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中文摘要：
指出在对风电场功率进行超短期预测时，将风电场所有机组等值为一台机进行整体预测的不足之处，并通过预测实例的对比，验证了机组的不同布局方式对整体预测功率的影响。建立了考虑风向的风电场超短期功率预测模型，通过预测实例，证明风向对风电场整体功率出力具有较大的影响，显示出在进行风速预测的同时应进行风向预测以提高功率预测精度的重要性。
英文摘要：
The paper points out the deficiencies of the extra short-term forecast of power output of the wind farm when all of the wind turbines are considered as one equivalent machine. By contrast of the forecasting actual examples, it is proved that different layout of wind turbines has influence on the power output forecast. A model for the extra short-term forecasting wind farm power output with consideration of the wind direction is established. By actu- al example of forecast, it is proved that the wind direction has relatively large influence on the power output. This shows the importance that not only the wind speed but also the wind direction should be considered so as to increase the precision of power output forecast.
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