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Article Dans Une Revue International Journal of Electrical Power & Energy Systems Année : 2023

Data-driven distributed voltage control for microgrids: A Koopman-based approach

Résumé

This paper presents a distributed data-driven control to regulate the voltage in an alternate current microgrid (MG). Following the hierarchical control frame for MGs, a secondary control for voltage is designed with a data-driven strategy using the Koopman operator. The Koopman operator approach represents the nonlinear behavior of voltage as a linear problem in the space of observables or lifted space. The representation in the lifted space is used together with linear consensus to design a model predictive control (MPC). The complete algorithm is proved in an MG model that includes changes in load, transmission lines, and the communication graph. The data-driven model regulates the voltage using a distributed approach based only on local measurements, and includes reactive power constraints and control cost minimization.
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Dates et versions

hal-03860551 , version 1 (16-05-2024)

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Vladimir Toro, Duvan Tellez-Castro, Eduardo Mojica-Nava, Naly Rakoto-Ravalontsalama. Data-driven distributed voltage control for microgrids: A Koopman-based approach. International Journal of Electrical Power & Energy Systems, 2023, 145, pp.108636. ⟨10.1016/j.ijepes.2022.108636⟩. ⟨hal-03860551⟩
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