A Steady-State Wind Farm Wake Model Implemented in OpenFAST

Antonio Cioffi, Claudia Muscari, Paolo Schito and Alberto Zasso
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Antonio Cioffi: Department of Mechanical Engineering, Politecnico di Milano, 20156 Milano, Italy
Claudia Muscari: Department of Mechanical Engineering, Politecnico di Milano, 20156 Milano, Italy
Paolo Schito: Department of Mechanical Engineering, Politecnico di Milano, 20156 Milano, Italy
Alberto Zasso: Department of Mechanical Engineering, Politecnico di Milano, 20156 Milano, Italy

Energies, 2020, vol. 13, issue 23, 1-16

Abstract: Wake models play a fundamental role in finding optimized solutions in wind farm control. In fact, they allow assessing how wakes develop and interact with each other with the agility required for real-time applications. In this paper, a Gaussian Wake Model (GWM) is implemented in the OpenFAST framework in a way such that its fidelity is increased with respect to previously implemented models, while enhancing its compatibility with control purposes. The OpenFAST tool is coupled with Floris, NREL’s software based on the GWM, in order to simulate the wake effect on downstream machines (in the case where the downstream rotor is fully covered by the wake, only partially covered by the wake, of the wake is generated by the interaction of more than one turbine), while the rotor aerodynamics is calculated using the BEMT on the actual rotor flow field. We intend this work as a starting point for developing and testing open/closed-loop control logics that will work in real wind farms. To show the suitability of the implementation, the entire model is then compared to Floris.

Keywords: wind farm control; wind turbine; wake model; Floris; OpenFAST; Gaussian wake model (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: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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