Research on the influence of PV cell to thermal characteristics of photovoltaic/thermal solar system

被引：15
作者：
He, Yongtai [1 ]
Xiao, Lixian [1 ]
Li, Lei [1 ]
机构：
[1] Chuxiong Normal Univ, Dept Phys & Electron Informat Sci, Chuxiong 675000, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ENERGY RESEARCH | 2017年 / 41卷 / 09期
基金：
中国国家自然科学基金;
关键词：
PV; T solar system; PV cell; thermal characteristics; practicability; ELECTRICAL EFFICIENCY; COLLECTORS; IMPROVEMENT;
D O I：
10.1002/er.3711
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In the paper, we analyzed internal thermal transmission characteristics of water-heating photovoltaic/thermal (PV/T) solar collector covered by photovoltaic (PV) cell, established photothermal conversion model of PV/T solar system, and analyzed the influence of PV cell coverage to photothermal characteristics of PV/T solar system. Results show that the thermal efficiency of PV/T solar system by optimizing PV cells coverage can reach 68%. In addition, by designing four water-heating PV/T solar system prototypes with PV cell coverage of 0.4, 0.56, 0.7, and 0.82, respectively, we conducted experimental researches for the four prototypes and found that the four prototypes can achieve thermal efficiencies of 58%, 51%, 64%, and 67%, respectively, in heating 250L of water to 50 degrees C. The experiment results are consistent with theoretical analysis results, indicating that it is feasible to improve thermal characteristics of PV/T solar system by optimizing PV cell coverage. Copyright (c) 2017 John Wiley & Sons, Ltd.
引用
收藏
页码：1287 / 1294
页数：8
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