CAJ | 학술논문

太阳能光伏电–热（photovoltaic-thermal,PV-T）一体化系统将光伏组件与太阳能热利用系统组合在一起,具有较高的太阳能综合利用效率。针对热管具有高效传热和均温性能的特点,提出一种采用热管冷却技术的太阳能光伏电-热一体化系统;基于光伏电池板传热过程特点及换热器的传热有效度——传热单元数（ε-NTU）法,对热管式PV-T系统的电池板温度、冷却流体出口温度以及系统电效率和热效率等热电转换性能进行了理论分析和计算。结果表明,热管式PV-T系统的电池温度变化幅度在2.5℃以内,系统电效率和热效率分别达到6.99%～7.46%和51.0%～63.2%。该文提出的理论方法为研究热管式PV-T系统热电转换性能提供了一种新的途径,可用来分析和讨论相关参数对热管式PV-T系统性能的影响。
태양능광복전–열（photovoltaic-thermal,PV-T）일체화계통장광복조건여태양능열이용계통조합재일기,구유교고적태양능종합이용효솔。침대열관구유고효전열화균온성능적특점,제출일충채용열관냉각기술적태양능광복전-열일체화계통;기우광복전지판전열과정특점급환열기적전열유효도——전열단원수（ε-NTU）법,대열관식PV-T계통적전지판온도、냉각류체출구온도이급계통전효솔화열효솔등열전전환성능진행료이론분석화계산。결과표명,열관식PV-T계통적전지온도변화폭도재2.5℃이내,계통전효솔화열효솔분별체도6.99%～7.46%화51.0%～63.2%。해문제출적이론방법위연구열관식PV-T계통열전전환성능제공료일충신적도경,가용래분석화토론상관삼수대열관식PV-T계통성능적영향。
Solar photovoltaic-thermal（PV-T） hybrid system combines photovoltaic cell component with thermal utilization system,which has potential high overall conversion efficiency.A PV-T hybrid system with heat pipe cooling was put forward concerning that heat pipe has high heat transfer performance and uniform working temperature.The thermal to electrical conversion performance of the PV-T hybrid system,such as solar cell plate temperature,outlet temperature of cooling fluid,the electrical and thermal efficiencies,were theoretically analyzed based on the heat transfer characteristics of solar cell plate and the heat transfer effectiveness-number of heat transfer unit（？-NTU） method of heat exchanger.The results show that,for the heat pipe PV-T hybrid system,the variation of solar cell temperature is within 2.5 ℃,and the electrical and thermal efficiencies of system can reach up to 6.99%~7.46% and 51.0%~63.2%,respectively.This theoretical method provides a new approach to study the performance of PV-T hybrid system and can be applied to analyze and discuss the influence of relevant parameters on the thermal to electrical conversion performance of PV-T hybrid system with heat pipe cooling.