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本文设计了一种全铝扁盒式光伏光热一体化(PV/T)系统,使用变压器油作为循环工质。该系统与传统的水循环PV/T系统相比,不仅可以解决PV/T系统在高纬度、高海拔地区结冰的问题,扩大了PV/T系统的适用范围,而且变压器油具有很好的散热作用。实验结果表明:采用变压器油作为循环工质比水作为循环工质光伏板表面的温度降低幅度较大,变压器油温比水温升高幅度也较大,从而证实了变压器油具有很好的散热作用,提高了PV/T系统的光电、光热和光电光热综合性能效率。
In this paper, an all-aluminum flat-box photovoltaic solar thermal integration (PV / T) system is designed, using transformer oil as the circulating working fluid. Compared with the traditional water cycle PV / T system, this system can not only solve the problem of PV / T system freezing in high latitude and high altitude area but also expand the applicable range of PV / T system, and the transformer oil has good heat dissipation effect. The experimental results show that the temperature of transformer board is lower than that of water as circulating refrigerant, and the temperature of transformer oil is higher than that of water temperature, which confirms that transformer oil has good heat dissipation Role, improve the PV / T system of optoelectronic, photothermal and optoelectronic photothermal performance and overall efficiency.