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联合热泵的光伏光热一体化系统的性能评价 被引量:8

Performance evaluation of a hybrid photovoltaic-thermal and heat pump system
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摘要 建立了联合热泵的光伏光热一体化系统和水冷式光伏光热一体化系统的数学模型,比较了两者的光伏电池温度、热水温度、电效率、热效率以及能量收益。研究结果表明,联合热泵的光伏光热一体化系统的光伏电池温度远低于水冷式光伏光热一体化系统,能达到较高的电效率和热效率。通过分析得出:联合热泵的光伏光热一体化系统的能量收益低于水冷式光伏光热一体化系统,但在以供热为主的情况下,联合热泵的光伏光热一体化系统具有明显的优势。 A mathematical model of photovohaic/thermal (PV/T)-heat pump (HP) system and a mathematical model of water-cooled PV/T system are established. Their photovoltaic cells temperature, water temperature, electrical efficiency, thermal efficiency and energy gain are compared. The results show that, the PV cell temperature of the PV/T-HP system is far below that of the water-cooled PV/T system, and higher electrical and thermal efficiency can be obtained. Through the exergy analysis, energy gain of the PV/T-HP system is lower than that of the water-cooled PV/T system. But in the case of heating, the PV/T-HP system has obvious advantages.
出处 《可再生能源》 CAS 北大核心 2013年第11期1-4,9,共5页 Renewable Energy Resources
基金 国家自然科学基金项目(50976063) 上海市基础研究重大项目(09DJ1400200) 上海市教委曙光计划(09SG51)
关键词 热泵 光伏光热一体化 温度 效率 能量收益 heat pump photovoltaic/thermal (PVrI') temperature efficiency energy gain
作者简介 荆树春(1984-),男,辽宁沈阳人,硕士研究生,研究方向为太阳能利用技术。E-mail:jingsc2012@126.com 通讯作者:朱群志(1972-),男,教授,博士,主要从事太阳能利用、辐射换热方面的研究。E-mail:zhuqunzhi@shiep.edu.cn
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