Measurement and Calculation of Luminous Characteristics of Photovoltaic Glazing Samples

Photovoltaic glazing is a relatively novel type of glazing material, suitable for application in nearly-zero energy buildings. As a special type of building integrated photovoltaic (BIPV), it generates energy from solar radiation and ensures the performance characteristics of building envelope. This paper presents a combined approach of evaluation of luminous characteristics of glazing based on photopic and circadian action spectra. Measurements were performed on 6 photovoltaic glazing samples with amorphous silicon solar cells. The samples differ in type of spacing and rear glazing colour. The results have shown that PV glazing with coloured glazing should be used with caution, especially in rooms with high daylighting requirements. Obtained results can be used during designing process to evaluate impact of PV glazing on visual comfort.

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