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1.河海大学能源与电气学院,江苏省南京市 211100
2.国网江苏省电力有限公司淮安供电分公司,江苏省淮安市 223002
秦川(1981—),男,通信作者,博士,副教授,主要研究方向:电力系统分析与控制。E-mail:cqin@hhu.edu.cn
丁鹏飞(1997—),男,硕士研究生,主要研究方向:母线负荷成分分析。E-mail:1209451912@qq.com
刘波(1995—),男,工程师,主要研究方向:地区负荷功率模型。E-mail:bliu1995@163.com
收稿:2021-05-24,
修回:2021-08-23,
网络出版:2021-10-26,
纸质出版:2022-03-25
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秦川,丁鹏飞,刘波等.计及气象累积效应的特征解耦峰荷预测模型[J].电力系统自动化,2022,46(6):66-72.
QIN Chuan,DING Pengfei,LIU Bo,et al.Feature Decoupling Peak-load Forecasting Model Considering Meteorological Cumulative Effect[J].Automation of Electric Power Systems,2022,46(6):66-72.
秦川,丁鹏飞,刘波等.计及气象累积效应的特征解耦峰荷预测模型[J].电力系统自动化,2022,46(6):66-72. DOI: 10.7500/AEPS20210524009.
QIN Chuan,DING Pengfei,LIU Bo,et al.Feature Decoupling Peak-load Forecasting Model Considering Meteorological Cumulative Effect[J].Automation of Electric Power Systems,2022,46(6):66-72. DOI: 10.7500/AEPS20210524009.
夏季峰荷是电力部门的关注焦点,温度累积效应对于夏季峰荷预测具有重要影响。为此,提出一种计及气象累积效应的特征解耦峰荷预测模型。建立具有3个输入分支的深度神经网络模型,从结构上对输入特征实现解耦,称为特征解耦模型。3个分支分别以时间特征、负荷特征、气象特征为输入,其中负荷分支、气象分支应用了长短期记忆(LSTM)网络隐藏层并基于LSTM网络的时序处理能力能对负荷及气象序列进行处理来反映累积效应,进而应用于峰荷预测。最后,通过实例分析,与温度修正等常规方法进行对比,验证了特征解耦模型更适合于计及气象累积效应的峰荷预测。
The summer peak-load is the focus of the power industry
and temperature cumulative effect has an important impact on the summer peak-load forecasting. Therefore
a feature decoupling peak-load forecasting model considering meteorological cumulative effect is proposed. The deep neural network model with three input branches is established to realize the decoupling of input features from the structure
which is called feature decoupling model. The three branches take the time feature
load feature and meteorological feature as the input
respectively. The branches for the load and meteorology apply the hidden layer of the long short-term memory (LSTM) network. The load and meteorological sequences are processed based on the time sequence processing ability of LSTM network to the reflect cumulative effect
and then apply it to the peak-load forecasting. Finally
through case analysis and comparison with conventional methods such as temperature correction method
it is verified that the feature decoupling model is more suitable for peak-load forecasting considering cumulative effect.
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