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Brief communication Spatial and temporal variation of wind power at hub height over Europe

机译:简报欧洲中心高度的风能时空变化

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摘要

Wind power over Europe computed from two years of the new 100 m wind product from ECMWF at 16 km horizontal resolution is 20% of maximum capacity of an exemplary wind turbine power curve. This is five percent of maximum capacity less than extrapolated from 10 m winds using model roughness in the logarithmic law, but eight percent more than multiplying 10 m winds by a constant factor of 1.28 as in a previous study. The result from the new data set happens to be very close to the actual capacity factor of 21% for European wind turbines (Boccard, 2009). The capacity factor in high power regions between 50 and 58° N and most of northernmost Africa is almost 30%. The aggregation of wind power over Europe smooths onshore day-to-day fluctuations to at most 7 percentage points during 80% of the year.
机译:欧洲风力发电量是从ECMWF在16 km的水平分辨率下新的100 m风力产品的两年计算得出的,是示例性风力发电机功率曲线最大容量的20%。这是对数定律中使用模型粗糙度从10 m风中推算得出的最大容量的百分之五,但比以前的研究中将10 m风乘以1.28的常数因子多出百分之八。新数据集的结果恰好非常接近欧洲风力涡轮机的实际容量系数21%(Boccard,2009)。在50至58°N之间的大功率地区以及非洲最北端的大部分地区,容量系数几乎为30%。欧洲的风电总量在一年中的80%期间将陆上日常波动降低至最多7个百分点。

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