Analytical Estimation of Power Losses in a Dual Active Bridge Converter Controlled with a Single-Phase Shift Switching Scheme

Marek Turzyński, Serafin Bachman, Marek Jasiński, Szymon Piasecki, Marek Ryłko, Huang-Jen Chiu, Shih-Hao Kuo and Yu-Chen Chang
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Marek Turzyński: Faculty of Electrical and Control Engineering, Gdansk University of Technology, 80-233 Gdansk, Poland
Serafin Bachman: Institute of Control and Industrial Electronics, Warsaw University of Technology, 00-662 Warsaw, Poland
Marek Jasiński: 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 Ryłko: SMA Magnetics Sp. z o.o., 32-085 Modlniczka, Poland
Huang-Jen Chiu: Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei City 106335, Taiwan
Shih-Hao Kuo: Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei City 106335, Taiwan
Yu-Chen Chang: Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei City 106335, Taiwan

Energies, 2022, vol. 15, issue 21, 1-23

Abstract: Micro-grid solutions around the world rely on the operation of DC/DC power conversion systems. The most commonly used solution for these topologies is the use of a dual active bridge (DAB) converter. Increasing the efficiency and reliability of this system contributes to the improvement in the stability of the entire microgrid. This paper discussed an analytical method of energy efficiency and power loss estimation in a single phase dual active bridge (DAB) converter controlled with a single-phase shift (SPS) modulation scheme for microgrid system stability. The presented approach uses conduction and commutation losses of semiconductors and high frequency transformer. All parameters required for the calculation may be obtained from the manufacturers’ datasheets or can be based on a simple measurement. The approach was validated by the comparison of the estimated energy efficiency characteristics with the measured ones for a prototype of a 5 kW single phase DAB converter equipped with silicon carbide metal-oxide semiconductor field-effect transistors (SiC MOSFET).

Keywords: dual active bridge; bidirectional isolated DAB; efficiency; estimation; power loss; analytical calculations; DC/DC converter; SiC MOSFET (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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