{"id":2155,"date":"2026-03-13T08:48:55","date_gmt":"2026-03-13T08:48:55","guid":{"rendered":"https:\/\/yawei-powertransformer.com\/?p=2155"},"modified":"2026-03-13T08:55:44","modified_gmt":"2026-03-13T08:55:44","slug":"how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems","status":"publish","type":"post","link":"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/","title":{"rendered":"C\u00f3mo calcular el tama\u00f1o del transformador (kVA): Gu\u00eda completa para sistemas el\u00e9ctricos industriales y comerciales"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar tabla de contenidos\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Introduction\" >Introducci\u00f3n<\/a><\/li><\/ul><\/li> <li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#What_Is_Transformer_kVA_Rating\" >\u00bfQu\u00e9 son los kVA del transformador?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Power_Formula\" >F\u00f3rmula de potencia<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Basic_Transformer_Sizing_Formula\" >F\u00f3rmula b\u00e1sica de dimensionamiento de transformadores<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Single-Phase_Transformer_Formula\" >F\u00f3rmula del transformador monof\u00e1sico<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Three-Phase_Transformer_Formula\" >F\u00f3rmula del transformador trif\u00e1sico<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Example_Industrial_Transformer_Sizing_Calculation\" >Ejemplo: C\u00e1lculo del tama\u00f1o de un transformador industrial<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Industrial_Facility_Load\" >Carga de las instalaciones industriales<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Transformer_Capacity_Calculation\" >C\u00e1lculo de la capacidad del transformador<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Standard_Transformer_Sizes_Used_in_Industry\" >Tama\u00f1os est\u00e1ndar de transformadores utilizados en la industria<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Transformer_Oversizing_vs_Undersizing\" >Transformadores sobredimensionados o subdimensionados<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Undersized_Transformer_Risks\" >Riesgos de los transformadores subdimensionados<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Oversized_Transformer_Problems\" >Problemas de transformadores sobredimensionados<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Factors_That_Affect_Transformer_Capacity_Selection\" >Factores que afectan a la selecci\u00f3n de la capacidad del transformador<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#1_Load_Type\" >1. Tipo de carga<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#2_Future_Expansion\" >2. Expansi\u00f3n futura<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#3_Ambient_Temperature\" >3. Temperatura ambiente<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#4_Harmonic_Loads\" >4. Cargas arm\u00f3nicas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#5_Duty_Cycle\" >5. Ciclo de trabajo<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Choosing_the_Right_Transformer_Type\" >Elegir el tipo de transformador adecuado<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Pad-Mounted_Transformers\" >Transformadores de pedestal<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Pole-Mounted_Transformers\" >Transformadores montados en poste<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Substation_Transformers\" >Transformadores de subestaci\u00f3n<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Typical_Transformer_Voltage_Combinations\" >Combinaciones t\u00edpicas de tensi\u00f3n de transformador<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Best_Practices_for_Transformer_Selection\" >Buenas pr\u00e1cticas para la selecci\u00f3n de transformadores<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/yawei-powertransformer.com\/es\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Conclusion\" >Conclusi\u00f3n<\/a><\/li><\/ul><\/nav><\/div>\n<h2 data-section-id=\"13ax1s5\" data-start=\"192\" data-end=\"207\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>Introducci\u00f3n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"209\" data-end=\"510\">Elegir el tama\u00f1o correcto del transformador es una de las decisiones m\u00e1s importantes en el dise\u00f1o de sistemas de energ\u00eda el\u00e9ctrica. Un transformador de tama\u00f1o insuficiente puede provocar sobrecalentamiento, ca\u00eddas de tensi\u00f3n y aver\u00edas en los equipos, mientras que un transformador sobredimensionado puede generar costes de inversi\u00f3n innecesarios y mayores p\u00e9rdidas en vac\u00edo.