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Comparison of High-Precision Outdoor and Indoor PV Module Characterization
D. Faiman, D. Bokovza, S. Kabalo, V. Melnichak, A. Razon, L. Levy, W. Herrmann, C. Ferrara, M. Köhl
Experimental Method, Photovoltaic (PV) Module, Characterisation, Characterization
Components for PV Systems
Subtopic: PV Modules
Event: 23rd European Photovoltaic Solar Energy Conference and Exhibition, 1-5 September 2008, Valencia, Spain
Session: 4AV.3.1
2801 - 2804
ISBN: 3-936338-24-8
Paper DOI: 10.4229/23rdEUPVSEC2008-4AV.3.1
0,00 EUR
Document(s): paper


The paper presents a comparison of the results of high-precision indoor and outdoor characterization of seven brands of PV module, all fabricated from either monocrystalline or polycrystalline silicon cells. The indoor characterization measurements were performed in the laboratory of TÜV Rheinland, Cologne, Germany. The outdoor measurements were performed under clear sky conditions at the Sede Boqer campus of Ben-Gurion University, in the Negev desert of Israel. For the outdoor tests, in addition to our previously published technique for adjusting the raw results to 1000 Wm-2 incident irradiance and 25 oC cell temperature, an additional experimental technique is described that enabled us to adjust the results to AM1.5 spectral conditions. This allowed a fair comparison to be made between indoor and outdoor measurements under true STC conditions.