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Multiple-Source Single-Output Buck-Boost DC–DC Converter with Increased Reliability for Photovoltaic (PV) Applications

Author

Listed:
  • Mohamed S. Elrefaey

    (Faculty of Technological Industry and Energy, Delta Technological University (DTU), Quwaysna 32631, Egypt)

  • Mohamed E. Ibrahim

    (Faculty of Technological Industry and Energy, Delta Technological University (DTU), Quwaysna 32631, Egypt
    Faculty of Engineering, Menoufia University, Shebin El-Kom 32511, Egypt)

  • Elsayed Tag Eldin

    (Faculty of Engineering and Technology, Future University in Egypt, Cairo 11835, Egypt)

  • Hossam Youssef Hegazy

    (Faculty of Industrial Education, Helwan University, Cairo 11835, Egypt)

  • Elwy E. El-Kholy

    (Faculty of Engineering, Menoufia University, Shebin El-Kom 32511, Egypt)

  • Samia Abdalfatah

    (Faculty of Industrial Education, Helwan University, Cairo 11835, Egypt)

Abstract

This paper presents an improved topology for a DC–DC converter suitable for PV applications. The proposed converter has the ability to be energized from multiple DC sources. Hence, it can be energized from two, three or a higher number of sources according to the number of modules adopted in its design. The proposed converter can supply a single load with DC power at a voltage lower or higher than the summation of all excitation DC voltages with a non-reversed voltage polarity at its output. Moreover, it provides a more reliable operation compared to other DC–DC converters due to its ability for operation with partial failures in its exciting sources. In this paper, the theoretical discussion of the proposed converter is presented considering its construction and its principle of operation. The performance of the proposed converter is theoretically evaluated using simulation based on power simulation (PSIM) software at different conditions. The performance of the converter is theoretically evaluated using PSIM considering photovoltaic (PV) sources as input sources for the proposed converter to show its validity for renewable energy applications. For more evaluation, experimental work is carried out by building a prototype and testing it at different operating conditions.

Suggested Citation

  • Mohamed S. Elrefaey & Mohamed E. Ibrahim & Elsayed Tag Eldin & Hossam Youssef Hegazy & Elwy E. El-Kholy & Samia Abdalfatah, 2022. "Multiple-Source Single-Output Buck-Boost DC–DC Converter with Increased Reliability for Photovoltaic (PV) Applications," Energies, MDPI, vol. 16(1), pages 1-26, December.
    • Handle: RePEc:gam:jeners:v:16:y:2022:i:1:p:216-:d:1014367
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    References listed on IDEAS

    as
    1. Crescent Onyebuchi Omeje, 2019. "Power Loss Analysis Model of a Dc-Dc Buck-Boost Converter with an Interfaced Three Phase Inverter for Medium Voltage Application," Journal of Asian Scientific Research, Asian Economic and Social Society, vol. 9(8), pages 100-115, August.
    2. Crescent Onyebuchi Omeje, 2019. "Power Loss Analysis Model of a Dc-Dc Buck-Boost Converter with an Interfaced Three Phase Inverter for Medium Voltage Application," Journal of Asian Scientific Research, Asian Economic and Social Society, vol. 9(8), pages 100-115.
    3. Ingilala Jagadeesh & Vairavasundaram Indragandhi, 2022. "Comparative Study of DC-DC Converters for Solar PV with Microgrid Applications," Energies, MDPI, vol. 15(20), pages 1-21, October.
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