Detection of the voltage distribution in photovoltaic modules by electroluminescence imaging

We introduce an approach to determine the operating voltage of individual solar cells in photovoltaic (PV) modules by electroluminescence (EL) imaging. The highest EL signal of each solar cell is proportional to its operating voltage. Moreover the sum of all operating voltages equals the externally...

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Veröffentlicht in:	Progress in photovoltaics 2010-03, Vol.18 (2), p.100-106
Hauptverfasser:	Potthoff, Torben, Bothe, Karsten, Eitner, Ulrich, Hinken, David, Köntges, Marc
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences contactless voltage measurement Electric potential Electroluminescence Energy Equipments, installations and applications Exact sciences and technology Mathematical analysis Modules Natural energy Photovoltaic cells Photovoltaic conversion PV module Solar cells Solar cells. Photoelectrochemical cells Solar energy Voltage
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