{"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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/","title":{"rendered":"Wie berechnet man die Gr\u00f6\u00dfe eines Transformators (kVA)? Vollst\u00e4ndiger Leitfaden f\u00fcr industrielle und gewerbliche Stromversorgungssysteme"},"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\">Inhalts\u00fcbersicht<\/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=\"Inhaltsverzeichnis umschalten\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Umschalten auf<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Introduction\" >Einf\u00fchrung<\/a><\/li><\/ul><\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#What_Is_Transformer_kVA_Rating\" >Was ist die kVA-Bewertung eines Transformators?<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Power_Formula\" >Leistungsformel<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Basic_Transformer_Sizing_Formula\" >Grundlegende Formel f\u00fcr die Dimensionierung von Transformatoren<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Single-Phase_Transformer_Formula\" >Formel f\u00fcr Einphasentransformatoren<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Three-Phase_Transformer_Formula\" >Formel f\u00fcr Dreiphasentransformatoren<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Example_Industrial_Transformer_Sizing_Calculation\" >Beispiel: Berechnung der Dimensionierung von Industrietransformatoren<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Industrial_Facility_Load\" >Belastung der Industrieanlagen<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Transformer_Capacity_Calculation\" >Berechnung der Transformatorleistung<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Standard_Transformer_Sizes_Used_in_Industry\" >In der Industrie verwendete Standard-Transformatorengr\u00f6\u00dfen<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Transformer_Oversizing_vs_Undersizing\" >\u00dcber- und Unterdimensionierung von Transformatoren<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Undersized_Transformer_Risks\" >Risiken bei unterdimensionierten Transformatoren<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Oversized_Transformer_Problems\" >Probleme mit \u00fcberdimensionierten Transformatoren<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Factors_That_Affect_Transformer_Capacity_Selection\" >Faktoren, die die Auswahl der Transformatorleistung beeinflussen<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#1_Load_Type\" >1. Lasttyp<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#2_Future_Expansion\" >2. K\u00fcnftige Expansion<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#3_Ambient_Temperature\" >3. Umgebungstemperatur<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#4_Harmonic_Loads\" >4. Oberschwingungsbelastungen<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#5_Duty_Cycle\" >5. Arbeitszyklus<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Choosing_the_Right_Transformer_Type\" >Die Wahl des richtigen Transformatorentyps<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Pad-Mounted_Transformers\" >Pad-Mount-Transformatoren<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Pole-Mounted_Transformers\" >Mastenmontierte Transformatoren<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Substation_Transformers\" >Umspannwerke Transformatoren<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Typical_Transformer_Voltage_Combinations\" >Typische Transformatorspannungskombinationen<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Best_Practices_for_Transformer_Selection\" >Bew\u00e4hrte Praktiken f\u00fcr die Auswahl von