Parameter extraction of tandem solar cell model including radiative coupling from measured data of photovoltaic system

Author:

Li Juan12ORCID,Chen Benyuan12ORCID,Lv Qinghua12,Lv Hui12,He Wan12,Fan Jinhu12,Ye Shaohua12

Affiliation:

1. School of Science, Hubei University of Technology 1 , Wuhan 430068, People's Republic of China

2. National 111 Research Center of Microelectronics and Integrated Circuits, Hubei University of Technology 2 , Wuhan 430068, People's Republic of China

Abstract

In this paper, a precise, stable, and reliable dish concentrated photovoltaic system on the roof is demonstrated, and parameters of a model for triple-junction solar cell, incorporating radiative coupling, are extracted from the measured data, providing electrical engineers with valuable insights. By comparing the models with and without radiative coupling to measured curves, it is confirmed that radiative coupling has significant impacts on the shape of curves. It is found that the curve fitting by the model without radiative coupling has a prominent concavity near the maximum power point, which is not consistent with the measured data, proving that radiative coupling yields impressive compensation effect on the total current. A total of 16 parameters are identified in parallel, and the variation of some parameters with bias are also provided. In addition, how various parameters in each subcell influence the I–V curve and efficiency of solar cell are compared and summarized. An application of the model is presented at last.

Funder

International Science and Technology Cooperation Programme

Hubei Province Department of Science and Technology

International Science and Technology Cooperation Program of China

Outstanding Young and Middle-aged Scientific Innovation Team of Colleges and Universities of Hubei Province

Open Foundation of Guangdong Province Digital Signal and Image Processing key Laboratory

Guiding project of Hubei Province Department of Education

Publisher

AIP Publishing

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