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Per-Phase Power Controller for Smooth Islanded Transitions in Three-Phase Three-Wire Systems

Author

Listed:
  • Andrea Lauri

    (Department of Management and Engineering (DTG), University of Padova, 36100 Vicenza, Italy)

  • Tommaso Caldognetto

    (Department of Management and Engineering (DTG), University of Padova, 36100 Vicenza, Italy)

  • Davide Biadene

    (Department of Management and Engineering (DTG), University of Padova, 36100 Vicenza, Italy)

  • Hossein Abedini

    (Department of Management and Engineering (DTG), University of Padova, 36100 Vicenza, Italy)

  • Paolo Mattavelli

    (Department of Management and Engineering (DTG), University of Padova, 36100 Vicenza, Italy)

Abstract

This manuscript describes the operation of a droop-based controller for three-phase converters in the case of the absence of a neutral connection to the grid. The controller is capable of output power tracking and smooth transitions into the islanded operation. While independent per-phase control of the converter output power is possible if a neutral connection is present, its absence implies additional constraints to be considered. Focusing on this latter case, the controller described herein allows the independent control of the active power at the output of each phase of the converter and a smooth transition to the islanded operation. These features are paramount in future smart power systems, such as smart microgrids, for implementing demand–response, power-flow management, and uninterrupted power operation.

Suggested Citation

  • Andrea Lauri & Tommaso Caldognetto & Davide Biadene & Hossein Abedini & Paolo Mattavelli, 2023. "Per-Phase Power Controller for Smooth Islanded Transitions in Three-Phase Three-Wire Systems," Energies, MDPI, vol. 16(2), pages 1-12, January.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:2:p:672-:d:1026928
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    References listed on IDEAS

    as
    1. Himadry Shekhar Das & Md Nurunnabi & Mohamed Salem & Shuhui Li & Mohammad Mominur Rahman, 2022. "Utilization of Electric Vehicle Grid Integration System for Power Grid Ancillary Services," Energies, MDPI, vol. 15(22), pages 1-15, November.
    2. Paolo Tenti & Tommaso Caldognetto, 2022. "Generalized Control of the Power Flow in Local Area Energy Networks," Energies, MDPI, vol. 15(4), pages 1-21, February.
    3. Hossein Abedini & Tommaso Caldognetto & Paolo Mattavelli & Paolo Tenti, 2020. "Real-Time Validation of Power Flow Control Method for Enhanced Operation of Microgrids," Energies, MDPI, vol. 13(22), pages 1-19, November.
    4. Francesco Simmini & Marco Agostini & Massimiliano Coppo & Tommaso Caldognetto & Andrea Cervi & Fabio Lain & Ruggero Carli & Roberto Turri & Paolo Tenti, 2020. "Leveraging Demand Flexibility by Exploiting Prosumer Response to Price Signals in Microgrids," Energies, MDPI, vol. 13(12), pages 1-19, June.
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