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Implementation of a Resonant Converter with Topology Morphing to Achieve Bidirectional Power Flow

Author

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  • Bor-Ren Lin

    (Department of Electrical Engineering, National Yunlin University of Science and Technology, Yunlin 640, Taiwan)

Abstract

A DC converter with the benefits of reverse power capability, less switching loss and wide voltage operation is presented and implemented for wide input voltage applications such as fuel cell energy, photovoltaic (PV) system and DC wind power. Two full bridge resonant circuits are used in the presented converter to achieve bidirectional power flow capability and reduce switching losses on active devices. To overcome the wide input DC voltage variation problem for fuel cell energy and PV solar panel, the topology morphing between the half bridge circuit and full bridge circuit is adopted on the primary side to obtain low (or high) voltage gain under a high (or low) input voltage condition. Therefore, the stable DC voltage is controlled at the load side by using the variable switching frequency modulation. The studied hybrid CLLC converter is tested by a 1 kW prototype and the performance is verified and confirmed by experiments.

Suggested Citation

  • Bor-Ren Lin, 2021. "Implementation of a Resonant Converter with Topology Morphing to Achieve Bidirectional Power Flow," Energies, MDPI, vol. 14(16), pages 1-21, August.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:16:p:5186-:d:619332
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    References listed on IDEAS

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    1. Jorge Lara & Lesedi Masisi & Concepcion Hernandez & Marco A. Arjona & Ambrish Chandra, 2021. "Novel Five-Level ANPC Bidirectional Converter for Power Quality Enhancement during G2V/V2G Operation of Cascaded EV Charger," Energies, MDPI, vol. 14(9), pages 1-19, May.
    2. Sara J. Ríos & Daniel J. Pagano & Kevin E. Lucas, 2021. "Bidirectional Power Sharing for DC Microgrid Enabled by Dual Active Bridge DC-DC Converter," Energies, MDPI, vol. 14(2), pages 1-24, January.
    3. Yuanjun Liu & Guiping Du & Xueyi Wang & Yanxiong Lei, 2019. "Analysis and Design of High-Efficiency Bidirectional GaN-Based CLLC Resonant Converter," Energies, MDPI, vol. 12(20), pages 1-13, October.
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    Cited by:

    1. Mohamed Derbeli & Cristian Napole & Oscar Barambones & Jesus Sanchez & Isidro Calvo & Pablo Fernández-Bustamante, 2021. "Maximum Power Point Tracking Techniques for Photovoltaic Panel: A Review and Experimental Applications," Energies, MDPI, vol. 14(22), pages 1-31, November.
    2. 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.

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