<\/p>\n<p data-start=\"512\" data-end=\"701\">Para ingenieros, contratistas y gestores de instalaciones industriales, comprender <strong data-start=\"588\" data-end=\"635\">c\u00f3mo calcular la capacidad del transformador (kVA)<\/strong> es esencial para garantizar una distribuci\u00f3n fiable y eficaz de la energ\u00eda.<\/p>\n<p data-start=\"703\" data-end=\"878\">En esta gu\u00eda, explicamos los <strong data-start=\"733\" data-end=\"829\">f\u00f3rmula de dimensionamiento del transformador, m\u00e9todos de c\u00e1lculo, ejemplos reales y consideraciones pr\u00e1cticas<\/strong> utilizados en los sistemas el\u00e9ctricos industriales y comerciales.<\/p>\n<hr data-start=\"880\" data-end=\"883\" \/>\n<h1 data-section-id=\"1kf66y1\" data-start=\"885\" data-end=\"918\"><span class=\"ez-toc-section\" id=\"What_Is_Transformer_kVA_Rating\"><\/span>\u00bfQu\u00e9 son los kVA del transformador?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"920\" data-end=\"1017\">La capacidad de un transformador suele expresarse en <strong data-start=\"976\" data-end=\"1001\">kVA (kilovoltio-amperio)<\/strong> en lugar de kW.<\/p>\n<p data-start=\"1019\" data-end=\"1096\">Esto se debe a que los transformadores suministran <strong data-start=\"1056\" data-end=\"1074\">potencia aparente<\/strong>, que incluye ambos:<\/p>\n<ul data-start=\"1098\" data-end=\"1239\">\n<li data-section-id=\"6ele9r\" data-start=\"1098\" data-end=\"1158\">\n<p data-start=\"1100\" data-end=\"1158\"><strong data-start=\"1100\" data-end=\"1121\">Potencia activa (kW)<\/strong> - la potencia real utilizada por los equipos<\/p>\n<\/li>\n<li data-section-id=\"1vx48s4\" data-start=\"1159\" data-end=\"1239\">\n<p data-start=\"1161\" data-end=\"1239\"><strong data-start=\"1161\" data-end=\"1186\">Potencia reactiva (kVAR)<\/strong> - potencia requerida por cargas inductivas como motores<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1241\" data-end=\"1314\">La relaci\u00f3n entre ellos viene determinada por el <strong data-start=\"1292\" data-end=\"1313\">factor de potencia (FP)<\/strong>.<\/p>\n<h3 data-section-id=\"1utk5tj\" data-start=\"1316\" data-end=\"1333\"><span class=\"ez-toc-section\" id=\"Power_Formula\"><\/span>F\u00f3rmula de potencia<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"1335\" data-end=\"1358\">kVA = kW \u00f7 Factor de potencia<\/p>\n<p data-start=\"1360\" data-end=\"1372\">Por ejemplo:<\/p>\n<ul data-start=\"1374\" data-end=\"1414\">\n<li data-section-id=\"h728ke\" data-start=\"1374\" data-end=\"1391\">\n<p data-start=\"1376\" data-end=\"1391\">Carga = 100 kW<\/p>\n<\/li>\n<li data-section-id=\"9ij535\" data-start=\"1392\" data-end=\"1414\">\n<p data-start=\"1394\" data-end=\"1414\">Factor de potencia = 0,8<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1416\" data-end=\"1442\">Tama\u00f1o del transformador necesario:<\/p>\n<p data-start=\"1444\" data-end=\"1473\"><strong data-start=\"1444\" data-end=\"1473\">kVA = 100 \u00f7 0,8 = 125 kVA<\/strong><\/p>\n<p data-start=\"1475\" data-end=\"1575\">En la pr\u00e1ctica, los ingenieros suelen seleccionar el <strong data-start=\"1517\" data-end=\"1553\">siguiente potencia nominal est\u00e1ndar del transformador<\/strong>, como <a href=\"https:\/\/yawei-powertransformer.com\/es\/manufacturer\/150-kva-single-phase-pole-mounted-transformer-13-8-kv-to-120-240-v-onan-telephone-power-distribution-transformer\/\"><strong data-start=\"1563\" data-end=\"1574\">150 kVA<\/strong><\/a>.<\/p>\n<hr data-start=\"1577\" data-end=\"1580\" \/>\n<h1 data-section-id=\"hxvu6h\" data-start=\"1582\" data-end=\"1616\"><span class=\"ez-toc-section\" id=\"Basic_Transformer_Sizing_Formula\"><\/span>F\u00f3rmula b\u00e1sica de dimensionamiento de transformadores<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"1618\" data-end=\"1692\">La capacidad del transformador tambi\u00e9n puede calcularse utilizando la tensi\u00f3n y la corriente.