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Application of Improved Grey GM (1, 1) Model in Power Prediction of Wind Farm

机译:改进的灰色GM(1,1)模型在风电场功率预测中的应用

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In this paper, the grey model is used to study the output power prediction of wind farms. Using logarithmic transformation and exact exponential fitting method, the output power prediction models of wind farms are established respectively. According to the output power data of a wind farm in one day, we fit and give the power prediction value. The accuracy of the two models and the traditional models is tested respectively. The results show that the prediction results of the precise exponential fitting method are better than those of the traditional GM (1,1) model and logarithmic transformation method. Therefore, the precise exponential fitting method has more extensive application value.
机译:本文采用灰色模型对风电场的输出功率进行了预测。采用对数变换和精确指数拟合的方法,分别建立了风电场的输出功率预测模型。根据一天中风电场的输出功率数据,我们拟合并给出功率预测值。分别测试了两个模型和传统模型的准确性。结果表明,精确指数拟合方法的预测结果优于传统的GM(1,1)模型和对数变换方法。因此,精确的指数拟合方法具有更广泛的应用价值。

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