<?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>0121-1129</journal-id>
<journal-title><![CDATA[Revista Facultad de Ingeniería]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Fac. ing.]]></abbrev-journal-title>
<issn>0121-1129</issn>
<publisher>
<publisher-name><![CDATA[Universidad Pedagógica y Tecnológica de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-11292024000100004</article-id>
<article-id pub-id-type="doi">10.19053/01211129.v33.n67.2024.17362</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Development of an Application for Calculating the Power Flow of Bipolar DC Networks Using the MATLAB Environment]]></article-title>
<article-title xml:lang="es"><![CDATA[Desarrollo de una aplicación para el cálculo del flujo de potencia en redes DC bipolares utilizando el entorno de MATLAB]]></article-title>
<article-title xml:lang="pt"><![CDATA[Desenvolvimento de uma aplicação para cálculo de fluxo de potência em redes DC bipolares utilizando o ambiente MATLAB]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montoya-Giraldo]]></surname>
<given-names><![CDATA[Oscar-Danilo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rocha]]></surname>
<given-names><![CDATA[Jhan-Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fontecha-Saboya]]></surname>
<given-names><![CDATA[Daniela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Distrital &#8220;Francisco José de Caldas&#8221;  ]]></institution>
<addr-line><![CDATA[Bogotá-Distrito Capital ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Distrital &#8220;Francisco José de Caldas&#8221;  ]]></institution>
<addr-line><![CDATA[Bogotá-Distrito Capital ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Distrital &#8220;Francisco José de Caldas&#8221;  ]]></institution>
<addr-line><![CDATA[Bogotá-Distrito Capital ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<volume>33</volume>
<numero>67</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-11292024000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-11292024000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-11292024000100004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This work proposes the design of a graphic interface to solve the power flow problem in unbalanced bipolar direct current (DC) networks using the successive approximations method. The goal of the graphic interface is to facilitate the user's calculation of the power flow without the need for prior knowledge of programming languages. This work is divided into three stages. The first presents the mathematical power flow model for unbalanced bipolar DC networks using the successive approximations method. The second presents the implementation of the graphic interface, applying the aforementioned mathematical model. The third stage presents the main characteristics of the DC systems under study, in addition to solving the power flow problem through the program and a comparison with the results reported in the specialized literature. Numerical validations demonstrate that the program solves the power flow and finds the same solution as the specialized literature with 100% efficiency, which confirms the program's accuracy and establishes it as a reliable source of information. This document shows the step-by-step creation of the interface, which was tested with two types of networks to corroborate the validity of the program.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Este trabajo plantea el diseño de una interfaz gráfica para resolver el problema de flujo de potencia en redes bipolares de corriente continua (CC) desbalanceadas mediante el método de aproximaciones sucesivas. El objetivo de la interfaz gráfica es facilitarle al usuario el cálculo del flujo de potencia sin la necesidad de conocimientos previos en lenguajes de programación. Este trabajo está dividido en tres etapas. La primera presenta el modelo matemático de flujo de potencia en redes bipolares DC desbalanceadas mediante el método de aproximaciones sucesivas. La segunda presenta la implementación de la interfaz gráfica, aplicando el modelo matemático mencionado anteriormente. La tercera etapa presenta las principales características de los sistemas DC bajo estudio, además de la solución del problema de flujo de potencia por medio del programa y una comparación con los resultados reportados en la literatura especializada. Las validaciones numéricas demuestran que el programa resuelve el flujo de potencia y encuentra la misma solución de la literatura especializada, con una eficiencia del 100%, lo cual confirma la precisión del programa y lo constituye en una fuente confiable de información. En este documento se muestra el paso a paso de la creación de la interfaz, la cual fue puesta a prueba con dos tipos de redes con el fin de corroborar la validez del programa.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Este trabalho propõe o projeto de uma interface gráfica para resolver o problema de fluxo de potência em redes bipolares desequilibradas de corrente contínua (CC) utilizando o método de aproximações sucessivas. O objetivo da interface gráfica é facilitar ao usuário o cálculo do fluxo de potência sem a necessidade de conhecimento prévio de linguagens de programação. Este trabalho está dividido em três etapas. A primeira apresenta o modelo matemático de fluxo de potência em redes DC bipolares desbalanceadas utilizando o método de aproximações sucessivas. A segunda apresenta a implementação da interface gráfica, aplicando o modelo matemático citado acima. A terceira etapa apresenta as principais características dos sistemas CC em estudo, além da solução do problema de fluxo de potência através do programa e uma comparação com os resultados reportados na literatura especializada. As validações numéricas demonstram que o programa resolve o fluxo de potência e encontra a mesma solução na literatura especializada, com eficiência de 100%, o que confirma a precisão do programa e o constitui como uma fonte confiável de informações. Este documento mostra o passo a passo da criação da interface, que foi testada com dois tipos de redes para corroborar a validade do programa.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[bipolar direct current networks]]></kwd>
<kwd lng="en"><![CDATA[power flow application]]></kwd>
<kwd lng="en"><![CDATA[successive approximations method]]></kwd>
<kwd lng="en"><![CDATA[unbalanced systems]]></kwd>
<kwd lng="es"><![CDATA[aplicación de flujo de potencia]]></kwd>
<kwd lng="es"><![CDATA[método de aproximaciones sucesivas]]></kwd>
<kwd lng="es"><![CDATA[redes bipolares de corriente continua]]></kwd>
<kwd lng="es"><![CDATA[sistemas desbalanceados]]></kwd>
<kwd lng="pt"><![CDATA[aplicação de fluxo de potência]]></kwd>
<kwd lng="pt"><![CDATA[método de aproximações sucessivas]]></kwd>
<kwd lng="pt"><![CDATA[redes bipolares de corrente contínua]]></kwd>
<kwd lng="pt"><![CDATA[sistemas desequilibrados]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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