{"id":7787,"date":"2021-10-18T12:20:27","date_gmt":"2021-10-18T10:20:27","guid":{"rendered":"https:\/\/www.neo-messtechnik.com\/?page_id=7787"},"modified":"2026-04-03T10:18:05","modified_gmt":"2026-04-03T08:18:05","slug":"pv-inspection-methods","status":"publish","type":"page","link":"https:\/\/www.neo-messtechnik.com\/de\/pv-inspection-methods","title":{"rendered":"PV Inspektion"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div id=\"fws_69ef2cf84d5e7\" class=\"vc_row wpb_row vc_row-fluid  animate_onoffset row-dynamic-el section-style     wpb_animate_when_almost_visible wpb_fadeIn fadeIn\" style=\"background-color: #ffffff; \" ><div  style=\"position: absolute;top: 0;\"><\/div><div class=\"container  dark\"><div class=\"section_clear\">\n\t<div class=\"vc_col-sm-6 wpb_column column_container\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div class=\"vc_custom_heading wpb_content_element\" ><h1 style=\"font-size: 38px;color: #222222;line-height: 44px;text-align: left\" >Inspektion von Photovoltaik Anlagen<\/h1><\/div><div class=\"codeless_separator\" style=\" height:2px;  margin-top:-15px;  margin-bottom:20px; \"><span class=\"separator\" style=\" width:70px;  background:#ffdd00;  left:0; height:100%; position:absolute;\"><\/span><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t<p><span class=\"fontstyle0\">Die Zahl der Solarkraftwerke ist in den letzten Jahren stetig gestiegen. Photovoltaikanlagen sind bekannt f\u00fcr:<\/span><\/p>\n<ul>\n<li>Lange Lebensdauer<\/li>\n<li>Geringe Alterungseffekte<\/li>\n<li>Geringe Wartung<\/li>\n<li>Geringe Betriebskosten<\/li>\n<li>Einfache Installation<\/li>\n<li>Robust<\/li>\n<\/ul>\n<p><span class=\"fontstyle0\">Dennoch k\u00f6nnen unterschiedliche Fehlerarten in PV-Anlagen auftreten:<\/span><\/p>\n<ul>\n<li>Performance Verluste <span style=\"color: #ff0000;\"><strong>&gt;10%<\/strong> <\/span>innerhalb von <strong>3 Jahren<\/strong> bei den meisten Anlagen<\/li>\n<li>Der Gro\u00dfteil der Fehler sind durch visuelle Inspektion nicht detektierbar<\/li>\n<li class=\"translation-block\">Mismatch Verluste von PV Strings k\u00f6nnen <span style=\"color: #ff0000\"><strong>10x<\/strong><\/span> bis <span style=\"color: #ff0000\"><strong>100x<\/strong><\/span> gr\u00f6\u00dfer ausfallen, als einzelne, defekte PV Module<\/li>\n<\/ul>\n\n\t\t<\/div> \n\t<\/div> \n\t\t\t<\/div> \n\t<\/div> \n\n\t<div class=\"vc_col-sm-6 wpb_column column_container\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div class=\"wpb_content_element media_align_left media media_el animate_onoffset\"><div class=\"media_wrapper\" ><img decoding=\"async\" src=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/10\/pv-park-scaled.jpeg\" alt=\"Alt Text\" class=\"type_image animated fadeInLeft alignment_left\" \/><\/div><\/div>\n\t\t\t<\/div> \n\t<\/div> \n<\/div><\/div><\/div><div id=\"fws_69ef2cf854c8c\" class=\"vc_row wpb_row vc_row-fluid  animate_onoffset row-dynamic-el section-style     wpb_animate_when_almost_visible wpb_fadeInUp fadeInUp\" style=\"background-color: #ffffff; \" ><div  style=\"position: absolute;top: 0;\"><\/div><div class=\"container  dark\"><div class=\"section_clear\">\n\t<div class=\"vc_col-sm-6 wpb_column column_container\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div class=\"vc_row wpb_row vc_inner vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t<p>Fehlererkennung<\/p>\n\n\t\t<\/div> \n\t<\/div> <div class=\"wpb_content_element list\" style=\"\"><ul data-icon=\"steadysets-icon-checkmark\">\n\t\t\t\t<li class=\"titledesc\"><dl class=\"dl-horizontal\"><dt><span class=\"circle\"><i class=\"\"><\/i><\/span><\/dt><dd><h6>Mismatch Losses<\/h6><p><\/p><\/dd><\/dl><\/li><li class=\"titledesc\"><dl class=\"dl-horizontal\"><dt><span class=\"circle\"><i class=\"\"><\/i><\/span><\/dt><dd><h6>Hotspots<\/h6><p><\/p><\/dd><\/dl><\/li><li class=\"titledesc\"><dl class=\"dl-horizontal\"><dt><span class=\"circle\"><i