山东大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (6): 52-56.doi: 10.6040/j.issn.1672-3961.0.2017.376
李笋1,王超2,张桂林3*,徐志根2,程涛2,王义元2,王瑞琪1
LI Sun1, WANG Chao2, ZHANG Guilin3*, XU Zhigen2, CHENG Tao2, WANG Yiyuan2, WANG Ruiqi1
摘要: 对短期负荷特性进行分析,选取与负荷相关的气象因素、日期类型、前几日负荷作为最大(最小)负荷预测回归模型的输入。夏冬两季休息日的负荷特性与春秋两季不一致,根据气象因素修正日期类型对应的数值。采用最小二乘支持向量机(least squares support vector machine, LSSVM)建立气象因素和日期类型与最大(最小)负荷的映射关系。利用相似日法计算日负荷变化系数,在预测最大负荷和最小负荷基础上,计算预测日各点负荷。算例分析验证了本研究预测模型的有效性。
中图分类号:
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