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IEC 62788-1-4:2016 ED1

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

Publication date:   Oct 15, 2020

General information

60.60 Standard published   Sep 27, 2016

IEC

TC 82

International Standard

27.160   Solar energy engineering

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Scope

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.

Life cycle

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PUBLISHED
IEC 62788-1-4:2016 ED1
60.60 Standard published
Sep 27, 2016

CORRIGENDA / AMENDMENTS

PUBLISHED
IEC 62788-1-4:2016/AMD1:2020 ED1