class=\"\"><\/i><\/span><\/dt><dd><h6>Potential induzierte Degradation (PID)<\/h6><p><\/p><\/dd><\/dl><\/li><li class=\"titledesc\"><dl class=\"dl-horizontal\"><dt><span class=\"circle\"><i class=\"\"><\/i><\/span><\/dt><dd><h6>Bypass Dioden Defekt<\/h6><p><\/p><\/dd><\/dl><\/li><li class=\"titledesc\"><dl class=\"dl-horizontal\"><dt><span class=\"circle\"><i class=\"\"><\/i><\/span><\/dt><dd><h6>Zellriss<\/h6><p><\/p><\/dd><\/dl><\/li><li class=\"titledesc\"><dl class=\"dl-horizontal\"><dt><span class=\"circle\"><i class=\"\"><\/i><\/span><\/dt><dd><h6>Glasbruch \/ Verschmutzung<\/h6><p><\/p><\/dd><\/dl><\/li><li class=\"titledesc\"><dl class=\"dl-horizontal\"><dt><span class=\"circle\"><i class=\"\"><\/i><\/span><\/dt><dd><h6>Delaminierung \/ Verf\u00e4rbung<\/h6><p><\/p><\/dd><\/dl><\/li><li class=\"titledesc\"><dl class=\"dl-horizontal\"><dt><span class=\"circle\"><i class=\"\"><\/i><\/span><\/dt><dd><h6>etc.<\/h6><p><\/p><\/dd><\/dl><\/li><\/ul><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t<p><span class=\"fontstyle0\">Auch wenn Hersteller von Modulen f\u00fcr ihre Produkte werben als: Non-PID, No Cell crack, no hotspot m\u00f6glich, die oben genannten Probleme treten nat\u00fcrlich bei jeder Art von PV-Modul auf.<br \/>\n<\/span><\/p>\n\n\t\t<\/div> \n\t<\/div> <\/div><\/div><\/div><\/div>\n\t\t\t<\/div> \n\t<\/div> \n\n\t<div class=\"vc_col-sm-6 wpb_column column_container\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div class=\"wpb_content_element media_align_left media media_el animate_onoffset\"><div class=\"media_wrapper\" ><img decoding=\"async\" src=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/10\/pv-iv-curve-tracer.png\" alt=\"Alt Text\" class=\"type_image animated fadeInLeft alignment_left\" \/><\/div><\/div>\n\t\t\t<\/div> \n\t<\/div> \n<\/div><\/div><\/div><div id=\"fws_69ef2cf8595a5\" class=\"vc_row wpb_row vc_row-fluid  animate_onoffset row-dynamic-el section-style     wpb_animate_when_almost_visible wpb_fadeIn fadeIn\" style=\"background-color: #ffffff; \" ><div  style=\"position: absolute;top: 0;\"><\/div><div class=\"container  dark\"><div class=\"section_clear\">\n\t<div class=\"vc_col-sm-6 wpb_column column_container\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div class=\"vc_custom_heading wpb_content_element\" ><h2 style=\"font-size: 38px;color: #222222;line-height: 44px;text-align: left\" >Mismatch Verluste<\/h2><\/div><div class=\"codeless_separator\" style=\" height:2px;  margin-top:-15px;  margin-bottom:20px; \"><span class=\"separator\" style=\" width:70px;  background:#ffdd00;  left:0; height:100%; position:absolute;\"><\/span><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t<p><span class=\"fontstyle0\">Mismatch Verluste entstehen durch die Serien- oder Parallelschaltung von PV-Modulen<br \/>\nDie Ursache von Mismatch verlusten k\u00f6nnen sein:<br \/>\nunterschiedliche Ausrichtung, Verschattung, Neigungsunterschiede aber vor allem<br \/>\nFehler bei PID, Hostpots etc.<br \/>\nDie Abbildung zeigt exemplarisch m\u00f6gliche Mismatchverluste<br \/>\nconnection:<\/span><\/p>\n\n\t\t<\/div> \n\t<\/div> \n\t\t\t<\/div> \n\t<\/div> \n\n\t<div class=\"vc_col-sm-6 wpb_column column_container\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div class=\"wpb_content_element media_align_left media media_el animate_onoffset\"><div class=\"media_wrapper\" ><img decoding=\"async\" src=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/10\/parallel-pv-mismatch-losses.png\" alt=\"Alt Text\" class=\"type_image animated fadeInLeft alignment_left\" \/><\/div><\/div>\n\t\t\t<\/div> \n\t<\/div> \n<\/div><\/div><\/div><div id=\"HWIDPQA\" class=\"vc_row wpb_row vc_row-fluid   row-dynamic-el section-style parallax_section mobile_parallax_section\" style=\"background-repeat: no-repeat; background-color: #f6f6f6;  background-image: url(); background-position: 50% 0px; \" ><div  style=\"position: absolute;top: 0;\"><\/div><div