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Energy loss due to shading in a BIPV application
Gepubliceerd door: Publicatie datum:
ECN Energie in de Gebouwde Omgeving en Netten 1-5-2003
ECN publicatienummer: Publicatie type:
ECN-RX--03-024 Conferentiebijdrage
Aantal pagina's: Volledige tekst:
3 Download PDF  (1174kB)

Gepresenteerd op: 3rd World Conference on Photovoltaic Energy Conversion, Osaka, Japan, 11-18 mei 2003.

Building integrated PV systems are often subject to shading. This resultsin the loss of available irradiation and, in case of partial shading, it may result in the so-called mismatch loss. Monitoring data of a BIPV system were used to quantify these effects. The simulation tool PVSYST has been used to model the same effects. Comparison of the measured and modelled results show that the in-plane irradiation can be calculated from the irradiation on the horizontal plane accurately, even in presence of shading elements. The calculated mismatch loss due to the partial shading of strings seems to be over-estimated in case of the chosen PV system.

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