{"id":10373,"date":"2026-01-16T11:00:39","date_gmt":"2026-01-16T10:00:39","guid":{"rendered":"https:\/\/www.neo-messtechnik.com\/?p=10373"},"modified":"2026-01-16T11:00:42","modified_gmt":"2026-01-16T10:00:42","slug":"evaluation-and-characterization-of-direct-current-emissions-caused-by-inverters-in-the-distribution-grids","status":"publish","type":"post","link":"http:\/\/www.neo-messtechnik.com\/de\/evaluation-and-characterization-of-direct-current-emissions-caused-by-inverters-in-the-distribution-grids","title":{"rendered":"Bewertung und Charakterisierung von Gleichstromemissionen durch Wechselrichter in Verteilnetzen"},"content":{"rendered":"<p><strong>Hintergrund<\/strong><\/p>\n\n\n\n<p>Die Expansion von Photovoltaikanlagen und Elektrofahrzeug-Ladestationen beschleunigt sich rasant. \u00d6sterreich hat 2023 \u00fcber 2 GWp an PV-Leistung hinzugef\u00fcgt, w\u00e4hrend die EV-Ladepunkte innerhalb eines Jahres um fast 50% zugenommen haben. Doch dieses Wachstum an Leistungselektronik bringt eine neue Herausforderung mit sich: Gleichstromemissionen in AC-Verteilnetzen werden zu einem zunehmenden Problem.<\/p>\n\n\n\n<p>F\u00fcr Gleichstromemissionen fehlen umfassende internationale Standards. Dennoch sind ihre Auswirkungen auf Transformatoren, Kabel und Netzinfrastruktur erheblich. Die zentrale Herausforderung? Die genaue Messung dieser Emissionen ist extrem schwierig und erfordert hochpr\u00e4zise Messtechnik.<\/p>\n\n\n\n<p class=\"translation-block\">Standard AC\/DC-Wandler k\u00f6nnen die Emissionen nicht genau genug erfassen\u2014und somit auch nicht korrigieren. Bei NEO Messtechnik haben wir die spezialisierte Messtechnik entwickelt, die f\u00fcr diese Herausforderung n\u00f6tig ist. Unsere Forschungskooperation mit der Fachhochschule Technikum Wien nutzt hochpr\u00e4zisen Fluxgate-Stromwandler und den <a href=\"https:\/\/www.neo-messtechnik.com\/de\/pqa8000\/\" target=\"_blank\" rel=\"noreferrer noopener\">PQA8000H Netzanalysator <\/a>, um diese unsichtbaren Emissionen endlich sichtbar und messbar zu machen.<\/p>\n\n\n\n<p><strong>Zusammenfassung dieses IEEE-Artikels<\/strong><\/p>\n\n\n\n<p>Die Expansion verteilter erneuerbarer Energietechnologien wie Photovoltaiksysteme und Elektrofahrzeug-Ladestationen sowie deren aktive Leistungselektronik verursacht Gleichstromemissionen (DC) in den elektrischen AC-Verteilnetzen, die derzeit nicht \u00fcberwacht werden. Obwohl Emissionen im harmonischen Frequenzbereich (50 Hz bis 2 kHz) gut standardisiert sind, sind f\u00fcr DC-Emissionen noch keine Standards definiert. Das Vers\u00e4umnis, DC-Emissionen zu erkennen und zu standardisieren, hat jedoch erhebliche negative Auswirkungen auf das \u00f6ffentliche Netz durch Netzst\u00f6rungen oder Qualit\u00e4tsverluste. Mess- und Schutzsysteme sind ebenso betroffen wie thermische Effekte an Kabeln oder Transformatoren. In dieser Studie werden die DC-Stromemissionen von EV-Ladestationen und PV-Systemen am nachgebildeten elektrischen Verteilnetz der Fachhochschule Technikum Wien analysiert und charakterisiert. Die Ergebnisse zeigen, dass die DC-Stromemissionen vom Design der aktiven Leistungselektronik in V2G-Ladeger\u00e4ten und Photovoltaiksystemen abh\u00e4ngen und wie sie bei verschiedenen Leistungsniveaus (niedrige Leistung vs. hohe Leistung) variieren. Die Forschung zeigt, dass die Emissionen von einer einzelnen EV-Ladestation bis zu 200 mA erreichen k\u00f6nnen.<\/p>\n\n\n\n<p><strong>Lesen Sie den vollst\u00e4ndigen IEEE-Artikel f\u00fcr detaillierte Informationen zur Methodik, zu den Messergebnissen und zur technischen Analyse:<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/ieeexplore.ieee.org\/stamp\/stamp.jsp?tp=&amp;arnumber=11284288\" target=\"_blank\" rel=\"noreferrer noopener\">Mehr lesen <\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:34px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Wo finde ich weitere Informationen?<\/h2>\n\n\n\n<div class=\"wp-block-kadence-iconlist kt-svg-icon-list-items kt-svg-icon-list-items9192_15606c-6e kt-svg-icon-list-columns-1 alignnone kt-list-icon-aligntop\"><ul class=\"kt-svg-icon-list\">\n\n<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-9192_f82be5-97 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<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-9192_e42d37-57 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<li class=\"wp-block-kadence-listitem kt-svg-icon-list-item-wrap kt-svg-icon-list-item-9192_5e5766-9f 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\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>Ihre <a href=\"https:\/\/www.linkedin.com\/company\/neo-messtechnik\/\">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>As power electronics multiply in our grids, DC emissions create invisible problems. The challenge: measuring them requires precision most equipment simply doesn&#8217;t have.<\/p>","protected":false},"author":1,"featured_media":10376,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[50,1],"tags":[132],"class_list":["post-10373","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-and-trends","category-pq-essentials","tag-research"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DC Emissions from Inverters: Why Precision Measurement Matters<\/title>\n<meta name=\"description\" content=\"DC emissions from PV inverters &amp; EV chargers are growing problems in AC grids - and standard converters can&#039;t measure them accurately.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.neo-messtechnik.com\/de\/evaluation-and-characterization-of-direct-current-emissions-caused-by-inverters-in-the-distribution-grids\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DC Emissions from Inverters: Why Precision Measurement Matters\" \/>\n<meta property=\"og:description\" content=\"DC emissions from PV inverters &amp; EV chargers are growing problems in AC grids - 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