class=\"bg-overlay\" style=\"background:rgba(246,246,246,0.9);\"><\/div><div class=\"container animate_onoffset dark\"><div class=\"section_clear\">\n\t<div class=\"vc_col-sm-12 wpb_column column_container\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div class=\"vc_custom_heading wpb_content_element\" ><h2 style=\"font-size: 16px;color: #1c1c1c;line-height: 24px;text-align: center;letter-spacing:6px\" >Beispiel: Mismatchverluste PV Park<\/h2><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t<p><span class=\"fontstyle0\">\u00a0In Solarparks wird meist eine Kombination aus Reihen- und Parallelschaltung von PV-Modulen verwendet, um den vollen MPP-Eingangsbereich von Wechselrichtern zu nutzen. \u00dcber Reihenschaltung werden Panels zu einem PV-String verbunden. Durch die Parallelschaltung dieser PV-Strings entsteht ein PV-Array. Wenn nun ein String des PV-Generators seine Ausgangsleistung aufgrund eines defekten Moduls oder einer vor\u00fcbergehenden Verschattung reduziert, wird nicht nur die Leistung dieses Strings reduziert. Die gesamte Systemspannung (Parallelschaltung von Spannungsquellen) sinkt und die Leistung des gesamten Arrays sinkt. Im folgenden Beispiel wird die Ausgangsleistung des Arrays aufgrund dieser Mismatch-Verluste um 8 kW (30 %) statt 3 kW (10 % Reduzierung am String) reduziert.<br \/>\n<\/span><\/p>\n\n\t\t<\/div> \n\t<\/div> <div class=\"wpb_content_element media_align_left media media_el animate_onoffset\"><div class=\"media_wrapper\" ><img decoding=\"async\" src=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/10\/mismatch-losses-pv-park-solar.png\" alt=\"Alt Text\" class=\"type_image animated fadeInLeft alignment_left\" \/><\/div><\/div>\n\t\t\t<\/div> \n\t<\/div> \n<\/div><\/div><\/div><div id=\"fws_69ef2cf85dfd2\" class=\"vc_row wpb_row vc_row-fluid  animate_onoffset row-dynamic-el section-style     wpb_animate_when_almost_visible wpb_fadeIn fadeIn\" style=\"background-color: #ffffff; \" ><div  style=\"position: absolute;top: 0;\"><\/div><div class=\"container  dark\"><div class=\"section_clear\">\n\t<div class=\"vc_col-sm-12 wpb_column column_container\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div class=\"vc_custom_heading wpb_content_element\" ><h2 style=\"font-size: 38px;color: #222222;line-height: 44px;text-align: left\" >Inspektionsmethoden<\/h2><\/div><div class=\"codeless_separator\" style=\" height:2px;  margin-top:-15px;  margin-bottom:20px; \"><span class=\"separator\" style=\" width:70px;  background:#ffdd00;  left:0; height:100%; position:absolute;\"><\/span><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t<p>Die Inspektion von PV-Parks ist in mehrere Disziplinen unterteilt. Zun\u00e4chst muss das System auf Sicherheitsprobleme \u00fcberpr\u00fcft werden. Kriechstr\u00f6me und Isolationsfehler k\u00f6nnen gef\u00e4hrlich f\u00fcr Personen sein und k\u00f6nnen auch andere Betriebsmittel wie Rohrleitungen beeintr\u00e4chtigen. Weitere leistungsbegrenzende Fehler wie PID, Hotspots, defekte Bypass-Dioden etc. sollten erkannt und die Leistung des Gesamtsystems nach IEC62446-2 analysiert werden.<\/p>\n\n\t\t<\/div> \n\t<\/div> <div class=\"wpb_content_element media_align_left media media_el animate_onoffset\"><div class=\"media_wrapper\" ><img decoding=\"async\" src=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/10\/pv-inspection-2.png\" alt=\"Alt Text\" class=\"type_image animated fadeInLeft alignment_left\" \/><\/div><\/div>\n\t\t\t<\/div> \n\t<\/div> \n<\/div><\/div><\/div><div id=\"fws_69ef2cf85fbfd\" class=\"vc_row wpb_row vc_row-fluid  animate_onoffset row-dynamic-el section-style     wpb_animate_when_almost_visible wpb_fadeIn fadeIn\" style=\"background-color: #ffffff; \" ><div  style=\"position: absolute;top: 0;\"><\/div><div class=\"container  dark\"><div class=\"section_clear\">\n\t<div class=\"vc_col-sm-6 wpb_column column_container\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div class=\"vc_custom_heading wpb_content_element\" ><h2 