NDLI: Analysis of a voltage balancing technique with reduced switching transitions in a flying capacitor multilevel converter

Content Provider	IEEE Xplore Digital Library
Author	Ghias, A.M.Y.M. Pou, J. Agelidis, V.G. Ciobotaru, M.
Copyright Year	2013
Description	Author affiliation: Australian Energy Res. Inst., Univ. of New South Wales, Sydney, NSW, Australia (Ghias, A.M.Y.M.; Pou, J.; Agelidis, V.G.; Ciobotaru, M.)
Abstract	This paper reports the analysis of a voltage balancing technique based on optimal switching transitions for a flying capacitor (FC) multilevel converter using phase disposition pulse-width modulation. Since multiple switching transitions between two consecutive voltage levels may be available, such a redundancy is used to regulate the FC voltages at their desired levels. For the selection of the transitions, two techniques are studied and compared in terms of capacitor voltage ripples and switching frequencies. In the first technique, called optimum transition voltage balancing technique, the transitions between two consecutive voltage levels that produce high switching frequencies are avoided. On the other hand, all the transitions between consecutive levels are considered in the second technique. It is therefore called unrestricted voltage balancing technique. Study analyses are conducted by simulation considering all the possible modulation indices and load power factors.
Sponsorship	IEEE
Starting Page	1
Ending Page	6
File Size	522348
Page Count	6
File Format	PDF
ISBN	9781862959132
DOI	10.1109/AUPEC.2013.6725449
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-29
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Australasian Committee for Power Engineering (ACPE
Subject Keyword	Switching transition Flying capacitor converter Switching frequency Capacitors Modulation Switches Cost function Educational institutions Multilevel converter Voltage control Pulse-width modulation
Content Type	Text
Resource Type	Article

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