{"id":8717,"date":"2024-07-15T12:21:08","date_gmt":"2024-07-15T10:21:08","guid":{"rendered":"https:\/\/www.neo-messtechnik.com\/?p=8717"},"modified":"2025-10-07T10:38:45","modified_gmt":"2025-10-07T08:38:45","slug":"unbalance-of-single-phase-charging-stations","status":"publish","type":"post","link":"https:\/\/www.neo-messtechnik.com\/de\/unbalance-of-single-phase-charging-stations","title":{"rendered":"Unsymmetrie von einphasigen Ladestationen"},"content":{"rendered":"<p class=\"has-text-align-left has-black-color has-text-color has-link-color wp-elements-3199edccd3bd29551ce8e8a227d6a59b translation-block\">Wenn ein Elektrofahrzeug zu Hause geladen wird, bewegen sich einige Ladeger\u00e4te im einphasigen Modus.<br>Einige Ladestationen erlauben einphasiges Laden mit \u00dcberschreitung der einphasigen Stromgrenze laut Norm.<br>\nLaut <a href=\"https:\/\/www.e-control.at\/documents\/1785851\/1811582\/TOR_Verteilernetzanschluss_-_Niederspannung_V1.2.pdf\/e1f3db67-1dbf-6329-9fe6-1ce63c9b4bd4?t=1720509810680\" target=\"_self\">TOR <\/a>ist dieser Strom in \u00d6sterreich mit 16A und 20A (VDE-Norm) in Deutschland begrenzt.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-c5b4a0fa7dac774e680f4426a61b8a82\">Unterschiedliche Spannungsniveaus auf den drei Phasen und eine Sternpunktverschiebung sowie hohe Neutralleiterstr\u00f6me k\u00f6nnen auftreten. Eine Unsymmetrie f\u00fchrt zu einer st\u00e4rkeren Erw\u00e4rmung der elektrischen Ger\u00e4te und verk\u00fcrzt deren Lebensdauer.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-de252a86746b11bef7ea1fac6131e0d4\">Einphasige Ladeger\u00e4te k\u00f6nnen erheblichen Einfluss haben, w\u00e4hrend auch dreiphasige Ladeger\u00e4te Wirkung zeigen k\u00f6nnen, da sie nicht immer perfekt ausbalanciert sind oder manchmal nur zwei Phasen f\u00fcr bestimmte Ladezust\u00e4nde nutzen. In einigen F\u00e4llen wird eine Phase w\u00e4hrend des gesamten Ladevorgangs gar nicht aktiviert, w\u00e4hrend andere Ladestrategien die drei Phasen zu unterschiedlichen Zeiten verwenden, was wiederum zu tempor\u00e4ren Unsymmetrie im System f\u00fchren kann.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Inhaltsverzeichnis<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a07cfc9f0226\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #000000;color:#000000\" 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: #000000;color:#000000\" 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><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a07cfc9f0226\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.neo-messtechnik.com\/de\/unbalance-of-single-phase-charging-stations\/#Experiment_%E2%80%93_Charging_with_23Arms\" >Experiment \u2013 Laden mit 23Arms<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.neo-messtechnik.com\/de\/unbalance-of-single-phase-charging-stations\/#Where_can_I_get_more_information\" >Wo finde ich weitere Informationen?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Experiment_%E2%80%93_Charging_with_23Arms\"><\/span>Experiment \u2013 Laden mit 23Arms<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1013\" height=\"548\" src=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2024\/07\/Screenshot-2024-07-15-113101.png\" alt=\"\" class=\"wp-image-8720\" style=\"width:668px;height:auto\" srcset=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2024\/07\/Screenshot-2024-07-15-113101.png 1013w, https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2024\/07\/Screenshot-2024-07-15-113101-300x162.png 300w, https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2024\/07\/Screenshot-2024-07-15-113101-18x10.png 18w\" sizes=\"auto, (max-width: 1013px) 100vw, 1013px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-left has-black-color has-text-color has-link-color wp-elements-77690c19070b73ce0d0876056b48ffe4\">Hier wird