Indoor and outdoor characterization of innovative colored BIPV modules for facade application

Saretta, Erika and Frontini, Francesco and Bonomo, Pierluigi and Weber, Thomas and Berghold, Juliane (2016) Indoor and outdoor characterization of innovative colored BIPV modules for facade application. In: UNSPECIFIED.

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The integration of photovoltaic technologies in buildings is considered as promising way to profit by renewable energies in the built environment, with many advantages. Nevertheless, dealing with PV in architecture is still a challenge for architects and engineers both because of aesthetic and technical issues. There are at least two ways to integrate photovoltaic technologies in the building skin design concept: emphasizing the use of solar energy (high-tech approach) or trying to hide them with the use of a camouflage technology, thanks to the use of colour filters or painting techniques. This paper focus on the investigation of the performance behaviour of different coloured modules developed within the European Project SMART-FLeX. Within the project a special digital technique has been developed to print the front glass of BIPV modules, offering to the architect many possibility of design. It is clear, that paintings on front glass will shadow the solar cells, influencing in that way the performance of modules. In order to assess the impact of this technology on module performance extensive indoor measurements have been done by the authors. Therefore, prototype modules of different colour and printing degrees were assembled and investigated under standard and weak-light conditions, electroluminescence tests, spectral responsivity and temperature coefficient measurements. Outdoor assessment in two different location (Lugano and Berlin) will also provide important information on modules behaviour in real condition.

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