style=\"font-size: 38px;color: #222222;line-height: 44px;text-align: left\" >Inspektionsmethoden<\/h2><\/div><div class=\"codeless_separator\" style=\" height:2px;  margin-top:-15px;  margin-bottom:20px; \"><span class=\"separator\" style=\" width:70px;  background:#ffdd00;  left:0; height:100%; position:absolute;\"><\/span><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t<p><em><strong>Sichtpr\u00fcfung<br \/>\n<\/strong><\/em><\/p>\n<p><span class=\"fontstyle0\">Visuelle Inspektionen sind wichtig, um gr\u00f6\u00dfere Probleme wie defekte Sicherungen, offensichtliche Probleme zu erkennen. Trotzdem k\u00f6nnen mit dieser Methode nur wenige Probleme erkannt werden. So wurden beispielsweise nach einem Hagelschlag in einem Solarkraftwerk nur wenige Module getauscht. Detaillierte Untersuchungen zeigten, dass viel mehr Module von dem Hagelschlag betroffen waren als durch die visuelle Inspektion erkannt wurden.<br \/>\n<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><em><strong>Thermal Imaging<\/strong><\/em><\/p>\n<p><span class=\"fontstyle0\">Diese Technik wird am h\u00e4ufigsten zur Inspektion von PV-Anlagen verwendet. Es erfordert Know-How zur Durchf\u00fchrung und Auswertung der Messungen. Oft werden Drohnen oder Flugzeuge eingesetzt und das Kraftwerk muss im Vollbetrieb (W\u00e4rme) sein. Es erm\u00f6glicht die Erkennung verschiedener Fehlerarten und das Auffinden defekter Komponenten. <\/span><\/p>\n<p><span class=\"fontstyle0\">Nachteile<\/span><\/p>\n<ul>\n<li><span class=\"fontstyle0\">Keine Erkennung von Mismatch Verlusten<\/span><\/li>\n<li><span class=\"fontstyle0\">keine Erkennung von PID<br \/>\n<\/span><\/li>\n<li>keine Erkennung von Zellrissen<\/li>\n<\/ul>\n<p><em><strong>Elektrolumineszenz<\/strong><\/em><\/p>\n<p><span class=\"fontstyle0\">\u00a0Diese Technik wird haupts\u00e4chlich in Labors durchgef\u00fchrt. Module werden durch Stromeinspeisung aktiviert. Messungen erfolgen ohne Sonneneinstrahlung (bei Nacht). Es erm\u00f6glicht eine detaillierte Analyse von PV-Modulen. Trotzdem gibt es noch keine mobilen Messsysteme zur Analyse ganzer PV-Strings. Die Systeme ben\u00f6tigen eine hohe Leistung zur Signalinjektion. <\/span><\/p>\n\n\t\t<\/div> \n\t<\/div> \n\t\t\t<\/div> \n\t<\/div> \n\n\t<div class=\"vc_col-sm-6 wpb_column column_container\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div class=\"wpb_content_element media_align_left media media_el animate_onoffset\"><div class=\"media_wrapper\" ><img decoding=\"async\" src=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/10\/dirty-pv-panel.jpg\" alt=\"Alt Text\" class=\"type_image animated fadeInLeft alignment_left\" \/><\/div><\/div><div class=\"wpb_content_element media_align_left media media_el animate_onoffset\"><div class=\"media_wrapper\" ><img decoding=\"async\" src=\"\" alt=\"\" class=\"type_image animated fadeInLeft alignment_left\" \/><\/div><\/div><div class=\"wpb_content_element media_align_left media media_el animate_onoffset\"><div class=\"media_wrapper\" ><img decoding=\"async\" src=\"\" alt=\"\" class=\"type_image animated fadeInLeft alignment_left\" \/><\/div><\/div>\n\t\t\t<\/div> \n\t<\/div> \n<\/div><\/div><\/div><div id=\"fws_69ef2cf8623f9\" class=\"vc_row wpb_row vc_row-fluid   row-dynamic-el section-style parallax_section mobile_parallax_section\" style=\"background-repeat: no-repeat; background-color: #f6f6f6;  background-image: url(); background-position: 50% 0px; \" ><div  style=\"position: absolute;top: 0;\"><\/div><div class=\"bg-overlay\" style=\"background:rgba(246,246,246,0.9);\"><\/div><div class=\"container animate_onoffset dark\"><div class=\"section_clear\">\n\t<div class=\"vc_col-sm-12 wpb_column column_container\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div class=\"vc_custom_heading wpb_content_element\" ><h2 style=\"font-size: 36px;color: #1c1c1c;text-align: center\" >IV Kennlinienanalyse<\/h2><\/div><div class=\"vc_custom_heading wpb_content_element\" ><h2 