Transformatoren<\/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\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/#Conclusion\" >Schlussfolgerung<\/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>Einf\u00fchrung<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"209\" data-end=\"510\">Die Wahl der richtigen Transformatorgr\u00f6\u00dfe ist eine der wichtigsten Entscheidungen bei der Auslegung von Stromversorgungssystemen. Ein unterdimensionierter Transformator kann zu \u00dcberhitzung, Spannungsabfall und Ger\u00e4teausfall f\u00fchren, w\u00e4hrend ein \u00fcberdimensionierter Transformator unn\u00f6tige Investitionskosten und h\u00f6here Leerlaufverluste verursachen kann.<\/p>\n<p data-start=\"512\" data-end=\"701\">F\u00fcr Ingenieure, Bauunternehmer und Manager von Industrieanlagen ist es wichtig zu verstehen <strong data-start=\"588\" data-end=\"635\">wie man die Transformatorleistung (kVA) berechnet<\/strong> ist eine wesentliche Voraussetzung f\u00fcr eine zuverl\u00e4ssige und effiziente Energieverteilung.<\/p>\n<p data-start=\"703\" data-end=\"878\">In diesem Leitfaden erkl\u00e4ren wir die <strong data-start=\"733\" data-end=\"829\">Formel f\u00fcr die Dimensionierung von Transformatoren, Berechnungsmethoden, reale Beispiele und praktische \u00dcberlegungen<\/strong> die in industriellen und gewerblichen Stromversorgungssystemen verwendet werden.<\/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>Was ist die kVA-Bewertung eines Transformators?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"920\" data-end=\"1017\">Die Kapazit\u00e4t eines Transformators wird \u00fcblicherweise ausgedr\u00fcckt in <strong data-start=\"976\" data-end=\"1001\">kVA (Kilovolt-Ampere)<\/strong> und nicht in kW.<\/p>\n<p data-start=\"1019\" data-end=\"1096\">Dies liegt daran, dass Transformatoren Folgendes liefern <strong data-start=\"1056\" data-end=\"1074\">Scheinleistung<\/strong>, die beides umfasst:<\/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\">Wirkleistung (kW)<\/strong> - die von den Ger\u00e4ten tats\u00e4chlich genutzte Leistung<\/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\">Blindleistung (kVAR)<\/strong> - Leistungsbedarf von induktiven Lasten wie Motoren<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1241\" data-end=\"1314\">Die Beziehung zwischen ihnen wird bestimmt durch die <strong data-start=\"1292\" data-end=\"1313\">Leistungsfaktor (PF)<\/strong>.<\/p>\n<h3 data-section-id=\"1utk5tj\" data-start=\"1316\" data-end=\"1333\"><span class=\"ez-toc-section\" id=\"Power_Formula\"><\/span>Leistungsformel<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"1335\" data-end=\"1358\">kVA = kW \u00f7 Leistungsfaktor<\/p>\n<p data-start=\"1360\" data-end=\"1372\">Zum Beispiel:<\/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\">Last = 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\">Leistungsfaktor = 0,8<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1416\" data-end=\"1442\">Erforderliche Transformatorgr\u00f6\u00dfe:<\/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\">In der Praxis w\u00e4hlen die Ingenieure in der Regel die <strong data-start=\"1517\" data-end=\"1553\">n\u00e4chste Standard-Transformatorleistung<\/strong>, wie zum Beispiel <a href=\"https:\/\/yawei-powertransformer.com\/de\/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>Grundlegende Formel f\u00fcr die Dimensionierung von Transformatoren<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"1618\" data-end=\"1692\">Die Transformatorleistung kann auch anhand von Spannung und Strom berechnet werden.