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A Dual Rising Edge Shift Algorithm for Eliminating the Transient DC-Bias Current in Transformer for a Dual Active Bridge Converter

Author

Listed:
  • Michal Gierczynski

    (Institute of Control and Industrial Electronics, Warsaw University of Technology, 75 Koszykowa Street, 00-662 Warsaw, Poland)

  • Lech M. Grzesiak

    (Institute of Control and Industrial Electronics, Warsaw University of Technology, 75 Koszykowa Street, 00-662 Warsaw, Poland)

  • Arkadiusz Kaszewski

    (Institute of Control and Industrial Electronics, Warsaw University of Technology, 75 Koszykowa Street, 00-662 Warsaw, Poland)

Abstract

This paper deals with a well-known problem of the transient DC-bias current occurring during a phase shift transition in dual active bridge (DAB) DC/DC converters. This phenomenon, if not compensated, can cause damage to the converter or deteriorate its performance. One aim of this paper is to present a solution which allows for the elimination of the undesired transient DC-bias component in current waveforms. This solution is the dual rising edge shift (DRES) compensation algorithm. It provides a very simple implementation and fast settling time within the first half of a switching period. Moreover, the solution is independent on any measurements or system parameter values. It is based on the double-sided single phase shift (DSSPS) modulation, which is described in detail along with a converter model in steady-state. Then, the mechanisms leading to the transient DC-bias are explained, and the compensation algorithm is derived. The performance of the algorithm has been tested using a laboratory prototype. A comprehensive set of tests, involving rapid step changes in power flow and frequency sweep, are provided. Finally, the features of the proposed algorithm are briefly discussed.

Suggested Citation

  • Michal Gierczynski & Lech M. Grzesiak & Arkadiusz Kaszewski, 2021. "A Dual Rising Edge Shift Algorithm for Eliminating the Transient DC-Bias Current in Transformer for a Dual Active Bridge Converter," Energies, MDPI, vol. 14(14), pages 1-22, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:14:p:4264-:d:594465
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    Citations

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    Cited by:

    1. Shusheng Wei & Wusong Wen, 2022. "High-Frequency Oscillation of the Active-Bridge-Transformer-Based DC/DC Converter," Energies, MDPI, vol. 15(9), pages 1-14, May.
    2. Michał Rolak & Maciej Twardy & Cezary Soból, 2022. "Generalized Average Modeling of a Dual Active Bridge DC-DC Converter with Triple-Phase-Shift Modulation," Energies, MDPI, vol. 15(16), pages 1-15, August.
    3. Michal Gierczynski & Lech M. Grzesiak & Arkadiusz Kaszewski, 2021. "Cascaded Voltage and Current Control for a Dual Active Bridge Converter with Current Filters," Energies, MDPI, vol. 14(19), pages 1-30, September.
    4. Yuto Takayama & Hiroaki Yamada, 2021. "Variable DC-Link Voltage Control of Dual Active Bridge Converter in a Standalone Wind Power Generation System for High-Efficiency Battery-Discharging Operation," Energies, MDPI, vol. 14(20), pages 1-17, October.

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