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5 September 2015 Robust measurement of thin-film photovoltaic modules exhibiting light-induced transients
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Abstract
Light-induced changes to the current-voltage characteristic of thin-film photovoltaic modules (i.e. light-soaking effects) frustrate the repeatable measurement of their operating power. We describe best practices for mitigating, or stabilizing, light-soaking effects for both CdTe and CIGS modules to enable robust, repeatable, and relevant power measurements. We motivate the practices by detailing how modules react to changes in different stabilization methods. We also describe and demonstrate a method for validating alternative stabilization procedures, such as those relying on forward bias in the dark. Reliable measurements of module power are critical for qualification testing, reliability testing, and power rating.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Michael G. Deceglie, Timothy J. Silverman, Bill Marion, and Sarah R. Kurtz "Robust measurement of thin-film photovoltaic modules exhibiting light-induced transients", Proc. SPIE 9561, Thin Films for Solar and Energy Technology VII, 956108 (5 September 2015); https://doi.org/10.1117/12.2188827
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