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Advanced modulations for a current-fed isolated DC-DC converter with wide voltage operating ranges

Chen, Linglin; Tarisciotti, Luca; Costabeber, Alessandro; Gao, Fei; Wheeler, Pat; Zanchetta, Pericle

Authors

Linglin Chen

Luca Tarisciotti

Alessandro Costabeber

Fei Gao

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PATRICK WHEELER pat.wheeler@nottingham.ac.uk
Professor of Power Electronic Systems



Abstract

An Active-Bridge-Active-Clamp (ABAC) topology with its associated switching patterns and modulation techniques is introduced in this paper. The topology has been designed to comply with stringent power quality requirements in a More Electric Aircraft (MEA) application. The dual transformer secondary structure of the ABAC allows the definition of a particular phase shift based switching pattern. The proposed switching pattern ensures not only the output current switching harmonics elimination but also even power sharing between the secondary half bridges. Consequently, passives on the low voltage side of the converter are minimized and transformer DC bias is eliminated. All these features can be achieved independently from the operating point of the converter. In this paper, the basic operation of the ABAC converter is firstly introduced. Theoretical analysis of switching harmonics elimination and power sharing is then carried out in the development of the proposed switching patterns. The theoretical claims are validated by both simulation and experimental results on a 10kW 270V/28V ABAC converter.

Citation

Chen, L., Tarisciotti, L., Costabeber, A., Gao, F., Wheeler, P., & Zanchetta, P. (2019). Advanced modulations for a current-fed isolated DC-DC converter with wide voltage operating ranges. IEEE Journal of Emerging and Selected Topics in Power Electronics, 7(4), 2540-2552. https://doi.org/10.1109/jestpe.2018.2870827

Journal Article Type Article
Acceptance Date Aug 29, 2018
Online Publication Date Sep 17, 2018
Publication Date Dec 1, 2019
Deposit Date Nov 20, 2018
Publicly Available Date Mar 28, 2024
Journal IEEE Journal of Emerging and Selected Topics in Power Electronics
Print ISSN 2168-6777
Electronic ISSN 2168-6785
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
Volume 7
Issue 4
Pages 2540-2552
DOI https://doi.org/10.1109/jestpe.2018.2870827
Public URL https://nottingham-repository.worktribe.com/output/1257176
Publisher URL https://ieeexplore.ieee.org/document/8466874

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