ein Elektrofahrzeug einphasig mit 23 A geladen. <\/p>\n\n\n\n<p class=\"has-text-align-left has-black-color has-text-color has-link-color wp-elements-1bb53e7250775f7e6bb93581ffed2ea0 translation-block\">W\u00e4hrend des Experiments hat der Power Quality Messger\u00e4t <a href=\"https:\/\/www.neo-messtechnik.com\/de\/pqa8000\/\" target=\"_self\">PQA8000H<\/a> eine Unterspannung im B\u00fcro in <a href=\"https:\/\/maps.app.goo.gl\/EPRV5gKsysHFL8V3A\" target=\"_self\">Z\u00f6bern, \u00d6sterreich<\/a> festgestellt. Dies ist in der folgenden Abbildung zu sehen:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1271\" height=\"703\" src=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2024\/07\/Unymmetrical-EV-charging.png\" alt=\"\" class=\"wp-image-8833\" style=\"width:698px;height:auto\" srcset=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2024\/07\/Unymmetrical-EV-charging.png 1271w, https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2024\/07\/Unymmetrical-EV-charging-300x166.png 300w, https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2024\/07\/Unymmetrical-EV-charging-1024x566.png 1024w, https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2024\/07\/Unymmetrical-EV-charging-1085x600.png 1085w, https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2024\/07\/Unymmetrical-EV-charging-18x10.png 18w\" sizes=\"auto, (max-width: 1271px) 100vw, 1271px\" \/><\/figure>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-ff4f9e231298860864875a3bbe58bafa\">Aufgrund des unsymmetrischen Stroms f\u00e4llt die Spannung der belasteten Phase ab (blau). Im Niederspannungsnetz ist ein Spannungsabfall von bis zu 10 % zul\u00e4ssig. Dies bedeutet, dass die untere Grenze bei 207 V erreicht wird.<\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-link-color wp-elements-da45e16d8efafd538a2e2fad000b1e59\">Die Verwendung von langen Verl\u00e4ngerungskabeln oder ein zu geringer Durchmesser der Elektroinstallation verst\u00e4rken diesen Effekt. Das Ladeger\u00e4t k\u00f6nnte den Ladevorgang nicht starten oder ihn nach kurzer Zeit wieder abbrechen.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Where_can_I_get_more_information\"><\/span>Wo finde ich weitere Informationen?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-kadence-iconlist kt-svg-icon-list-items kt-svg-icon-list-items8717_a81170-9a kt-svg-icon-list-columns-1 alignnone kt-list-icon-aligntop\"><ul class=\"kt-svg-icon-list\">\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-8717_69611d-d3 kt-svg-icon-list-style-default\"><span data-name=\"fe_checkCircle\" data-stroke=\"2\" data-class=\"kt-svg-icon-list-single\" class=\"kadence-dynamic-icon\"><\/span><span class=\"kt-svg-icon-list-text\">Klicken Sie einfach auf den Link und <strong><a href=\"https:\/\/www.neo-messtechnik.com\/de\/pqa8000\/\">besuchen Sie unsere Produktseite<\/a><\/strong><\/span><\/li>\n\n\n\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-8717_d79890-72 kt-svg-icon-list-style-default\"><span data-name=\"fe_checkCircle\" data-stroke=\"2\" data-class=\"kt-svg-icon-list-single\" class=\"kadence-dynamic-icon\"><\/span><span class=\"kt-svg-icon-list-text\">Fordern Sie online eine <strong>Produktvorstellung an<\/strong><\/span><\/li>\n\n\n\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-8717_ecbca0-63 kt-svg-icon-list-style-default\"><span data-name=\"fe_checkCircle\" data-stroke=\"2\" data-class=\"kt-svg-icon-list-single\" class=\"kadence-dynamic-icon\"><\/span><span class=\"kt-svg-icon-list-text\">Wir sind per <a href=\"https:\/\/www.neo-messtechnik.com\/de\/ueber-uns\/\" target=\"_blank\" rel=\"noreferrer noopener\">Telefon<\/a> oder E-Mail f\u00fcr Sie erreichbar. Wir freuen uns auf Ihre Anfrage:<\/span><\/li>\n\n\n\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-8717_de49b7-ba kt-svg-icon-list-style-default\"><span