Evaluation of the bifaciality coefficient of bifacial photovoltaic modules under real operating conditions

Among the parameters that define a bifacial photovoltaic module, the bifaciality coefficients indicate the rear and front side ratio of the most representative IV curve points of a photovoltaic panel, that is, Isc, Voc and Pm. However, these parameters are defined under the ideal Standard Test Condi...

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Autores: Muñoz-Cerón, Emilio, Moreno-Buesa, Sergio, Leloux, Jonathan, Aguilera-Tejero, Jorge, Moser, David
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2024
País:España
Institución:Universidad de Jaén
Repositorio:RUJA. Repositorio Institucional de la Producción Científica de la Universidad de Jaén
OAI Identifier:oai:ruja.ujaen.es:10953/2676
Acceso en línea:https://www.sciencedirect.com/science/article/pii/S0959652623039653?via%3Dihub
https://hdl.handle.net/10953/2676
Access Level:acceso abierto
Palabra clave:Bifacial
Photovoltaics
Bifaciality
Outdoors
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spelling Evaluation of the bifaciality coefficient of bifacial photovoltaic modules under real operating conditionsMuñoz-Cerón, EmilioMoreno-Buesa, SergioLeloux, JonathanAguilera-Tejero, JorgeMoser, DavidBifacialPhotovoltaicsBifacialityOutdoorsAmong the parameters that define a bifacial photovoltaic module, the bifaciality coefficients indicate the rear and front side ratio of the most representative IV curve points of a photovoltaic panel, that is, Isc, Voc and Pm. However, these parameters are defined under the ideal Standard Test Conditions (STC). Therefore, to provide a realistic insight regarding the performance of bifacial modules, it is necessary to evaluate these coefficients under real operating conditions. For such purpose, an outdoor campaign was performed to experimentally measure the maximum power bifaciality coefficient of two modified bifacial modules that resemble a rear and a front monofacial panel respectively. As a first result, if the measurements are translated to STC, using a linear approximation, the bifaciality matches the value indicated by the manufacturer. Additionally, the operating bifaciality coefficient shows a linear decrease trend, proportional to the irradiance level decrease. This result implies that on cloudy days, the average bifaciality factor is below the corresponding one from sunny days. Finally, for irradiances below 200 W/m2, there is a non-linear increase in the bifaciality, with greater values than the corresponding to the ideal STC conditions, which presumably are caused by the non-linearity performance of photovoltaic modules at low irradiances.This work has been possible thanks to the project “Demo_BI-FV: Development of Advanced Models for the characterization of bifacial photovoltaic systems (PID2021-124161OB-I00)” funded by the Spanish Ministry of Science and the State Innovation Agency within the European Regional Development Fund (MCIN/AEI/10.13039/501100011033/FEDER, UE). The work of Jonathan Leloux was partially funded by the European Commission through the Horizon 2020 project SERENDI-PV (https://serendipv.eu/), which belongs to the Research and Innovation Programme, under Grant Agreement 953016. The work of David Moser was partially funded by the European Commission through the Horizon 2020 project TRUST-PV, which belongs to the Research and Innovation Programme, under Grant Agreement 952957Elsevier202420242024info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.sciencedirect.com/science/article/pii/S0959652623039653?via%3Dihubhttps://hdl.handle.net/10953/2676reponame:RUJA. Repositorio Institucional de la Producción Científica de la Universidad de Jaéninstname:Universidad de JaénInglésJournal of Cleaner Production Volume 434, 1 January 2024, 139807Atribución-NoComercial-SinDerivadas 3.0 Españahttp://creativecommons.org/licenses/by-nc-nd/3.0/es/info:eu-repo/semantics/openAccessoai:ruja.ujaen.es:10953/26762026-06-24T12:41:07Z
dc.title.none.fl_str_mv Evaluation of the bifaciality coefficient of bifacial photovoltaic modules under real operating conditions
title Evaluation of the bifaciality coefficient of bifacial photovoltaic modules under real operating conditions
spellingShingle Evaluation of the bifaciality coefficient of bifacial photovoltaic modules under real operating conditions
Muñoz-Cerón, Emilio
Bifacial
Photovoltaics
Bifaciality
Outdoors
title_short Evaluation of the bifaciality coefficient of bifacial photovoltaic modules under real operating conditions
title_full Evaluation of the bifaciality coefficient of bifacial photovoltaic modules under real operating conditions
title_fullStr Evaluation of the bifaciality coefficient of bifacial photovoltaic modules under real operating conditions
title_full_unstemmed Evaluation of the bifaciality coefficient of bifacial photovoltaic modules under real operating conditions
title_sort Evaluation of the bifaciality coefficient of bifacial photovoltaic modules under real operating conditions
dc.creator.none.fl_str_mv Muñoz-Cerón, Emilio
Moreno-Buesa, Sergio
Leloux, Jonathan
Aguilera-Tejero, Jorge
Moser, David
author Muñoz-Cerón, Emilio
author_facet Muñoz-Cerón, Emilio
Moreno-Buesa, Sergio
Leloux, Jonathan
Aguilera-Tejero, Jorge
Moser, David
author_role author
author2 Moreno-Buesa, Sergio
Leloux, Jonathan
Aguilera-Tejero, Jorge
Moser, David
author2_role author
author
author
author
dc.subject.none.fl_str_mv Bifacial
Photovoltaics
Bifaciality
Outdoors
topic Bifacial
Photovoltaics
Bifaciality
Outdoors
description Among the parameters that define a bifacial photovoltaic module, the bifaciality coefficients indicate the rear and front side ratio of the most representative IV curve points of a photovoltaic panel, that is, Isc, Voc and Pm. However, these parameters are defined under the ideal Standard Test Conditions (STC). Therefore, to provide a realistic insight regarding the performance of bifacial modules, it is necessary to evaluate these coefficients under real operating conditions. For such purpose, an outdoor campaign was performed to experimentally measure the maximum power bifaciality coefficient of two modified bifacial modules that resemble a rear and a front monofacial panel respectively. As a first result, if the measurements are translated to STC, using a linear approximation, the bifaciality matches the value indicated by the manufacturer. Additionally, the operating bifaciality coefficient shows a linear decrease trend, proportional to the irradiance level decrease. This result implies that on cloudy days, the average bifaciality factor is below the corresponding one from sunny days. Finally, for irradiances below 200 W/m2, there is a non-linear increase in the bifaciality, with greater values than the corresponding to the ideal STC conditions, which presumably are caused by the non-linearity performance of photovoltaic modules at low irradiances.
publishDate 2024
dc.date.none.fl_str_mv 2024
2024
2024
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://www.sciencedirect.com/science/article/pii/S0959652623039653?via%3Dihub
https://hdl.handle.net/10953/2676
url https://www.sciencedirect.com/science/article/pii/S0959652623039653?via%3Dihub
https://hdl.handle.net/10953/2676
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Journal of Cleaner Production Volume 434, 1 January 2024, 139807
dc.rights.none.fl_str_mv Atribución-NoComercial-SinDerivadas 3.0 España
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Atribución-NoComercial-SinDerivadas 3.0 España
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:RUJA. Repositorio Institucional de la Producción Científica de la Universidad de Jaén
instname:Universidad de Jaén
instname_str Universidad de Jaén
reponame_str RUJA. Repositorio Institucional de la Producción Científica de la Universidad de Jaén
collection RUJA. Repositorio Institucional de la Producción Científica de la Universidad de Jaén
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,812429

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