New Decentralized Control of Mesh AC Microgrids: Study, Stability, and Robustness Analysis

Youssef Hennane, Abdelmajid Berdai, Jean-Philippe Martin, Serge Pierfederici and Farid Meibody-Tabar
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Youssef Hennane: Laboratoire Énergies & Mécanique Théorique et Appliquée LEMTA, Centre National de la Recherche Scientifique CNRS, Université de Lorraine, 54000 Nancy, France
Abdelmajid Berdai: Electrical Engineering Department, National Superior School of Electricity and Mechanics (ENSEM), Hassan II University, Route d’El Jadida, km 7, Oasis, Casablanca BP 8118, Morocco
Jean-Philippe Martin: Laboratoire Énergies & Mécanique Théorique et Appliquée LEMTA, Centre National de la Recherche Scientifique CNRS, Université de Lorraine, 54000 Nancy, France
Serge Pierfederici: Laboratoire Énergies & Mécanique Théorique et Appliquée LEMTA, Centre National de la Recherche Scientifique CNRS, Université de Lorraine, 54000 Nancy, France
Farid Meibody-Tabar: Laboratoire Énergies & Mécanique Théorique et Appliquée LEMTA, Centre National de la Recherche Scientifique CNRS, Université de Lorraine, 54000 Nancy, France

Sustainability, 2021, vol. 13, issue 4, 1-25

Abstract: In this paper, we investigated the power sharing issues in mesh islanded microgrids that contain several distributed generators (DGs) and loads connected to different points of common coupling (PCC). Firstly, an improved decentralized droop control algorithm is proposed to achieve the active and reactive power sharing of different DGs in reconfigurable mesh islanded microgrids. Accurate power sharing was obtained even though line parameters or the mesh microgrid configuration were unknown. Secondly a state-space model of the whole mesh microgrid was developed, considering several generators with their decentralized controllers, line feeders, and dynamic loads. This model was used to design parameters of droop controllers, to study the asymptotic stability and the robustness properties of the system. All strategies and analyses were validated by simulation based on the generic microgrid detailed in the standard IEEE 9bus test feeder.

Keywords: droop control; mesh microgrids; power sharing; synchronization; system stability; robustness analysis; constant power load; reconfiguration (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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