{"id":7309,"date":"2021-05-03T10:43:42","date_gmt":"2021-05-03T08:43:42","guid":{"rendered":"https:\/\/www.neo-messtechnik.com\/?p=7309"},"modified":"2025-10-07T10:39:17","modified_gmt":"2025-10-07T08:39:17","slug":"iec-61400-4-30-klasse-a-erklaert","status":"publish","type":"post","link":"http:\/\/www.neo-messtechnik.com\/de\/iec-61400-4-30-class-a","title":{"rendered":"IEC 61000-4-30 Class A Power Quality Analyzer erkl\u00e4rt"},"content":{"rendered":"<p><strong>Die IEC 61000-4-30 Ed. 3 definiert die Methoden zur Messung und Interpretation der Ergebnisse f\u00fcr Netzqualit\u00e4ts-Parameter in Wechselstrom-Versorgungssystemen mit einer deklarierten Grundfrequenz von 50 Hz oder 60 Hz. Lassen Sie uns einen genaueren Blick auf die Klassifizierung der Klasse A werfen und wie sie sich auf Ihre Entscheidung f\u00fcr ein Netzqualit\u00e4ts-Messger\u00e4t auswirkt.<\/strong><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 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-69de678bcf1ae\" 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-69de678bcf1ae\" 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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/www.neo-messtechnik.com\/de\/iec-61400-4-30-class-a\/#Introduction\" >Einleitung<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/www.neo-messtechnik.com\/de\/iec-61400-4-30-class-a\/#No_standards_no_problems\" >Keine Norm. Keine Probleme?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"http:\/\/www.neo-messtechnik.com\/de\/iec-61400-4-30-class-a\/#What_is_the_IEC_61000-4-30_Ed_3_standard\" >Was besagt die IEC 61000-4-30 Ed. 3?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/www.neo-messtechnik.com\/de\/iec-61400-4-30-class-a\/#IEC_61000-4-30_Measurement_Classes\" >IEC 61000-4-30 Measurement Classes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"http:\/\/www.neo-messtechnik.com\/de\/iec-61400-4-30-class-a\/#What_does_Class_A_mean_according_to_the_IEC_61000-4-30\" >Was bedeutet Klasse A nach der IEC 61000-4-30?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"http:\/\/www.neo-messtechnik.com\/de\/iec-61400-4-30-class-a\/#Measurement_uncertainty\" >Messunsicherheit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"http:\/\/www.neo-messtechnik.com\/de\/iec-61400-4-30-class-a\/#Voltage_flagging\" >Voltage flagging<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"http:\/\/www.neo-messtechnik.com\/de\/iec-61400-4-30-class-a\/#Time_aggregation_of_PQ_data_Frequency_determination\" >Zeitaggregation von PQ-Daten &amp; Frequenzbestimmung<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"http:\/\/www.neo-messtechnik.com\/de\/iec-61400-4-30-class-a\/#Requirements_of_4_differential_voltage_and_4_differential_current_channels\" >Anforderungen von 4 Differenzspannungs- und 4 Differenzstromkan\u00e4len<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"http:\/\/www.neo-messtechnik.com\/de\/iec-61400-4-30-class-a\/#Class_A_Power_Quality_Analyser\" >Klasse A ++ Netzqualit\u00e4ts-Messger\u00e4t<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"http:\/\/www.neo-messtechnik.com\/de\/iec-61400-4-30-class-a\/#Further_Reading\" >Literatur<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"http:\/\/www.neo-messtechnik.com\/de\/iec-61400-4-30-class-a\/#The_Ultimate_Guide_to_Power_Quality\" >Der ultimative Leitzufaden zur Netzqualit\u00e4t 2021<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>Einleitung<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"translation-block\">Ob aus eigenem Interesse, aus regulatorischen Gr\u00fcnden oder aufgrund von Kundenbeschwerden - wir wollen wissen, wie Probleme mit der Netzqualit\u00e4t erkannt werden k\u00f6nnen. Und dar\u00fcber hinaus welche Monitoring-Systeme zu diesen Bed\u00fcrfnissen und regulatorischen Anforderungen passen. Als ersten Schritt werden wir \u00fcber jene Norm sprechen, die erstmals im Jahr 2003 eingef\u00fchrt und dessen neueste Version im Jahr 2015 ver\u00f6ffentlicht wurde. Vielleicht nicken Sie bereits mit dem Kopf - wir sprechen hier nat\u00fcrlich \u00fcber die <strong><em>IEC 61000-4-30: Ed. 3 Testing and measurement techniques \u2013 Power quality measurement methods<\/em><\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"No_standards_no_problems\"><\/span>Keine Norm. Keine Probleme?