<\/p>\n<h3 data-section-id=\"ominnv\" data-start=\"1694\" data-end=\"1730\"><span class=\"ez-toc-section\" id=\"Single-Phase_Transformer_Formula\"><\/span>Formel f\u00fcr Einphasentransformatoren<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"1732\" data-end=\"1764\">kVA = (Spannung \u00d7 Strom) \u00f7 1000<\/p>\n<p data-start=\"1766\" data-end=\"1774\">Beispiel:<\/p>\n<p data-start=\"1776\" data-end=\"1809\">Spannung = 240 V<br data-start=\"1791\" data-end=\"1794\" \/>Stromst\u00e4rke = 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>Formel f\u00fcr Dreiphasentransformatoren<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"1898\" data-end=\"1965\">F\u00fcr industrielle Systeme werden in der Regel Drehstromtransformatoren verwendet.<\/p>\n<p data-start=\"1967\" data-end=\"2004\">kVA = (\u221a3 \u00d7 Spannung \u00d7 Strom) \u00f7 1000<\/p>\n<p data-start=\"2006\" data-end=\"2014\">Beispiel:<\/p>\n<p data-start=\"2016\" data-end=\"2049\">Spannung = 480 V<br data-start=\"2031\" data-end=\"2034\" \/>Stromst\u00e4rke = 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\">Daher ist eine <strong data-start=\"2119\" data-end=\"2142\">100 kVA Transformator<\/strong> in der Regel ausgew\u00e4hlt werden w\u00fcrde.<\/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>Beispiel: Berechnung der Dimensionierung von Industrietransformatoren<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"2232\" data-end=\"2266\">Schauen wir uns ein praktisches Beispiel an.<\/p>\n<h3 data-section-id=\"ixwew2\" data-start=\"2268\" data-end=\"2296\"><span class=\"ez-toc-section\" id=\"Industrial_Facility_Load\"><\/span>Belastung der Industrieanlagen<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"2298\" data-end=\"2319\">Gesamtanschlusswert:<\/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\">Ausr\u00fcstung<\/th>\n<th class=\"et2\" style=\"width: 39.6117%;\" width=\"96\">Strom<\/th>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 60.1942%;\" width=\"148\" height=\"33\">Motoren<\/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\">Beleuchtung<\/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\">Ausr\u00fcstung<\/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\">Gesamtbelastung:<\/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\">Gehen Sie von einem durchschnittlichen Leistungsfaktor aus:<\/p>\n<p data-start=\"2499\" data-end=\"2511\"><strong data-start=\"2499\" data-end=\"2511\">PF = 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>Berechnung der Transformatorleistung<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\">Ingenieure f\u00fcgen in der Regel eine <strong data-start=\"2616\" data-end=\"2640\">20-25% Sicherheitsspanne<\/strong>.<\/p>\n<p data-start=\"2643\" data-end=\"2672\">Empfohlene Transformatorgr\u00f6\u00dfe:<\/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\">Dies bietet Raum f\u00fcr:<\/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\">Lastschwankung<\/p>\n<\/li>\n<li data-section-id=\"18pevce\" data-start=\"2731\" data-end=\"2760\">\n<p data-start=\"2733\" data-end=\"2760\">Ger\u00e4teanlaufstrom<\/p>\n<\/li>\n<li data-section-id=\"163ytjo\" data-start=\"2761\" data-end=\"2779\">\n<p data-start=\"2763\" data-end=\"2779\">zuk\u00fcnftige Expansion<\/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>In der Industrie verwendete Standard-Transformatorengr\u00f6\u00dfen<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"2833\" data-end=\"2889\">Die meisten Hersteller geben Standard-Transformatorleistungen an.<\/p>\n<p data-start=\"2891\" data-end=\"2938\">Typische Gr\u00f6\u00dfen von Verteiltransformatoren sind:<\/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\">Anmeldung<\/th>\n<th class=\"et2\" style=\"width: 51.068%;\" width=\"284\">Typische Transformatorgr\u00f6\u00dfe<\/th>\n<\/tr>\n<tr style=\"height: 25.00pt;\">\n<td class=\"et3\" style=\"height: 25pt; width: 48.7379%;\" width=\"272\" height=\"33\">Kleines Gesch\u00e4ftsgeb\u00e4ude<\/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\">Einzelhandelsgesch\u00e4ft<\/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\">Mittlere