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A New Approach to Examine the Dynamics of Switched-Mode Step-Up DC–DC Converters—A Switched State-Space Model

Author

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  • Adam Tomaszuk

    (Department of Automatic Control and Robotics, Faculty of Electrical Engineering, Bialystok University of Technology, Wiejska 45D Street, 15-351 Bialystok, Poland)

  • Kamil Borawski

    (Department of Automatic Control and Robotics, Faculty of Electrical Engineering, Bialystok University of Technology, Wiejska 45D Street, 15-351 Bialystok, Poland)

Abstract

Power electronic converters are important elements of many modern devices. Therefore, there is a need for a thorough analysis of their behavior and the ability to properly control them. Typically, the converter’s dynamics are investigated using the small-signal averaging method, which does not provide detailed information about the converter. In particular, it does not account for the switching ripple effect. In this paper, a novel switched state–space model of the interleaved step-up DC–DC converter is introduced. That model incorporates high-frequency information, which allows for a more in-depth dynamics analysis. The results, i.e., step and frequency responses, obtained from both theoretical models are compared to the interleaved step-up DC–DC converter model implemented in PSpice ver. 16.6 from Cadence Design Systems.

Suggested Citation

  • Adam Tomaszuk & Kamil Borawski, 2024. "A New Approach to Examine the Dynamics of Switched-Mode Step-Up DC–DC Converters—A Switched State-Space Model," Energies, MDPI, vol. 17(17), pages 1-13, September.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:17:p:4413-:d:1470350
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    References listed on IDEAS

    as
    1. Jian Li & Jingjing Wang & Quankang Wang & Yingzhou Wang, 2019. "Stable Switching Rule Design for Buck Converter via Affine Switched Systems," Mathematical Problems in Engineering, Hindawi, vol. 2019, pages 1-7, October.
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