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Obwohl es lange her zu sein scheint, gab es f\u00fcr Netzqualit\u00e4ts-Messungen keine normative und somit vergleichbare Grenzwerte. Reports und damit die Netzqualit\u00e4t hingen von Ihrem Messger\u00e4t - eine f\u00fcr Ingenieure unzufriedenstellende Situation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"ClassA\"><span class=\"ez-toc-section\" id=\"What_is_the_IEC_61000-4-30_Ed_3_standard\"><\/span>Was besagt die IEC 61000-4-30 Ed. 3?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Sie definiert die Methoden zur Messung und Interpretation der Ergebnisse f\u00fcr Netzqualit\u00e4tsparameter in Wechselstromnetzen mit einer deklarierten Grundfrequenz von 50 Hz oder 60 Hz.<\/p><cite><a rel=\"noreferrer noopener\" href=\"https:\/\/webstore.iec.ch\/publication\/21844\" target=\"_blank\">International Electrotechnical Commission<\/a><\/cite><\/blockquote>\n\n\n\n<p>Kurzum: Unabh\u00e4ngig vom Messger\u00e4t hat die IEC 61000-4-30 einen gemeinsamen Rahmen f\u00fcr PQ-Equipment geschaffen, um zuverl\u00e4ssige und vergleichbare Ergebnisse zu etablieren.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"IEC_61000-4-30_Measurement_Classes\"><\/span>IEC 61000-4-30 Measurement Classes<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-items_eb9058-dd kt-svg-icon-list-columns-1 alignnone kt-list-icon-aligntop\"><ul class=\"kt-svg-icon-list\"><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-0\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">Klasse B - eigentlich in der 3. Edition nicht mehr erw\u00e4hnt, jedoch aus Gr\u00fcnden der Vollst\u00e4ndigkeit aufgef\u00fchrt.<\/span><\/li><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-1\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">Klasse S - geringere Genauigkeitsanforderungen und eingeschr\u00e4nkte Ber\u00fccksichtigung der PQ-Parameter.<\/span><\/li><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">Klasse A<\/span><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-kadence-iconlist kt-svg-icon-list-items kt-svg-icon-list-items_062c57-85 kt-svg-icon-list-columns-1 alignnone kt-list-icon-aligntop\"><ul class=\"kt-svg-icon-list\"><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-0\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\"><mark class=\"kt-highlight\">Klasse A ++ - Klassifizierung, die NEO Messtechnik mit dem PQ 8000H eingef\u00fchrt hat<\/mark> die weit \u00fcber die Standardanforderungen der Klasse A hinausgeht. Unerreicht und und an der Spitze des Marktes, weil wir von unseren Kunden und Erfahrungen wissen, dass Sie nicht nur mit Standardl\u00f6sungen (Klasse A) zufrieden sein werden. Vor allem, wenn Sie PQ-Analyser und -Monitore haben k\u00f6nnen, die <a rel=\"noreferrer noopener\" href=\"https:\/\/www.neo-messtechnik.com\/de\/pqa8000\/\" target=\"_blank\">nicht nur Normen \u00fcbertreffen,<\/a>sondern Ihre Erwartungen.<\/span><\/li><\/ul><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_does_Class_A_mean_according_to_the_IEC_61000-4-30\"><\/span>Was bedeutet Klasse A nach der IEC 61000-4-30?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"translation-block\">Die IEC 61000-4-30 Klasse A definiert Messmethoden, Zeitaggregation und Angaben zu Genauigkeit, Bandbreite, Grenzwerten und Bewertung verschiedener PQ-Parameter. Mit der Wahl eines <strong><em>Klasse-A-konformen<\/em><\/strong> Ger\u00e4ts machen Sie den ersten wichtigen Schritt, um zuverl\u00e4ssige Ergebnisse gem\u00e4\u00df der IEC 61000-4-30 zu erhalten. Sie standardisiert die Messungen der folgenden Parameter<\/p>\n\n\n\n<div class=\"wp-block-kadence-iconlist kt-svg-icon-list-items kt-svg-icon-list-items_b0b641-fb kt-svg-icon-list-columns-1 alignnone kt-list-icon-aligntop\"><ul class=\"kt-svg-icon-list\"><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-0\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">Netzfrequenz<\/span><\/li><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-1\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">Versorgungsspannung<\/span><\/li><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">Flicker <strong>(IEC 