gewerbliche Einrichtung<\/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\">Industrieanlage<\/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\">Gro\u00dfe industrielle Systeme<\/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\">Die Wahl der richtigen Einstufung gew\u00e4hrleistet <strong data-start=\"3275\" data-end=\"3326\">effizienter Betrieb und l\u00e4ngere Lebensdauer des Transformators<\/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>\u00dcber- und Unterdimensionierung von Transformatoren<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>Risiken bei unterdimensionierten Transformatoren<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"3408\" data-end=\"3449\">Wenn die Transformatorleistung zu gering ist:<\/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\">\u00dcberhitzung<\/p>\n<\/li>\n<li data-section-id=\"at34lw\" data-start=\"3465\" data-end=\"3489\">\n<p data-start=\"3467\" data-end=\"3489\">Verschlechterung der Isolierung<\/p>\n<\/li>\n<li data-section-id=\"7rgmbn\" data-start=\"3490\" data-end=\"3504\">\n<p data-start=\"3492\" data-end=\"3504\">Spannungsabfall<\/p>\n<\/li>\n<li data-section-id=\"rf2ay4\" data-start=\"3505\" data-end=\"3533\">\n<p data-start=\"3507\" data-end=\"3533\">verk\u00fcrzte Lebensdauer der Ger\u00e4te<\/p>\n<\/li>\n<li data-section-id=\"16cg0vi\" data-start=\"3534\" data-end=\"3564\">\n<p data-start=\"3536\" data-end=\"3564\">m\u00f6glicher Ausfall des Transformators<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3566\" data-end=\"3632\">Dies ist ein h\u00e4ufiges Problem in schnell wachsenden Industrieanlagen.<\/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>Probleme mit \u00fcberdimensionierten Transformatoren<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"3674\" data-end=\"3708\">Die \u00dcberdimensionierung hat auch Nachteile:<\/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\">h\u00f6here Anschaffungskosten<\/p>\n<\/li>\n<li data-section-id=\"1ds5k53\" data-start=\"3733\" data-end=\"3759\">\n<p data-start=\"3735\" data-end=\"3759\">erh\u00f6hte Leerlaufverluste<\/p>\n<\/li>\n<li data-section-id=\"dn369u\" data-start=\"3760\" data-end=\"3793\">\n<p data-start=\"3762\" data-end=\"3793\">geringerer Wirkungsgrad bei leichter Belastung<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3795\" data-end=\"3917\">Die beste Praxis ist daher die Auswahl eines Transformators <strong data-start=\"3851\" data-end=\"3916\">nahe an der berechneten Last mit angemessener Ausdehnungsspanne<\/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>Faktoren, die die Auswahl der Transformatorleistung beeinflussen<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"3978\" data-end=\"4045\">Bei der Wahl der Transformatorgr\u00f6\u00dfe m\u00fcssen mehrere Faktoren ber\u00fccksichtigt werden.<\/p>\n<h2 data-section-id=\"b9ep0k\" data-start=\"4047\" data-end=\"4062\"><span class=\"ez-toc-section\" id=\"1_Load_Type\"><\/span>1. Lasttyp<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4064\" data-end=\"4099\">Verschiedene Lasten verhalten sich unterschiedlich.<\/p>\n<p data-start=\"4101\" data-end=\"4110\">Beispiele:<\/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\">Motoren<\/p>\n<\/li>\n<li data-section-id=\"ufvye0\" data-start=\"4121\" data-end=\"4140\">\n<p data-start=\"4123\" data-end=\"4140\">Schwei\u00dfger\u00e4te<\/p>\n<\/li>\n<li data-section-id=\"1tr1blu\" data-start=\"4141\" data-end=\"4155\">\n<p data-start=\"4143\" data-end=\"4155\">HVAC-Systeme<\/p>\n<\/li>\n<li data-section-id=\"1d8lsid\" data-start=\"4156\" data-end=\"4183\">\n<p data-start=\"4158\" data-end=\"4183\">Antriebe mit variabler Frequenz<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4185\" data-end=\"4279\">Motorlasten erfordern h\u00e4ufig <strong data-start=\"4211\" data-end=\"4238\">h\u00f6herer Anlaufstrom<\/strong>, die bei der Bemessung ber\u00fccksichtigt werden m\u00fcssen.