Title: A validation study of photovoltaic module series resistance determination under various operating conditions according to IEC60891
Citation: PROGRESS IN PHOTOVOLTAICS vol. 20 no. 6 p. 650-660
Publication Year: 2012
JRC N°: JRC65253
ISSN: 1062-7995
URI: http://onlinelibrary.wiley.com/doi/10.1002/pip.1200/abstract
DOI: 10.1002/pip.1200
Type: Articles in periodicals and books
Abstract: This paper presents a validation study on series resistance determination of photovoltaic modules based on IEC60891, Ed 2.0 (2009) normative standard. A selection of different technologies has been investigated, ranging from polycrystalline silicon to thin film modules. Their IV characteristics have been measured at the European Solar Test Installation (ESTI) under various operating conditions of module temperature and irradiance. The aim of this research work is twofold: on one side, it contributes to quantitatively assess the effect of the various calculation parameters on the overall precision of the series resistance; on the other side, it provides information about the dependence of series resistance on module performance over a wide range of irradiance and module temperature. A comparison with the previous calculation procedure from IEC60891 (1987) has also been performed, in order to understand how the differences of the two methods can affect the final results.
JRC Directorate:Energy, Transport and Climate

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