<\/p>\n<h3 data-section-id=\"ominnv\" data-start=\"1694\" data-end=\"1730\"><span class=\"ez-toc-section\" id=\"Single-Phase_Transformer_Formula\"><\/span>F\u00f3rmula del transformador monof\u00e1sico<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"1732\" data-end=\"1764\">kVA = (Tensi\u00f3n \u00d7 Corriente) \u00f7 1000<\/p>\n<p data-start=\"1766\" data-end=\"1774\">Por ejemplo:<\/p>\n<p data-start=\"1776\" data-end=\"1809\">Tensi\u00f3n = 240 V<br data-start=\"1791\" data-end=\"1794\" \/>Corriente = 100 A<\/p>\n<p data-start=\"1811\" data-end=\"1854\">kVA = (240 \u00d7 100) \u00f7 1000<br data-start=\"1835\" data-end=\"1838\" \/>kVA = <strong data-start=\"1844\" data-end=\"1854\">24 kVA<\/strong><\/p>\n<hr data-start=\"1856\" data-end=\"1859\" \/>\n<h3 data-section-id=\"dpvchr\" data-start=\"1861\" data-end=\"1896\"><span class=\"ez-toc-section\" id=\"Three-Phase_Transformer_Formula\"><\/span>F\u00f3rmula del transformador trif\u00e1sico<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"1898\" data-end=\"1965\">En los sistemas industriales se suelen utilizar transformadores trif\u00e1sicos.<\/p>\n<p data-start=\"1967\" data-end=\"2004\">kVA = (\u221a3 \u00d7 Tensi\u00f3n \u00d7 Corriente) \u00f7 1000<\/p>\n<p data-start=\"2006\" data-end=\"2014\">Por ejemplo:<\/p>\n<p data-start=\"2016\" data-end=\"2049\">Tensi\u00f3n = 480 V<br data-start=\"2031\" data-end=\"2034\" \/>Corriente = 120 A<\/p>\n<p data-start=\"2051\" data-end=\"2104\">kVA = (1,732 \u00d7 480 \u00d7 120) \u00f7 1000<br data-start=\"2083\" data-end=\"2086\" \/>kVA \u2248 <strong data-start=\"2092\" data-end=\"2104\">99,8 kVA<\/strong><\/p>\n<p data-start=\"2106\" data-end=\"2171\">Por lo tanto, un <strong data-start=\"2119\" data-end=\"2142\">Transformador de 100 kVA<\/strong> se seleccionar\u00eda normalmente.<\/p>\n<hr data-start=\"2173\" data-end=\"2176\" \/>\n<h1 data-section-id=\"1lrad0h\" data-start=\"2178\" data-end=\"2230\"><span class=\"ez-toc-section\" id=\"Example_Industrial_Transformer_Sizing_Calculation\"><\/span>Ejemplo: C\u00e1lculo del tama\u00f1o de un transformador industrial<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"2232\" data-end=\"2266\">Veamos un ejemplo pr\u00e1ctico.<\/p>\n<h3 data-section-id=\"ixwew2\" data-start=\"2268\" data-end=\"2296\"><span class=\"ez-toc-section\" id=\"Industrial_Facility_Load\"><\/span>Carga de las instalaciones industriales<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"2298\" data-end=\"2319\">Carga total conectada:<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr style=\"height: 25.00pt;\">\n<th class=\"et2\" style=\"height: 25pt; width: 60.1942%;\" width=\"148\" height=\"33\">Equipamiento<\/th>\n<th class=\"et2\" style=\"width: 39.6117%;\" width=\"96\">Potencia<\/th>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 60.1942%;\" width=\"148\" height=\"33\">Motores<\/td>\n<td class=\"et3\" style=\"width: 39.6117%;\" width=\"96\">80 kW<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 60.1942%;\" width=\"148\" height=\"33\">Iluminaci\u00f3n<\/td>\n<td class=\"et3\" style=\"width: 39.6117%;\" width=\"96\">20 kW<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 60.1942%;\" width=\"148\" height=\"33\">HVAC<\/td>\n<td class=\"et3\" style=\"width: 39.6117%;\" width=\"96\">40 kW<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 60.1942%;\" width=\"148\" height=\"33\">Equipamiento<\/td>\n<td class=\"et3\" style=\"width: 39.6117%;\" width=\"96\">30 kW<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-start=\"2444\" data-end=\"2455\">Carga total:<\/p>\n<p data-start=\"2457\" data-end=\"2467\"><strong data-start=\"2457\" data-end=\"2467\">170 kW<\/strong><\/p>\n<p data-start=\"2469\" data-end=\"2497\">Supongamos un factor de potencia medio:<\/p>\n<p data-start=\"2499\" data-end=\"2511\"><strong data-start=\"2499\" data-end=\"2511\">FP = 0,9<\/strong><\/p>\n<h3 data-section-id=\"e1ifi8\" data-start=\"2513\" data-end=\"2549\"><span class=\"ez-toc-section\" id=\"Transformer_Capacity_Calculation\"><\/span>C\u00e1lculo de la capacidad del transformador<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"2551\" data-end=\"2588\">kVA = 170 \u00f7 0,9<br data-start=\"2566\" data-end=\"2569\" \/>kVA = <strong data-start=\"2575\" data-end=\"2588\">188,9 kVA<\/strong><\/p>\n<p data-start=\"2590\" data-end=\"2641\">Los ingenieros suelen a\u00f1adir un <strong data-start=\"2616\" data-end=\"2640\">Margen de seguridad 20-25%<\/strong>.