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Modelling Wind for Wind Farm Layout Optimization Using Joint Distribution of Wind Speed and Wind Direction

机译：利用风速和风向的联合分布为风电场布局优化建模风

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摘要

Reliable wind modelling is of crucial importance for wind farm development. The common practice of using sector-wise Weibull distributions has been found inappropriate for wind farm layout optimization. In this study, we propose a simple and easily implementable method to construct joint distributions of wind speed and wind direction, which is based on the parameters of sector-wise Weibull distributions and interpolations between direction sectors. It is applied to the wind measurement data at Horns Rev and three different joint distributions are obtained, which all fit the measurement data quite well in terms of the coefficient of determination R2. Then, the best of these joint distributions is used in the layout optimization of the Horns Rev 1 wind farm and the choice of bin sizes for wind speed and wind direction is also investigated. It is found that the choice of bin size for wind direction is especially critical for layout optimization and the recommended choice of bin sizes for wind speed and wind direction is finally presented.
机译：可靠的风模型对于风电场的发展至关重要。已经发现，使用按部门划分的威布尔分布的常规做法不适用于风电场布局优化。在这项研究中，我们提出了一种简单且易于实现的方法来构造风速和风向的联合分布，该方法基于扇区式Weibull分布的参数以及方向扇区之间的插值。将其应用于Horns Rev处的测风数据，得到三种不同的联合分布，它们在确定系数R 2 方面都非常适合测量数据。然后，将这些最佳的联合分布用于Horns Rev 1风电场的布局优化中，并研究风速和风向的箱尺寸选择。发现风向的箱尺寸的选择对于布局优化特别关键，并且最终提出了风速和风向的箱尺寸的推荐选择。

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