Abstract
This paper describes the use of steady-state solar simulator for CIGS thin-film photovoltaic module hot-spot endurance test. In the study, not only are test procedures of hot-spot endurance test in IEC 61646 discussed, but also how to evaluate the performance of steady-state solar simulator by IEC 60904-9 is presented. Three CIGS thin-film PV modules with the same types are used for hot-spot endurance test in case study. It is found that some of the cell damages and visual defects on tested PV modules are clearly observed.
Highlights
Photovoltaic (PV) module is mainly constructed by the series/parallel solar cell combinations
This paper describes the use of steady-state solar simulator for CIGS thin-film photovoltaic module hot-spot endurance test
Carry out of hot-spot endurance test for thin-film PV module by steady-state solar simulator is presented in this paper
Summary
Photovoltaic (PV) module is mainly constructed by the series/parallel solar cell combinations. For a long time use, such shaded solar cell may need to consume a high thermal energy, which may cause the cell damage to the shaded solar cell. The phenomenon is so-called PV module “hot-spot” effect. When design a PV module, bypass diodes are often used to prevent hot-spot effect. Otherwise to increase the strength of the material used in PV module is a way to eliminate the thermal destruction caused by hot-spot effect. The discussions of hot-spot endurance problems in CIGS PV module are not often seen in past efforts [1]. This paper will present a study of using steady-state solar simulator for CIGS PV modules hot-spot endurance test. Some of the failure tests will be discussed in case studies
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