Rostock 2019 – scientific programme

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AKE: Arbeitskreis Energie

AKE 6: Intermittent Renewable Energy Supply

AKE 6.2: Talk

Monday, March 11, 2019, 17:15–17:30, U A-Esch 1

Geometric optimization of wind farms based on minimization of the Coulomb energy — Joakim Trane, Erik B. Joergensen, and •Martin Greiner — Department of Engineering, Aarhus University

Within a constrained wind-farm area, the wind turbines need to have sufficient spacing, so that the wind is able to recover in between the turbines. In this respect, wind turbines can be treated in analogy to equally charged particles, which arrange to have largest possible distances by minimizing the total Coulomb energy. This objective leads to a much faster spatial optimization of wind farms when compared to layout optimizations with dedicated engineering wind-farm models. For isotropic wind roses, the resulting Coulomb layouts lead to an increase of the wind-farm power efficiency by about 10% when compared to standard grid-like layouts. A further generalization of this optimization analogy to non-isotropic two-particle Coulomb interactions is also discussed and demonstrated to successfully deal with non-isotropic wind roses.