Timo Dewenter, Wiebke Heins, Benjamin Werther, Alexander K. Hartmann, Christian Bohn, and Hans-Peter Beck
Inverter-based microgrid, virtual synchronous machine, stochasticoptimization, parallel tempering
Parameters of a virtual synchronous machine in a small microgrid are optimized. The dynamical behaviour of the system is simulated after a perturbation. The cost functional evaluates the system behaviour for different parameters. It is minimized by Parallel Tempering. Two perturbation scenarios are investigated. The resulting optimal parameters agree with analytical predictions. Dependent on the focus of the optimization, different optima are obtained for each scenario. During the transient the system leaves the allowed voltage and frequency bands only for a short time if the perturbation is within a certain range.
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