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IEC 62788-1-4

IEC 62788-1-4:2016
Measurement procedures for materials used in photovoltaic modules - Part 1-4: Encapsulants - Measurement of optical transmittance and calculation of the solar-weighted photon transmittance, yellowness index, and UV cut-off wavelength
IEC 62788-1-4:2016 provides a method for measurement of the optical transmittance of encapsulation materials used in photovoltaic (PV) modules. The standardized measurements in this procedure quantify the expected transmittance of the encapsulation to the PV cell. Subsequent calculation of solar-weighted transmittance allows for comparison between different materials. The results for unweathered material may be used in an encapsulation manufacturer's datasheets, in manufacturer's material or process development, in manufacturing quality control (material acceptance), or applied in the analysis of module performance. This measurement method can also be used to monitor the performance of encapsulation materials after weathering, to help assess their durability.
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Technical committee

TC 82 Solar photovoltaic energy systems

Category

Quality Assurance

Keywords

Rural electrification - Solar power - Solar panel - Photovoltaic - PV - Electricity - LVDC
Publication typeInternational Standard
Publication date2016-09-27
Edition1.0
ICS

27.160

Stability date2025
ISBN number9782832236345
Pages37
File size1.21 MB
EditionDatePublicationEditionStatus

  • Ensure access to affordable, reliable, sustainable and modern energy for all

  • Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation

  • Take urgent action to combat climate change and its impacts

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