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High-Performance 3-Phase 5-Level E-Type Multilevel–Multicell Converters for Microgrids

Author

Listed:
  • Marco di Benedetto

    (C-PED, Center for Power Electronics and Drives, Roma Tre University, 00146 Roma, Italy)

  • Alessandro Lidozzi

    (C-PED, Center for Power Electronics and Drives, Roma Tre University, 00146 Roma, Italy)

  • Luca Solero

    (C-PED, Center for Power Electronics and Drives, Roma Tre University, 00146 Roma, Italy)

  • Fabio Crescimbini

    (C-PED, Center for Power Electronics and Drives, Roma Tre University, 00146 Roma, Italy)

  • Petar J. Grbović

    (Innsbruck Power Electronics Lab Innsbruck, University of Innsbruck, 6020 Innsbruck, Austria)

Abstract

This paper focuses on the analysis and design of two multilevel–multicell converters (MMCs), named 3-phase 5-Level E-Type Multilevel–Multicell Rectifier (3Φ5L E-Type MMR) and 3-phase 5-Level E-Type Multilevel–Multicell Inverter (3Φ5L E-Type MMI) to be used in microgrid applications. The proposed 3-phase E-Type multilevel rectifier and inverter have each phase being accomplished by the combination of two I-Type topologies connected to the T-Type topology. The two cells of each phase of the rectifier and inverter are connected in interleaving using an intercell transformer (ICT) in order to reduce the volume of the output filter. Such an E-Type topology arrangement is expected to allow both the high efficiency and power density required for microgrid applications, as well as being capable of providing good performance in terms of quality of the voltage and current waveforms. The proposed hardware design and control interface are supported by the simulation results performed in Matlab/Simulink. The analysis has been then validated in terms of an experimental campaign performed on the converter prototype, which presented a power density of 8.4 kW/dm 3 and a specific power of 3.24 kW/kg. The experimental results showed that the proposed converter can achieve a peak efficiency of 99% using only silicon power semiconductors.

Suggested Citation

  • Marco di Benedetto & Alessandro Lidozzi & Luca Solero & Fabio Crescimbini & Petar J. Grbović, 2021. "High-Performance 3-Phase 5-Level E-Type Multilevel–Multicell Converters for Microgrids," Energies, MDPI, vol. 14(4), pages 1-21, February.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:4:p:843-:d:494157
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    Citations

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    Cited by:

    1. Alessandro Busacca & Antonino Oscar Di Tommaso & Rosario Miceli & Claudio Nevoloso & Giuseppe Schettino & Gioacchino Scaglione & Fabio Viola & Ilhami Colak, 2022. "Switching Frequency Effects on the Efficiency and Harmonic Distortion in a Three-Phase Five-Level CHBMI Prototype with Multicarrier PWM Schemes: Experimental Analysis," Energies, MDPI, vol. 15(2), pages 1-29, January.
    2. Muhyaddin Rawa & Prem P & Jagabar Sathik Mohamed Ali & Marif Daula Siddique & Saad Mekhilef & Addy Wahyudie & Mehdi Seyedmahmoudian & Alex Stojcevski, 2021. "A New Multilevel Inverter Topology with Reduced DC Sources," Energies, MDPI, vol. 14(15), pages 1-21, August.
    3. Giulia Di Nezio & Marco di Benedetto & Alessandro Lidozzi & Luca Solero, 2022. "Analysis and Design of a High-Efficiency SiC MOSFET 6-Phase Boost Rectifier," Energies, MDPI, vol. 15(6), pages 1-17, March.
    4. Massimiliano Luna, 2022. "High-Efficiency and High-Performance Power Electronics for Power Grids and Electrical Drives," Energies, MDPI, vol. 15(16), pages 1-6, August.
    5. Stefano Menicanti & Marco di Benedetto & Davide Marinelli & Fabio Crescimbini, 2022. "Recovery of Trains’ Braking Energy in a Railway Micro-Grid Devoted to Train plus Electric Vehicle Integrated Mobility," Energies, MDPI, vol. 15(4), pages 1-25, February.

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