Evaluation of soiling on the performance of photovoltaic systems

Detalhes bibliográficos
Autor(a) principal: Tramontin, Letícia Recco
Data de Publicação: 2024
Outros Autores: Rampinelli, Giuliano Arns
Tipo de documento: Artigo
Idioma: por
Título da fonte: The Journal of Engineering and Exact Sciences
Texto Completo: https://periodicos.ufv.br/jcec/article/view/18630
Resumo: The generation of electrical energy from photovoltaic plants in Brazil has been growing, and new challenges arise in this context. The deposition of dirt on the surface of photovoltaic modules is a significant cause of losses in electricity generation. The main objective of this study was to investigate, model, and analyze the impact of dirt on the energy performance of photovoltaic systems by measuring the gain obtained after cleaning two photovoltaic systems located in Rio Grande do Sul. Data from the inverter output of each system within a range of up to 30 days before and after the procedure were collected and processed. The same was done for the irradiation data obtained through the nearest INMET meteorological stations. It was possible to model the relationship between solar irradiation and energy produced using linear regression, with a determination coefficient close to 1, indicating a good model fit. A noticeable improvement in the power curve of the inverters was observed after cleaning the photovoltaic modules, especially in the case of system 1. Modest improvements were consistently observed in system 2. Additionally, in the case of system 1, the effect of the surrounding environment on the gains obtained was observed, with inverters closer to the metallurgical plant improving generation by up to 65%. The analyses also highlighted the influence of factors such as roof inclination and environmental conditions on solar energy production. However, it is important to acknowledge the limitations of this study, such as the lack of detailed data on climatic conditions and measurement accuracy. The analysis is based on data available in monitoring platforms, which may be subject to inaccuracies or technical limitations. These limitations underscore the need for future research to further explore the effects of cleaning photovoltaic modules.
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spelling Evaluation of soiling on the performance of photovoltaic systemsAvaliação do impacto da sujidade no desempenho de sistemas fotovoltaicosSolar energyPhotovoltaic ModuleSoilingEnergia SolarMódulo FotovoltaicoSujidadeThe generation of electrical energy from photovoltaic plants in Brazil has been growing, and new challenges arise in this context. The deposition of dirt on the surface of photovoltaic modules is a significant cause of losses in electricity generation. The main objective of this study was to investigate, model, and analyze the impact of dirt on the energy performance of photovoltaic systems by measuring the gain obtained after cleaning two photovoltaic systems located in Rio Grande do Sul. Data from the inverter output of each system within a range of up to 30 days before and after the procedure were collected and processed. The same was done for the irradiation data obtained through the nearest INMET meteorological stations. It was possible to model the relationship between solar irradiation and energy produced using linear regression, with a determination coefficient close to 1, indicating a good model fit. A noticeable improvement in the power curve of the inverters was observed after cleaning the photovoltaic modules, especially in the case of system 1. Modest improvements were consistently observed in system 2. Additionally, in the case of system 1, the effect of the surrounding environment on the gains obtained was observed, with inverters closer to the metallurgical plant improving generation by up to 65%. The analyses also highlighted the influence of factors such as roof inclination and environmental conditions on solar energy production. However, it is important to acknowledge the limitations of this study, such as the lack of detailed data on climatic conditions and measurement accuracy. The analysis is based on data available in monitoring platforms, which may be subject to inaccuracies or technical limitations. These limitations underscore the need for future research to further explore the effects of cleaning photovoltaic modules.A geração de energia elétrica a partir de usinas fotovoltaicas no Brasil tem crescido e novos desafios surgem nesse contexto. A deposição de sujeira na superfície de módulos fotovoltaicos é uma causa relevante para perdas na geração de energia elétrica. O principal objetivo deste trabalho foi estudar, modelar e analisar o impacto da sujidade no desempenho energético de sistemas fotovoltaicos, através da mensuração do ganho obtido após a limpeza de dois sistemas fotovoltaicos localizados no Rio Grande do Sul (RS). Os dados da saída do inversor de cada sistema no intervalo de até 30 dias antes e depois do procedimento foram coletados, organizados e tratados. O mesmo foi feito para os dados de irradiação obtidos através das estações meteorológicas do INMET mais próximas. Foi possível modelar a relação entre a irradiação solar e a energia produzida utilizando regressão linear, com um coeficiente de determinação próximo a 1, o que indica um bom ajuste do modelo. Observou-se uma melhoria notável na curva de potência dos inversores após a limpeza dos módulos fotovoltaicos, principalmente no caso do Sistema FV 1. A melhoria em patamares mais modestos foi consistente no Sistema FV 2. Além disso, no caso do Sistema FV 1 observou-se o efeito do entorno nos ganhos obtidos, no qual os inversores mais próximos da metalúrgica melhoraram a geração em até 65%. As análises também evidenciaram a influência de fatores como o ângulo de inclinação do telhado e condições ambientais na conversão de energia solar. No entanto, é importante reconhecer as limitações deste estudo, como a falta de dados detalhados sobre as condições meteorológicas e a precisão das