61000-4-15)<\/strong><\/span><\/li><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-3\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">Spannungseinbr\u00fcche und \u00dcberspannungen<\/span><\/li><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-4\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">Spannungs-Unterbrechungen<\/span><\/li><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-5\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">Spannungs-Unsymmetrie<\/span><\/li><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-6\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">Spannungs-Harmonische und Inter-Harmonische <strong>(IEC 61000-4-7)<\/strong><\/span><\/li><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-7\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">Rundsteuersignale<\/span><\/li><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-8\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">\u00dcber- und Unterspannung\/Frequenz etc.<\/span><\/li><\/ul><\/div>\n\n\n\n<p>Mit der dritten Edition wurde die Norm um folgende Punkte erweitert:<\/p>\n\n\n\n<div class=\"wp-block-kadence-iconlist kt-svg-icon-list-items kt-svg-icon-list-items_fcc8f6-5f kt-svg-icon-list-columns-1 alignnone kt-list-icon-aligntop\"><ul class=\"kt-svg-icon-list\"><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-0\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">Flicker Klasse F1<\/span><\/li><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-1\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">Schnelle Spannungs\u00e4nderungen (Rapid Voltage Changes)<\/span><\/li><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">Stromgr\u00f6\u00dfe<\/span><\/li><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-3\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">Strom-Harmonische und Inter-Harmonische <strong>(IEC 61000-4-7)<\/strong><\/span><\/li><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-4\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">Strom-Unsymmetrie<\/span><\/li><\/ul><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Measurement_uncertainty\"><\/span>Messunsicherheit<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Messtechniker verlassen sich auf die von ihnen verwendeten Ger\u00e4te und deren Genauigkeit. Die Messunsicherheit f\u00fcr zertifizierte Ger\u00e4te der Klasse A ist auf 0,1 % der Eingangsspannung festgelegt. Dies erm\u00f6glicht den Anwendern, konforme Messergebnisse zu erhalten und diese von Ger\u00e4ten unterschiedlicher Anbieter zu vergleichen.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"block-95013342-5b89-4f67-88df-e73a20ec9886\"><span class=\"ez-toc-section\" id=\"Voltage_flagging\"><\/span>Voltage flagging<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Es ist von zentraler Bedeutung, dass Sie auch bei Spannungseinbr\u00fcchen, \u00dcberspannungen oder Unterbrechungen zuverl\u00e4ssige Ergebnisse Analyse der Netzqualit\u00e4t erhalten. Mit Hilfe des Flagging-Konzepts z\u00e4hlen einzelne Ereignisse nicht als Mehrfachereignisse. Zum Beispiel z\u00e4hlt ein einzelner Einbruch nicht sowohl als Frequenz\u00e4nderung als auch als Spannungseinbruch. Die Kennzeichnung indiziert eine m\u00f6gliche Unzuverl\u00e4ssigkeit.<\/p>\n\n\n\n<p id=\"block-49d79d2a-2a06-431a-bf18-d78e701dd4a4\">F\u00fcr Spannungseinbr\u00fcche, -\u00fcberh\u00f6hungen und -unterbrechungen muss die Effektivspannung \u00fcber 1 Zyklus (auf Basis einer gleitenden \u00bd-Periodenwert-Sch\u00e4tzung), beginnend bei einem fundamentalen Nulldurchgang, ausgewertet und alle Halbzyklen aufgefrischt werden. Ereignisse werden erkannt, wenn die Spannung den vordefinierten Bereich verl\u00e4sst (\u00fcblicherweise \u00b110% von Un). In Anlehnung an die IEC61000-4-30 werden einphasige oder dreiphasige Ereignisse entsprechend der Abbildung unterschiedlich ausgewertet.