High Efficiency Dual-Active-Bridge Converter with Triple-Phase-Shift Control for Battery Charger of Electric Vehicles

Shih-hao Kuo (), Huang-Jen Chiu, Che-Wei Chiang, Ta-Wei Huang, Yu-Chen Chang, Serafin Bachman, Szymon Piasecki, Marek Jasinski and Marek Turzyński
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Shih-hao Kuo: Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan
Huang-Jen Chiu: Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan
Che-Wei Chiang: Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan
Ta-Wei Huang: Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan
Yu-Chen Chang: Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan
Serafin Bachman: Institute of Control and Industrial Electronics, Warsaw University of Technology, 00-662 Warsaw, Poland
Szymon Piasecki: Institute of Control and Industrial Electronics, Warsaw University of Technology, 00-662 Warsaw, Poland
Marek Jasinski: Institute of Control and Industrial Electronics, Warsaw University of Technology, 00-662 Warsaw, Poland
Marek Turzyński: Faculty of Electrical and Control Engineering, Gdańsk University of Technology, 80-233 Gdansk, Poland

Energies, 2024, vol. 17, issue 2, 1-21

Abstract: An optimal modulation scheme with triple-phase-shift (TPS) control could increase the efficiency in the entire load range for a dual-active-bridge (DAB) converter under wide output voltage range conditions. Therefore, this study proposes a convergent approach to TPS mode selection, coupled with an optimal modulation scheme, ensuring the circuit’s efficiency over the entire range in the realm of a high-power and high-efficiency battery charger for electric vehicles. The convergent approach to TPS mode selection also reduces the numerous cases for small-signal analysis through general average modeling. After verifying the small-signal models under various voltage transfer ratios and load conditions to verify the stability, a converter prototype with a rated power of 15 kW is built and tested. Thus, a peak efficiency of 97.7% can be achieved.

Keywords: dual-active-bridge converter; triple-phase-shift control; small signal; general average modeling (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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