Impact of decentralized microgrids optimal energy management on power system dynamics

Juan S. Giraldo, Mohammed Ahsan Adib Murad*, Taulant Kërçi, Federico Milano

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

4 Citations (Scopus)
33 Downloads (Pure)


This paper proposes a unified framework between the optimal energy management (OEM) problem of grid-connected microgrids and the frequency control of power systems through time-domain simulations. The proposed formulation is aimed at analyzing how different objectives for the microgrid OEM and control strategies affect the system frequency regulation. Each OEM model minimizes the microgrid local objective while ensuring energy reserves and operational limits by solving a two-stage stochastic optimization mathematical model. Two control approaches of microgrids are considered, namely, greedy and cooperative. The proposed framework is evaluated considering the IEEE 39-bus test system, including multiple microgrids with different energy storage capacities, and control strategies. Results show an improvement in system’s frequency deviation when MGs operate in the cooperative configuration while simultaneously reducing their operational costs.
Original languageEnglish
Article number108337
JournalElectric power systems research
Early online date25 Jul 2022
Publication statusPublished - 1 Nov 2022


  • Microgrids
  • Power system dynamics
  • Renewable energy source
  • Energy storage system
  • Frequency regulation
  • Optimal energy management
  • 22/3 OA procedure


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