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太阳能技术的运用在注重可持续发展的今天得到越来越多的关注,关于太阳能光伏和太阳能光热的能源利用的对比由来已久,比较的结果也因为切入角度和比较方法的不同而大相径庭。本文介绍了太阳能整合制冷系统的工作原理和优缺点,并且分别建立了计算系统综合效率和投资回收期的数学模型。结果显示,太阳能光伏制冷系统的系统综合效率为69.7%,远高于光热制冷系统的8.4%;但两种系统投资回收期略长,超过15年。
The application of solar energy technology is paying more and more attention to the sustainable development today. The comparison of energy use of solar photovoltaic and solar thermal energy has been a long time ago. The result of comparison is very different because of the angle of cut-in and the comparison method. This paper introduces the working principle, merits and demerits of the solar energy integrated refrigeration system, and establishes the mathematical model to calculate the comprehensive efficiency and payback period of the system respectively. The results show that the solar photovoltaic system’s overall system efficiency is 69.7%, which is much higher than that of the solar thermal system (8.4%). However, the payback period of the two systems is slightly longer, more than 15 years.