<\/p>\n<p data-start=\"2643\" data-end=\"2672\">Tama\u00f1o del transformador recomendado:<\/p>\n<p data-start=\"2674\" data-end=\"2685\"><strong data-start=\"2674\" data-end=\"2685\">250 kVA<\/strong><\/p>\n<p data-start=\"2687\" data-end=\"2708\">Esto deja espacio para:<\/p>\n<ul data-start=\"2710\" data-end=\"2779\">\n<li data-section-id=\"n1w2em\" data-start=\"2710\" data-end=\"2730\">\n<p data-start=\"2712\" data-end=\"2730\">fluctuaci\u00f3n de la carga<\/p>\n<\/li>\n<li data-section-id=\"18pevce\" data-start=\"2731\" data-end=\"2760\">\n<p data-start=\"2733\" data-end=\"2760\">corriente de arranque del equipo<\/p>\n<\/li>\n<li data-section-id=\"163ytjo\" data-start=\"2761\" data-end=\"2779\">\n<p data-start=\"2763\" data-end=\"2779\">futura expansi\u00f3n<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2781\" data-end=\"2784\" \/>\n<h1 data-section-id=\"e4dlca\" data-start=\"2786\" data-end=\"2831\"><span class=\"ez-toc-section\" id=\"Standard_Transformer_Sizes_Used_in_Industry\"><\/span>Tama\u00f1os est\u00e1ndar de transformadores utilizados en la industria<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"2833\" data-end=\"2889\">La mayor\u00eda de los fabricantes ofrecen valores nominales est\u00e1ndar para los transformadores.<\/p>\n<p data-start=\"2891\" data-end=\"2938\">Los tama\u00f1os t\u00edpicos de los transformadores de distribuci\u00f3n son<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr style=\"height: 25.00pt;\">\n<th class=\"et2\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">Aplicaci\u00f3n<\/th>\n<th class=\"et2\" style=\"width: 51.068%;\" width=\"284\">Tama\u00f1o t\u00edpico del transformador<\/th>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">Peque\u00f1o edificio comercial<\/td>\n<td class=\"et3\" style=\"width: 51.068%;\" width=\"284\">45 - 75 kVA<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">Tienda al por menor<\/td>\n<td class=\"et3\" style=\"width: 51.068%;\" width=\"284\">75 - 150 kVA<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">Establecimiento comercial mediano<\/td>\n<td class=\"et3\" style=\"width: 51.068%;\" width=\"284\">150 - 300 kVA<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">Planta industrial<\/td>\n<td class=\"et3\" style=\"width: 51.068%;\" width=\"284\">300 - 1000 kVA<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">Grandes sistemas industriales<\/td>\n<td class=\"et3\" style=\"width: 51.068%;\" width=\"284\">1000 kVA - 5000 kVA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-start=\"3239\" data-end=\"3327\">Elegir la clasificaci\u00f3n correcta garantiza <strong data-start=\"3275\" data-end=\"3326\">funcionamiento eficaz y mayor vida \u00fatil del transformador<\/strong>.<\/p>\n<hr data-start=\"3329\" data-end=\"3332\" \/>\n<h1 data-section-id=\"94r7b2\" data-start=\"3334\" data-end=\"3373\"><span class=\"ez-toc-section\" id=\"Transformer_Oversizing_vs_Undersizing\"><\/span>Transformadores sobredimensionados o subdimensionados<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2 data-section-id=\"1ez2hmv\" data-start=\"3375\" data-end=\"3406\"><span class=\"ez-toc-section\" id=\"Undersized_Transformer_Risks\"><\/span>Riesgos de los transformadores subdimensionados<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"3408\" data-end=\"3449\">Si la capacidad del transformador es demasiado peque\u00f1a:<\/p>\n<ul data-start=\"3451\" data-end=\"3564\">\n<li data-section-id=\"15wft32\" data-start=\"3451\" data-end=\"3464\">\n<p data-start=\"3453\" data-end=\"3464\">sobrecalentamiento<\/p>\n<\/li>\n<li data-section-id=\"at34lw\" data-start=\"3465\" data-end=\"3489\">\n<p data-start=\"3467\" data-end=\"3489\">degradaci\u00f3n del aislamiento<\/p>\n<\/li>\n<li data-section-id=\"7rgmbn\" data-start=\"3490\" data-end=\"3504\">\n<p data-start=\"3492\" data-end=\"3504\">ca\u00edda de tensi\u00f3n<\/p>\n<\/li>\n<li data-section-id=\"rf2ay4\" data-start=\"3505\" data-end=\"3533\">\n<p data-start=\"3507\" data-end=\"3533\">reducci\u00f3n de la vida \u00fatil de los equipos<\/p>\n<\/li>\n<li data-section-id=\"16cg0vi\" data-start=\"3534\" data-end=\"3564\">\n<p data-start=\"3536\" data-end=\"3564\">posible fallo del transformador<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3566\" data-end=\"3632\">Se trata de un problema habitual en las instalaciones industriales en r\u00e1pida expansi\u00f3n.