<\/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. K\u00fcnftige Expansion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4310\" data-end=\"4355\">Industrieanlagen werden oft im Laufe der Zeit erweitert.<\/p>\n<p data-start=\"4357\" data-end=\"4444\">Ingenieure reservieren in der Regel <strong data-start=\"4385\" data-end=\"4415\">20-30% zus\u00e4tzliche Kapazit\u00e4t<\/strong> zur Unterst\u00fctzung k\u00fcnftiger Ausr\u00fcstung.<\/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. Umgebungstemperatur<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4478\" data-end=\"4542\">Hohe Umgebungstemperaturen verringern die Effizienz der Transformatorenk\u00fchlung.<\/p>\n<p data-start=\"4544\" data-end=\"4651\">Freilufttransformatoren, die in hei\u00dfem Klima betrieben werden, ben\u00f6tigen m\u00f6glicherweise <strong data-start=\"4603\" data-end=\"4650\">h\u00f6here Kapazit\u00e4t oder verbesserte K\u00fchlmethoden<\/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. Oberschwingungsbelastungen<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4680\" data-end=\"4726\">In modernen Einrichtungen werden viele elektronische Ger\u00e4te eingesetzt:<\/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\">USV-Anlagen<\/p>\n<\/li>\n<li data-section-id=\"16uiqbk\" data-start=\"4742\" data-end=\"4756\">\n<p data-start=\"4744\" data-end=\"4756\">Datenzentren<\/p>\n<\/li>\n<li data-section-id=\"2cbyf7\" data-start=\"4757\" data-end=\"4769\">\n<p data-start=\"4759\" data-end=\"4769\">VFD-Antriebe<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4771\" data-end=\"4848\">Diese schaffen <strong data-start=\"4784\" data-end=\"4807\">harmonische Verzerrung<\/strong>, was die Erw\u00e4rmung des Transformators erh\u00f6hen kann.<\/p>\n<p data-start=\"4850\" data-end=\"4928\">In solchen F\u00e4llen, <strong data-start=\"4865\" data-end=\"4889\">K-Transformatoren<\/strong> oder eine gr\u00f6\u00dfere Kapazit\u00e4t empfohlen werden kann.<\/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. Arbeitszyklus<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4953\" data-end=\"5046\">Kontinuierliche Lasten erfordern eine konservativere Dimensionierung des Transformators im Vergleich zu intermittierenden Lasten.<\/p>\n<p data-start=\"5048\" data-end=\"5060\">Zum Beispiel:<\/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\">Datenzentren<\/p>\n<\/li>\n<li data-section-id=\"ta3igl\" data-start=\"5079\" data-end=\"5102\">\n<p data-start=\"5081\" data-end=\"5102\">Fertigungslinien<\/p>\n<\/li>\n<li data-section-id=\"sjfnj8\" data-start=\"5103\" data-end=\"5124\">\n<p data-start=\"5105\" data-end=\"5124\">Bergbaubetriebe<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5126\" data-end=\"5168\">Diese Anwendungen arbeiten h\u00e4ufig <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>Die Wahl des richtigen Transformatorentyps<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"5214\" data-end=\"5314\">Nach der Bestimmung der Transformatorleistung ist der n\u00e4chste Schritt die Auswahl des geeigneten Transformatorentyps.