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Optimal Power Flow for Unbalanced Three-Phase Microgrids Using an Interior Point Optimizer

Author

Listed:
  • Piyapath Siratarnsophon

    (Department of Electrical Engineering, Faculty of Engineering at Sriracha, Kasetsart University, Chon Buri 20230, Thailand)

  • Woosung Kim

    (Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, TX 78712, USA)

  • Nicholas Barry

    (Department of Electrical Engineering and Computer Science, United States Military Academy West Point, West Point, NY 10996, USA)

  • Debjyoti Chatterjee

    (Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, TX 78712, USA)

  • Surya Santoso

    (Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, TX 78712, USA)

Abstract

Optimal power flow (OPF) analysis enables the in-depth study and examination of islanded microgrid design and operation. The development of the analysis framework, including modeling, formulating, and selecting effective OPF solvers, however, is a nontrivial task. As a result, this paper presents a tutorial on an OPF modeling framework, offering a mathematical model that can be readily implemented using established open-source software tools such as OpenDSS, Pyomo, and IPOPT. The framework is versatile, capable of representing single-phase and unbalanced three-phase islanded microgrids. Various inverter models, such as those of grid forming and following equipped with their operating characteristics, can be incorporated. The efficacy of the proposed framework is demonstrated in studying the OPF of single-phase and three-phase microgrids.

Suggested Citation

  • Piyapath Siratarnsophon & Woosung Kim & Nicholas Barry & Debjyoti Chatterjee & Surya Santoso, 2023. "Optimal Power Flow for Unbalanced Three-Phase Microgrids Using an Interior Point Optimizer," Energies, MDPI, vol. 17(1), pages 1-21, December.
    • Handle: RePEc:gam:jeners:v:17:y:2023:i:1:p:32-:d:1304029
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