<\/p>\n<hr data-start=\"3634\" data-end=\"3637\" \/>\n<h2 data-section-id=\"gd3ga1\" data-start=\"3639\" data-end=\"3672\"><span class=\"ez-toc-section\" id=\"Oversized_Transformer_Problems\"><\/span>Problemas de transformadores sobredimensionados<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"3674\" data-end=\"3708\">El sobredimensionamiento tambi\u00e9n tiene desventajas:<\/p>\n<ul data-start=\"3710\" data-end=\"3793\">\n<li data-section-id=\"j0kjht\" data-start=\"3710\" data-end=\"3732\">\n<p data-start=\"3712\" data-end=\"3732\">mayor coste de adquisici\u00f3n<\/p>\n<\/li>\n<li data-section-id=\"1ds5k53\" data-start=\"3733\" data-end=\"3759\">\n<p data-start=\"3735\" data-end=\"3759\">aumento de las p\u00e9rdidas en vac\u00edo<\/p>\n<\/li>\n<li data-section-id=\"dn369u\" data-start=\"3760\" data-end=\"3793\">\n<p data-start=\"3762\" data-end=\"3793\">menor eficiencia con cargas ligeras<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3795\" data-end=\"3917\">Por lo tanto, la mejor pr\u00e1ctica es seleccionar un transformador <strong data-start=\"3851\" data-end=\"3916\">cerca de la carga calculada con un margen de expansi\u00f3n razonable<\/strong>.<\/p>\n<hr data-start=\"3919\" data-end=\"3922\" \/>\n<h1 data-section-id=\"1q0obql\" data-start=\"3924\" data-end=\"3976\"><span class=\"ez-toc-section\" id=\"Factors_That_Affect_Transformer_Capacity_Selection\"><\/span>Factores que afectan a la selecci\u00f3n de la capacidad del transformador<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"3978\" data-end=\"4045\">A la hora de seleccionar el tama\u00f1o del transformador, hay que tener en cuenta varios factores.<\/p>\n<h2 data-section-id=\"b9ep0k\" data-start=\"4047\" data-end=\"4062\"><span class=\"ez-toc-section\" id=\"1_Load_Type\"><\/span>1. Tipo de carga<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4064\" data-end=\"4099\">Las distintas cargas se comportan de manera diferente.<\/p>\n<p data-start=\"4101\" data-end=\"4110\">Ejemplos:<\/p>\n<ul data-start=\"4112\" data-end=\"4183\">\n<li data-section-id=\"159d4y8\" data-start=\"4112\" data-end=\"4120\">\n<p data-start=\"4114\" data-end=\"4120\">motores<\/p>\n<\/li>\n<li data-section-id=\"ufvye0\" data-start=\"4121\" data-end=\"4140\">\n<p data-start=\"4123\" data-end=\"4140\">equipos de soldadura<\/p>\n<\/li>\n<li data-section-id=\"1tr1blu\" data-start=\"4141\" data-end=\"4155\">\n<p data-start=\"4143\" data-end=\"4155\">Sistemas de calefacci\u00f3n, ventilaci\u00f3n y aire acondicionado<\/p>\n<\/li>\n<li data-section-id=\"1d8lsid\" data-start=\"4156\" data-end=\"4183\">\n<p data-start=\"4158\" data-end=\"4183\">variadores de frecuencia<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4185\" data-end=\"4279\">Las cargas del motor suelen requerir <strong data-start=\"4211\" data-end=\"4238\">mayor corriente de arranque<\/strong>, que debe tenerse en cuenta durante el dimensionamiento.<\/p>\n<hr data-start=\"4281\" data-end=\"4284\" \/>\n<h2 data-section-id=\"hhaged\" data-start=\"4286\" data-end=\"4308\"><span class=\"ez-toc-section\" id=\"2_Future_Expansion\"><\/span>2. Expansi\u00f3n futura<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4310\" data-end=\"4355\">Las instalaciones industriales suelen ampliarse con el tiempo.<\/p>\n<p data-start=\"4357\" data-end=\"4444\">Los ingenieros suelen reservar <strong data-start=\"4385\" data-end=\"4415\">20-30% capacidad adicional<\/strong> para soportar futuros equipos.<\/p>\n<hr data-start=\"4446\" data-end=\"4449\" \/>\n<h2 data-section-id=\"7kb964\" data-start=\"4451\" data-end=\"4476\"><span class=\"ez-toc-section\" id=\"3_Ambient_Temperature\"><\/span>3. Temperatura ambiente<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4478\" data-end=\"4542\">Una temperatura ambiente elevada reduce la eficacia de la refrigeraci\u00f3n del transformador.<\/p>\n<p data-start=\"4544\" data-end=\"4651\">Los transformadores de exterior que funcionan en climas c\u00e1lidos pueden necesitar <strong data-start=\"4603\" data-end=\"4650\">mayor capacidad o m\u00e9todos de refrigeraci\u00f3n mejorados<\/strong>.<\/p>\n<hr data-start=\"4653\" data-end=\"4656\" \/>\n<h2 data-section-id=\"fmb4nr\" data-start=\"4658\" data-end=\"4678\"><span class=\"ez-toc-section\" id=\"4_Harmonic_Loads\"><\/span>4. Cargas arm\u00f3nicas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4680\" data-end=\"4726\">Las instalaciones modernas utilizan muchos dispositivos electr\u00f3nicos:<\/p>\n<ul data-start=\"4728\" data-end=\"4769\">\n<li data-section-id=\"nu7ld4\" data-start=\"4728\" data-end=\"4741\">\n<p data-start=\"4730\" data-end=\"4741\">Sistemas SAI<\/p>\n<\/li>\n<li data-section-id=\"16uiqbk\" data-start=\"4742\" data-end=\"4756\">\n<p data-start=\"4744\" data-end=\"4756\">centros de datos<\/p>\n<\/li>\n<li data-section-id=\"2cbyf7\" data-start=\"4757\" data-end=\"4769\">\n<p data-start=\"4759\" data-end=\"4769\">Accionamientos VFD<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4771\" data-end=\"4848\">Estos crean <strong data-start=\"4784\" data-end=\"4807\">distorsi\u00f3n arm\u00f3nica<\/strong>, lo que puede aumentar el calentamiento del transformador.