Analysis of the Primary Constraint Conditions of an Efficient Photovoltaic-Thermoelectric Hybrid System

被引：45
作者：
Li, Guiqiang [1 ]
Chen, Xiao [2 ]
Jin, Yi [3 ]
机构：
[1] Univ Sci & Technol China, Dept Thermal Sci & Energy Engn, 96 Jinzhai Rd, Hefei 230026, Peoples R China
[2] Univ Sci & Technol China, State Key Lab Fire Sci, 96 Jinzhai Rd, Hefei 230026, Peoples R China
[3] Univ Sci & Technol China, Dept Precis Machinery & Precis Instrumentat, Hefei 230026, Peoples R China
来源：
ENERGIES | 2017年 / 10卷 / 01期
基金：
美国国家科学基金会;
关键词：
PV-TEG; geometric size; electrical efficiency; cold side temperature; PERFORMANCE ANALYSIS; OPTIMIZATION; FEASIBILITY; DESIGN;
D O I：
10.3390/en10010020
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：
Electrical efficiency can be increased by combining photovoltaic (PV) and the thermoelectric (TE) systems. However, a simple and cursory combination is unsuitable because the negative impact of temperature on PV may be greater than its positive impact on TE. This study analyzed the primary constraint conditions based on the hybrid system model consisting of a PV and a TE generator (TEG), which includes TE material with temperature-dependent properties. The influences of the geometric size, solar irradiation and cold side temperature on the hybrid system performance is discussed based on the simulation. Furthermore, the effective range of parameters is demonstrated using the image area method, and the change trend of the area with different parameters illustrates the constraint conditions of an efficient PV-TE hybrid system. These results provide a benchmark for efficient PV-TEG design.
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页数：12
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