Forecast Method of Distributed Photovoltaic Power Generation Based on EM-WS-CNN Neural Networks

In order to cope with the challenges of dispatching of power grids brought by large-scale distributed photovoltaic power generation related to production and consumers, a maximum expected sample weighted convolutional neural network (EM-WS-CNN) is proposed to forecast the distributed photovoltaic ou...

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Main Authors: Ruanming Huang, Xiaohui Wang, Fei Fei, Haoen Li, Enqi Wu
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-05-01
Series:Frontiers in Energy Research
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fenrg.2022.902722/full
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author Ruanming Huang
Xiaohui Wang
Fei Fei
Haoen Li
Enqi Wu
author_facet Ruanming Huang
Xiaohui Wang
Fei Fei
Haoen Li
Enqi Wu
author_sort Ruanming Huang
collection DOAJ
description In order to cope with the challenges of dispatching of power grids brought by large-scale distributed photovoltaic power generation related to production and consumers, a maximum expected sample weighted convolutional neural network (EM-WS-CNN) is proposed to forecast the distributed photovoltaic output. First, the distance correlation coefficient and the principal component analysis method are used to extract the comprehensive meteorological factors from the original meteorological data, and then the 6 statistical indexes of the comprehensive meteorological factors and historical power data are used as the clustering characteristics. The historical data are divided into different weather types by using the maximum expectation clustering, and the training samples are weighted based on the membership matrix. Finally, the weighted training data are used to construct the EM-WS-CNN model. In the experimental analysis, the above-mentioned method is compared with the CNN model, and the results show that the proposed method has higher accuracy and robustness.
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spelling doaj.art-70735d1a7dfb4650911b9d8ac83f0d5b2022-12-22T03:23:45ZengFrontiers Media S.A.Frontiers in Energy Research2296-598X2022-05-011010.3389/fenrg.2022.902722902722Forecast Method of Distributed Photovoltaic Power Generation Based on EM-WS-CNN Neural NetworksRuanming HuangXiaohui WangFei FeiHaoen LiEnqi WuIn order to cope with the challenges of dispatching of power grids brought by large-scale distributed photovoltaic power generation related to production and consumers, a maximum expected sample weighted convolutional neural network (EM-WS-CNN) is proposed to forecast the distributed photovoltaic output. First, the distance correlation coefficient and the principal component analysis method are used to extract the comprehensive meteorological factors from the original meteorological data, and then the 6 statistical indexes of the comprehensive meteorological factors and historical power data are used as the clustering characteristics. The historical data are divided into different weather types by using the maximum expectation clustering, and the training samples are weighted based on the membership matrix. Finally, the weighted training data are used to construct the EM-WS-CNN model. In the experimental analysis, the above-mentioned method is compared with the CNN model, and the results show that the proposed method has higher accuracy and robustness.https://www.frontiersin.org/articles/10.3389/fenrg.2022.902722/fulldistributed generationphotovoltaic power generation forecastEM-WS-CNNneural networkprosumer
spellingShingle Ruanming Huang
Xiaohui Wang
Fei Fei
Haoen Li
Enqi Wu
Forecast Method of Distributed Photovoltaic Power Generation Based on EM-WS-CNN Neural Networks
Frontiers in Energy Research
distributed generation
photovoltaic power generation forecast
EM-WS-CNN
neural network
prosumer
title Forecast Method of Distributed Photovoltaic Power Generation Based on EM-WS-CNN Neural Networks
title_full Forecast Method of Distributed Photovoltaic Power Generation Based on EM-WS-CNN Neural Networks
title_fullStr Forecast Method of Distributed Photovoltaic Power Generation Based on EM-WS-CNN Neural Networks
title_full_unstemmed Forecast Method of Distributed Photovoltaic Power Generation Based on EM-WS-CNN Neural Networks
title_short Forecast Method of Distributed Photovoltaic Power Generation Based on EM-WS-CNN Neural Networks
title_sort forecast method of distributed photovoltaic power generation based on em ws cnn neural networks
topic distributed generation
photovoltaic power generation forecast
EM-WS-CNN
neural network
prosumer
url https://www.frontiersin.org/articles/10.3389/fenrg.2022.902722/full
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AT feifei forecastmethodofdistributedphotovoltaicpowergenerationbasedonemwscnnneuralnetworks
AT haoenli forecastmethodofdistributedphotovoltaicpowergenerationbasedonemwscnnneuralnetworks
AT enqiwu forecastmethodofdistributedphotovoltaicpowergenerationbasedonemwscnnneuralnetworks