Abstract

The purpose of this paper is to study the durability and performance of photovoltaic glass components in salt spray environments. So it can be founed that a reasonable solution to increase the life of PV glass and to ensure the continuity of its performance. The PVB film was used for the comparison and performance analysis of the salt spray treatment of salt water at one week and two weeks. The PVB film was tested for the light transmission performance and other mechanical properties changes of PVB film. It was shown that the strength of the PV module sample after one week of salt spray treatment is 26.48508MPa, and the strength of the sample after two weeks of salt spray treatment of the PV module is 13.35496MPa. The direct sunlight transmittance ratio of A groups (300 ~ 2500nm) is 94.50. Direct sunlight transmission ratio of B groups (300 ~ 2500nm) is 92.30. The results show that the light transmission performance of the PV module after salt spray cycle is reduced by 2.3%, and the strength is obviously decreased by 49.57%.

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