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Performance of a multifunctional PV/T hybrid solar window

Publiceringsår: 2010
Språk: Engelska
Sidor: 365-372
Publikation/Tidskrift/Serie: Solar Energy
Volym: 84
Nummer: 3
Dokumenttyp: Artikel i tidskrift
Förlag: Elsevier


A building-integrated multifunctional PV/T solar window has been developed and evaluated. It is constructed of PV cells laminated on solar absorbers placed in a window behind the glazing. To reduce the cost of the solar electricity, tiltable reflectors have been introduced in the construction to focus radiation onto the solar cells. The reflectors render the possibility of controlling the amount of radiation transmitted into the building. The insulated reflectors also reduce the thermal losses through the window. A model for simulation of the electric and hot water production was developed. The model can perform yearly energy simulations where different features such as shading of the cells or effects of the glazing can be included or excluded. The simulation can be run with the reflectors in an active, up right, position or in a passive, horizontal, position. The simulation program was calibrated against measurements on a prototype solar window placed in Lund in the south of Sweden and against a solar window built into a single family house, Solgården, in Älvkarleö in the central part of Sweden. The results from the simulation shows that the solar window annually produces about 35% more electric energy per unit cell area compared to a vertical flat PV module.


  • Building Technologies
  • Building integration
  • Solar window
  • PV/T


  • ISSN: 0038-092X

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