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"604\" height=\"262\" src=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/03\/image.png\" alt=\"Voltage Flaggin\" class=\"wp-image-6801\" srcset=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/03\/image.png 604w, https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/03\/image-300x130.png 300w, https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/03\/image-16x7.png 16w\" sizes=\"auto, (max-width: 604px) 100vw, 604px\" \/><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Time_aggregation_of_PQ_data_Frequency_determination\"><\/span>Zeitaggregation von PQ-Daten &amp; Frequenzbestimmung<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Die IEC 61000-4-30 definiert die Zeitfenster f\u00fcr Parametergr\u00f6\u00dfen (Versorgungsspannung, Oberschwingungen, Zwischenharmonische und Unsymmetrie). Es handelt sich um ein 10-Zyklen-Zeitintervall f\u00fcr ein 50-Hz-Netz oder ein 12-Zyklen-Zeitintervall f\u00fcr ein 60-Hz-Netz. Des Weiteren erfolgt die Aggregation der gemessenen Zeitintervalle \u00fcber drei verschiedene Zeitintervalle:<\/p>\n\n\n\n<div class=\"wp-block-kadence-iconlist kt-svg-icon-list-items kt-svg-icon-list-items_bcb973-ae kt-svg-icon-list-columns-1 alignnone kt-list-icon-aligntop\"><ul class=\"kt-svg-icon-list\"><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-0\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">150\/180 Zyklenintervall (150 Zyklen f\u00fcr 50 Hz Nennwert oder 180 Zyklen f\u00fcr 60 Hz Nennwert)<\/span><\/li><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-1\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">10-min Intervall<\/span><\/li><li class=\"kt-svg-icon-list-style-default kt-svg-icon-list-item-wrap kt-svg-icon-list-item-2\"><div style=\"display:inline-flex;justify-content:center;align-items:center\" class=\"kt-svg-icon-list-single kt-svg-icon-list-single-fe_checkCircle\"><svg style=\"display:inline-block;vertical-align:middle\" viewbox=\"0 0 24 24\" height=\"20\" width=\"20\" fill=\"none\" stroke=\"currentColor\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M22 11.08V12a10 10 0 1 1-5.93-9.14\"><\/path><polyline points=\"22 4 12 14.01 9 11.01\"><\/polyline><\/svg><\/div><span class=\"kt-svg-icon-list-text\">2-h Intervall<\/span><\/li><\/ul><\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p class=\"translation-block\">Durch die Betonung des <strong>fortlaufenden <\/strong>\u00dcberwachungsprozesses tauchen automatisch Fragen zur Datenspeicherung und zum Datenhandling auf und fordern \u00dcberwachungssysteme in unterschiedlichem Ma\u00dfe heraus.<\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Requirements_of_4_differential_voltage_and_4_differential_current_channels\"><\/span>Anforderungen von 4 Differenzspannungs- und 4 Differenzstromkan\u00e4len<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Single-Ended-Verst\u00e4rker sind zwar einfach zu bedienen, da ihr zweiter Pin mit Masse verbunden ist, sie eignen sich aber nur zur Messung erdfreier Spannungsquellen und haben damit zwei Nachteile - den Einfluss von Masseschleifen und die fehlende Isolation. Leider verf\u00fcgen einige Netzqualit\u00e4ts-Messgerte nur \u00fcber Single-Ended-Verst\u00e4rker. Im Gegensatz zu ihnen vermeiden Differenzverst\u00e4rker mit von der Masse getrennten Eing\u00e4ngen die oben erw\u00e4hnten Masseschleifen, haben aber mit dem Problem der Gleichtaktspannung zu k\u00e4mpfen.<\/p>\n\n\n\n<p>Isolierte Verst\u00e4rker eliminieren all diese Nachteile wie Masseschleifen, Gleichtaktspannungen, da sie vom Geh\u00e4use und der Hauptplatine des Messger\u00e4tes isoliert sind und somit eine sichere und zuverl\u00e4ssige L\u00f6sung f\u00fcr den Umgang mit Spannungsspitzen, Fehlern und anderen St\u00f6rungen darstellen. Alle HV-Eing\u00e4nge der NEO-Instrumente sind isoliert. Stromeing\u00e4nge (\u00fcber LV-Eing\u00e4nge) sind in der Regel nicht isoliert, da die Isolation durch die verwendeten Stromsensoren gegeben ist.<\/p>\n\n\n\n<hr class=\"wp-block-separator is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Class_A_Power_Quality_Analyser\"><\/span>Klasse A ++ Netzqualit\u00e4ts-Messger\u00e4t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"translation-block\">Wir k\u00f6nnen diesen Artikel \u00fcber die IEC 61000-4-30 Ed. A Klasse A nicht abschlie\u00dfen,  ohne Ihnen ein Messger\u00e4t vorzustellen, welches <strong>weit \u00fcber die Norm hinausgeht - Klasse A ++<\/strong>.