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Analysis, Design and Effectuation of a Tapped Inductor Current Converter with Fractional Output for Current Source Systems

Author

Listed:
  • Jie Mei

    (Power Electronics Research Center, The Hong Kong Polytechnic University, Hong Kong 999077, China)

  • Ka Wai Eric Cheng

    (Power Electronics Research Center, The Hong Kong Polytechnic University, Hong Kong 999077, China)

  • Teke Hua

    (Power Electronics Research Center, The Hong Kong Polytechnic University, Hong Kong 999077, China)

Abstract

This article proposes a new connection method of tapped inductors that works in the current source, which enables the current-mode power converter circuit to have a new topological relationship. Usually, in a switched-inductor circuit, a stable output multiple is obtained through the connection of the inductor and the switching devices. This is because the tapped point on the inductor varies, and the magnetomotive force (mmf) of inductance is adjusted. Thereby, the output current is controlled by the states of switching devices within a certain range. This optimized circuit structure can adjust the output current according to load changes in practical applications without changing the input power supply. The proposed method has been verified for its feasibility through detailed analysis and hardware work. The principal analysis based on the flux linkage and the PSIM simulation confirms that the theoretical circuit can be implemented. Finally, a hardware circuit is built to obtain real and feasible conclusions, and it is verified that the circuit can achieve a stable output and variable current within a specific range. The proposed work presents an alternative power conversion methodology using the active switching of mmf, and it is a stable and simple power conversion technique.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:9:p:2204-:d:1388293
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    References listed on IDEAS

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    1. Pradeep Vishnuram & Suresh P. & Narayanamoorthi R. & Vijayakumar K. & Benedetto Nastasi, 2023. "Wireless Chargers for Electric Vehicle: A Systematic Review on Converter Topologies, Environmental Assessment, and Review Policy," Energies, MDPI, vol. 16(4), pages 1-18, February.
    2. Xiaolin Wang & Ka Wai Eric Cheng & Yat Chi Fong, 2019. "Zero Current Switching Switched-Capacitors Balancing Circuit for Energy Storage Cell Equalization and Its Associated Hybrid Circuit with Classical Buck-Boost," Energies, MDPI, vol. 12(14), pages 1-15, July.
    3. 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.
    4. Yueh-Tsung Shieh & Chih-Chiang Wu & Shyr-Long Jeng & Ching-Yao Liu & Shiang-Yu Hsieh & Chi-Chun Haung & Wen-Yuh Shieh & Wei-Hua Chieng & Edward-Yi Chang, 2023. "A Turn-Ratio-Changing Half-Bridge CLLC DC–DC Bidirectional Battery Charger Using a GaN HEMT," Energies, MDPI, vol. 16(16), pages 1-28, August.
    Full references (including those not matched with items on IDEAS)

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