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文章摘要
基于改进自适应构造区间法的电力负荷区间预测
Power Load Interval Prediction Based On Improved Adaptively Constructed Interval Optimization Method
Received:November 15, 2021
Revised:November 29, 2021
DOI:
10.19753/j.issn1001-1390.2022.11.005
中文关键词
:
构造区间
门控循环单元
区间预测
PID策略
英文关键词
:
?Constructed intervals, Gate Recurrent Unit (GRU), Interval prediction, PID strategy
基金项目
:
浙江省重点研发计划(2021C01113);国家自然科学基金资助项目(51777182)
Author Name
Affiliation
E-mail
Lu Chenbin
Polytechnic Institute
,
Zhejiang University
22060122@zju.edu.cn
Bao Zhejing
*
College of Electrical Engineering
,
Zhejiang University
zjbao@zju.edu.cn
Yu miao
College of Electrical Engineering
,
Zhejiang University
zjuyumiao@zju.edu.cn
Cai Changchun
College of the Internet of Things Engineering
,
Hohai University
20031690@hhu.edu.cn
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中文摘要
:
短期电力负荷具有较强的随机性与波动性,电力系统的经济运行对精确负荷预测提出了越来越高的要求。针对近年提出的基于GRU(Gate Recurrent Unit)模型的自适应优化构造区间的方法,文中进行了两点改进,提出了一种基于改进自适应构造区间的电力负荷区间预测方法。除了区间覆盖率PICP(Prediction Interval Coverage Probability)之外,将区间预测中的重要指标平均区间宽度PINAW(Prediction Interval Normalized Average Width)加入到自适应构造区间的调整策略中;同时基于PID思想,在自适应构造区间的调整策略中考虑了PICP和PINAW的一阶和二阶差分,对训练过程进行改进。基于澳大利亚新南威尔士AEMO(Australian Energy Market Operator)的历史负荷数据,进行了两种方法的对比验证,结果表明改进的区间预测方法能够得到更高质量的预测区间。
英文摘要
:
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