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Proceedings Paper

Modeling of building integrated low concentration photovoltaic glazing windows
Author(s): Itay Baruchi; Moshe Ben Chorin; Barak Freedman; Ido Sovran
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Paper Abstract

We have developed a transparent photovoltaic double glazed unit which exhibits three main features - concentrating direct solar rays on PV cells, allowing a viewer to see through the window a non-distorted image and having good thermal isolation properties. We describe the structure of the unit, and explain its fundamental optical properties. A model which simulates seasonal and day/night variations of the optical and thermal behavior of the window as a function of installation location is presented. The outputs of the model include the PV power generation and the change in the required power for heating/cooling due to the elimination of direct irradiation into the room. These outputs are used to optimize the optical design in order to achieve best overall energy saving performance.

Paper Details

Date Published: 19 August 2010
PDF: 8 pages
Proc. SPIE 7785, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration VII, 778507 (19 August 2010); doi: 10.1117/12.861524
Show Author Affiliations
Itay Baruchi, Pythagoras Solar (Israel)
Moshe Ben Chorin, Pythagoras Solar (Israel)
Barak Freedman, Pythagoras Solar (Israel)
Ido Sovran, Pythagoras Solar (Israel)


Published in SPIE Proceedings Vol. 7785:
Nonimaging Optics: Efficient Design for Illumination and Solar Concentration VII
Roland Winston; Jeffrey M. Gordon, Editor(s)

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