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BI PV Project Summary
© Torsten Masseck, 2006
Name projectSolar façade "Schott Iberica"
Year2006-02-01 (Start operation date)
PV applicationFaçade - transparent PV facade
PV power total1.35 kWp
LocationBarcelona, Barcelona
Latitude/Longitude41°18'0"N 2°6'0"E
SummaryThe project was realized in 2005 as an energetic refurbishment of a five-story staircase and the adjacent zones of an office building that suffered from severe problems of overheating due to an insufficient ventilation strategy, the lack of sun shading and an overall defective thermal behavior. A multifunctional double-glazed curtain wall consisting of innovative combinations of transparent PV panels and colored and printed glass elements has been developed to substitute industrial fix glazing elements. The PV system consists of 27 modules ASI THRU Color with 50 Wp each, resulting in 1,35 KWp totally installed power. Modules are characterized through a transparent frame area and a cell area with 10 % transparency. Façade orientation is 45º south-west. An optimized natural ventilation strategy has been developed to respond to the special condition of the staircase as an intermediate space between the air-conditioned office space and the exterior. Measurements and simulation tools were used to define the right combination of materials and ventilation openings in terms of sun shading, daylight use, electricity production, natural ventilation and architectural quality.
Keywords(bipv) building integrated pv, (PV) façades, (PV) transparent modules

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