<\/p>\n\n\n\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"450\" height=\"525\" src=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2020\/04\/pqa_side3.png\" alt=\"\" class=\"wp-image-5710\" srcset=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2020\/04\/pqa_side3.png 450w, https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2020\/04\/pqa_side3-257x300.png 257w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"has-text-align-center has-large-font-size\">PQA 8000H<\/p>\n\n\n\n<p class=\"has-text-align-center\">All-In-One. 1MS\/s. Multi-Touch. 4h mobiler Einsatz. Das Referenzinstrument am Markt.<\/p>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/www.neo-messtechnik.com\/de\/pqa8000\/\">Produktseite<\/a><\/p>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/www.neo-messtechnik.com\/de\/neuzugang_pqa_8000h\/\">Wie Sie einen leistungsstarken PQ-Analyzer erkennen<\/a><\/p>\n\n\n\n<p class=\"has-text-align-center\"><a href=\"https:\/\/www.neo-messtechnik.com\/de\/pqa-8000h-der-columbo-unter-den-netzqualitaets-messgeraeten\/\">PQA 8000H \u2013 Der Columbo unter den Netzqualit\u00e4ts-Messger\u00e4ten<\/a><\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Further_Reading\"><\/span>Literatur<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<div id=\"kt-info-box_9e6fe2-9b\" class=\"wp-block-kadence-infobox\"><a class=\"kt-blocks-info-box-link-wrap info-box-link kt-blocks-info-box-media-align-top kt-info-halign-center\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.neo-messtechnik.com\/de\/neuzugang_pqa_8000h\/\"><div class=\"kt-blocks-info-box-media-container\"><div class=\"kt-blocks-info-box-media kt-info-media-animate-none\"><div class=\"kadence-info-box-image-inner-intrisic-container\" style=\"max-width:648px\"><div class=\"kadence-info-box-image-intrisic kt-info-animate-none\" style=\"padding-bottom:41.33370074400661%;height:0;width:7258px;max-width:100%\"><div class=\"kadence-info-box-image-inner-intrisic\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/03\/The-Ultimate-Guide-To-Power-Quality_new.png\" alt=\"The Ultimate Guide To Power Quality 2021\" width=\"7258\" height=\"3000\" class=\"kt-info-box-image wp-image-7026\" srcset=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/03\/The-Ultimate-Guide-To-Power-Quality_new.png 2560w, https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/03\/The-Ultimate-Guide-To-Power-Quality_new-300x124.png 300w, https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/03\/The-Ultimate-Guide-To-Power-Quality_new-1024x423.png 1024w, https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/03\/The-Ultimate-Guide-To-Power-Quality_new-1452x600.png 1452w, https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/03\/The-Ultimate-Guide-To-Power-Quality_new-1536x635.png 1536w, https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/03\/The-Ultimate-Guide-To-Power-Quality_new-2048x847.png 2048w, https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/03\/The-Ultimate-Guide-To-Power-Quality_new-16x7.png 16w, https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/03\/The-Ultimate-Guide-To-Power-Quality_new-825x340.png 825w\" sizes=\"auto, (max-width: 7258px) 100vw, 7258px\" \/><\/div><\/div><\/div><\/div><\/div><div class=\"kt-infobox-textcontent\"><h2 class=\"kt-blocks-info-box-title\"><span class=\"ez-toc-section\" id=\"The_Ultimate_Guide_to_Power_Quality\"><\/span>Der ultimative Leitzufaden zur Netzqualit\u00e4t 2021<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"kt-blocks-info-box-text\">Von \"\u00bd Perioden-Werten\" bis zur \"Zero-Sequenz\", hier sind alle Begriffe, Normen und Abk\u00fcrzungen, die Sie brauchen, um Netzqualit\u00e4t im Jahr 2021 zu verstehen.<\/p><\/div><\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>Ein genauerer Blick auf die Norm IEC 61000-4-30 Klasse A Ed. 3, die Ihnen bei der Auswahl des richtigen Netzqualit\u00e4ts-Messger\u00e4ts hilft.<\/p>","protected":false},"author":1,"featured_media":7314,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[53,1],"tags":[],"class_list":["post-7309","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-power-quality-online-course-2026-pq-explained","category-pq-essentials"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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