Photovoltaic modules in buildings: Performance and safety

K. Bücher, G. Kleiss and D. Dätzner

Renewable Energy, 1998, vol. 15, issue 1, 545-551

Abstract: Many PV systems exhibit a poorer performance as is to be expected using installed peak power. Performance ratios of ‘reasonable’ systems have experimentally been determined in the range of 60%–85% of STC (=standard test conditions) performance. A significant part of the losses is due to the performance deviation of PV modules from their rating at STC due to the outdoor conditions (realistic reporting conditions, RRC). This is due to low light level dependence, temperature coefficients, nominal operating cell temperatures and reflectivity at the module surface. Due to the special operating conditions, this is of special importance if PV modules are integrated into buildings. To overcome the problems in module performance evaluation and to assist system sizing, a realistic PV efficiency map and performance data for commercial PV modules are presented. In a similar way as the European radiation atlas for solar irradiation, this RRC market survey of PV modules gives detailed information on module performance at many sites for various installation conditions.

Date: 1998
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:15:y:1998:i:1:p:545-551

DOI: 10.1016/S0960-1481(98)00222-5

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