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Integrated CdTe PV glazing into windows: energy and daylight performance for different window-to-wall ratio

Sun, Yanyi; Shanks, Katie; Baig, Hasan; Zhang, Wei; Hao, Xia; Li, Yongxue; He, Bo; Wilson, Robin; Liu, Hao; Sundaram, Senthilarasu; Zhang, Jingquan; Xie, Lingzhi; Mallic, Tapas; Wu, Yupeng

Authors

Yanyi Sun

Katie Shanks

Hasan Baig

Wei Zhang

Xia Hao

Yongxue Li

Bo He

Robin Wilson

Hao Liu

Jingquan Zhang

Lingzhi Xie

Tapas Mallic

Yupeng Wu



Abstract

When integrated photovoltaics into building windows, the solar cells will absorb a fraction of solar radiation that hit on the window surface to generate electrical power and thus obstruct the solar energy and natural daylight that would have penetrated into inside space. In this paper, a window system integrated with thin film CdTe solar cells with 10% transparency was electrically characterised by Sandia model. The annual energy performance of a typical office with this PV window applied to different façade design was investigated using EnergyPlus under five typical climatic conditions in China. The dynamic daylight performance of the office has been assessed using RADIANCE. The result shows that when compared to a conventional double glazed system, the application of PV window can result in significant energy saving potential if the office has a relative large window-to-wall ratio (i.e. WWR≥45%). The simulation results also show that this PV window offers better daylight performance than conventional double-glazing.

Journal Article Type Article
Conference Name 10th International Conference on Applied Energy (ICAE2018)
Online Publication Date Mar 15, 2019
Publication Date 2019-02
Deposit Date Mar 13, 2023
Publicly Available Date Mar 16, 2023
Print ISSN 1876-6102
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 158
Pages 3014-3019
DOI https://doi.org/10.1016/j.egypro.2019.01.976
Keywords Semi-transparent Solar Cell, Building Simulation, EnergyPlus, RADIANCE

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