A hybrid prediction model for photovoltaic power generation based on information entropy

Abstract Photovoltaic power is affected by various random and coupled meteorological factors, and its changing trend implies the non‐linear effects of these factors. According to the quantitative analysis results, a statistical prediction model is proposed to accurately predict the power, which is o...

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Main Authors: Shiping Pu, Zhiyong Li, Hui Wan, Yougen Chen
Format: Article
Language:English
Published: Wiley 2021-02-01
Series:IET Generation, Transmission & Distribution
Subjects:
Online Access:https://doi.org/10.1049/gtd2.12032
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author Shiping Pu
Zhiyong Li
Hui Wan
Yougen Chen
author_facet Shiping Pu
Zhiyong Li
Hui Wan
Yougen Chen
author_sort Shiping Pu
collection DOAJ
description Abstract Photovoltaic power is affected by various random and coupled meteorological factors, and its changing trend implies the non‐linear effects of these factors. According to the quantitative analysis results, a statistical prediction model is proposed to accurately predict the power, which is of great significance to the safe and efficient use of solar energy. In this study, the authors first use grey relation analysis to select four main meteorological factors affecting photovoltaic power. Further, they combine grey relation analysis with information entropy and apply grey relation entropy to similar day analysis. On this basis, they take grey relation analysis to optimise extreme learning machine model to establish the grey relation analysis‐extreme learning machine model, while taking similar day analysis to optimise firefly algorithm to establish the similar day analysis‐firefly algorithm. By combining the two sub‐models with information entropy, a hybrid prediction model for photovoltaic power generation based on information entropy is proposed. The experimental results show that in various weather conditions, the values of mean absolute percentage error, root mean square error and standard deviation of error are 2.8425%, 2.5675 and 2.2642, respectively. Therefore, the proposed hybrid model has superior prediction performance.
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spelling doaj.art-0ce841b5a0344aa383d06d2a32b65fba2022-12-22T03:47:34ZengWileyIET Generation, Transmission & Distribution1751-86871751-86952021-02-0115343645510.1049/gtd2.12032A hybrid prediction model for photovoltaic power generation based on information entropyShiping Pu0Zhiyong Li1Hui Wan2Yougen Chen3School of Automation Central South University Changsha ChinaSchool of Automation Central South University Changsha ChinaSchool of Automation Central South University Changsha ChinaSchool of Automation Central South University Changsha ChinaAbstract Photovoltaic power is affected by various random and coupled meteorological factors, and its changing trend implies the non‐linear effects of these factors. According to the quantitative analysis results, a statistical prediction model is proposed to accurately predict the power, which is of great significance to the safe and efficient use of solar energy. In this study, the authors first use grey relation analysis to select four main meteorological factors affecting photovoltaic power. Further, they combine grey relation analysis with information entropy and apply grey relation entropy to similar day analysis. On this basis, they take grey relation analysis to optimise extreme learning machine model to establish the grey relation analysis‐extreme learning machine model, while taking similar day analysis to optimise firefly algorithm to establish the similar day analysis‐firefly algorithm. By combining the two sub‐models with information entropy, a hybrid prediction model for photovoltaic power generation based on information entropy is proposed. The experimental results show that in various weather conditions, the values of mean absolute percentage error, root mean square error and standard deviation of error are 2.8425%, 2.5675 and 2.2642, respectively. Therefore, the proposed hybrid model has superior prediction performance.https://doi.org/10.1049/gtd2.12032Solar power stations and photovoltaic power systemsOptimisation techniquesInterpolation and function approximation (numerical analysis)Optimisation techniquesInterpolation and function approximation (numerical analysis)Combinatorial mathematics
spellingShingle Shiping Pu
Zhiyong Li
Hui Wan
Yougen Chen
A hybrid prediction model for photovoltaic power generation based on information entropy
IET Generation, Transmission & Distribution
Solar power stations and photovoltaic power systems
Optimisation techniques
Interpolation and function approximation (numerical analysis)
Optimisation techniques
Interpolation and function approximation (numerical analysis)
Combinatorial mathematics
title A hybrid prediction model for photovoltaic power generation based on information entropy
title_full A hybrid prediction model for photovoltaic power generation based on information entropy
title_fullStr A hybrid prediction model for photovoltaic power generation based on information entropy
title_full_unstemmed A hybrid prediction model for photovoltaic power generation based on information entropy
title_short A hybrid prediction model for photovoltaic power generation based on information entropy
title_sort hybrid prediction model for photovoltaic power generation based on information entropy
topic Solar power stations and photovoltaic power systems
Optimisation techniques
Interpolation and function approximation (numerical analysis)
Optimisation techniques
Interpolation and function approximation (numerical analysis)
Combinatorial mathematics
url https://doi.org/10.1049/gtd2.12032
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