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首页> 美国政府科技报告 >Atmospheric Stability Impacts on Power Curves of Tall Wind Turbines-An Analysis of a West Coast North American Wind Farm
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Atmospheric Stability Impacts on Power Curves of Tall Wind Turbines-An Analysis of a West Coast North American Wind Farm

机译：大气稳定性对高风力发电机功率曲线的影响 - 对西海岸北美风电场的分析

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Tall wind turbines, with hub heights at 80 m or above, can extract large amounts of energy from the atmosphere because they are likely to encounter higher wind speeds, but they face challenges given the complex nature of wind flow and turbulence at these heights in the boundary layer. Depending on whether the boundary layer is stable, neutral, or convective, the mean wind speed, direction, and turbulence properties may vary greatly across the tall turbine swept area (40 to 120 m AGL). This variability can cause tall turbines to produce difference amounts of power during time periods with identical hub height wind speeds. Using meteorological and power generation data from a West Coast North American wind farm over a one-year period, our study synthesizes standard wind park observations, such as wind speed from turbine nacelles and sparse meteorological tower observations, with high-resolution profiles of wind speed and turbulence from a remote sensing platform, to quantify the impact of atmospheric stability on power output.

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