<\/p>\n<p data-start=\"5316\" data-end=\"5339\">\u00dcbliche Optionen sind:<\/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\/de\/Wholesale\/pad-mounted-transformers\/\">Pad-Mount-Transformatoren<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5371\" data-end=\"5379\">Verwendet in:<\/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\">Gesch\u00e4ftsh\u00e4user<\/p>\n<\/li>\n<li data-section-id=\"1urpppc\" data-start=\"5404\" data-end=\"5430\">\n<p data-start=\"5406\" data-end=\"5430\">Wohnungsverteilung<\/p>\n<\/li>\n<li data-section-id=\"55i7ys\" data-start=\"5431\" data-end=\"5449\">\n<p data-start=\"5433\" data-end=\"5449\">Industrieparks<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5451\" data-end=\"5462\">Vorteile:<\/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\">ebenerdiger Einbau<\/p>\n<\/li>\n<li data-section-id=\"u862n1\" data-start=\"5492\" data-end=\"5508\">\n<p data-start=\"5494\" data-end=\"5508\">kompaktes Design<\/p>\n<\/li>\n<li data-section-id=\"1vjmu16\" data-start=\"5509\" data-end=\"5526\">\n<p data-start=\"5511\" data-end=\"5526\">verbesserte Sicherheit<\/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\/de\/wholesale\/masttransformatoren\/\">Mastenmontierte Transformatoren<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5564\" data-end=\"5574\">Gemeinsam in:<\/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\">l\u00e4ndliche Energieverteilung<\/p>\n<\/li>\n<li data-section-id=\"d90kuk\" data-start=\"5603\" data-end=\"5625\">\n<p data-start=\"5605\" data-end=\"5625\">Hochspannungsfreileitungen<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5627\" data-end=\"5638\">Vorteile:<\/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\">niedrige Installationskosten<\/p>\n<\/li>\n<li data-section-id=\"mncdep\" data-start=\"5664\" data-end=\"5687\">\n<p data-start=\"5666\" data-end=\"5687\">einfache Infrastruktur<\/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\/de\/wholesale\/umspannwerkstransformatoren\/\">Umspannwerke Transformatoren<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5723\" data-end=\"5731\">Verwendet in:<\/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\">Versorgungsunterstationen<\/p>\n<\/li>\n<li data-section-id=\"x1cecj\" data-start=\"5755\" data-end=\"5769\">\n<p data-start=\"5757\" data-end=\"5769\">Kraftwerke<\/p>\n<\/li>\n<li data-section-id=\"hpldn5\" data-start=\"5770\" data-end=\"5799\">\n<p data-start=\"5772\" data-end=\"5799\">gro\u00dfe Industrieanlagen<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5801\" data-end=\"5812\">Vorteile:<\/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\">hohe Kapazit\u00e4t<\/p>\n<\/li>\n<li data-section-id=\"1syx66s\" data-start=\"5830\" data-end=\"5855\">\n<p data-start=\"5832\" data-end=\"5855\">Hochspannungsf\u00e4higkeit<\/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>Typische Transformatorspannungskombinationen<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"5906\" data-end=\"5977\">In Industrietransformatoren werden h\u00e4ufig die folgenden Spannungskonfigurationen verwendet:<\/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\">Prim\u00e4re Spannung<\/th>\n<th class=\"et3\" style=\"width: 51.068%;\" width=\"284\">Sekund\u00e4re Spannung<\/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\">Die genaue Konfiguration h\u00e4ngt von der <strong data-start=\"6170\" data-end=\"6206\">Entwurf eines Energieverteilungssystems<\/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>Bew\u00e4hrte Praktiken f\u00fcr die Auswahl von Transformatoren<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"6258\" data-end=\"6308\">Elektroingenieure folgen in der Regel diesen Schritten:<\/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\">Berechnung der Gesamtanschlussleistung<\/p>\n<\/li>\n<li data-section-id=\"om61f\" data-start=\"6346\" data-end=\"6375\">\n<p data-start=\"6349\" data-end=\"6375\">Systemspannung bestimmen<\/p>\n<\/li>\n<li data-section-id=\"140nz31\" data-start=\"6376\" data-end=\"6412\">\n<p data-start=\"6379\" data-end=\"6412\">Berechnung der erforderlichen kVA-Leistung<\/p>\n<\/li>\n<li data-section-id=\"d7v4m6\" data-start=\"6413\" data-end=\"6449\">\n<p data-start=\"6416\" data-end=\"6449\">Sicherheitsspielraum f\u00fcr Expansion hinzuf\u00fcgen<\/p>\n<\/li>\n<li