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Modified Master–Slave Controller for Stable Power Supply of Energy Storage Based Microgrid

Author

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  • Byoung-chang Jeong

    (Realtech Co., Ltd., Youngin 17043, Gyeonggi, Korea)

Abstract

This paper presents a method for supplying stable electricity using renewable energy sources and energy storage systems (ESSs) in a small-scale microgrid (MG) such as an island. Traditional control methods, such as master–slave control and droop control, have focused on equalizing power sharing among a small number of generators and do not deal well with emergencies such as unplanned generator failures. This paper proposes a control method that can stably maintain the frequency of the MG in various situations by combining the advantages of master–slave control and droop control and complementing the disadvantages. Simulations were performed under various conditions to verify the proposed control method.

Suggested Citation

  • Byoung-chang Jeong, 2022. "Modified Master–Slave Controller for Stable Power Supply of Energy Storage Based Microgrid," Energies, MDPI, vol. 15(12), pages 1-19, June.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:12:p:4245-:d:834825
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