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Article dans une revue

Accelerated degradation testing of a photovoltaic module

Abstract :

 There are a great many photovoltaic (PV) modules installed around the world. Despite this, not enough is known about the reliability of these modules. Their electrical power output decreases with time mainly as a result of the effects of corrosion, encapsulation discoloration, and solder bond failure. The failure of a PV module is defined as the point where the electrical power degradation reaches a given threshold value. Accelerated life tests (ALTs) are commonly used to assess the reliability of a PV module. However, ALTs provide limited data on the failure of a module and these tests are expensive to carry out. One possible solution is to conduct accelerated degradation tests. The Wiener process in conjunction with the accelerated failure time model makes it possible to carry out numerous simulations and thus to determine the failure time distribution based on the aforementioned threshold value. By this means, the failure time distribution and the lifetime (mean and uncertainty) can be evaluated.

Type de document :
Article dans une revue
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Soumis le : lundi 15 novembre 2021 - 10:49:33
Dernière modification le : lundi 15 novembre 2021 - 10:49:34




Abderafi Charki, Rémi Laronde, David Bigaud. Accelerated degradation testing of a photovoltaic module. Journal of Photonics for Energy, Society of Photo-optical Instrumentation Engineers (SPIE), 2013, 3 (1), Non spécifié. ⟨10.1117/1.JPE.3.033099⟩. ⟨hal-03428512⟩



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