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Multi-Port Multi-Directional Converter with Multi-Mode Operation and Leakage Energy Recycling for Green Energy Processing

Author

Listed:
  • Chih-Lung Shen

    (Department of Electronic Engineering, National Kaohsiung University of Science and Technology, No. 1, University Rd., Yanchao Dist., Kaohsiung 82445, Taiwan)

  • Li-Zhong Chen

    (Department of Electronic Engineering, National Kaohsiung University of Science and Technology, No. 1, University Rd., Yanchao Dist., Kaohsiung 82445, Taiwan)

  • Guan-Yu Chen

    (Department of Electronic Engineering, National Kaohsiung University of Science and Technology, No. 1, University Rd., Yanchao Dist., Kaohsiung 82445, Taiwan)

  • Ching-Ming Yang

    (Department of Electronic Engineering, National Kaohsiung University of Science and Technology, No. 1, University Rd., Yanchao Dist., Kaohsiung 82445, Taiwan)

Abstract

In this article, a novel multi-port multi-directional converter (MPMDC) is proposed. Even though the power stage of the MPMDC belongs to a single-stage structure, it can control power flow direction handily among ports and achieve converter operation in up to five modes. The MPMDC has the feature of galvanic isolation and can obtain a high voltage conversion ratio even under the adoption of only one inductor and one transformer. The leakage energy of the transform can be recycled to improve overall efficiency. Once the MPMDC is applied to deal with renewable energy, battery, and bus energy, the advantage of multi-directional control of power flow can advance an energy storage system to perfectly function power conditioning feature. In addition to the discussion of converter operation, voltage gain, voltage stress, current stress, and inductance design are analyzed theoretically. Comparisons with some of the latest similar converters are also carried out. A 200-W prototype is built and measured. According to the practical results, it is verified that the hardware measurements meet the theoretical derivations and the MPMDC is validated. The maximum efficiency of the converter is up to 94%.

Suggested Citation

  • Chih-Lung Shen & Li-Zhong Chen & Guan-Yu Chen & Ching-Ming Yang, 2022. "Multi-Port Multi-Directional Converter with Multi-Mode Operation and Leakage Energy Recycling for Green Energy Processing," Energies, MDPI, vol. 15(15), pages 1-26, August.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:15:p:5629-:d:879158
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    References listed on IDEAS

    as
    1. Fernando Davalos Hernandez & Rahim Samanbakhsh & Federico Martin Ibanez & Fernando Martin, 2022. "Self-Balancing Supercapacitor Energy Storage System Based on a Modular Multilevel Converter," Energies, MDPI, vol. 15(1), pages 1-19, January.
    2. Andrzej Sikorski & Piotr Falkowski & Marek Korzeniewski, 2021. "Comparison of Two Power Converter Topologies in Wind Turbine System," Energies, MDPI, vol. 14(20), pages 1-16, October.
    3. Bing-Zhang Chen & Hsuan Liao & Linda Chen & Jiann-Fuh Chen, 2022. "Design and Implementation of the Bidirectional DC-DC Converter with Rapid Energy Conversion," Energies, MDPI, vol. 15(3), pages 1-19, January.
    4. Hsuan Liao & Yi-Tsung Chen & Linda Chen & Jiann-Fuh Chen, 2022. "Development of a Bidirectional DC–DC Converter with Rapid Energy Bidirectional Transition Technology," Energies, MDPI, vol. 15(13), pages 1-19, June.
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