<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0123-7799</journal-id>
<journal-title><![CDATA[TecnoLógicas]]></journal-title>
<abbrev-journal-title><![CDATA[TecnoL.]]></abbrev-journal-title>
<issn>0123-7799</issn>
<publisher>
<publisher-name><![CDATA[Instituto Tecnológico Metropolitano - ITM]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0123-77992024000300200</article-id>
<article-id pub-id-type="doi">10.22430/22565337.3056</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caracterización del incremento de la irradiación solar debido a un seguidor solar de dos ejes]]></article-title>
<article-title xml:lang="en"><![CDATA[Characterization of the Increment of the Solar Irradiation due to a Two-Axis Sun Tracker]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Urbano]]></surname>
<given-names><![CDATA[Michael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Murillo]]></surname>
<given-names><![CDATA[Sebastián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Osma-Pinto]]></surname>
<given-names><![CDATA[German]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Industrial de Santander  ]]></institution>
<addr-line><![CDATA[Bucaramanga ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Industrial de Santander  ]]></institution>
<addr-line><![CDATA[Bucaramanga ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Industrial de Santander  ]]></institution>
<addr-line><![CDATA[Bucaramanga ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Industrial de Santander  ]]></institution>
<addr-line><![CDATA[Bucaramanga ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<volume>27</volume>
<numero>61</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0123-77992024000300200&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0123-77992024000300200&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0123-77992024000300200&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El 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&#8729;día (17.3 %). Tal caracterización se realizó por mes y rango de irradiación solar horizontal (H  h ). 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 H  h &#8805; 6 kWh/m2día (20.3 %) y los menores para H  h &lt; 4 kWh/m2día (7.4 %), con pérdidas de hasta 6.75 % para H  h = 1.3-1.5 kWh/m2&#8729;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.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Dynamic 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&#8729;day (17.3 %). This characterization was done by month and range of horizontal solar irradiation (H  h ). 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 H  h &#8805;6 kWh/m2day (20.3 %) and the lowest for H  h &lt;4 kWh/m2day (7.4 %), with losses up to 6.75 % for H  h = 1.3-1.5 kWh/m2day. 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.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Irradiación solar]]></kwd>
<kwd lng="es"><![CDATA[zona tropical]]></kwd>
<kwd lng="es"><![CDATA[seguidor solar]]></kwd>
<kwd lng="es"><![CDATA[ganancia solar]]></kwd>
<kwd lng="es"><![CDATA[coeficiente de determinación]]></kwd>
<kwd lng="en"><![CDATA[Solar irradiation]]></kwd>
<kwd lng="en"><![CDATA[tropical zone]]></kwd>
<kwd lng="en"><![CDATA[solar tracker]]></kwd>
<kwd lng="en"><![CDATA[solar gain]]></kwd>
<kwd lng="en"><![CDATA[coefficient of determination]]></kwd>
</kwd-group>
</article-meta>
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