COMPARATIVE STUDY ON INDOOR AND OUTDOOR AGING TEST OF PHOTOVOLTAIC MODULES

Xu Ying; Zhu Bingjie; Huai Chaojun; Chen Haomin; Ma Chao

doi:10.19912/j.0254-0096.tynxb.2023-1645

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (2) : 374-380. DOI: 10.19912/j.0254-0096.tynxb.2023-1645

COMPARATIVE STUDY ON INDOOR AND OUTDOOR AGING TEST OF PHOTOVOLTAIC MODULES

Xu Ying¹, Zhu Bingjie², Huai Chaojun², Chen Haomin², Ma Chao²

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Abstract

To investigate the reliability of photovoltaic modules, this paper designs an indoor accelerated aging test scheme with combined environmental factors, and compares the indoor accelerated aging test results with outdoor empirical results in Wuxi and Yinchuan to verify the feasibility of accelerated aging test. The findings indicate that the power degradation after about 23 days of accelerated aging test is similar to the power degradation after one year of outdoor empirical in Wuxi; the power degradation after about 60 days of accelerated aging test is similar to the power degradation after two years of outdoor empirical in Yinchuan. The degradation of power is positively correlated with the change of short-circuit current. Through the fitting analysis of degradation model, the degradation trend of components in outdoor test and indoor accelerated aging test is close to each other, which is consistent with the degradation model, indicating that the indoor accelerated aging test can simulate the actual working conditions of the modules in the outdoor environment to a good extent.

Key words

photovoltaic module / degradation / accelerated aging test / outdoor empirical / degradation model / correlation analysis

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Xu Ying, Zhu Bingjie, Huai Chaojun, Chen Haomin, Ma Chao. COMPARATIVE STUDY ON INDOOR AND OUTDOOR AGING TEST OF PHOTOVOLTAIC MODULES[J]. Acta Energiae Solaris Sinica. 2025, 46(2): 374-380 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1645

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