<?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>1390-0129</journal-id>
<journal-title><![CDATA[Revista Politécnica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Politéc. (Quito)]]></abbrev-journal-title>
<issn>1390-0129</issn>
<publisher>
<publisher-name><![CDATA[Escuela Politécnica Nacional]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1390-01292018000200007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estudio Comparativo del Desempeño de las Turbinas Eólicas en relación a sus Coeficientes de Potencia y de Par]]></article-title>
<article-title xml:lang="en"><![CDATA[Comparative Study of the Performance of Wind Turbines in relation to both Power and Torque Coefficients]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes]]></surname>
<given-names><![CDATA[Viviana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carranza]]></surname>
<given-names><![CDATA[Oscar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[Jaime]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega]]></surname>
<given-names><![CDATA[Ruben]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Politécnico Nacional  ]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Politécnico Nacional  ]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<volume>41</volume>
<numero>1</numero>
<fpage>7</fpage>
<lpage>16</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_arttext&amp;pid=S1390-01292018000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_abstract&amp;pid=S1390-01292018000200007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_pdf&amp;pid=S1390-01292018000200007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Este artículo presenta un estudio comparativo del desempeño de las turbinas eólicas en relación a su coeficiente de potencia y de par, realizado mediante su modelo matemático que define el comportamiento de cada turbina. El estudio establece que la potencia y el par de una turbina eólica depende tanto del tipo como de las características de esta, reflejados en los coeficientes de potencia y de par. El coeficiente de par es dependiente del coeficiente de potencia, por lo que este último se considera como básico en este estudio. De todos los coeficientes de potencia encontrados, se determina que existen tres modelos matemáticos básicos (función polinomial, sinusoidal o exponencial). Con esta información, se realiza un estudio comparativo de la potencia y del par en el eje de la turbina para cada uno de los casos. El estudio se realiza de forma analítica y se corrobora mediante pruebas de simulación. El propósito de este análisis, es establecer algunas consideraciones necesarias, para evaluar los diferentes modelos de turbinas eólicas para facilitar la construcción de un emulador de un aerogenerador, de acuerdo al comportamiento de la potencia y del par en el eje de la turbina eólica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: This paper presents a comparative study of the performance of wind turbines in relation to both power and torque coefficients, through of a mathematical model that defines the behavior of each turbine. The study establishes that the power and torque of a wind turbine depends on the type of turbine and its characteristics, reflected in both power and torque coefficients. The coefficient of torque is dependent on the power coefficient, so the latter is considered as basic in this study. Of all the power coefficients found, it is determined that there are three basic mathematical models (polynomial, sinusoidal or exponential). With this information, a comparative study of the turbine power and the turbine shaft torque is carried out for each of the cases. The study is performed analytically and it is corroborated by simulation tests. The purpose of this analysis is to establish some considerations to evaluate the different models of wind turbines to facilitate the construction of an emulator of an aerogenerator, according to the behavior both of power as shaft torque of the wind turbine.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Potencia de la turbina]]></kwd>
<kwd lng="es"><![CDATA[Par del eje de la turbina]]></kwd>
<kwd lng="es"><![CDATA[Turbina eólica]]></kwd>
<kwd lng="en"><![CDATA[Turbine power]]></kwd>
<kwd lng="en"><![CDATA[Turbine shaft torque]]></kwd>
<kwd lng="en"><![CDATA[Wind turbine]]></kwd>
</kwd-group>
</article-meta>
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