<?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>0120-6230</journal-id>
<journal-title><![CDATA[Revista Facultad de Ingeniería Universidad de Antioquia]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.fac.ing.univ. Antioquia]]></abbrev-journal-title>
<issn>0120-6230</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Ingeniería, Universidad de Antioquia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-62302020000100043</article-id>
<article-id pub-id-type="doi">10.17533/udea.redin.20190521</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Analysis of the influence of DC optimizers on photovoltaic production]]></article-title>
<article-title xml:lang="es"><![CDATA[Análisis de la influencia de optimizadores DC en la producción fotovoltaica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Callejo]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gallardo-Saavedra]]></surname>
<given-names><![CDATA[Sara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Diez-Cercadillo]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alonso-Gómez]]></surname>
<given-names><![CDATA[Víctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Valladolid Departamento Ingeniería Agrícola y Forestal ]]></institution>
<addr-line><![CDATA[Soria ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<numero>94</numero>
<fpage>43</fpage>
<lpage>55</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-62302020000100043&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-62302020000100043&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-62302020000100043&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Energy efficiency is a key element in the Smart Cities (SC), in which integration of renewable sources is a reality. Small-scale integration is usually implemented with photovoltaic (PV) and solar thermal energy. The shadows on the PV modules are a reality as they are originated by unavoidable buildings and obstacles existing in the cities. These shadows will cause the decrease in PV efficiency. Therefore, the increase in PV efficiency is essential. This increase in efficiency can be achieved by associating the DC-DC converters (DC-DC optimizers) with PV modules. This work presents and compares simulations and real results of the influence of DC-DC optimizers in the efficiency of PV modules. In addition, the work includes an economic study of the installation of DC optimizers considering three different electricity price scenarios.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La eficiencia energética es clave en las Ciudades Inteligentes, Smart Cities (SC) por sus siglas en inglés, en las que la integración de fuentes renovables es una realidad. La integración a pequeña escala suele llevarse a cabo con energía fotovoltaica (FV) y solar térmica. Las sombras en los módulos fotovoltaicos son una realidad inevitable, ya que se originarán por los edificios y obstáculos existentes en las ciudades. Estas sombras provocan la disminución de la eficiencia fotovoltaica. Por lo tanto, el aumento de la eficiencia fotovoltaica es esencial. Este aumento de la eficiencia se puede lograr asociando los convertidores DC-DC (optimizadores DC-DC) con módulos fotovoltaicos. Este trabajo presenta y compara simulaciones y resultados reales de la influencia de los optimizadores DC-DC en la eficiencia de los módulos fotovoltaicos. Además, el trabajo incluye un estudio económico de la instalación de optimizadores considerando tres escenarios diferentes de precios de la electricidad.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Photovoltaic efficiency]]></kwd>
<kwd lng="en"><![CDATA[converters]]></kwd>
<kwd lng="es"><![CDATA[Eficiencia fotovoltaica]]></kwd>
<kwd lng="es"><![CDATA[convertidores]]></kwd>
</kwd-group>
</article-meta>
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