data-section-id=\"1abqkeq\" data-start=\"6450\" data-end=\"6490\">\n<p data-start=\"6453\" data-end=\"6490\">Geeigneten Transformator-Typ ausw\u00e4hlen<\/p>\n<\/li>\n<li data-section-id=\"17s1z5\" data-start=\"6491\" data-end=\"6545\">\n<p data-start=\"6494\" data-end=\"6545\">Best\u00e4tigen Sie die Installationsumgebung (innen\/au\u00dfen)<\/p>\n<\/li>\n<\/ol>\n<p data-start=\"6547\" data-end=\"6635\">Die Befolgung dieser Schritte tr\u00e4gt dazu bei, dass <strong data-start=\"6582\" data-end=\"6634\">sichere, zuverl\u00e4ssige und effiziente Energieverteilung<\/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>Schlussfolgerung<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p data-start=\"6656\" data-end=\"6866\">Die richtige Dimensionierung von Transformatoren ist f\u00fcr eine zuverl\u00e4ssige elektrische Systemleistung von entscheidender Bedeutung. Die Wahl der richtigen Transformatorleistung tr\u00e4gt dazu bei, \u00dcberhitzung zu vermeiden, Verluste zu reduzieren und langfristige Betriebsstabilit\u00e4t zu gew\u00e4hrleisten.<\/p>\n<p data-start=\"6868\" data-end=\"7073\">Durch die Verwendung der richtigen <strong data-start=\"6888\" data-end=\"6916\">Formeln f\u00fcr die kVA-Berechnung<\/strong>, Durch die Bewertung der Lastcharakteristiken und die Ber\u00fccksichtigung zuk\u00fcnftiger Erweiterungen k\u00f6nnen Ingenieure den optimalen Transformator f\u00fcr industrielle und kommerzielle Anwendungen ausw\u00e4hlen.<\/p>\n<p data-start=\"7075\" data-end=\"7243\">Als Fachmann <strong data-start=\"7093\" data-end=\"7127\"><a href=\"https:\/\/yawei-powertransformer.com\/de\/Wholesale\/hv-power-transformers\/\">Netztransformator<\/a> Hersteller<\/strong>, Yawei Transformer bietet ma\u00dfgeschneiderte Transformatorl\u00f6sungen f\u00fcr globale Industrie- und Versorgungsprojekte, darunter:<\/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\">Verteilungstransformatoren<\/p>\n<\/li>\n<li data-section-id=\"bcegqc\" data-start=\"7275\" data-end=\"7303\">\n<p data-start=\"7277\" data-end=\"7303\">Aufbautransformatoren<\/p>\n<\/li>\n<li data-section-id=\"yj4ljr\" data-start=\"7304\" data-end=\"7333\">\n<p data-start=\"7306\" data-end=\"7333\">mastmontierte Transformatoren<\/p>\n<\/li>\n<li data-section-id=\"mrs9ge\" data-start=\"7334\" data-end=\"7361\">\n<p data-start=\"7336\" data-end=\"7361\">Umspannwerkstransformatoren<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"7363\" data-end=\"7538\">Wenn Sie Unterst\u00fctzung bei der Auswahl der richtigen Transformatorleistung f\u00fcr Ihr Projekt ben\u00f6tigen, steht Ihnen unser Ingenieurteam zur Verf\u00fcgung <strong data-start=\"7491\" data-end=\"7537\">technische Unterst\u00fctzung und ma\u00dfgeschneiderte L\u00f6sungen<\/strong>.<\/p>\n\n<div 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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. This complete guide explains transformer capacity formulas, sizing methods, and practical engineering examples for selecting the right distribution transformer. Provided by Yawei Transformer, a professional power transformer manufacturer.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/yawei-powertransformer.com\/de\/how-to-calculate-transformer-size-kva-complete-guide-for-industrial-and-commercial-power-systems\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Calculate Transformer Size (kVA) for Industrial &amp; Commercial Power Systems | Transformer Capacity Guide \u2013 Yawei Transformer\" \/>\n<meta property=\"og:description\" content=\"Learn how to calculate transformer size (kVA) for industrial and commercial power systems. This complete guide explains transformer capacity formulas, sizing methods, and practical engineering examples for selecting the right distribution transformer. 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