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电网技术  2007 

基于自组织映射支持向量机的日前电价预测

, PP. 15-18

Keywords: 电力市场,电价预测,支持向量机,自组织映射,子空间

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Abstract:

针对电力市场中日前24点电价特性差异较大、采用单一模型很难描述的特点,建立多个模型分别对其进行预测,将数据空间按时点划分成24个子空间,然后根据这些子空间的相似性通过自组织映射对其进行自动聚类,并在不同类别的子空间分别建立支持向量机模型进行训练和预测。应用上述方法对PJM电力市场2005年8月的31天日前24点电价进行预测,结果表明该方法能够有效提高预测精度。

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