Switched-Capacitor Multilevel Inverters: A Comprehensive Review

Barzegarkhoo, R; Forouzesh, M; Lee, SS; Blaabjerg, F; Siwakoti, YP

Switched-Capacitor Multilevel Inverters: A Comprehensive Review

Barzegarkhoo, R Forouzesh, M Lee, SS Blaabjerg, F Siwakoti, YP

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Publisher:: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Publication Type:: Journal Article
Citation:: IEEE Transactions on Power Electronics, 2022, 37, (9), pp. 11209-11243
Issue Date:: 2022-09-01

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Field	Value	Language
dc.contributor.author	Barzegarkhoo, R
dc.contributor.author	Forouzesh, M
dc.contributor.author	Lee, SS
dc.contributor.author	Blaabjerg, F
dc.contributor.author	Siwakoti, YP
dc.date.accessioned	2023-04-11T00:20:58Z
dc.date.available	2023-04-11T00:20:58Z
dc.date.issued	2022-09-01
dc.identifier.citation	IEEE Transactions on Power Electronics, 2022, 37, (9), pp. 11209-11243
dc.identifier.issn	0885-8993
dc.identifier.issn	1941-0107
dc.identifier.uri	http://hdl.handle.net/10453/169468
dc.description.abstract	Multilevel inverters (MLIs) with switched-capacitor (SC) units have been a widely rehearsed research topic in power electronics since the last decade. Inductorless/transformerless operation with voltage-boosting feature and inherent capacitor self-voltage balancing performance with a reduced electromagnetic interference make the SC-MLI an attractive converter over the other available counterparts for various applications. There have been many developed SC-MLI structures recently put forward, where different basic switching techniques are used to generate multiple (discrete) output voltage levels. In general, the priority of the topological development is motivated by the number of output voltage levels, overall voltage gain, and full dc-link voltage utilization, while reducing the component counts and stress on devices for better efficiency and power density. To facilitate the direction of future research in SC-MLIs, this article presents a comprehensive review, critical analysis, and categorization of the existing topologies. Common fundamental units are generalized and summarized with their merits and demerits. Ultimately, major challenges and research directions are outlined leading to the future technology roadmap for more practical applications.
dc.language	English
dc.publisher	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
dc.relation.ispartof	IEEE Transactions on Power Electronics
dc.relation.isbasedon	10.1109/TPEL.2022.3164508
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0906 Electrical and Electronic Engineering
dc.subject.classification	Electrical & Electronic Engineering
dc.title	Switched-Capacitor Multilevel Inverters: A Comprehensive Review
dc.type	Journal Article
utslib.citation.volume	37
utslib.for	0906 Electrical and Electronic Engineering
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
dc.date.updated	2023-04-11T00:20:56Z
pubs.issue	9
pubs.publication-status	Published
pubs.volume	37
utslib.citation.issue	9

Abstract:

Multilevel inverters (MLIs) with switched-capacitor (SC) units have been a widely rehearsed research topic in power electronics since the last decade. Inductorless/transformerless operation with voltage-boosting feature and inherent capacitor self-voltage balancing performance with a reduced electromagnetic interference make the SC-MLI an attractive converter over the other available counterparts for various applications. There have been many developed SC-MLI structures recently put forward, where different basic switching techniques are used to generate multiple (discrete) output voltage levels. In general, the priority of the topological development is motivated by the number of output voltage levels, overall voltage gain, and full dc-link voltage utilization, while reducing the component counts and stress on devices for better efficiency and power density. To facilitate the direction of future research in SC-MLIs, this article presents a comprehensive review, critical analysis, and categorization of the existing topologies. Common fundamental units are generalized and summarized with their merits and demerits. Ultimately, major challenges and research directions are outlined leading to the future technology roadmap for more practical applications.

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http://hdl.handle.net/10453/169468