Quasi-Z-source based bidirectional DC-DC converter and its control strategy

Kafle, YR; Hasan, SU; Town, GE

Quasi-Z-source based bidirectional DC-DC converter and its control strategy

Kafle, YR Hasan, SU Town, GE

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Publisher:: Chinese Institute of Engineers
Publication Type:: Journal Article
Citation:: Chinese Journal of Electrical Engineering, 2019, 5, (1), pp. 1-9
Issue Date:: 2019-05-07

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Field	Value	Language
dc.contributor.author	Kafle, YR
dc.contributor.author	Hasan, SU
dc.contributor.author	Town, GE
dc.date.accessioned	2022-10-09T21:29:44Z
dc.date.available	2022-10-09T21:29:44Z
dc.date.issued	2019-05-07
dc.identifier.citation	Chinese Journal of Electrical Engineering, 2019, 5, (1), pp. 1-9
dc.identifier.issn	2096-1529
dc.identifier.uri	http://hdl.handle.net/10453/162406
dc.description.abstract	This paper presents a quasi-Z-source based isolated bidirectional DC-DC converter (qZIBDC) for renewable energy applications. The converter utilizes a dual active bridge circuit with a quasi-Z-source network on both sides, so the converter works as buck/boost converter from either side. It has a wider input/output voltage operating range, soft-switching capabilities without additional devices, and higher boost capability than a traditional dual active bridge circuit. Apart from that, shoot-through states are incorporated in its operating cycle to boost the input voltage resulting in high reliability of the proposed converter. Due to the symmetrical structure of the circuit, there is no defined high voltage or low voltage side as in traditional isolated bidirectional DC-DC converter. The operating principle and control strategy of the proposed converter are presented. Simulation and experimental results are provided to verify the effectiveness of the proposed converter topology and its control strategy.
dc.language	en
dc.publisher	Chinese Institute of Engineers
dc.relation.ispartof	Chinese Journal of Electrical Engineering
dc.relation.isbasedon	10.23919/cjee.2019.000001
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	Quasi-Z-source based bidirectional DC-DC converter and its control strategy
dc.type	Journal Article
utslib.citation.volume	5
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	2022-10-09T21:29:41Z
pubs.issue	1
pubs.publication-status	Published
pubs.volume	5
utslib.citation.issue	1

Abstract:

This paper presents a quasi-Z-source based isolated bidirectional DC-DC converter (qZIBDC) for renewable energy applications. The converter utilizes a dual active bridge circuit with a quasi-Z-source network on both sides, so the converter works as buck/boost converter from either side. It has a wider input/output voltage operating range, soft-switching capabilities without additional devices, and higher boost capability than a traditional dual active bridge circuit. Apart from that, shoot-through states are incorporated in its operating cycle to boost the input voltage resulting in high reliability of the proposed converter. Due to the symmetrical structure of the circuit, there is no defined high voltage or low voltage side as in traditional isolated bidirectional DC-DC converter. The operating principle and control strategy of the proposed converter are presented. Simulation and experimental results are provided to verify the effectiveness of the proposed converter topology and its control strategy.

Please use this identifier to cite or link to this item:

http://hdl.handle.net/10453/162406