Journal
ENERGY AND BUILDINGS
Volume 121, Issue -, Pages 159-164Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.enbuild.2016.04.010
Keywords
Building-integrated photovoltaic systems (BIPV); Performance analysis; Shading analysis
Funding
- Brazilian Conselho Nacional de Desenvolvimento Cientifico e Tecnologico(CNPq)
- Agencia Nacional de Energia Eletrica (ANEEL)
- Tractebel Energia
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Challenges such as partial shading and non-optimal tilt and azimuthal deviations are common in building integrated photovoltaic systems (BIPV). Therefore, it is important to be aware of the consequences on systems performance metrics, namely annual specific yield and performance ratio for these specialised applications. This paper describes detailed analyses of shading effects, irradiation resource availability and module temperature on the performance metrics of individual subsystems of a rooftop BIPV installation in a high-rise building embedded in a high-density environment in Singapore. The study indicates that a shading analysis during the design phase can highly improve PV systems performance by giving careful consideration about shaded modules to optimise the PV module string design. (C) 2016 Elsevier B.V. All rights reserved.
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