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Topology and Formation of Current Source Step Down Resonant Switched Inductor Converters

Author

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  • Cuidong Xu

    (Power Electronics Research Center, Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China)

  • Ka Wai Eric Cheng

    (Power Electronics Research Center, Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong 999077, China)

Abstract

This paper presents a current converter that uses an inductor based approach for interim energy storage. A family of the circuits for step down conversion is examined for both non-inverting and inverting operations. The paper has disclosed the method of the generation, so that any order of 1/ n conversion ratio can be made. One of the features is to use two transistors only in the common half-bridge style. The main contribution is its special current conversion capability and soft-switching, because it eliminates switching loss and the spike in the devices using a resonant capacitor with the switched-inductor. The performance has been proved to work well for current bucking. This is a new concept for the power converter and is an advanced development of the conventional switched-inductor converter, switched-capacitor, and resonant converter; it is a duality of the switched-capacitor converter. The paper provides a theoretical approach for the current source topology and its formation. It prepares for vast applications in the current source photovoltaic system and current mode system. Experiment verification and loss analysis have proven the preferable characteristics. Benchmarking comparison with similar converters has been made and advanced features have been described. The proposed converter presents current mode research for increasing application in the coming decade.

Suggested Citation

  • Cuidong Xu & Ka Wai Eric Cheng, 2022. "Topology and Formation of Current Source Step Down Resonant Switched Inductor Converters," Energies, MDPI, vol. 15(5), pages 1-20, February.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:5:p:1697-:d:757794
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    References listed on IDEAS

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    1. Van-Thuan Tran & Minh-Khai Nguyen & Youn-Ok Choi & Geum-Bae Cho, 2018. "Switched-Capacitor-Based High Boost DC-DC Converter," Energies, MDPI, vol. 11(4), pages 1-15, April.
    2. Truong-Duy Duong & Minh-Khai Nguyen & Tan-Tai Tran & Young-Cheol Lim & Joon-Ho Choi, 2021. "Transformer-Less Switched-Capacitor Quasi-Switched Boost DC-DC Converter," Energies, MDPI, vol. 14(20), pages 1-19, October.
    3. Jianfei Chen & Caisheng Wang & Jian Li, 2018. "An Input-Parallel-Output-Series Switched-Capacitor Three-level Boost Converter with a Three-Loop Control Strategy," Energies, MDPI, vol. 11(10), pages 1-26, October.
    4. Aryorad Khodaparast & Erfan Azimi & Ali Azimi & M. Ebrahim Adabi & Jafar Adabi & Edris Pouresmaeil, 2019. "A New Modular Multilevel Inverter Based on Step-Up Switched-Capacitor Modules," Energies, MDPI, vol. 12(3), pages 1-16, February.
    5. Yat Chi Fong & Ka Wai Eric Cheng & S. Raghu Raman & Xiaolin Wang, 2018. "Multi-Port Zero-Current Switching Switched-Capacitor Converters for Battery Management Applications," Energies, MDPI, vol. 11(8), pages 1-17, July.
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    Cited by:

    1. Jie Mei & Ka Wai Eric Cheng & Teke Hua, 2024. "Analysis, Design and Effectuation of a Tapped Inductor Current Converter with Fractional Output for Current Source Systems," Energies, MDPI, vol. 17(9), pages 1-13, May.

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