<\/p>\n<p data-start=\"4850\" data-end=\"4928\">En tales casos, <strong data-start=\"4865\" data-end=\"4889\">Transformadores con clasificaci\u00f3n K<\/strong> o de mayor capacidad.<\/p>\n<hr data-start=\"4930\" data-end=\"4933\" \/>\n<h2 data-section-id=\"19teo0i\" data-start=\"4935\" data-end=\"4951\"><span class=\"ez-toc-section\" id=\"5_Duty_Cycle\"><\/span>5. Ciclo de trabajo<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4953\" data-end=\"5046\">Las cargas continuas requieren un dimensionamiento m\u00e1s conservador del transformador en comparaci\u00f3n con las cargas intermitentes.<\/p>\n<p data-start=\"5048\" data-end=\"5060\">Por ejemplo:<\/p>\n<ul data-start=\"5062\" data-end=\"5124\">\n<li data-section-id=\"1syq8jk\" data-start=\"5062\" data-end=\"5078\">\n<p data-start=\"5064\" data-end=\"5078\">centros de datos<\/p>\n<\/li>\n<li data-section-id=\"ta3igl\" data-start=\"5079\" data-end=\"5102\">\n<p data-start=\"5081\" data-end=\"5102\">l\u00edneas de fabricaci\u00f3n<\/p>\n<\/li>\n<li data-section-id=\"sjfnj8\" data-start=\"5103\" data-end=\"5124\">\n<p data-start=\"5105\" data-end=\"5124\">operaciones mineras<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5126\" data-end=\"5168\">Estas aplicaciones suelen funcionar <strong data-start=\"5159\" data-end=\"5167\">24\/7<\/strong>.<\/p>\n<hr data-start=\"5170\" data-end=\"5173\" \/>\n<h1 data-section-id=\"yeakkk\" data-start=\"5175\" data-end=\"5212\"><span class=\"ez-toc-section\" id=\"Choosing_the_Right_Transformer_Type\"><\/span>Elegir el tipo de transformador adecuado<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"5214\" data-end=\"5314\">Tras determinar la capacidad del transformador, el siguiente paso es seleccionar el tipo de transformador adecuado.<\/p>\n<p data-start=\"5316\" data-end=\"5339\">Las opciones m\u00e1s comunes son:<\/p>\n<h3 data-section-id=\"1eoswsa\" data-start=\"5341\" data-end=\"5369\"><span class=\"ez-toc-section\" id=\"Pad-Mounted_Transformers\"><\/span><a href=\"https:\/\/yawei-powertransformer.com\/es\/wholesale\/transformadores-de-pedestal\/\">Transformadores de pedestal<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5371\" data-end=\"5379\">Utilizado en:<\/p>\n<ul data-start=\"5381\" data-end=\"5449\">\n<li data-section-id=\"h4ppm9\" data-start=\"5381\" data-end=\"5403\">\n<p data-start=\"5383\" data-end=\"5403\">edificios comerciales<\/p>\n<\/li>\n<li data-section-id=\"1urpppc\" data-start=\"5404\" data-end=\"5430\">\n<p data-start=\"5406\" data-end=\"5430\">distribuci\u00f3n residencial<\/p>\n<\/li>\n<li data-section-id=\"55i7ys\" data-start=\"5431\" data-end=\"5449\">\n<p data-start=\"5433\" data-end=\"5449\">pol\u00edgonos industriales<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5451\" data-end=\"5462\">Ventajas:<\/p>\n<ul data-start=\"5464\" data-end=\"5526\">\n<li data-section-id=\"ggvmv\" data-start=\"5464\" data-end=\"5491\">\n<p data-start=\"5466\" data-end=\"5491\">instalaci\u00f3n a nivel del suelo<\/p>\n<\/li>\n<li data-section-id=\"u862n1\" data-start=\"5492\" data-end=\"5508\">\n<p data-start=\"5494\" data-end=\"5508\">dise\u00f1o compacto<\/p>\n<\/li>\n<li data-section-id=\"1vjmu16\" data-start=\"5509\" data-end=\"5526\">\n<p data-start=\"5511\" data-end=\"5526\">mayor seguridad<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"5528\" data-end=\"5531\" \/>\n<h3 data-section-id=\"6b5mah\" data-start=\"5533\" data-end=\"5562\"><span class=\"ez-toc-section\" id=\"Pole-Mounted_Transformers\"><\/span><a href=\"https:\/\/yawei-powertransformer.com\/es\/wholesale\/transformadores-montados-en-poste\/\">Transformadores montados en poste<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5564\" data-end=\"5574\">Com\u00fan en:<\/p>\n<ul data-start=\"5576\" data-end=\"5625\">\n<li data-section-id=\"1cflf2t\" data-start=\"5576\" data-end=\"5602\">\n<p data-start=\"5578\" data-end=\"5602\">distribuci\u00f3n rural de electricidad<\/p>\n<\/li>\n<li data-section-id=\"d90kuk\" data-start=\"5603\" data-end=\"5625\">\n<p data-start=\"5605\" data-end=\"5625\">l\u00edneas el\u00e9ctricas a\u00e9reas<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5627\" data-end=\"5638\">Ventajas:<\/p>\n<ul data-start=\"5640\" data-end=\"5687\">\n<li data-section-id=\"d9muqz\" data-start=\"5640\" data-end=\"5663\">\n<p