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Non-Isolated Current-Fed Series Resonant Converter with Hybrid Control Algorithms for DC Microgrid

Author

Listed:
  • Byungki Kim

    (Power System Research Team, Korea Institute of Energy Research (KIER), Jeju 63357, Republic of Korea)

  • Hwa-Pyeong Park

    (School of Electronics Engineering, Kumoh National Institute of Technology (KIT), Gumi 39177, Republic of Korea)

Abstract

Module-level power electronics can optimize the power generation of photovoltaic panels, which requires a simple topology structure, high power conversion efficiency, and wide voltage gain, corresponding to irradiance variations. This paper proposes a non-isolated current-fed L-C series resonant converter and its control algorithms. The proposed converter can obtain a buck–boost voltage gain with the hybrid control algorithm utilizing the switching frequency modulation and asymmetric pulse width modulation. The proper power stage design can guarantee the soft-switching capability for the entire operating range. Also, the control strategy is designed to obtain a small rms current. The operational principle of proposed converter is analyzed in order to design the resonant tank and control strategy. The performance of designed converter can be verified with the experimental results with a 500 W prototype converter.

Suggested Citation

  • Byungki Kim & Hwa-Pyeong Park, 2023. "Non-Isolated Current-Fed Series Resonant Converter with Hybrid Control Algorithms for DC Microgrid," Energies, MDPI, vol. 16(16), pages 1-16, August.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:16:p:6029-:d:1219226
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    References listed on IDEAS

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    1. Vincenzo Li Vigni & Damiano La Manna & Eleonora Riva Sanseverino & Vincenzo Di Dio & Pietro Romano & Pietro Di Buono & Maurizio Pinto & Rosario Miceli & Costantino Giaconia, 2015. "Proof of Concept of an Irradiance Estimation System for Reconfigurable Photovoltaic Arrays," Energies, MDPI, vol. 8(7), pages 1-17, June.
    2. Tehzeeb-ul Hassan & Rabeh Abbassi & Houssem Jerbi & Kashif Mehmood & Muhammad Faizan Tahir & Khalid Mehmood Cheema & Rajvikram Madurai Elavarasan & Farman Ali & Irfan Ahmad Khan, 2020. "A Novel Algorithm for MPPT of an Isolated PV System Using Push Pull Converter with Fuzzy Logic Controller," Energies, MDPI, vol. 13(15), pages 1-20, August.
    3. Adnan Aslam & Naseer Ahmed & Safian Ahmed Qureshi & Mohsen Assadi & Naveed Ahmed, 2022. "Advances in Solar PV Systems; A Comprehensive Review of PV Performance, Influencing Factors, and Mitigation Techniques," Energies, MDPI, vol. 15(20), pages 1-52, October.
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