Lock-in thermography as a tool for quality control of photovoltaic modules

被引:19
作者
Vetter, Andreas [1 ]
Fecher, Frank [1 ]
Adams, Jens [1 ]
Schaeffler, Raymund [2 ]
Theisen, Jean-Patrick [2 ]
Brabec, Christoph J. [3 ]
Buerhop, Claudia [1 ]
机构
[1] Bavarian Ctr Appl Energy Res ZAE Bayern, Haberstr 2a, D-91058 Erlangen, Germany
[2] Manz CIGS Technol GmbH, D-74523 Schwaebisch Hall, Germany
[3] Univ Erlangen Nurnberg, Inst Mat Elect & Energy I Meet, D-91058 Erlangen, Germany
来源
ENERGY SCIENCE & ENGINEERING | 2013年 / 1卷 / 01期
关键词
IR-imaging; lock-in thermography; photovoltaics; solar energy;
D O I
10.1002/ese3.1
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 this short communication, we present a method which utilizes contactless ILIT (illuminated lock-in thermography) measurement of a photovoltaic (PV) module and image postprocessing in order to calculate the peak power P-mpp of the module and to study the influence of local defects on the module performance. In total, 103 Copper-Indium-Gallium-Diselenide (CIGS) modules were investigated and the results showed a good correlation (mean error less than 6%) between the calculated IR-signal and the measured P-mpp. We performed our study on CIGS modules but the presented approach is not restricted to CIGS modules. The method provides a valuable tool for PV quality control.
引用
收藏
页码:12 / 17
页数:6
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