基于模糊C-均值聚类分析与BP网络的短期负荷预测

李芹; 许强; 吴琼

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上海电力大学学报:2005,21(4):321-324

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基于模糊C-均值聚类分析与BP网络的短期负荷预测

李芹¹, 许强², 吴琼¹

(1.上海电力学院电力与自动化工程学院, 上海 200090;2.重庆工商大学计算机科学与信息工程学院, 重庆 400067)

The Short-term Load Forcast Using C-means Clustering and BP Network

LI Qin¹, XU Qiang², WU Qiong¹

(1.School of Electric Power and Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China;2.Computer Science and Information Engineering College, Chongqing Technology and Business University, Chongqing 400067, China)

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本文已被：浏览 974次下载 446次
投稿时间：2005-07-15

中文摘要: 提出了一种基于模糊C-均值聚类分析与BP(Back-propagation)网络的短期负荷预测方法.通过模糊C-均值聚类分析将历史负荷数据分成若干类,建立相应的BP网络模型,用LM(Levenberg-M arquardt)优化法进行训练.找出与预测日相符的BP网络,预测一天中96点的负荷.实际负荷预测结果表明,该方法具有较好的训练速度和较高的预测精度.

中文关键词: 短期负荷预测 BP网络电力系统模糊C-均值聚类

Abstract:This paper presents a short-term load forecasting method using fuzzy c-means clustering analysis and BP neural network.The historical load data are divided into several categories using fuzzy c-means clustering analysis, the corresponding BP neural network is built and then the Levenberg-Marquardt optimization to train the network is empleyed.The category coincident is found out with that of the daily load to be forecasted, and then the 96 points daily load is forecast with the corresponding BP network.The actual load forecasting results shows that the proposed method possesses faster training speed and greater forecasting accuracy.

keywords: short-term load forecasting BP network power system fuzzy c-means clustering

文章编号：20050408 中图分类号： 文献标志码：

基金项目:上海电力学院青年教师科研基金项目(F03010)

作者	单位
李芹	上海电力学院电力与自动化工程学院, 上海 200090
许强	重庆工商大学计算机科学与信息工程学院, 重庆 400067
吴琼	上海电力学院电力与自动化工程学院, 上海 200090

Author Name	Affiliation
LI Qin	School of Electric Power and Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China
XU Qiang	Computer Science and Information Engineering College, Chongqing Technology and Business University, Chongqing 400067, China
WU Qiong	School of Electric Power and Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China

引用文本：
李芹,许强,吴琼.基于模糊C-均值聚类分析与BP网络的短期负荷预测[J].上海电力大学学报,2005,21(4):321-324.
LI Qin,XU Qiang,WU Qiong.The Short-term Load Forcast Using C-means Clustering and BP Network[J].Journal of Shanghai University of Electric Power,2005,21(4):321-324.