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首页> 外文期刊>Energies >Design, Simulation and Experimental Investigation of a Solar System Based on PV Panels and PVT Collectors
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Design, Simulation and Experimental Investigation of a Solar System Based on PV Panels and PVT Collectors

机译：基于光伏板和光伏集热器的太阳能系统的设计，仿真和实验研究

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This paper presents numerical and experimental analyses aimed at evaluating the technical and economic feasibility of photovoltaic/thermal (PVT) collectors. An experimental setup was purposely designed and constructed in order to compare the electrical performance of a PVT solar field with the one achieved by an identical solar field consisting of conventional photovoltaic (PV) panels. The experimental analysis also aims at evaluating the potential advantages of PVT vs. PV in terms of enhancement of electrical efficiency and thermal energy production. The installed experimental set-up includes four flat polycrystalline silicon PV panels and four flat unglazed polycrystalline silicon PVT collectors. The total electrical power and area of the solar field are 2 kWe and 13 m 2 , respectively. The experimental set-up is currently installed at the company AV Project Ltd., located in Avellino (Italy). This study also analyzes the system from a numerical point of view, including a thermo-economic dynamic simulation model for the design and the assessment of energy performance and economic profitability of the solar systems consisting of glazed PVT and PV collectors. The experimental setup was modelled and partly simulated in TRNSYS environment. The simulation model was useful to analyze efficiencies and temperatures reached by such solar technologies, by taking into account the reference technology of PVTs (consisting of glazed collectors) as well as to compare the numerical data obtained by dynamic simulations with the gathered experimental results for the PV technology. The numerical analysis shows that the PVT global efficiency is about 26%. Conversely, from the experimental point of view, the average thermal efficiency of PVT collectors is around 13% and the electrical efficiencies of both technologies are almost coincident and equal to 15%.
机译：本文介绍了旨在评估光伏/热（PVT）收集器的技术和经济可行性的数值和实验分析。专门设计和建造了一种实验装置，以便将PVT太阳场的电性能与由常规光伏（PV）面板组成的相同太阳场实现的电性能进行比较。实验分析还旨在评估PVT与PV在提高电效率和热能产生方面的潜在优势。已安装的实验装置包括四个平面多晶硅PV面板和四个平面无釉多晶硅PVT收集器。太阳场的总电功率和面积分别为2 kWe和13 m 2。目前，该实验装置已安装在位于意大利Avellino的AV Project Ltd.公司。这项研究还从数值角度分析了该系统，包括一个热经济动态仿真模型，用于设计和评估由玻璃PVT和PV集热器组成的太阳能系统的能源性能和经济效益。在TRNSYS环境中对实验设置进行了建模和部分仿真。通过考虑PVT（由玻璃集热器组成）的参考技术，以及通过动态仿真获得的数值数据与所收集的实验结果进行比较，该仿真模型可用于分析此类太阳能技术所达到的效率和温度。光伏技术。数值分析表明，PVT的整体效率约为26％。相反，从实验的角度来看，PVT集热器的平均热效率约为13％，而两种技术的电效率几乎是一致的，等于15％。

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