medições. A análise se baseia em dados disponíveis nas plataformas de monitoramento, os quais podem estar sujeitos a imprecisões ou limitações técnicas. Essas limitações destacam a necessidade de pesquisas futuras para explorar ainda mais os efeitos da limpeza dos módulos fotovoltaicos.Universidade Federal de Viçosa - UFV2024-04-14info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicos.ufv.br/jcec/article/view/1863010.18540/jcecvl10iss3pp18630The Journal of Engineering and Exact Sciences; Vol. 10 No. 3 (2024): In progress; 18630The Journal of Engineering and Exact Sciences; Vol. 10 Núm. 3 (2024): In progress; 18630The Journal of Engineering and Exact Sciences; v. 10 n. 3 (2024): In progress ; 186302527-1075reponame:The Journal of Engineering and Exact Sciencesinstname:Universidade Federal de Viçosa (UFV)instacron:UFVporhttps://periodicos.ufv.br/jcec/article/view/18630/9582Copyright (c) 2024 The Journal of Engineering and Exact Scienceshttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessTramontin, Letícia ReccoRampinelli, Giuliano Arns2024-04-20T19:31:38Zoai:ojs.periodicos.ufv.br:article/18630Revistahttp://www.seer.ufv.br/seer/rbeq2/index.php/req2/oai2527-10752527-1075opendoar:2024-04-20T19:31:38The Journal of Engineering and Exact Sciences - Universidade Federal de Viçosa (UFV)false
dc.title.none.fl_str_mv Evaluation of soiling on the performance of photovoltaic systems
Avaliação do impacto da sujidade no desempenho de sistemas fotovoltaicos
title Evaluation of soiling on the performance of photovoltaic systems
spellingShingle Evaluation of soiling on the performance of photovoltaic systems
Tramontin, Letícia Recco
Solar energy
Photovoltaic Module
Soiling
Energia Solar
Módulo Fotovoltaico
Sujidade
title_short Evaluation of soiling on the performance of photovoltaic systems
title_full Evaluation of soiling on the performance of photovoltaic systems
title_fullStr Evaluation of soiling on the performance of photovoltaic systems
title_full_unstemmed Evaluation of soiling on the performance of photovoltaic systems
title_sort Evaluation of soiling on the performance of photovoltaic systems
author Tramontin, Letícia Recco
author_facet Tramontin, Letícia Recco
Rampinelli, Giuliano Arns
author_role author
author2 Rampinelli, Giuliano Arns
author2_role author
dc.contributor.author.fl_str_mv Tramontin, Letícia Recco
Rampinelli, Giuliano Arns
dc.subject.por.fl_str_mv Solar energy
Photovoltaic Module
Soiling
Energia Solar
Módulo Fotovoltaico
Sujidade
topic Solar energy
Photovoltaic Module
Soiling
Energia Solar
Módulo Fotovoltaico
Sujidade
description The generation of electrical energy from photovoltaic plants in Brazil has been growing, and new challenges arise in this context. The deposition of dirt on the surface of photovoltaic modules is a significant cause of losses in electricity generation. The main objective of this study was to investigate, model, and analyze the impact of dirt on the energy performance of photovoltaic systems by measuring the gain obtained after cleaning two photovoltaic systems located in Rio Grande do Sul. Data from the inverter output of each system within a range of up to 30 days before and after the procedure were collected and processed. The same was done for the irradiation data obtained through the nearest INMET meteorological stations. It was possible to model the relationship between solar irradiation and energy produced using linear regression, with a determination coefficient close to 1, indicating a good model fit. A noticeable improvement in the power curve of the inverters was observed after cleaning the photovoltaic modules, especially in the case of system 1. Modest improvements were consistently observed in system 2. Additionally, in the case of system 1, the effect of the surrounding environment on the gains obtained was observed, with inverters closer to the metallurgical plant improving generation by up to 65%. The analyses also highlighted the influence of factors such as roof inclination and environmental conditions on solar energy production. However, it is important to acknowledge the limitations of this study, such as the lack of detailed data on climatic conditions and measurement accuracy. The analysis is based on data available in monitoring platforms, which may be subject to inaccuracies or technical limitations. These limitations underscore the need for future research to further explore the effects of cleaning photovoltaic modules.
publishDate 2024
dc.date.none.fl_str_mv 2024-04-14
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://periodicos.ufv.br/jcec/article/view/18630
10.18540/jcecvl10iss3pp18630
url https://periodicos.ufv.br/jcec/article/view/18630
identifier_str_mv 10.18540/jcecvl10iss3pp18630
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://periodicos.ufv.br/jcec/article/view/18630/9582
dc.rights.driver.fl_str_mv Copyright (c) 2024 The Journal of Engineering and Exact Sciences
https://creativecommons.org/licenses/by/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2024 The Journal of Engineering and Exact Sciences
https://creativecommons.org/licenses/by/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidade Federal de Viçosa - UFV
publisher.none.fl_str_mv Universidade Federal de Viçosa - UFV
dc.source.none.fl_str_mv The Journal of Engineering and Exact Sciences; Vol. 10 No. 3 (2024): In progress; 18630
The Journal of Engineering and Exact Sciences; Vol. 10 Núm. 3 (2024): In progress; 18630
The Journal of Engineering and Exact Sciences; v. 10 n. 3 (2024): In progress ; 18630
2527-1075
reponame:The Journal of Engineering and Exact Sciences
instname:Universidade Federal de Viçosa (UFV)
instacron:UFV
instname_str Universidade Federal de Viçosa (UFV)
instacron_str UFV
institution UFV
reponame_str The Journal of Engineering and Exact Sciences
collection The Journal of Engineering and Exact Sciences
repository.name.fl_str_mv The Journal of Engineering and Exact Sciences - Universidade Federal de Viçosa (UFV)
repository.mail.fl_str_mv
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