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Monitoring the Moisture Ingress into PV Modules by Measuring Capacitive Characteristics

: Fokuhl, E.; Berg, H.; Stecklum, S.; Mansour, D.E.; Philipp, D.; Gebhardt, P.

Volltext urn:nbn:de:0011-n-6061585 (736 KByte PDF)
MD5 Fingerprint: 6dc4cc0b7907a65a02bc278377598a51
Erstellt am: 12.11.2020

Pearsall, Nicola (Editor):
37th European Photovoltaic Solar Energy Conference and Exhibition, EU PVSEC 2020 : 07-11 September 2020, Online Conference
M√ľnchen: WIP, 2020
ISBN: 3-936338-73-6
European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC) <37, 2020, Online>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ISE ()
Photovoltaik; Photovoltaische Module und Kraftwerke; Gebrauchsdauer- und Schadensanalyse; monitoring; impedance; methods

We are presenting an approach for the monitoring of the parasitic capacitance of PV modules as an indication for moisture ingress into the polymers during artificial aging tests. The setup can be used on commercially available modules and prototypes without complex sample preparation. Influences on the measurement result like temperature and humidity dependence are investigated. First measurements during damp heat show promising results for framed full-size and mini-modules.