style=\"font-size: 16px;color: #1c1c1c;line-height: 24px;text-align: center;letter-spacing:6px\" >mit automatischer Fehlerdiagnose<\/h2><\/div><div class=\"codeless_separator\" style=\" height:1px;  margin-top:0px;  margin-bottom:35px; \"><span class=\"separator\" style=\" width:60px;  background:#ffdd00;  left:50%;height:100%; margin-left: -30px;position: absolute;\"><\/span><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t<p><span class=\"fontstyle0\">Diese Technik zeichnet das Spannungs- und Stromprofil (IV-Kurve) von PV-Modulen von der Leerlaufspannung (Voc) bis zum Kurzschlussstrom (Isc) durch Anlegen einer Last auf. Je nach Kurvenverlauf k\u00f6nnen die unterschiedlichen m\u00f6glichen Fehler erkannt und unterschieden werden. Dar\u00fcber hinaus ist es die einzige Methode, um Mismatch-Verluste zu erkennen.<br \/>\n<\/span><\/p>\n\n\t\t<\/div> \n\t<\/div> <div class=\"vc_row wpb_row vc_inner vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-3\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"services_small wpb_content_element align_right\"><dl class=\"dl-horizontal with_icon\">    <dt><div class=\"wrapper\" style=\"background:#ffdd00;\">        <i class=\"steadysets-icon-book2\" style=\"color:#ffffff;\"><\/i><\/div>    <\/dt>    <dd>        <h4><a href=\"#\">Mismatch Verluste<\/a><\/h4>    <div class=\"content\">         <div>nur durch Multi-Kanal Messung m\u00f6glich<\/div>    <\/div>    <\/dd><\/dl><\/div><div class=\"services_small wpb_content_element align_right\"><dl class=\"dl-horizontal with_icon\">    <dt><div class=\"wrapper\" style=\"background:#ffdd00;\">        <i class=\"steadysets-icon-phone-portrait\" style=\"color:#ffffff;\"><\/i><\/div>    <\/dt>    <dd>        <h4><a href=\"#\">Verschattung<\/a><\/h4>    <div class=\"content\">         <div>Erkennung und Absch\u00e4tzung des Verlustes<\/div>    <\/div>    <\/dd><\/dl><\/div><div class=\"services_small wpb_content_element align_right\"><dl class=\"dl-horizontal with_icon\">    <dt><div class=\"wrapper\" style=\"background:#ffdd00;\">        <i class=\"linecon-icon-video\" style=\"color:#ffffff;\"><\/i><\/div>    <\/dt>    <dd>        <h4><a href=\"#\">Verschmutzung<\/a><\/h4>    <div class=\"content\">         <div>Verwendung eines intelligenten Algorithmus<\/div>    <\/div>    <\/dd><\/dl><\/div><div class=\"services_small wpb_content_element align_right\"><dl class=\"dl-horizontal with_icon\">    <dt><div class=\"wrapper\" style=\"background:#ffdd00;\">        <i class=\"linecon-icon-video\" style=\"color:#ffffff;\"><\/i><\/div>    <\/dt>    <dd>        <h4><a href=\"#\">By-pass Diodenbruch<\/a><\/h4>    <div class=\"content\">         <div>Erkennung von Fehlern (kurzgeschlossen oder offen)<\/div>    <\/div>    <\/dd><\/dl><\/div><\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-6\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_content_element media_align_left media media_el animate_onoffset\"><div class=\"media_wrapper\" ><img decoding=\"async\" src=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/10\/iv_curve.png\" alt=\"Alt Text\" class=\"type_image animated fadeInLeft alignment_left\" \/><\/div><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t<p><span class=\"fontstyle0\">Die folgende Grafik zeigt ein Beispiel einer simulatanen Messung einer PV Anlage mit 17 Strings.<br \/>\n<\/span><\/p>\n\n\t\t<\/div> \n\t<\/div> <div class=\"wpb_content_element media_align_left media media_el animate_onoffset\"><div class=\"media_wrapper\" ><img decoding=\"async\" src=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/10\/IV-curve-photovoltaic.png\" alt=\"Alt Text\" class=\"type_image animated fadeInLeft alignment_left\" \/><\/div><\/div><\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-3\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"services_small wpb_content_element align_left\"><dl class=\"dl-horizontal with_icon\">    <dt><div class=\"wrapper\" style=\"background:#ffdd00;\">        <i class=\"moon-shuffle\" style=\"color:#ffffff;\"><\/i><\/div>    <\/dt>    <dd>        <h4><a href=\"#\">Hotspot<\/a><\/h4>    <div class=\"content\">         <div>Erkennung von Hotspots - sogar bei geringer Einstrahlung<\/div>    <\/div>    <\/dd><\/dl><\/div><div class=\"services_small wpb_content_element align_left\"><dl class=\"dl-horizontal with_icon\">    <dt><div class=\"wrapper\" style=\"background:#ffdd00;\">        <i class=\"steadysets-icon-diamond\" style=\"color:#ffffff;\"><\/i><\/div>    <\/dt>    <dd>        <h4><a href=\"#\">PID<\/a><\/h4>    <div class=\"content\">         <div>Erkennung von Potentialinduzierter Degradation<\/div>    <\/div>    <\/dd><\/dl><\/div><div class=\"services_small wpb_content_element align_left\"><dl class=\"dl-horizontal with_icon\">    <dt><div class=\"wrapper\" style=\"background:#ffdd00;\">        <i class=\"steadysets-icon-diamond\" style=\"color:#ffffff;\"><\/i><\/div>    <\/dt>    <dd>        <h4><a href=\"#\">Zellriss, Glasbruch<\/a><\/h4>    <div class=\"content\">         <div>und viele weitere Fehler werden erkannt<\/div>    <\/div>    <\/dd><\/dl><\/div><div class=\"services_small wpb_content_element align_left\"><dl class=\"dl-horizontal with_icon\">    <dt><div class=\"wrapper\" style=\"background:#ffdd00;\">        <i class=\"steadysets-icon-newspaper\" style=\"color:#ffffff;\"><\/i><\/div>    <\/dt>    <dd>        <h4><a href=\"#\">IEC 62446<\/a><\/h4>    <div class=\"content\">         <div>konform IEC 62446-2<\/div>    <\/div>    <\/dd><\/dl><\/div><\/div><\/div><\/div><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t<p class=\"translation-block\"><span class=\"fontstyle0\">W\u00e4hrend die Verwendung von Einkanal-IV-\u00dcberpr\u00fcfungssystemen viel Zeit (Tage) f\u00fcr die Inspektion von Solarparks in Anspruch nehmen wird (z. B. 400 Strings f\u00fcr 3 MW), erm\u00f6glicht das Mehrkanal-IV-Kurven-\u00dcberpr\u00fcfungssystem die Inspektion von Solarkraftwerken innerhalb sehr kurzer Zeit (~4 Stunden pro MW)  und liefert wertvolle Informationen \u00fcber die <strong> Mismatch<\/strong> <strong>Verluste<\/strong>.<br>\n<\/span><\/p>\n\n\t\t<\/div> \n\t<\/div> \n\t\t\t<\/div> \n\t<\/div> \n<\/div><\/div><\/div><div id=\"fws_69ef2cf86a797\" class=\"vc_row wpb_row vc_row-fluid  animate_onoffset row-dynamic-el section-style     wpb_animate_when_almost_visible wpb_fadeIn fadeIn\" style=\"background-color: #ffffff; \" ><div  style=\"position: absolute;top: 0;\"><\/div><div class=\"container  dark\"><div class=\"section_clear\">\n\t<div class=\"vc_col-sm-6 vc_col-xs-4\/5 wpb_column column_container\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t\n\t\t<\/div> \n\t<\/div> <div class=\"wpb_content_element media_align_left media media_el animate_onoffset\"><div class=\"media_wrapper\" ><img decoding=\"async\" src=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/10\/solar-photovoltaic-diagnostic-system.png\" alt=\"Alt Text\" class=\"type_image animated fadeInLeft alignment_left\" \/><\/div><\/div>\n\t\t\t<\/div> \n\t<\/div> \n\n\t<div class=\"vc_col-sm-6 wpb_column column_container\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div class=\"vc_custom_heading wpb_content_element\" ><h2 style=\"font-size: 38px;color: #222222;line-height: 44px;text-align: left\" >Automatische Diagnose<\/h2><\/div><div class=\"codeless_separator\" style=\" height:2px;  margin-top:-15px;  margin-bottom:20px; \"><span class=\"separator\" style=\" width:70px;  background:#ffdd00;  left:0; height:100%; position:absolute;\"><\/span><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t<p>Das patentierte Diagnosesystem zeigt automatisch den Zustand jedes Strings an. Dabei kann anhand der Farbcodierung auf unterschiedliche Fehlerarten und der Anzahl von Fehler zur\u00fcckgeschlossen werden.<\/p>\n<p>Fehlerdiagnose: Mistmatch, PID, Bypass Dioden defekt, Verschattung, Glasbruch, Verschmutzung, Delamnieriung, Zellriss, etc.