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Research on a Modeling and Control Strategy for Interleaved Boost Converters with Coupled Inductors

Author

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  • Zhuangzhi Dai

    (National Key Laboratory of Science and Technology on Electromagnetic Energy, Naval University of Engineering, Wuhan 430033, China)

  • Jilong Liu

    (National Key Laboratory of Science and Technology on Electromagnetic Energy, Naval University of Engineering, Wuhan 430033, China)

  • Kefeng Li

    (National Key Laboratory of Science and Technology on Electromagnetic Energy, Naval University of Engineering, Wuhan 430033, China)

  • Zhiqin Mai

    (National Key Laboratory of Science and Technology on Electromagnetic Energy, Naval University of Engineering, Wuhan 430033, China)

  • Guijing Xue

    (National Key Laboratory of Science and Technology on Electromagnetic Energy, Naval University of Engineering, Wuhan 430033, China)

Abstract

Interleaved DC–DC converters have significant advantages in improving the capability of power converters, and coupling the filtering inductor of the converter could further increase the power density. However, existing modeling and controller designs are complex and require multiple sensors to be involved in the control, which is not conducive to engineering implementation and reducing production costs. In view of this problem, taking a two-phase interleaved boost converter with a coupled inductor as an example, the small-signal models of the converter are derived for the resistive load and constant voltage source load using the state averaging method. The total inductor current is engaged in the control as a feedback signal, avoiding the coupling effect of the inductor on increasing the complexity of the controller. Based on this, a double closed-loop controller is designed, and a prototype of the two-phase interleaved boost converter with coupled inductor is built. Only one current sensor and one voltage sensor are required to participate in the control. The effectiveness of the analysis and design in this paper are verified by experiments.

Suggested Citation

  • Zhuangzhi Dai & Jilong Liu & Kefeng Li & Zhiqin Mai & Guijing Xue, 2023. "Research on a Modeling and Control Strategy for Interleaved Boost Converters with Coupled Inductors," Energies, MDPI, vol. 16(9), pages 1-15, April.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:9:p:3810-:d:1136049
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    References listed on IDEAS

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    1. Michal Frivaldsky & Branislav Hanko & Michal Prazenica & Jan Morgos, 2018. "High Gain Boost Interleaved Converters with Coupled Inductors and with Demagnetizing Circuits," Energies, MDPI, vol. 11(1), pages 1-20, January.
    2. Ingilala Jagadeesh & Vairavasundaram Indragandhi, 2022. "Comparative Study of DC-DC Converters for Solar PV with Microgrid Applications," Energies, MDPI, vol. 15(20), pages 1-21, October.
    3. Mohammad Shahjalal & Tamanna Shams & Moshammed Nishat Tasnim & Md Rishad Ahmed & Mominul Ahsan & Julfikar Haider, 2022. "A Critical Review on Charging Technologies of Electric Vehicles," Energies, MDPI, vol. 15(21), pages 1-26, November.
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    Cited by:

    1. Erdal Şehirli, 2024. "LCL Trap Filter Analysis with a PFC Isolated Ćuk Converter Using SiC MOSFET for DCM," Energies, MDPI, vol. 17(3), pages 1-22, February.

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