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FA?ADE BIPV THE ENVIRONMENTAL LIFE-CYCLE VALUE PROPOSITION

机译：FA？ADE BIPV环境生命周期值主张

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The value of Building Integrated Photovoltaics (in fa?ade applications) lies in the fact that these systems entirely replace fa?ade-cladding systems that do not have the added benefit of generating power that offsets expensive, nonrenewable and polluting sources from the surrounding electrical grid. This study quantitatively demonstrates this value through the lens of process-based life-cycle analysis via the following metrics: ? Energy pay-back time (EPBT), ? Energy Return on Investment (EROI), ? Global warming potential (GWP) and ? Carbon-equivalent payback time (CPBT) Lower incident radiation from sub-optimal orientation and shading obstructions notwithstanding, fa?ade-integrated BIPV is shown herein to have an environmental impact comparable to that of optimally-oriented roof or ground-mounted PV systems. This relatively high environmental benefit stems from the avoided environmental burden associated with the materials that fa?ade BIPV replaces. Furthermore, we determine functional relationships between environmental impacts of fa?ade-BIPV under a range of incident-radiation conditions and under a range of applications--in terms of the types of fa?ade systems the BIPV system replaces. This study leverages first-hand life-cycle inventory data sourced directly from the designer, architect, and supply chain partners involved in the construction of curtain-wall fa?ade arrays in Manhattan, New York. Operational' performance metrics of fa?ade-BIPV systems have been derived from publicly-available IEA-PVPS data and validated via on-site monitoring and recording of the prototypical fa?ade-array at the Solaire Building in the Battery Park City area of Manhattan. Time-synchronized, extensively-validated, satellite-derived meteorological data for the site was obtained from Clean Power Research and used to measure performance ratios over the system's operating lifetime. The quality of data and 'avoided impact approach' to accounting for the fa?ade systems the BIPV arrays replace makes this study hovel among previous analyses and further demonstrates unique value-proposition offered by these PV applications.
机译：光伏建筑一体化的值（立面应用程序）就在于，这些系统完全替代不具备发电的好处外立面包层系统，从周围的电偏移昂贵的，不可再生和污染源网格。这项研究证明了定量通过以下指标通过基于过程的生命周期分析的透镜此值：？能源成本回收时间（EPBT）？能源投资回报（EROI）？全球变暖潜能值（GWP）和？碳相当回报时间从亚最佳取向（CPBT）下部入射辐射和尽管遮光的障碍物，外立面集成BIPV本文示出为具有比得上最佳导向屋顶或对环境的影响地面安装光伏系统。这一相对较高的环保效益与外立面BIPV替代材料相关的避免环境负担造成的。此外，我们确定在一个范围内的事故，辐射条件下各种应用立面，BIPV的环境影响之间的功能关系 - 在各类立面系统的BIPV系统替代的方面？。这项研究利用了第一手的生命周期清单数据直接从设计师，建筑师，以及供应链参与幕墙发在纽约曼哈顿？ADE阵列的建设合作伙伴采购。外立面，BIPV系统运行的性能指标已经从公开可用的能源机构 - 光伏发电系统的数据导出，并通过现场监测和原型发？在SOLAIRE大厦的炮台公园城地区ADE-阵列的记录验证曼哈顿。时间同步的，广泛验证，卫星获得的气象为站点数据是从清洁能源的研究获得，用于在系统的工作寿命来测量性能比。数据的质量和“避免冲击的办法”，以占外立面系统的BIPV阵列代替使前面的分析中本研究的小屋，并进一步证明了这些光伏应用提供了独特的价值主张。

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