector Modulation Method for Current Source Converters,” in Conf. Rec. IEEE Annual Applied Power Electronics Conference and Exposition (APEC’13), Long Beach, California, USA, pp. 394-401, 2013.J. Shang, Y. W. Li, N. Zargari, and Z. Cheng, “PWM Strategies for Common-Mode Voltage Reduction in Current Source Drives,” IEEE Transactions on Power Electronics,in press.

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