<\/p>\n\n\t\t<\/div> \n\t<\/div> \n\t\t\t<\/div> \n\t<\/div> \n<\/div><\/div><\/div><div id=\"fws_69ef2cf86d5c5\" class=\"vc_row wpb_row vc_row-fluid  animate_onoffset row-dynamic-el section-style     wpb_animate_when_almost_visible wpb_fadeIn fadeIn\" style=\"background-color: #ffffff; \" ><div  style=\"position: absolute;top: 0;\"><\/div><div class=\"container  dark\"><div class=\"section_clear\">\n\t<div class=\"vc_col-sm-6 wpb_column column_container\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div class=\"vc_custom_heading wpb_content_element\" ><h2 style=\"font-size: 38px;color: #222222;line-height: 44px;text-align: left\" >Vergleich der verschiedenen Inspektionstechnologien<\/h2><\/div><div class=\"codeless_separator\" style=\" height:2px;  margin-top:-15px;  margin-bottom:20px; \"><span class=\"separator\" style=\" width:70px;  background:#ffdd00;  left:0; height:100%; position:absolute;\"><\/span><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t<p>Die folgende Tabelle zeigt einen Vergleich dieser Technologien:<\/p>\n<ul>\n<li>Sichtpr\u00fcfung<\/li>\n<li>Thermographie<\/li>\n<li>Elektrolumineszenz<\/li>\n<li>IU Kennlinie<\/li>\n<li>Multi-Kanal IU-Kennlinie<\/li>\n<\/ul>\n\n\t\t<\/div> \n\t<\/div> \n\t\t\t<\/div> \n\t<\/div> \n\n\t<div class=\"vc_col-sm-6 vc_col-xs-4\/5 wpb_column column_container\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t\n\t\t<\/div> \n\t<\/div> \n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t\n\t\t<\/div> \n\t<\/div> <div class=\"wpb_content_element media_align_left media media_el animate_onoffset\"><div class=\"media_wrapper\" ><img decoding=\"async\" src=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/10\/neo-comparison-between-PV-inspection-methods.jpg\" alt=\"Alt Text\" class=\"type_image animated fadeInLeft alignment_left\" \/><\/div><\/div>\n\t\t\t<\/div> \n\t<\/div> \n<\/div><\/div><\/div><div id=\"fws_69ef2cf87076d\" class=\"vc_row wpb_row vc_row-fluid  animate_onoffset row-dynamic-el standard_section\" style=\"background-color: #c6c6c6; padding-top: 20px ; padding-bottom: 20px ; \" ><div  style=\"position: absolute;top: 0;\"><\/div><div class=\"container  dark\"><div class=\"section_clear\">\n\t<div class=\"vc_col-sm-6 wpb_column column_container vc_custom_1587805963444  vc_custom_1587805963444\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div class=\"vc_custom_heading wpb_content_element\" ><h2 style=\"text-align: left\" >IU Kennlinien Messsysteme<\/h2><\/div><div class=\"wpb_content_element media_align_left media media_el animate_onoffset\"><div class=\"media_wrapper\" ><a href=\"https:\/\/www.neo-messtechnik.com\/de\/pv-master-10\/\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2025\/02\/PV-Master-IV-curve-tracer-4.png\" alt=\"Media\" class=\"type_image animated fadeInLeft alignment_left\" \/><\/a><\/div><\/div>\n\t\t\t<\/div> \n\t<\/div> \n\n\t<div class=\"vc_col-sm-6 wpb_column column_container\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t\n\t\t<\/div> \n\t<\/div> \n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t\n\t\t<\/div> \n\t<\/div> \n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t\n\t\t<\/div> \n\t<\/div> <div class=\"wpb_content_element button\"><a  class=\"btn-bt align-center default\" href=\"https:\/\/www.neo-messtechnik.com\/de\/pv-master-10\/\"><span>NEO PV Master<\/span><i class=\"moon-file-pdf\"><\/i><\/a><\/div>\n\t\t\t<\/div> \n\t<\/div> \n<\/div><\/div><\/div><div id=\"fws_69ef2cf873873\" class=\"vc_row wpb_row vc_row-fluid  animate_onoffset row-dynamic-el standard_section\" style=\"\" ><div  style=\"position: absolute;top: 0;\"><\/div><div class=\"container  dark\"><div class=\"section_clear\">\n\t<div class=\"vc_col-sm-12 wpb_column column_container\" style=\"\" data-animation=\"none\" data-delay=\"\">\n\t\t\t<div class=\"wpb_wrapper\">\n\t\t\t\t<div class=\"vc_custom_heading wpb_content_element\" ><h2 style=\"font-size: 36px;color: #1c1c1c;text-align: center\" >Erfahren Sie mehr ..