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Monitoring of photovoltaic systems: Good practices and systematic analysis

: Woyte, A.; Richter, M.; Moser, D.; Mau, S.; Reich, N.; Jahn, U.

Fulltext urn:nbn:de:0011-n-2669296 (600 KByte PDF)
MD5 Fingerprint: 7e0867554852b2c512e0c815d8e923ef
Created on: 30.11.2013

Mine, A. ; European Commission:
28th European Photovoltaic Solar Energy Conference and Exhibition, EU PVSEC 2013. Proceedings. DVD-ROM : 30 September to 04 October 2013, Paris, France
München: WIP-Renewable Energies, 2013
ISBN: 3-936338-33-7
European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC) <28, 2013, Paris>
Conference Paper, Electronic Publication
Fraunhofer ISE ()
Photovoltaische Module; Systeme und Zuverlässigkeit; Photovoltaische Module und Kraftwerke; Photovoltaische Kraftwerke; Monitoring; Grid-connected; Modelling; Performance; Yield

Over the last 20 years, the statistical average performance ratio of a new photovoltaic (PV) installation in moderate climates has improved from 0.65 to approximately 0.85. This continuous improvement in the field would not have been possible without operational monitoring and the continued analysis of monitoring data by the PV system community. The paper starts with a historical review of the performance of PV systems. It documents the current state of the art and good practices in PV system monitoring. Finally, it presents periodic linear regression as a simple though systematic approach for the visual and mathematical analysis of monitoring data.