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Reliable control of direct PWM AC-AC buck converter with short circuit protection
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Wang, Jianguo and McMahon, Richard A. (2019) Reliable control of direct PWM AC-AC buck converter with short circuit protection. In: 2019 IEEE 28th International Symposium on Industrial Electronics (ISIE), Vancouver, BC, Canada, 12-14 Jun 2019. Published in: 2019 IEEE 28th International Symposium on Industrial Electronics (ISIE) pp. 950-954. ISBN 9781728136660. doi:10.1109/ISIE.2019.8781419 ISSN 2163-5145.
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Official URL: http://dx.doi.org/10.1109/ISIE.2019.8781419
Abstract
In this paper, a reliable control strategy is proposed for the direct pulse-width-modulation (PWM) ac-ac buck converter, to address the commutation problems and also to offer a handling capability against short circuit faults. A number of states are defined for the switching of the ac-ac converter depending on the sensed input voltage, whereby safe and continuous current paths are maintained at all times including voltage zero-crossing points. Moreover, fault handing switching states are able to protect the converter against short circuit currents. Safe transitions between different states are achieved as well. The realization of the control method is introduced and analyzed in detail. Measured results from experiments confirm that the proposed strategy manages to provide a safe and smooth operation for the ac-ac buck converter even under short circuit faults.
Item Type: | Conference Item (Paper) | ||||||
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Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
Library of Congress Subject Headings (LCSH): | AC-to-AC converters, PWM power converters, Short circuits | ||||||
Journal or Publication Title: | 2019 IEEE 28th International Symposium on Industrial Electronics (ISIE) | ||||||
Publisher: | IEEE | ||||||
ISBN: | 9781728136660 | ||||||
ISSN: | 2163-5145 | ||||||
Official Date: | 1 August 2019 | ||||||
Dates: |
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Page Range: | pp. 950-954 | ||||||
DOI: | 10.1109/ISIE.2019.8781419 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Reuse Statement (publisher, data, author rights): | © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. | ||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||
Copyright Holders: | IEEE | ||||||
Date of first compliant deposit: | 9 April 2020 | ||||||
Date of first compliant Open Access: | 9 April 2020 | ||||||
RIOXX Funder/Project Grant: |
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Conference Paper Type: | Paper | ||||||
Title of Event: | 2019 IEEE 28th International Symposium on Industrial Electronics (ISIE) | ||||||
Type of Event: | Conference | ||||||
Location of Event: | Vancouver, BC, Canada | ||||||
Date(s) of Event: | 12-14 Jun 2019 |
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