Characterization of the Increment of the Solar Irradiation due to a Two-Axis Sun Tracker

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dc.creatorUrbano, Michael
dc.creatorGarcía, Daniel
dc.creatorMurillo, Sebastián
dc.creatorOsma-Pinto, German
dc.date2024-10-31
dc.date.accessioned2025-10-01T23:53:13Z
dc.descriptionDynamic solar tracking (1 or 2 axes) increases the performance of photovoltaic projects. Although there are studies for the tropical zone, their amount is modest and unfortunately, most of them carry on analysis between 1 and 5 days and with a sampling time of 30 minutes or more. This research aimed to characterize the increasing incident solar irradiance (every minute), and irradiation (hourly) reached by a dual-axes sun tracker located on a university building (Bucaramanga, Colombia) for a window of 42 days between December 2023 and February 2024. The methodology consisted of adjustment of the angles of inclination and orientation with steps of 30°, minute monitoring of the horizontal solar irradiance and the incident solar irradiance on a photovoltaic panel, and quantification of the net gains of irradiance and irradiation. The results showed a daily average benefit of 916.1 Wh/m2∙day (17.3 %). This characterization was done by month and range of horizontal solar irradiation ( ). The benefit increased to 25.7 % in December, 9.5 % in January, and only 13.2 % in February. Finally, it concludes that the highest average benefits occur for ≥6 kWh/m2 day (20.3 %) and the lowest for <4 kWh/m2 day (7.4 %), with losses up to 6.75 % for = 1.3-1.5 kWh/m2 day. The hourly gain exposes a convex behavior because the greater benefits occur from 7 a.m. to 10 a.m. and 3 p.m. to 5 p.m., meanwhile, they are reduced substantially near 11 a.m. and 2 p.m. Additionally, a correlation analysis was conducted using the coefficient of determination (R2) to establish the best way to estimate incident solar irradiance and irradiation on the work surface of the sun tracker.en-US
dc.descriptionEl seguimiento solar dinámico (1 o 2 ejes) permite incrementar el rendimiento de proyectos fotovoltaicos. Aunque existen estudios para la zona tropical, su cantidad es moderada e infortunadamente la mayoría de estos realizan análisis entre 1 y 5 días y con intervalos de medición de 30 minutos o más. Esta investigación tuvo como objetivo caracterizar los incrementos en la irradiancia (cada minuto) e irradiación (diaria) solar incidente logrados por un seguidor de dos ejes ubicado en una edificación universitaria (Bucaramanga, Colombia), para una ventana de 42 días entre diciembre de 2023 y febrero de 2024. La metodología consistió en el ajuste de los ángulos de inclinación y orientación con pasos de 30°, la monitorización cada minuto de las irradiancias solares horizontal e incidente sobre un panel fotovoltaico y la cuantificación de las ganancias netas de irradiancia e irradiación. Los resultados mostraron un beneficio promedio diario de 916.1 Wh/m2∙día (17.3 %). Tal caracterización se realizó por mes y rango de irradiación solar horizontal ( ). El beneficio en diciembre ascendió a 25.7 %, en enero a 19.5 % y en febrero solo a 13.2 %. Finalmente, se concluye que los mayores beneficios promedio se dan para  ≥ 6 kWh/m2 día (20.3 %) y los menores para  < 4 kWh/m2 día (7.4 %), con pérdidas de hasta 6.75 % para  = 1.3-1.5 kWh/m2∙día. La ganancia horaria expone un comportamiento convexo porque los mayores beneficios se dan entre 7 a.m. y 10 a.m. y de 3 p.m. a 5 p.m., mientras se reducen sustancialmente entre 11 a.m. y 2 p.m. Adicionalmente, se llevó a cabo un análisis de correlación a partir del coeficiente de determinación (R2) para establecer una posible manera de estimar la irradiancia e irradiación solar incidentes sobre la superficie de trabajo de seguidor solar.es-ES
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dc.identifierhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/3056
dc.identifier10.22430/22565337.3056
dc.identifier.urihttps://hdl.handle.net/20.500.12622/7907
dc.languagespa
dc.publisherInstituto Tecnológico Metropolitano (ITM)es-ES
dc.relationhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/3056/3408
dc.relationhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/3056/3490
dc.relationhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/3056/3504
dc.relationhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/3056/3514
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dc.rightsDerechos de autor 2024 TecnoLógicases-ES
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/4.0es-ES
dc.sourceTecnoLógicas; Vol. 27 No. 61 (2024); e3056en-US
dc.sourceTecnoLógicas; Vol. 27 Núm. 61 (2024); e3056es-ES
dc.source2256-5337
dc.source0123-7799
dc.subjectirradiación solares-ES
dc.subjectzona tropicales-ES
dc.subjectseguidor solares-ES
dc.subjectganancia solares-ES
dc.subjectcoeficiente de determinaciónes-ES
dc.subjectsolar irradiationen-US
dc.subjecttropical zoneen-US
dc.subjectsolar trackeren-US
dc.subjectsolar gainen-US
dc.subjectcoefficient of determinationen-US
dc.titleCharacterization of the Increment of the Solar Irradiation due to a Two-Axis Sun Trackeren-US
dc.titleCaracterización del incremento de la irradiación solar debido a un seguidor solar de dos ejeses-ES
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typeResearch Papersen-US
dc.typeArtículos de investigaciónes-ES

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