<\/h2><\/div><div class=\"codeless_separator\" style=\" height:1px;  margin-top:0px;  margin-bottom:35px; \"><span class=\"separator\" style=\" width:60px;  background:#ffdd00;  left:50%;height:100%; margin-left: -30px;position: absolute;\"><\/span><\/div><div class=\"vc_row wpb_row vc_inner vc_row-fluid vc_row-o-equal-height vc_row-o-content-top vc_row-flex\"><div class=\"wpb_column vc_column_container vc_col-sm-4\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_content_element media_align_left media media_el animate_onoffset\"><div class=\"media_wrapper\" ><a href=\"https:\/\/www.neo-messtechnik.com\/de\/appnote_supraharmonics_plc_en\/\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/www.neo-messtechnik.com\/wp-content\/uploads\/2021\/01\/Cover-Image.jpg\" alt=\"Media\" class=\"type_image animated fadeInLeft alignment_left\" \/><\/a><\/div><\/div><div class=\"wpb_content_element button buttons_two al_left\"><a  class=\"btn-bt align- default\" href=\"https:\/\/www.neo-messtechnik.com\/de\/appnote_supraharmonics_plc_en\/\"><span>Englisch<\/span><i class=\"moon-file-pdf\"><\/i><\/a><a class=\"btn-bt default\" href=\"https:\/\/www.neo-messtechnik.com\/de\/appnote_supraharmonics_plc_de\/\"><span>German<\/span><i class=\"moon-file-pdf\"><\/i><\/a><\/div><\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-4\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t<h3 style=\"text-align: center;\">How Not To - \u00dcberholter Messaufbau<\/h3>\n<p class=\"translation-block\">Die Analyse der Auswirkungen von Superharmonischen erfordert Power Quality Analyzer, die einen Frequenzbereich bis zu 500 kHz abdecken. Klassische PQ-Analyzer k\u00f6nnen dies jedoch aufgrund ihrer begrenzten Bandbreite nicht. \nTypischerweise k\u00f6nnen sie bis zur 50. Harmonischen (2,5 kHz) messen und h\u00f6here Spannungs- und Stromemissionen nicht erkennen. Damit sind sie <strong>nicht in der Lage<\/strong>, bei der Fehlersuche eingesetzt zu werden.<\/p>\n\n\t\t<\/div> \n\t<\/div> <\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-4\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\">\n\t\t<div class=\"wpb_wrapper\" >\n\t\t\t<h3 style=\"text-align: center;\">How To - Fehlersuche mit dem PQA 8000H<\/h3>\n<p class=\"translation-block\">In dieser Applikationsbeschreibung skizzieren wir die Komplexit\u00e4t und die Unzul\u00e4nglichkeiten traditioneller Messans\u00e4tze, die wir oft in der Praxis sehen. Gl\u00fccklicherweise werden Ingenieure mit der entsprechenden Messausr\u00fcstung nicht in diese Verlegenheit kommen. Unsere Kunden sch\u00e4tzen den <a href=\"https:\/\/www.neo-messtechnik.com\/de\/produkte\/\" target=\"_self\" rel=\"noopener nofollow noreferrer\">PQA8000H <\/a>bei der Fehlersuche von supraharmonischen Emissionen, bei denen er seine St\u00e4rken beweist.<\/p>\n\n\t\t<\/div> \n\t<\/div> <div class=\"vc_btn3-container vc_btn3-center vc_do_btn\" ><a class=\"vc_general vc_btn3 vc_btn3-size-md vc_btn3-shape-rounded vc_btn3-style-modern vc_btn3-color-grey\" href=\"https:\/\/www.neo-messtechnik.com\/de\/netzqualitaets-analyse-applikationen\/#SH\" title=\"Anwendungen\">Anwendungen<\/a><\/div><\/div><\/div><\/div><\/div>\n\t\t\t<\/div> \n\t<\/div> \n<\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"Solar plant \/ Photovoltaic Inspection The number of solar power plants has been steadily increasing over the past years. Photovoltaic systems are known for: Long Lifetime Low aging effects Low maintenance Low operation costs Easy installation Robust Nevertheless different kind of faults in PV systems can occour: Performance losses &gt;10% within 3 years at most [...]","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-7787","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PV Inspection - NEO Messtechnik<\/title>\n<meta name=\"description\" content=\"24bit, 1MS\/s, multi-touch display and 4 hours of mobile operation. 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