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电网技术  2009 

基于负荷分解和实时气象因素的短期负荷预测

, PP. 110-117

Keywords: 短期负荷预测,实时气象因素,负荷分解,气象敏感负荷,神经网络

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Abstract:

根据地区气象与负荷的相关关系,从总负荷中分解出对气象不敏感的基础负荷和受气象因素影响的气象敏感负荷,并分别采用灰色系统GM(1,1)模型和基于LMBP(Levernberg–Marquardtbackpropagation)算法的多层前馈神经网络对二者进行建模预测。在对实时气象因素、日特征气象因素与气象敏感负荷相关性分析的基础上,重点把握某些气象因素与气象敏感负荷之间的联系。通过合理选择神经网络的输入变量,实现了基于实时气象因素的短期负荷预测。实际应用证明了所提出方法的有效性。

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