data-start=\"5642\" data-end=\"5663\">bajo coste de instalaci\u00f3n<\/p>\n<\/li>\n<li data-section-id=\"mncdep\" data-start=\"5664\" data-end=\"5687\">\n<p data-start=\"5666\" data-end=\"5687\">infraestructura sencilla<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"5689\" data-end=\"5692\" \/>\n<h3 data-section-id=\"16f7cg\" data-start=\"5694\" data-end=\"5721\"><span class=\"ez-toc-section\" id=\"Substation_Transformers\"><\/span><a href=\"https:\/\/yawei-powertransformer.com\/es\/wholesale\/transformadores-de-subestacion\/\">Transformadores de subestaci\u00f3n<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5723\" data-end=\"5731\">Utilizado en:<\/p>\n<ul data-start=\"5733\" data-end=\"5799\">\n<li data-section-id=\"8ki7ph\" data-start=\"5733\" data-end=\"5754\">\n<p data-start=\"5735\" data-end=\"5754\">subestaciones el\u00e9ctricas<\/p>\n<\/li>\n<li data-section-id=\"x1cecj\" data-start=\"5755\" data-end=\"5769\">\n<p data-start=\"5757\" data-end=\"5769\">centrales el\u00e9ctricas<\/p>\n<\/li>\n<li data-section-id=\"hpldn5\" data-start=\"5770\" data-end=\"5799\">\n<p data-start=\"5772\" data-end=\"5799\">grandes instalaciones industriales<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5801\" data-end=\"5812\">Ventajas:<\/p>\n<ul data-start=\"5814\" data-end=\"5855\">\n<li data-section-id=\"1nrfg4y\" data-start=\"5814\" data-end=\"5829\">\n<p data-start=\"5816\" data-end=\"5829\">alta capacidad<\/p>\n<\/li>\n<li data-section-id=\"1syx66s\" data-start=\"5830\" data-end=\"5855\">\n<p data-start=\"5832\" data-end=\"5855\">capacidad de alta tensi\u00f3n<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"5857\" data-end=\"5860\" \/>\n<h1 data-section-id=\"1fuhl2n\" data-start=\"5862\" data-end=\"5904\"><span class=\"ez-toc-section\" id=\"Typical_Transformer_Voltage_Combinations\"><\/span>Combinaciones t\u00edpicas de tensi\u00f3n de transformador<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"5906\" data-end=\"5977\">Los transformadores industriales suelen utilizar las siguientes configuraciones de tensi\u00f3n:<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr style=\"height: 25.00pt;\">\n<th class=\"et3\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">Tensi\u00f3n primaria<\/th>\n<th class=\"et3\" style=\"width: 51.068%;\" width=\"284\">Tensi\u00f3n secundaria<\/th>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et4\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">13,8 kV<\/td>\n<td class=\"et4\" style=\"width: 51.068%;\" width=\"284\">480V<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et4\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">33 kV<\/td>\n<td class=\"et4\" style=\"width: 51.068%;\" width=\"284\">400V<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et4\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">34,5 kV<\/td>\n<td class=\"et4\" style=\"width: 51.068%;\" width=\"284\">480V<\/td>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et4\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">11 kV<\/td>\n<td class=\"et4\" style=\"width: 51.068%;\" width=\"284\">415V<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-start=\"6131\" data-end=\"6207\">La configuraci\u00f3n exacta depende del <strong data-start=\"6170\" data-end=\"6206\">dise\u00f1o de sistemas de distribuci\u00f3n de energ\u00eda<\/strong>.<\/p>\n<hr data-start=\"6209\" data-end=\"6212\" \/>\n<h1 data-section-id=\"jbbfny\" data-start=\"6214\" data-end=\"6256\"><span class=\"ez-toc-section\" id=\"Best_Practices_for_Transformer_Selection\"><\/span>Buenas pr\u00e1cticas para la selecci\u00f3n de transformadores<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"6258\" data-end=\"6308\">Los ingenieros el\u00e9ctricos suelen seguir estos pasos:<\/p>\n<ol data-start=\"6310\" data-end=\"6545\">\n<li data-section-id=\"7w09hh\" data-start=\"6310\" data-end=\"6345\">\n<p data-start=\"6313\" data-end=\"6345\">Calcular la carga total conectada<\/p>\n<\/li>\n<li data-section-id=\"om61f\" data-start=\"6346\" data-end=\"6375\">\n<p data-start=\"6349\" data-end=\"6375\">Determinar la tensi\u00f3n del sistema<\/p>\n<\/li>\n<li data-section-id=\"140nz31\" data-start=\"6376\" data-end=\"6412\">\n<p data-start=\"6379\" data-end=\"6412\">Calcular la capacidad en kVA necesaria<\/p>\n<\/li>\n<li data-section-id=\"d7v4m6\" data-start=\"6413\" data-end=\"6449\">\n<p data-start=\"6416\" data-end=\"6449\">A\u00f1adir un margen de seguridad para la expansi\u00f3n<\/p>\n<\/li>\n<li data-section-id=\"1abqkeq\" data-start=\"6450\" data-end=\"6490\">\n<p data-start=\"6453\" data-end=\"6490\">Seleccione el tipo de transformador adecuado<\/p>\n<\/li>\n<li data-section-id=\"17s1z5\" data-start=\"6491\" data-end=\"6545\">\n<p data-start=\"6494\" data-end=\"6545\">Confirme el entorno de instalaci\u00f3n (interior \/ exterior)<\/p>\n<\/li>\n<\/ol>\n<p data-start=\"6547\" data-end=\"6635\">Seguir estos pasos ayuda a garantizar <strong data-start=\"6582\" data-end=\"6634\">distribuci\u00f3n de energ\u00eda segura, fiable y eficiente<\/strong>.