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Power hardware-in-the-loop validation of primary frequency robust control in stand-alone microgrids with storage units

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Abstract

This paper describes a multi-variable robust control scheme for frequency regulation in a diesel–photovoltaic–supercapacitor hybrid power generation system operating in stand-alone mode. The proposed control structure relies on a two-level architecture, with conventional PI-based current tracking controllers placed on the lower control level and receiving references from an \({\mathcal {H}}_{\infty }\)-control-based upper level. The specific engineering demands of microgrid operation are cast into an \({\mathcal {H}}_{\infty }\) control formalism. A rapid-prototyping test bench composed of a real supercapacitor-based energy storage system and an emulated diesel–photovoltaic–load grid is developed using real-time digital simulators, namely RT-LAB\(^{\circledR }\) and dSPACE\(^{\circledR }\), in order to experimentally validate the proposed frequency robust control strategy under realistic operating conditions.

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Acknowledgements

This work was supported in part by the University of Danang – University of Science and Technology, Project code number: T2020-02-10 and in part by the French Ministry of Higher Education, Research, and Innovation.

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Authors and Affiliations

  1. The University of Danang – University of Science and Technology, Danang, 550000, Vietnam

    Quang Linh Lam

  2. CNRS, Grenoble INP, G2Elab, Institute of Engineering, Univ. Grenoble Alpes, 38000, Grenoble, France

    Quang Linh Lam, Delphine Riu, Antoine Labonne & Cédric Boudinet

  3. CNRS, Grenoble INP, GIPSA-lab, Institute of Engineering, Univ. Grenoble Alpes, 38000, Grenoble, France

    Quang Linh Lam & Antoneta Iuliana Bratcu

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  1. Quang Linh Lam
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Lam, Q.L., Riu, D., Bratcu, A.I. et al. Power hardware-in-the-loop validation of primary frequency robust control in stand-alone microgrids with storage units. Electr Eng 105, 317–333 (2023). https://doi.org/10.1007/s00202-022-01666-6

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  • DOI: https://doi.org/10.1007/s00202-022-01666-6

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