JING Huitian,HAN Li,GAO Zhiyu.Wind Power Ramp Forecast Based on Feature Extraction Using Convolutional Neural Network[J].Automation of Electric Power Systems,2021,45(4):98-105.
JING Huitian,HAN Li,GAO Zhiyu.Wind Power Ramp Forecast Based on Feature Extraction Using Convolutional Neural Network[J].Automation of Electric Power Systems,2021,45(4):98-105. DOI: 10.7500/AEPS20200227005.
Wind Power Ramp Forecast Based on Feature Extraction Using Convolutional Neural Network
To improve the accuracy of wind power ramp forecast
a method based on long short-term memory (LSTM) network
convolutional neural network (CNN) and attention mechanism (AM) is proposed. Wind power ramp event rarely occurs and has complex characteristics
and it is difficult for forecast model to effectively learn from small number of ramp event samples. So CNN is used to extract features in wind power time series. And the LSTM network is used to build forecasting model to solve the long-term dependence of wind power. Then AM is added to the model to weight outputs of LSTM network units to strengthen the learning of wind power features
thus improving the accuracy of ramp forecast. The simulation results show that the forecasting model has high accuracy on wind power ramp forecast.
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