Building-integrated photovoltaic applied Bi-facial photovoltaic module structural design

光伏系统 光伏安装系统 光伏 工程物理 材料科学 计算机科学 环境科学 工程类 电气工程 最大功率点跟踪 电压 逆变器
作者
Yangseop Noh,Jaehyung Lee
出处
期刊:Solar Energy Materials and Solar Cells [Elsevier BV]
卷期号:269: 112758-112758
标识
DOI:10.1016/j.solmat.2024.112758
摘要

Most photovoltaic modules typically exhibit a structure configuration of either glass-to-back sheet or glass-to-glass. These configurations are widely used in standard construction and building-integrated photovoltaic (BIPV) applications. Recent developments in building safety have underscored the need for BIPV systems to conform to the safety standards expected for construction materials. Particularly, extensive research is necessary to improve their fire safety performance. Several European and technologically advanced countries have established standards and certification regulations pertaining to fire safety in photovoltaic modules. Currently, the structure and components of photovoltaic modules are highly susceptible to fire safety issues. Among the configurations, the glass-to-glass photovoltaic modules stand out as the only option offering exceptional fire safety because they are covered with glass on both sides. However, this dual glass coverage results in increased weight, increasing the difficulty in installation, maintenance, and repair of the modules for BIPV applications. To address this issue, ongoing research focuses on developing lightweight technologies and lightweight BIPV modules. This study introduces a novel design methodology to enhance the mechanical reliability of glass-to-glass photovoltaic modules. We conducted mechanical load tests on commercially available modules and used ANSYS static structural analysis to model and simulate these tests. By varying the glass-shape parameters in the validated structural analysis model, we designed a glass-to-glass photovoltaic module configuration with an increased surface area that ensures mechanical reliability. This design enabled the development of a photovoltaic module model that is 21.33% lighter than existing commercial photovoltaic module while maintaining the requisite mechanical reliability.
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