A Novel VSG with Adaptive Virtual Inertia and Adaptive Damping Coefficient to Improve Transient Frequency Response of Microgrids

Erico Gurski, Roman Kuiava, Filipe Perez, Raphael A. S. Benedito and Gilney Damm ()
Additional contact information
Erico Gurski: Department of Electrical Engineering, Federal University of Parana (UFPR), Curitiba 81530-000, Brazil
Roman Kuiava: Department of Electrical Engineering, Federal University of Parana (UFPR), Curitiba 81530-000, Brazil
Filipe Perez: Supergrid Institute, 69100 Villeurbanne, France
Raphael A. S. Benedito: Department of Electrical Engineering, Federal University of Technology—Parana (UTFPR), Curitiba 80230-901, Brazil
Gilney Damm: Department of Components and Systems—Instrumentation, Modeling, Simulation and Experimentation Laboratory (COSYS-IMSE, IFSTTAR), University Gustave Eiffel, 77454 Marne-la-Vallée, France

Energies, 2024, vol. 17, issue 17, 1-22

Abstract: This paper proposes a combined adaptive virtual Inertia and adaptive damping control of a virtual synchronous generator (AID-VSG) to improve the dynamic frequency response of microgrids. In the proposed control scheme, the VSG’s virtual inertia and damping coefficients adapt themselves during the transients to, respectively, reduce frequency deviations and increase the oscillations’ damping. In addition, as an important feature, the proposed AID-VSG is suitable for distributed control scheme applications and is designed to not rely on phase-locked loop (PLL) measurements, which avoids PLL stability issues on weak grids. The control parameters of the proposed AID-VSG are tuned by the particle swarm optimization (PSO) algorithm to minimize the overshoot and settling time of the microgrid’s frequency during an islanding event. The AID-VSG is validated by a comparative analysis with three existing VSG control schemes, also tuned by the stated optimization algorithm. The performance of each compared VSG strategy is evaluated through the simulation of a set of 10,000 initial conditions, using the islanded microgrid’s nonlinear model. The best response among the VSG strategies was achieved by the proposed AID-VSG control for both the optimization problem and the set of initial conditions’ simulations.

Keywords: AC microgrid; adaptive inertia; adaptive damping; distributed control; frequency control; virtual synchronous generator (VSG) (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: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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