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首页> 外文期刊>Progress in photovoltaics >Performance, Cost and Life-cycle Assessment Study of Hybrid PVT/AIR Solar Systems
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Performance, Cost and Life-cycle Assessment Study of Hybrid PVT/AIR Solar Systems

机译：PVT / AIR混合太阳能系统的性能，成本和生命周期评估研究

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摘要

An alternative and cost-effective solution to building integrated PV systems is to use hybrid photovoltaic/thermal (PV/T) solar systems. These systems consist of PV modules with an air channel at their rear surface, where ambient air is circulating in the channel for PV cooling and the extracted heat can be used for building thermal needs. To increase the system thermal efficiency, additional glazing is necessary, but this results in the decrease of the PV module electrical output from the additional optical losses of the solar radiation. PV/T solar systems with air heat extraction have been extensively studied at the University of Patras. Prototypes in their standard form and also with low-cost modifications have been tested, aiming to achieve improved PV/T systems. An energetic and environmental assessment for the PV and PV/T systems tested has been performed by the University of Rome 'La Sapienza', implementing the specific software SimaPro 5-1 regarding the life-cycle assessment (LCA) methodology applied. In this paper electrical and thermal energy output results for PV and PV/T systems are given, focusing on their performance improvements and environmental impact, considering their construction and operation requirements. The new outcome of the study was that the glazed type PV/T systems present optimum performance regarding energy, cost and LCA results.
机译：构建集成光伏系统的另一种经济高效的解决方案是使用混合光伏/热能（PV / T）太阳能系统。这些系统由在其背面具有空气通道的PV模块组成，环境空气在通道中循环以进行PV冷却，提取的热量可用于满足建筑物的热需求。为了提高系统的热效率，必须进行额外的玻璃安装，但这会导致太阳光辐射的额外光学损耗导致PV模块的电输出降低。帕特雷大学已广泛研究了利用空气热提取的PV / T太阳能系统。标准形式的原型以及经过低成本修改的原型已经过测试，旨在实现改进的PV / T系统。罗马大学“ La Sapienza”已对所测试的PV和PV / T系统进行了充满活力的环境评估，并实施了与所应用的生命周期评估（LCA）方法有关的特定软件SimaPro 5-1。在本文中，给出了PV和PV / T系统的电能和热能输出结果，着重于它们的性能改进和环境影响，并考虑了它们的构造和运行要求。该研究的新结果是，釉面型PV / T系统在能源，成本和LCA结果方面均表现出最佳性能。

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