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Fraunhofer-Institut für Werkstoffmechanik IWM Wöhlerstraße 11 79108 Freiburg, Germany http://www.iwm.fraunhofer.de
Contact Ms Jasmine Ait-Djoudi +49 345 5589213
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Fraunhofer-Institut für Werkstoffmechanik IWM

Fraunhofer CSP stellt Ergebnisse zur potentialinduzierten Degradation (PID) von Solarmodulen vor

(PresseBox) (Freiburg, )
In den letzten beiden Jahren sind vermehrt Degradationen von Solarmodulen in Installationen mit hoher negativer Systemspannung gegenüber Erde, die bei trafolosen Wechselrichtern entstehen, aufgetreten. Dieser Effekt wird als potenzialinduzierte Degradation (PID) bezeichnet. Die beobachtete Leistungsdegradation kann dabei mehr als 30 Prozent betragen.

Das Fraunhofer-Center für Silizium-Photovoltaik CSP führte mit handelsüblichen Solarmodulen einen beschleunigten Hochspannungsbelastungstest zur Prüfung auf PID-Empfindlichkeit durch. In dem Schnelltest wurde die Temperatur (+ 50°C) und die relative Luftfeuchte (50 Prozent) erhöht, so dass sich die Testdauer auf 48 Stunden verkürzte. Dabei werden die PV-Module mit Aluminiumfolie über die komplette Fläche auf 1000 Volt unter Spannung gesetzt. Den mbyrbpcnv Rfp mkhdlari pro Izpymjrwghc.

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The publisher indicated in each case (see company info by clicking on image/title or company info in the right-hand column) is solely responsible for the stories above, the event or job offer shown and for the image and audio material displayed. As a rule, the publisher is also the author of the texts and the attached image, audio and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.