基于BOMLS K-means相似小时聚类方法的短期风电预测

Gang Wang, Liang Jia
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引用次数: 4

摘要

随着世界风力发电的不断发展,风速和功率预测的准确性和稳定性对电力系统的经济运行和安全管理至关重要。该方法由混合聚类方法和集成学习方法组成。混合聚类方法结合了不等长分割和不等长分割的优点。无论长度是否相等,趋势相同的样本片段都可以聚类。通过贝叶斯算法对分割点的选择进行优化,提高了K-Means聚类的速度和效率。集成学习可以将多个弱学习器组合成一个强学习器。最后,以中国南方某风电场为例,表明基于上述方法的风电功率预测方法比单一的学习模型方法更有效。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Short-term wind power forecasting based on BOMLS K-means similar hours Clustering method
With the continuous development of wind power in the world, the accuracy and stability of wind speed and power prediction are very important for the economic operation and safety management of power system. The proposed method consists of hybrid clustering method and ensemble learning method. Hybrid clustering method combines the advantages of equal-length and unequal-length segmentation. Sample segments with the same trend can be clustered regardless of whether they are equal in length. The selection of segmentation points can be optimized by Bayesian algorithm, which can accelerate the K-Means clustering speed and efficiency. Ensemble learning can combine multiple weak learners into a strong learner. Finally, the data from a wind farm in southern China show that the wind power forecasting method based on the above method is more effective than the single learning model method.
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