A Novel Control Technique for Voltage Balancing in Bipolar DC Microgrids

Hajar Doubabi, Issam Salhi and Najib Essounbouli
Additional contact information
Hajar Doubabi: CReSTIC, Reims University, 9 rue de Québec B.P 396, 10026 Troyes, France
Issam Salhi: FEMTO-ST Institute, University Bourgogne Franche-Comté, UTBM, CNRS, Rue Thierry Mieg, 90000 Belfort, France
Najib Essounbouli: CReSTIC, Reims University, 9 rue de Québec B.P 396, 10026 Troyes, France

Energies, 2022, vol. 15, issue 9, 1-14

Abstract: The bipolar DC microgrid topology is characterized by three voltage levels and is able to transfer power more efficiently than a conventional DC microgrid. This paper proposes an advanced control strategy aiming to ensure the voltage balancing between the upper and lower terminals of a bipolar DC microgrid regardless of the distribution of loads. The proposed controller is based on the backstepping method, which is well known for its the robustness and the global asymptotic stability that can be guaranteed for the system. A particle swarm optimization algorithm has also been adopted for an optimal design of the proposed controller parameters. Simulation results in a Matlab/Simulink environment has been presented to verify the effectiveness and reliability of the proposed voltage-balancing controller.

Keywords: voltage balancing control; bipolar DC microgrid; three-level DC–DC step-up converter (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: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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