<?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>S1815-59012021000300013</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Comparación de esquemas de generación de corrientes de referencia en parques fotovoltaicos bajo fallas desbalanceadas]]></article-title>
<article-title xml:lang="en"><![CDATA[Comparison of reference current generation schemes in photovoltaic units under unbalanced faults]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gallego Landera]]></surname>
<given-names><![CDATA[Yandi A]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León Viltre]]></surname>
<given-names><![CDATA[Lesyani]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Federal de Pernambuco  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade Central de Las Villas  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>42</volume>
<numero>3</numero>
<fpage>13</fpage>
<lpage>24</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1815-59012021000300013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1815-59012021000300013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1815-59012021000300013&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las caídas de voltaje desbalanceadas pueden dar lugar a inyecciones de corriente no sinusoidales y oscilaciones de potencia al doble de la frecuencia fundamental de la red en parques fotovoltaicos conectados al sistema eléctrico. Estas oscilaciones pueden deteriorar el capacitor del enlace de corriente continua del inversor, que es uno de los componentes que más limita la vida útil del inversor. Los controles adecuados de estos convertidores pueden abordar este problema de manera eficiente. En esas soluciones, el cálculo de corriente de referencia es uno de los problemas más importantes que deben abordarse para una operación confiable de convertidores bajo fallas desbalanceadas de la red. Este artículo presenta una comparación de los esquemas de generación de corriente de referencia, durante una falla monofásica en la red. Proporcionando una evaluación del desempeño de diferentes técnicas y pudiendo ayudar en la selección del control adecuado durante fallas importantes de la red.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Unbalanced voltage drops can lead to non-sinusoidal current injections and power oscillations at twice the fundamental frequency of the grid in photovoltaic parks connected to the electrical system. These oscillations can damage the inverter DC link capacitor, which is one of the components that most limits the life of the inverter. Proper controls of these converters can address this problem efficiently. In those solutions, the reference current calculation is one of the most important problems to be addressed for reliable operation of converters under unbalanced grid faults. This article presents a comparison of the reference current generation schemes, during a single-phase fault in the network..It provides an evaluation of the performance of different techniques and being able to help in the selection of the appropriate control during major network failures.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Corrientes de referencia]]></kwd>
<kwd lng="es"><![CDATA[fallas desbalanceadas]]></kwd>
<kwd lng="es"><![CDATA[oscilaciones de potencia]]></kwd>
<kwd lng="en"><![CDATA[Reference currents]]></kwd>
<kwd lng="en"><![CDATA[unbalanced faults]]></kwd>
<kwd lng="en"><![CDATA[power oscillations]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Algieri]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Zema]]></surname>
<given-names><![CDATA[D. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Nicotra]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Zimbone]]></surname>
<given-names><![CDATA[S. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Potential energy exploitation in collective irrigation systems using pumps as turbines: A case study in Calabria (Southern Italy)]]></article-title>
<source><![CDATA[Journal of Cleaner Production]]></source>
<year>2020</year>
<volume>257</volume>
<page-range>120538</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Al-Shetwi]]></surname>
<given-names><![CDATA[Q. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Zahim]]></surname>
<given-names><![CDATA[S. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Lina]]></surname>
<given-names><![CDATA[R. N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A review of the fault ride through requirements in different grid codes concerning penetration of PV system to the electric power network]]></article-title>
<source><![CDATA[ARPN journal of engineering and applied sciences]]></source>
<year>2015</year>
<volume>10</volume>
<page-range>9906-12</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[H.-C.]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[C.-T.]]></given-names>
</name>
<name>
<surname><![CDATA[Cheng]]></surname>
<given-names><![CDATA[P.-T.]]></given-names>
</name>
<name>
<surname><![CDATA[Teodorescu]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Blaabjerg]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A low-voltage ride-through technique for grid-connected converters with reduced power transistors stress]]></article-title>
<source><![CDATA[IEEE Transactions on Power Electronics]]></source>
<year>2016</year>
<volume>31</volume>
<page-range>8562-71</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Meegahapola]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Datta]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Nutkani]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Conroy]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Role of fault ride&#8208;through strategies for power grids with 100% power electronic&#8208;interfaced distributed renewable energy resources]]></article-title>