data-name=\"fe_checkCircle\" data-stroke=\"2\" data-class=\"kt-svg-icon-list-single\" class=\"kadence-dynamic-icon\"><\/span><span class=\"kt-svg-icon-list-text\">\u00d6sterreich:<br><strong>+43 2642 20301<\/strong><\/span><\/li>\n<\/ul><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<p class=\"has-text-align-center\"><strong><a href=\"mailto:sales@neo-messtechnik.com\">\u00d6sterreich<\/a><\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center\"><strong><a href=\"mailto:info@schotec.ch\">Schweiz<\/a><\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center\"><strong><a href=\"mailto:neo@neomez.com\">S\u00fcdkorea<\/a><\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center\"><strong><a href=\"mailto:sales@dewe-tech.cn\">China<\/a><\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<p class=\"translation-block\">Ihre <a href=\"https:\/\/www.linkedin.com\/company\/neo-messtechnik\/\" target=\"_self\" rel=\"noreferrer noopener\">NEO Messtechnik Experten<\/a><\/p>\n\n\n\n<ul class=\"wp-block-social-links is-layout-flex wp-block-social-links-is-layout-flex\"><li class=\"wp-social-link wp-social-link-linkedin  wp-block-social-link\"><a href=\"https:\/\/linkedin.com\/company\/neo-messtechnik\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M19.7,3H4.3C3.582,3,3,3.582,3,4.3v15.4C3,20.418,3.582,21,4.3,21h15.4c0.718,0,1.3-0.582,1.3-1.3V4.3 C21,3.582,20.418,3,19.7,3z M8.339,18.338H5.667v-8.59h2.672V18.338z M7.004,8.574c-0.857,0-1.549-0.694-1.549-1.548 c0-0.855,0.691-1.548,1.549-1.548c0.854,0,1.547,0.694,1.547,1.548C8.551,7.881,7.858,8.574,7.004,8.574z M18.339,18.338h-2.669 v-4.177c0-0.996-0.017-2.278-1.387-2.278c-1.389,0-1.601,1.086-1.601,2.206v4.249h-2.667v-8.59h2.559v1.174h0.037 c0.356-0.675,1.227-1.387,2.526-1.387c2.703,0,3.203,1.779,3.203,4.092V18.338z\"><\/path><\/svg><span class=\"wp-block-social-link-label screen-reader-text\">LinkedIn<\/span><\/a><\/li>\n\n<li class=\"wp-social-link wp-social-link-youtube  wp-block-social-link\"><a href=\"https:\/\/www.youtube.com\/channel\/UC0SItHb-UNY0WNUhQtqhB7w\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M21.8,8.001c0,0-0.195-1.378-0.795-1.985c-0.76-0.797-1.613-0.801-2.004-0.847c-2.799-0.202-6.997-0.202-6.997-0.202 h-0.009c0,0-4.198,0-6.997,0.202C4.608,5.216,3.756,5.22,2.995,6.016C2.395,6.623,2.2,8.001,2.2,8.001S2,9.62,2,11.238v1.517 c0,1.618,0.2,3.237,0.2,3.237s0.195,1.378,0.795,1.985c0.761,0.797,1.76,0.771,2.205,0.855c1.6,0.153,6.8,0.201,6.8,0.201 s4.203-0.006,7.001-0.209c0.391-0.047,1.243-0.051,2.004-0.847c0.6-0.607,0.795-1.985,0.795-1.985s0.2-1.618,0.2-3.237v-1.517 C22,9.62,21.8,8.001,21.8,8.001z M9.935,14.594l-0.001-5.62l5.404,2.82L9.935,14.594z\"><\/path><\/svg><span class=\"wp-block-social-link-label screen-reader-text\">YouTube<\/span><\/a><\/li><\/ul>","protected":false},"excerpt":{"rendered":"<p>If an electric vehicle is charged at home some chargers operate in single phase mode.Some charging stations allow single-phase charging above the single-phase unbalanced load current limit.According to TOR the single phase current is limited with 16A in Austria and 20A (VDE-standard) in Germany. Different voltage levels on the three phases and a shifted neutral [&hellip;]<\/p>\n","protected":false},"author":2140,"featured_media":8724,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[50,1],"tags":[104,105,103],"class_list":["post-8717","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-and-trends","category-pq-essentials","tag-electric-vehicle","tag-single-phase-charging","tag-unbalance"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Unbalance of single-phase charging stations - NEO Messtechnik<\/title>\n<meta name=\"description\" content=\"The 2nd edition of the blog post &quot;Types of faults in photovoltaic modules&quot; is coming late but still. 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