<\/p>\n<hr data-start=\"6637\" data-end=\"6640\" \/>\n<h1 data-section-id=\"fsb6xx\" data-start=\"6642\" data-end=\"6654\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusi\u00f3n<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"6656\" data-end=\"6866\">El dimensionamiento correcto del transformador es esencial para un rendimiento fiable del sistema el\u00e9ctrico. Seleccionar la capacidad adecuada del transformador ayuda a evitar el sobrecalentamiento, reducir las p\u00e9rdidas y garantizar la estabilidad operativa a largo plazo.<\/p>\n<p data-start=\"6868\" data-end=\"7073\">Utilizando el <strong data-start=\"6888\" data-end=\"6916\">F\u00f3rmulas de c\u00e1lculo de kVA<\/strong>, Evaluando las caracter\u00edsticas de la carga y teniendo en cuenta futuras ampliaciones, los ingenieros pueden seleccionar el transformador \u00f3ptimo para aplicaciones industriales y comerciales.<\/p>\n<p data-start=\"7075\" data-end=\"7243\">Como profesional <strong data-start=\"7093\" data-end=\"7127\"><a href=\"https:\/\/yawei-powertransformer.com\/es\/Wholesale\/hv-power-transformers\/\">transformador de potencia<\/a> fabricante<\/strong>, Yawei Transformer ofrece soluciones de transformadores personalizadas para proyectos industriales y de servicios p\u00fablicos en todo el mundo, entre los que se incluyen:<\/p>\n<ul data-start=\"7245\" data-end=\"7361\">\n<li data-section-id=\"q5hba2\" data-start=\"7245\" data-end=\"7274\">\n<p data-start=\"7247\" data-end=\"7274\">transformadores de distribuci\u00f3n<\/p>\n<\/li>\n<li data-section-id=\"bcegqc\" data-start=\"7275\" data-end=\"7303\">\n<p data-start=\"7277\" data-end=\"7303\">transformadores de pedestal<\/p>\n<\/li>\n<li data-section-id=\"yj4ljr\" data-start=\"7304\" data-end=\"7333\">\n<p data-start=\"7306\" data-end=\"7333\">transformadores montados en poste<\/p>\n<\/li>\n<li data-section-id=\"mrs9ge\" data-start=\"7334\" data-end=\"7361\">\n<p data-start=\"7336\" data-end=\"7361\">transformadores de subestaci\u00f3n<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"7363\" data-end=\"7538\">Si necesita ayuda para seleccionar la capacidad de transformador adecuada para su proyecto, nuestro equipo de ingenier\u00eda est\u00e1 preparado para proporcionarle <strong data-start=\"7491\" data-end=\"7537\">asistencia t\u00e9cnica y soluciones personalizadas<\/strong>.<\/p>\n\n<div class=\"wpcf7 no-js\" 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An undersized transformer may lead to overheating, voltage drops, and equipment failure, while an oversized transformer can result in unnecessary investment costs and higher no-load losses. For engineers, contractors, and industrial facility managers, understanding how to calculate [&#8230;]\n","protected":false},"author":3,"featured_media":2156,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[353,350,319,354,351,315,355,349,352,348],"class_list":["post-2155","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-electrical-transformer-guide","tag-how-to-size-a-transformer","tag-industrial-power-transformer","tag-power-distribution-transformer","tag-three-phase-transformer-sizing","tag-transformer-capacity-calculation","tag-transformer-engineering-basics","tag-transformer-kva-calculation","tag-transformer-load-calculation","tag-transformer-size-calculation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Calculate Transformer Size (kVA) for Industrial &amp; Commercial Power Systems | Transformer Capacity Guide \u2013 Yawei Transformer<\/title>\n<meta name=\"description\" content=\"Learn how to calculate transformer size (kVA) for industrial and commercial power systems. 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This complete guide explains transformer capacity formulas, sizing methods, and practical engineering examples for selecting the right distribution transformer. 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