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ČSN EN IEC 62892 (364616)
Extended thermal cycling of PV modules - Test procedure
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NORM herausgegeben am 1.12.2019
Informationen über die Norm:
Bezeichnung normen: ČSN EN IEC 62892
Zeichen: 364616
Katalog-Nummer: 508391
Ausgabedatum normen: 1.12.2019
SKU: NS-977040
Zahl der Seiten: 28
Gewicht ca.: 84 g (0.19 Pfund)
Land: Tschechische technische Norm
Kategorie: Technische Normen ČSN
Kategorie - ähnliche Normen:
Die Annotation des Normtextes ČSN EN IEC 62892 (364616):
This document defines a test sequence that extends the thermal cycling test of IEC 61215-2. It is intended to differentiate PV modules with improved durability to thermal cycling and evaluate modules for deployment in locations most susceptible to thermal cycling type stress . This document is based on the ability for 95 % of the modules represented by the samples submitted for this test to pass an equivalency of 500 thermal cycles, as defined in IEC 61215 2:2016, 4.11.3, with a maximum power degradation of less than 5 %. Provisions are also provided to reduce overall test time by increasing the maximum cycle temperature and/or the number of modules submitted for test. The test procedure in this document was developed based on analysis of the stress on tin-lead solder bonds on crystalline silicon solar cells in a glass superstrate type package. Changes to lead-free solder have an effect on the acceleration factors but not enough to change the overall results of this test. Monolithic type modules with integral cell interconnection do not suffer from this specific type of stress but there are still electrical connections within the module, for example between the integrated cell circuit and the module bus bars, that may be subject to wear out from thermal cycling. Flexible modules (without glass) are not stressed in the same way as those with glass superstrates or substrates, therefore use of the equivalency factor employed in this document may not be applicable to these modules
