<?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>1815-5901</journal-id>
<journal-title><![CDATA[Ingeniería Energética]]></journal-title>
<abbrev-journal-title><![CDATA[Energética]]></abbrev-journal-title>
<issn>1815-5901</issn>
<publisher>
<publisher-name><![CDATA[Universidad Tecnológica de La Habana José Antonio Echeverría, Cujae]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1815-59012020000100001</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis de calidad de la energía de inversor de puentes H y control SPWM]]></article-title>
<article-title xml:lang="en"><![CDATA[Energy quality analysis of CH-bridge inverter and SPWM control]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Beltrán Telles]]></surname>
<given-names><![CDATA[Aurelio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Monteagudo]]></surname>
<given-names><![CDATA[Francisco Eneldo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Beltrán González]]></surname>
<given-names><![CDATA[Carlo Aurelio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reta Hernández]]></surname>
<given-names><![CDATA[Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morera Hernández]]></surname>
<given-names><![CDATA[Mario]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Zacatecas  ]]></institution>
<addr-line><![CDATA[Zacatecas ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Tecnológica de la Habana  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2020</year>
</pub-date>
<volume>41</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1815-59012020000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1815-59012020000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1815-59012020000100001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN En este documento se muestran los resultados obtenidos al implementar un sistema de control por desplazamiento de nivel SPWM multicarrier a un inversor monofásico de puentes H en cascada. Las pruebas consistieron en usar tres métodos multicarrier con diferentes índices de modulación en frecuencia y amplitud. Obteniéndose un conjunto de resultados de los valores de los armónicos presentes en las mismas para cada método. El algoritmo de control fue programado usando el software SolidThinking Embed y el procesador digital de señales TMDSCNCD28379D de Texas Instruments se utiliza como interface con el inversor. Los resultados experimentales muestran que la calidad de la energía varía usando índices de modulación en frecuencia o en amplitud bajos con respecto a índices de modulación en frecuencia altos y modulación en amplitud cercanos a la unidad. Los resultados indican que la calidad de la energía mejora al incrementar los índices de modulación en frecuencia o amplitud.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT This document shows the results obtained by implementing a multicarrier SPWM level displacement control system to a single-phase seven level cascade H-bridge inverter. The tests consisted of using three multicarrier methods with different modulation rates in frequency and for every one different modulation rates in amplitude. Obtaining a set of results of the values of the harmonics present in them for each method. The control algorithm was programmed using SolidThinking Embed software and the digital signal processor TMDSCNCD28379D from Texas Instruments is used as an interface with the inverter. Experimental results show that energy quality varies using low frequency or amplitude modulation rates with respect to high frequency modulation rates and amplitude modulation rates close to unity. The results indicate that energy quality improves with increasing modulation rates in frequency or amplitude.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Calidad de la energía]]></kwd>
<kwd lng="es"><![CDATA[Control SPWM]]></kwd>
<kwd lng="es"><![CDATA[Distorsión Armónica Total]]></kwd>
<kwd lng="es"><![CDATA[Inversor de puentes H en cascada]]></kwd>
<kwd lng="es"><![CDATA[Procesador digital de señales]]></kwd>
<kwd lng="en"><![CDATA[Cascade H Bridge]]></kwd>
<kwd lng="en"><![CDATA[digital signal processor]]></kwd>
<kwd lng="en"><![CDATA[Energy quality]]></kwd>
<kwd lng="en"><![CDATA[SPWM control]]></kwd>
<kwd lng="en"><![CDATA[Total Harmonic Distortion]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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