Influence of current mismatch on IV performance test of photovoltaic modules

被引：0

作者：

Zhang, Junchao ^{[1
]}

Wang, Dong ^{[2
]}

Xiong, Limin ^{[1
]}

He, Yingwei ^{[1
]}

Meng, Haifeng ^{[1
]}

Zhang, Bifeng ^{[1
]}

Cai, Chuan ^{[1
]}

Man, Shuai ^{[1
]}

机构：

[1] Natl Inst Metrol, Div Metrol Opt & Laser, Beijing 10029, Peoples R China

[2] China Bldg Mat Test & Certificat Grp Co Ltd, China Photovolta Prod Test Ctr, Beijing 10024, Peoples R China

来源：

OPTOELECTRONIC DEVICES AND INTEGRATION VII | 2018年 / 10814卷

基金：

对外科技合作项目（国际科技项目）;

关键词：

current mismatch; irradiance non-uniformity; photovoltaic modules; IV performance test; PRIMARY CALIBRATION; SOLAR-CELLS;

D O I：

10.1117/12.2502991

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The effect of current mismatch on IV performance of photovoltaic (PV) module is analyzed. Based on the current mismatch theory of solar cell and the series and parallel relation of each cell in the photovoltaic module, the influence analysis program of the current mismatch caused by the irradiance non-uniformity and the response difference of the solar cells in the PV module is established. The experimental and theoretical verification of the IV curve and the PV curve of a photovoltaic module under different shielding conditions have been carried out. It is found that the theoretical results are in good agreement with the experimental results. The influence of irradiance non-uniformity on the measurement of optoelectronic parameters of photovoltaic modules under the conditions of different position of reference solar cell is analyzed. Through theoretical calculation, it is found that in order to reduce the influence of the current mismatch of solar cells on the photoelectric performance test of the photovoltaic module, the difference of solar cells in the PV module and the irradiance non-uniformity of the sunlight simulator should both be reduced, and the irradiance intensity at the standard solar cell position should be consistent with the average irradiance intensity of the test area.

引用

页数：7

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