Research & Development
Projet
Models and tools for inter-farm wakes characterisation and estimation of energy production losses
The downwind influence of a wind turbine or wind farm is referred to as the wake effect. This wake impacts the performance of adjacent turbines and farms over distances exceeding 50 km, affecting both energy yield and system lifetime.
The European Union has set a target of 300 GW for offshore wind deployment by 2050. This increase in capacity is anticipated to result in a much higher density of wind farms, leading to inevitable interference among them. In this context, several questions have been identified.
• Literature review of far wake modelling methods
• Selection of 2 engineering tools and 2 meso-scale tools for the benchmarking exercise
• Adoption of appropriate set of metrics and variables for the comparison exercise between the reference case and the tested simulations
• Comparison between the reference case – high-fidelity LES outputs -, the simulation outputs, and in situ observations over the North Sea
• Comparison and qualification of atmospheric stability metrics
• Mapping of atmospheric stability climatology over offshore areas of interest in France
• Definition of application cases, models set up and simulations with a focus on French maritime areas
• Investigation of the wind speed deficit and downstream distance for the recovery of mean wind speed behind the wind farms, with regard to the incoming wind characteristics and the atmospheric stability regime
• Issue of a set of recommendations regarding: capabilities and limitations of simulation tools to simulate inter-farm wakes, regional trends of the atmospheric stability regimes, and offshore wind farms planification and corresponding wake-induced losses assessment
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This projects is led France Energies Marines.
This project receives French State funding managed by the National Research Agency under the France 2030 investment plan (ANR-10-IEED-0006-34).
This project is certified by the maritime cluster Pôle Mer Bretagne Atlantique.
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