1 Scope and purpose The purpose of this experiment was to determine the ability of the component to resist salt spray corrosion. This experiment was used to evaluate the material's suitability and the quality and uniformity of the protective layer. 2 normative references The clauses in the following documents have been adopted as references to this standard. For dated references, all subsequent amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to reach an agreement based on this standard to study whether the latest version of these documents can be used . For undated references, the latest version is applicable to this standard. GB/T 6495.1-1996 Photovoltaic devices - Part 1: Measurement of photovoltaic current-voltage characteristics (idt IED 60904-1:1987) GB/T 2421-1999 Environmental testing for electric and electronic products Part 1: General (idt IEC 60068-1:1988) IEC 60068-2-11:1981 Environmental testing - Part 2-11: Tests Test Ka: Salt spray 3 Initial measurement --Visual inspection. - Test IV characteristics under standard test conditions (STC) (according to GB/T 6495.1-1996). - Insulation tests according to relevant standards. 4 procedures Test according to GB/T 2421-1999 and IEC 60068-2-11:1981, test Ka, shall meet the following requirements: - Pretreatment: Not required. - Condition: Sample position: The inclination of the top surface of the module and the vertical direction should be 15° to 30°. - Test duration: 96h. 5 last measurement - visual inspection before and after cleaning and drying of components. ——Test IV characteristics according to GB/T 6495.1-1996 under standard test conditions (STC) after cleaning and drying of components. - Insulation tests according to relevant standards. 6 requirements ——No mechanical damage or corrosion that seriously affects the normal working performance of the module. - The reduction in electrical performance (maximum power) should not exceed 5% of the initial value. - Should meet the insulation test requirements.
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