Inproceedings,

Coherence and Wakes in Wind Models for Electromechanical and Power Systems Standard Simulations

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(2006)

Abstract

Time domain wind turbine simulation needs two kinds of wind models: a detailed three-dimensional vector field associated with computational fluid dynamics in order to assess mechanical stress, aerodynamic design, and an equivalent rotor wind model for electromechanical behaviour and power flow analysis. The paper focuses its attention in the second class. The most important parameters to be taken into consideration in wind modelling are: the frequency spectrum model, gust occurrence probability, operation under wakes and the coherence inside the wind farm. From a single turbine operation to a large wind farm different models are analyzed and their validity is discussed.

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