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Design and Analysis of a Three-Phase Interleaved DC-DC Boost Converter with an Energy Storage System for a PV System

Author

Listed:
  • L. Pirashanthiyah

    (Department of Electrical Engineering, University of Moratuwa, Moratuwa 10400, Sri Lanka)

  • H. N. Edirisinghe

    (Department of Electrical Engineering, University of Moratuwa, Moratuwa 10400, Sri Lanka)

  • W. M. P. De Silva

    (Department of Electrical Engineering, University of Moratuwa, Moratuwa 10400, Sri Lanka)

  • S. R. A. Bolonne

    (Department of Electrical Engineering, University of Moratuwa, Moratuwa 10400, Sri Lanka)

  • V. Logeeshan

    (Department of Electrical Engineering, University of Moratuwa, Moratuwa 10400, Sri Lanka)

  • C. Wanigasekara

    (Institute for the Protection of Maritime Infrastructures, German Aerospace Center (DLR), 27572 Bremerhaven, Germany)

Abstract

This paper describes a groundbreaking design of a three-phase interleaved boost converter for PV systems, leveraging parallel-connected conventional boost converters to reduce input current and output voltage ripple while improving the dynamic performance. A distinctive feature of this study is the direct connection of a Li-Ion battery to the DC link, which eliminates the need for an additional charging circuit, which is a departure from conventional approaches. Furthermore, the combination of an MPPT controller and a closed-loop fuzzy controller with a current control mode ensures accurate switching signal generation for all three phases. The meticulously tuned system exhibits a remarkably low ripple content in the output voltage, surpassing calculated values, and demonstrates a superior dynamic performance. The investigation extends to a comprehensive analysis of losses, encompassing inductor copper loss and semiconductor conduction loss. In all scenarios, the converter exhibits an efficiency exceeding 93%, highlighting its robust performance as an effective solution for PV systems.

Suggested Citation

  • L. Pirashanthiyah & H. N. Edirisinghe & W. M. P. De Silva & S. R. A. Bolonne & V. Logeeshan & C. Wanigasekara, 2024. "Design and Analysis of a Three-Phase Interleaved DC-DC Boost Converter with an Energy Storage System for a PV System," Energies, MDPI, vol. 17(1), pages 1-14, January.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:1:p:250-:d:1312463
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    References listed on IDEAS

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    1. Anju Yadav & Nand Kishor & Richa Negi, 2023. "Bus Voltage Violations under Different Solar Radiation Profiles and Load Changes with Optimally Placed and Sized PV Systems," Energies, MDPI, vol. 16(2), pages 1-23, January.
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