<source><![CDATA[Wiley Interdisciplinary Reviews: Energy and Environment]]></source>
<year>2018</year>
<volume>7</volume>
</nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Al-Shetwi]]></surname>
<given-names><![CDATA[A. Q.]]></given-names>
</name>
<name>
<surname><![CDATA[Sujod]]></surname>
<given-names><![CDATA[M. Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Blaabjerg]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fault ride-through control of grid-connected photovoltaic power plants: A review]]></article-title>
<source><![CDATA[Solar Energy]]></source>
<year>2019</year>
<volume>180</volume>
<page-range>340-50</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="">
<collab>IEEE</collab>
<source><![CDATA[IEEE Standard for Interconnecting Distributed Resources with Electric Power Systems, Std 1547.2-2008]]></source>
<year>2009</year>
<publisher-loc><![CDATA[United States ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="">
<collab>Eletrico, O. N. d. S</collab>
<source><![CDATA[Requisitos técnicos mínimos para a conexão às instalações de transmissão, Procedimentos de Rede-Submódulo 3.6]]></source>
<year>2010</year>
<publisher-loc><![CDATA[Brasil ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Landera]]></surname>
<given-names><![CDATA[Y. A. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Neves]]></surname>
<given-names><![CDATA[F. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Neto]]></surname>
<given-names><![CDATA[R. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Alonso]]></surname>
<given-names><![CDATA[A. A. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Viltre]]></surname>
<given-names><![CDATA[L. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Revisão e comparação dos recentes requisitos de integração de fontes renováveis de energia]]></article-title>
<source><![CDATA[Ingeniería Energética]]></source>
<year>2020</year>
<volume>41</volume>
</nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Afshari]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Farhangi]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Farhangi]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A low-voltage ride-through control strategy for three-phase grid-connected PV systems]]></article-title>
<source><![CDATA[2017 IEEE Power and Energy Conference at Illinois (PECI)]]></source>
<year>2017</year>
<page-range>1-6</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ouni]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Zolghadri]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Khodabandeh]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Improvement of post-fault performance of a cascaded H- bridge multilevel inverter]]></article-title>
<source><![CDATA[IEEE Transactions on Industrial Electronics]]></source>
<year>2016</year>
<volume>64</volume>
<page-range>2779-88</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Haghnazari]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Khodabandeh]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Zolghadri]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fast fault detection method for modular multilevel converter semiconductor power switches]]></article-title>
<source><![CDATA[IET Power Electronics]]></source>
<year>2016</year>
<volume>9</volume>
<page-range>165-74</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rahimi]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Farhangi]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Farhangi]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[New topology to reduce leakage current in three-phase transformerless grid-connected photovoltaic inverters]]></article-title>
<source><![CDATA[2016 7th Power Electronics and Drive Systems Technologies Conference (PEDSTC)]]></source>
<year>2016</year>
<page-range>421-6</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lin]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Han]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Xiong]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Low-voltage ride-through techniques for two-stage photovoltaic system under unbalanced grid voltage sag conditions]]></article-title>
<source><![CDATA[2018 IEEE 4th Southern Power Electronics Conference (SPEC)]]></source>
<year>2018</year>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Neves]]></surname>
<given-names><![CDATA[F. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Carrasco]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Mancilla-David]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Azevedo]]></surname>
<given-names><![CDATA[G. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[V. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Unbalanced grid fault ride- through control for single-stage photovoltaic inverters]]></article-title>
<source><![CDATA[IEEE Transactions on power electronics]]></source>
<year>2015</year>
<volume>31</volume>
<page-range>3338-47</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jain]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Gupta]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Bohre]]></surname>
<given-names><![CDATA[A. K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Implementation and Comparative analysis of P&amp;O and INC MPPT Method for PV system]]></article-title>
<source><![CDATA[2018 8th IEEE India International Conference on Power Electronics (IICPE)]]></source>
<year>2018</year>
<page-range>1-6</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
