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From Non-Modular to Modular Concept of Bidirectional Buck/Boost Converter for Microgrid Applications

Author

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  • Michal Frivaldsky

    (Department of Mechatronics and Electronics, Faculty of Electrical Engineering and Information Technologies, University of Zilina, 01026 Zilina, Slovakia)

  • Slavomir Kascak

    (Department of Mechatronics and Electronics, Faculty of Electrical Engineering and Information Technologies, University of Zilina, 01026 Zilina, Slovakia)

  • Jan Morgos

    (Department of Mechatronics and Electronics, Faculty of Electrical Engineering and Information Technologies, University of Zilina, 01026 Zilina, Slovakia)

  • Michal Prazenica

    (Department of Mechatronics and Electronics, Faculty of Electrical Engineering and Information Technologies, University of Zilina, 01026 Zilina, Slovakia)

Abstract

In this article, the practical comparison of the operational performance of the modular (or multiport) and non-modular bidirectional buck/boost (bi-BB) DC/DC converter is realized. The main contribution of the work is the evaluation of both concepts based on various aspects, considering the qualitative indicators of the systems relevant for microgrids. Here, we discuss efficiency, electrical properties, costs, and component values. At the same time, critical comparisons are provided for converters based on SiC and GaN technology (non-modular high-voltage SiC-based dual-interleaved converter and modular low-voltage GaN-based). The concepts are specific with their operating frequency, whereby for each solution, the switching frequency is different and directly influences relevant components. The efficiency, overall system volume, output voltage ripple, and input current ripple are compared mutually between both concepts with a dependency on power delivery. These factors, together with overall volume and costs, are very important considering modern converters for microgrid systems. The summary of pros and cons is realized for each of the proposed converters, whereby the evaluation criterion is reflected within the electrical properties targeting microgrid application.

Suggested Citation

  • Michal Frivaldsky & Slavomir Kascak & Jan Morgos & Michal Prazenica, 2020. "From Non-Modular to Modular Concept of Bidirectional Buck/Boost Converter for Microgrid Applications," Energies, MDPI, vol. 13(12), pages 1-23, June.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:12:p:3287-:d:376660
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    References listed on IDEAS

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    1. Sajib Chakraborty & Hai-Nam Vu & Mohammed Mahedi Hasan & Dai-Duong Tran & Mohamed El Baghdadi & Omar Hegazy, 2019. "DC-DC Converter Topologies for Electric Vehicles, Plug-in Hybrid Electric Vehicles and Fast Charging Stations: State of the Art and Future Trends," Energies, MDPI, vol. 12(8), pages 1-43, April.
    2. Ching-Ming Lai & Yuan-Chih Lin & Dasheng Lee, 2015. "Study and Implementation of a Two-Phase Interleaved Bidirectional DC/DC Converter for Vehicle and DC-Microgrid Systems," Energies, MDPI, vol. 8(9), pages 1-23, September.
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    Cited by:

    1. Reddi Khasim, Shaik & Dhanamjayulu, C., 2021. "Selection parameters and synthesis of multi-input converters for electric vehicles: An overview," Renewable and Sustainable Energy Reviews, Elsevier, vol. 141(C).
    2. Ruben Rafael Boros & István Bodnár, 2022. "Grid and PV Fed Uninterruptible Induction Motor Drive Implementation and Measurements," Energies, MDPI, vol. 15(3), pages 1-18, January.

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