A Novel Common-Ground-Type Nine-Level Dynamic Boost Inverter

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

A Novel Common-Ground-Type Nine-Level Dynamic Boost Inverter

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

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Publisher:: Institute of Electrical and Electronics Engineers
Publication Type:: Journal Article
Citation:: IEEE Journal of Emerging and Selected Topics in Power Electronics, 2022, 10, (4), pp. 4435-4442
Issue Date:: 2022-01-01

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Field	Value	Language
dc.contributor.author	Lee, SS
dc.contributor.author	Siwakoti, YP
dc.contributor.author	Barzegarkhoo, R
dc.contributor.author	Blaabjerg, F
dc.date.accessioned	2023-03-17T03:54:16Z
dc.date.available	2023-03-17T03:54:16Z
dc.date.issued	2022-01-01
dc.identifier.citation	IEEE Journal of Emerging and Selected Topics in Power Electronics, 2022, 10, (4), pp. 4435-4442
dc.identifier.issn	2168-6777
dc.identifier.issn	2168-6785
dc.identifier.uri	http://hdl.handle.net/10453/167441
dc.description.abstract	Recently, inverters with a common ac and dc ground are gaining significant interests due to their zero common-mode voltage that made them particularly attractive for the solar photovoltaic (PV) application. However, the dc source current of the existing topologies is discontinuous, and their voltage gains are limited. This paper proposes a novel common-ground-type boost inverter that achieves continuous dc source current with significantly enhanced dynamic voltage gain. It consists of one boost inductor, four capacitors, nine power MOSFETs and two power diodes. Voltage-boosting and generation of 9-level ac voltage are achieved concurrently within a single-stage operation. The operation of the proposed CGT-9L-BI inverter is analyzed. Simulation and experimental results are presented for validation.
dc.language	English
dc.publisher	Institute of Electrical and Electronics Engineers
dc.relation.ispartof	IEEE Journal of Emerging and Selected Topics in Power Electronics
dc.relation.isbasedon	10.1109/JESTPE.2021.3104939
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0906 Electrical and Electronic Engineering
dc.title	A Novel Common-Ground-Type Nine-Level Dynamic Boost Inverter
dc.type	Journal Article
utslib.citation.volume	10
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	*
pubs.consider-herdc	false
dc.date.updated	2023-03-17T03:54:15Z
pubs.issue	4
pubs.publication-status	Published
pubs.volume	10
utslib.citation.issue	4

Abstract:

Recently, inverters with a common ac and dc ground are gaining significant interests due to their zero common-mode voltage that made them particularly attractive for the solar photovoltaic (PV) application. However, the dc source current of the existing topologies is discontinuous, and their voltage gains are limited. This paper proposes a novel common-ground-type boost inverter that achieves continuous dc source current with significantly enhanced dynamic voltage gain. It consists of one boost inductor, four capacitors, nine power MOSFETs and two power diodes. Voltage-boosting and generation of 9-level ac voltage are achieved concurrently within a single-stage operation. The operation of the proposed CGT-9L-BI inverter is analyzed. Simulation and experimental results are presented for validation.

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http://hdl.handle.net/10453/167441