LAPSE:2019.0689
Published Article
LAPSE:2019.0689
Hybrid Modulation of Bidirectional Three-Phase Dual-Active-Bridge DC Converters for Electric Vehicles
July 25, 2019
Bidirectional power converters for electric vehicles (EVs) have received much attention recently, due to either grid-supporting requirements or emergent power supplies. This paper proposes a hybrid modulation of the three-phase dual-active bridge (3ΦDAB) converter for EV charging systems. The designed hybrid modulation allows the converter to switch its modulation between phase-shifted and trapezoidal modes to increase the conversion efficiency, even under light-load conditions. The mode transition is realized in a real-time manner according to the charging or discharging current. The operation principle of the converter is analyzed in different modes and thus design considerations of the modulation are derived. A lab-scaled prototype circuit with a 48V/20Ah LiFePO₄ battery is established to validate the feasibility and effectiveness.
Record ID
Keywords
DAB, EV charger, LiFePO4 battery
Subject
Suggested Citation
Wang YC, Ni FM, Lee TL. Hybrid Modulation of Bidirectional Three-Phase Dual-Active-Bridge DC Converters for Electric Vehicles. (2019). LAPSE:2019.0689
Author Affiliations
Wang YC: Department of Electric Engineering, National Sun Yat-sen University, Kaohsiung 80424, Taiwan [ORCID]
Ni FM: Department of Electric Engineering, National Sun Yat-sen University, Kaohsiung 80424, Taiwan [ORCID]
Lee TL: Department of Electric Engineering, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
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Ni FM: Department of Electric Engineering, National Sun Yat-sen University, Kaohsiung 80424, Taiwan [ORCID]
Lee TL: Department of Electric Engineering, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
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Journal Name
Energies
Volume
9
Issue
7
Article Number
E492
Year
2016
Publication Date
2016-06-27
Published Version
ISSN
1996-1073
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Original Submission
Other Meta
PII: en9070492, Publication Type: Journal Article
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Published Article
LAPSE:2019.0689
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External Link
doi:10.3390/en9070492
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[v1] (Original Submission)
Jul 25, 2019
Verified by curator on
Jul 25, 2019
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v1
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https://psecommunity.org/LAPSE:2019.0689
Original Submitter
Calvin Tsay
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