Coupled-inductor bidirectional DC-DC converter for EV charging applications with wide voltage conversion ratio and low parts count

Ayachit, A; Hasan, SU; Siwakoti, YP; Abdul-Hak, M; Kazimierczuk, MK; Blaabjerg, F

Coupled-inductor bidirectional DC-DC converter for EV charging applications with wide voltage conversion ratio and low parts count

Ayachit, A Hasan, SU

Siwakoti, YP

Abdul-Hak, M Kazimierczuk, MK Blaabjerg, F

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Publication Type:: Conference Proceeding
Citation:: 2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019, 2019, pp. 1174 - 1179
Issue Date:: 2019-09-01

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Field	Value	Language
dc.contributor.author	Ayachit, A	en_US
dc.contributor.author	Hasan, SU https://orcid.org/0000-0001-9462-7952	en_US
dc.contributor.author	Siwakoti, YP https://orcid.org/0000-0002-3869-412X	en_US
dc.contributor.author	Abdul-Hak, M	en_US
dc.contributor.author	Kazimierczuk, MK	en_US
dc.contributor.author	Blaabjerg, F	en_US
dc.date.accessioned	2020-03-20T06:09:16Z
dc.date.available	2020-03-20T06:09:16Z
dc.date.issued	2019-09-01	en_US
dc.identifier.citation	2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019, 2019, pp. 1174 - 1179	en_US
dc.identifier.isbn	9781728103952	en_US
dc.identifier.uri	http://hdl.handle.net/10453/139447
dc.description.abstract	© 2019 IEEE. This paper proposes a new bidirectional dc-dc converter and presents its application for electric-vehicle (EV) charging applications. Using the benefits of a coupled-inductor, the proposed converter exhibits a wide voltage conversion ratio in both buck and boost modes, while using lesser number of components compared to other unidirectional and bidirectional converter counterparts. The steady-state analysis of the converter is presented and the steady-state waveforms are derived. The expressions for the dc voltage and current transfer functions, current and voltage stresses of the semiconductor components, and the design expressions for the converter passive components are derived. Design of a 3.2 kW, 380 V at Low-Voltage (LV) side and 48 V at High-Voltage (HV) side bidirectional converter is shown and verified by simulations. Simulation show efficiencies greater than 95% for both operating modes. A laboratory prototype of a small-scale 300 W bidirectional dc-dc converter with 40 V at LV-side and 300 V at HV-side is considered. The experimental results to support the theoretical predictions are given.	en_US
dc.relation.ispartof	2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019	en_US
dc.relation.isbasedon	10.1109/ECCE.2019.8912858	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	Coupled-inductor bidirectional DC-DC converter for EV charging applications with wide voltage conversion ratio and low parts count	en_US
dc.type	Conference Proceeding
utslib.for	0906 Electrical and Electronic Engineering	en_US
pubs.embargo.period	Not known	en_US
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.publication-status	Published	en_US

Abstract:

© 2019 IEEE. This paper proposes a new bidirectional dc-dc converter and presents its application for electric-vehicle (EV) charging applications. Using the benefits of a coupled-inductor, the proposed converter exhibits a wide voltage conversion ratio in both buck and boost modes, while using lesser number of components compared to other unidirectional and bidirectional converter counterparts. The steady-state analysis of the converter is presented and the steady-state waveforms are derived. The expressions for the dc voltage and current transfer functions, current and voltage stresses of the semiconductor components, and the design expressions for the converter passive components are derived. Design of a 3.2 kW, 380 V at Low-Voltage (LV) side and 48 V at High-Voltage (HV) side bidirectional converter is shown and verified by simulations. Simulation show efficiencies greater than 95% for both operating modes. A laboratory prototype of a small-scale 300 W bidirectional dc-dc converter with 40 V at LV-side and 300 V at HV-side is considered. The experimental results to support the theoretical predictions are given.

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http://hdl.handle.net/10453/139447