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Distributed Secondary Control in Microgrids Using Synchronous Condenser for Voltage and Frequency Support

Author

Listed:
  • Tung Lam Nguyen

    (Department of Electrical and Computer Engineering, Florida International University, Miami, FL 33174, USA
    Department of Electrical Engineering, The University of Danang-University of Science and Technology, Danang 550000, Vietnam
    These authors contributed equally to this work.)

  • Ha Thi Nguyen

    (Department of Electrical Engineering, The University of Danang-University of Science and Technology, Danang 550000, Vietnam
    Department of Electrical and Computer Engineering, University of Connecticut, Storrs, CT 06268, USA
    These authors contributed equally to this work.)

  • Yu Wang

    (Department of Electrical and Electronic Engineering, Imperial College London, London SW7 2AZ, UK)

  • Osama A. Mohammed

    (Department of Electrical and Computer Engineering, Florida International University, Miami, FL 33174, USA)

  • Emmanouil Anagnostou

    (Department of Civil and Environmental Engineering, University of Connecticut, Storrs, CT 06268, USA)

Abstract

A high share of distributed energy resources (DERs) in power distribution grids has posed many challenges for system operation and control. Microgrid (MG) application with different distributed control approaches for DERs has been drawn a lot of attention from the research community to provide more flexibility, reliability and resilience for the system. This paper develops a distributed secondary control for DERs in MGs and on top of that using synchronous condenser (SC) participating in the secondary control for voltage support. The proposed distributed secondary control framework of MGs is designed to obtain four objectives as follows: (i) frequency restoration, (ii) average voltage restoration, (iii) arbitrary active power sharing among SGs and BESSs and (iv) arbitrary reactive power sharing among all SGs, BESSs and SCs. The comparison results under different scenarios show that with SC participating in the distributed secondary control in MGs, the system frequency and voltage response are much improved and quickly recovered to the nominal values thanks to the natural inertia response and fast reactive power control of SC sharing with other DERs in the MGs. Additionally, a multi-agent system is implemented to realize the proposed control method in hardware environment.

Suggested Citation

  • Tung Lam Nguyen & Ha Thi Nguyen & Yu Wang & Osama A. Mohammed & Emmanouil Anagnostou, 2022. "Distributed Secondary Control in Microgrids Using Synchronous Condenser for Voltage and Frequency Support," Energies, MDPI, vol. 15(8), pages 1-15, April.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:8:p:2968-:d:796623
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