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Cascaded Voltage and Current Control for a Dual Active Bridge Converter with Current Filters

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

The paper describes the cascaded voltage and current control for a bidirectional DC/DC converter in Dual Active Bridge (DAB) topology. The typical DAB converter circuit was extended by additional current filters, which allow it to operate in application fields with high requirements on current ripples. The core concept of the presented solution is usage of the modified Single Phase Shift (SPS) modulation, which allows to compensate for the DC-bias current occurring in dynamic states and provides a settling time of half switching cycle during transients. Its features were utilized to build a simplified dynamic model of the converter. The linear Proportional-Integral (PI) controllers are used in both voltage and current control loops. Based on the developed dynamic models, the tuning rules for both controllers were derived. In both cases, a number of the tuned parameters were reduced from two to one (which can present a great practical value for application engineers). The proposed solutions are validated based on a laboratory prototype. An important part of the experiments was devoted to non-linear effects occurring near the current limitation boundary of the system. The paper ends with a brief discussion regarding the future research directions.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:19:p:6214-:d:646050
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    References listed on IDEAS

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    1. 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.
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    Cited by:

    1. Shuhuai Zhang & Xuezhi Wu & Ziqian Zhang & Xuejiang Zhang, 2022. "A Bidirectional DHC-LT Resonant DC-DC Converter with Research on Improved Fundamental Harmonic Analysis Considering Phase Angle of Load Impedance," Energies, MDPI, vol. 15(14), pages 1-23, July.
    2. Seyedamin Valedsaravi & Abdelali El Aroudi & Luis Martínez-Salamero, 2022. "Review of Solid-State Transformer Applications on Electric Vehicle DC Ultra-Fast Charging Station," Energies, MDPI, vol. 15(15), pages 1-35, August.

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