A common ground switched-quasi-Z-source bidirectional DC-DC converter with wide-voltage-gain range for EVs with hybrid energy sources

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Zhang, Yun, Liu, Qiangqiang, Li, Jing and Sumner, Mark (2018) A common ground switched-quasi-Z-source bidirectional DC-DC converter with wide-voltage-gain range for EVs with hybrid energy sources. IEEE Transactions on Industrial Electronics, 65 (6). pp. 5188-5200. ISSN 1557-9948

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Abstract

A common ground switched-quasi-Z-source bidirectional DC-DC converter is proposed for electric vehicles (EVs) with hybrid energy sources. The proposed converter is based on the traditional two-level quasi-Z-source bidirectional DC-DC converter, changing the position of the main power switch. It has the advantages of a wide voltage gain range, a lower voltage stress across the power switches, and an absolute common ground. The operating principle, the voltage and current stresses on the power switches, the comparisons with the other converters, the small signal analysis and the controller design are presented in this paper. Finally, a 300W prototype with Uhigh=240V and Ulow=40~120V is developed, and the experimental results validate the performance and the feasibility of the proposed converter.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/944454
Additional Information: © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
Keywords: Bidirectional DC-DC converter, common ground, EVs, hybrid energy sources, switched-quasi-Z-source, wide voltage gain range
Schools/Departments: University of Nottingham Ningbo China > Faculty of Science and Engineering > Department of Electrical and Electronic Engineering
University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
Identification Number: https://doi.org/10.1109/TIE.2017.2756603
Depositing User: Burns, Rebecca
Date Deposited: 25 Oct 2017 12:25
Last Modified: 04 May 2020 19:44
URI: https://eprints.nottingham.ac.uk/id/eprint/47546

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