A Discrete-Event Based Power Management System Framework for AC Microgrids

Paolo C. Erazo Huera, Thamiris B. de Paula, João M. T. do Amaral, Thiago M. Tuxi (), Gustavo S. Viana (), Emanuel L. van Emmerik and Robson F. S. Dias ()
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Paolo C. Erazo Huera: Electrical Engineering Program, COPPE/UFRJ, Federal University of Rio de Janeiro, Rio de Janeiro 21941-617, RJ, Brazil
Thamiris B. de Paula: Electrical Engineering Program, Poli/UFRJ, Federal University of Rio de Janeiro, Rio de Janeiro 21941-617, RJ, Brazil
João M. T. do Amaral: Electrical Engineering Program, COPPE/UFRJ, Federal University of Rio de Janeiro, Rio de Janeiro 21941-617, RJ, Brazil
Thiago M. Tuxi: Control and Automation Engineering Program, CEFET/RJ, Federal Center of Technological Education, Rio de Janeiro 20271-004, RJ, Brazil
Gustavo S. Viana: Electrical Engineering Program, COPPE/UFRJ, Federal University of Rio de Janeiro, Rio de Janeiro 21941-617, RJ, Brazil
Emanuel L. van Emmerik: Electrical Engineering Program, COPPE/UFRJ, Federal University of Rio de Janeiro, Rio de Janeiro 21941-617, RJ, Brazil
Robson F. S. Dias: Electrical Engineering Program, COPPE/UFRJ, Federal University of Rio de Janeiro, Rio de Janeiro 21941-617, RJ, Brazil

Energies, 2025, vol. 18, issue 15, 1-31

Abstract: This paper presents a practical framework for the design and real-time implementation of a Power Management System (PMS) for microgrids based on Supervisory Control Theory (SCT) for discrete-event systems. A detailed step-by-step methodology is provided, which covers the entire process from defining discrete events, modeling microgrid components, synthesizing supervisory controllers, and realizing them in MATLAB (R2024b) Stateflow. This methodology is applied to a case study, where a decentralized supervisor controller is designed for a microgrid containing a Battery Energy Storage System (BESS), a generator set (Genset), a wind and a solar generation system, critical loads, and noncritical loads. Unlike previous works based on SCT, the proposed PMS addresses the following functionalities: ( i ) grid-connected and islanded operation; ( i i ) peak shaving; ( i i i ) voltage support; ( i v ) load shedding. Finally, a CHIL testing is employed to validate the synthesized SCT-based PMS.

Keywords: microgrid; supervisory control; power management (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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