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IEC 62788-1-4 Ed. 1.1 b:2020

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
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IEC 62788-1-4 Ed. 1.1 b:2020

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

PUBLISH DATE 2020
PAGES 90
IEC 62788-1-4 Ed. 1.1 b:2020
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+A1:2020 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. This consolidated version consists of the first edition (2016) and its amendment 1 (2020). Therefore, no need to order amendment in addition to this publication.
SDO IEC: International Electrotechnical Commission
Document Number IEC 62788
Publication Date Oct. 1, 2020
Language b - English & French
Page Count 90
Revision Level 1.1
Supercedes
Committee 82
Publish Date Document Id Type View
Oct. 1, 2020 Revision
Oct. 1, 2020 IEC 62788-1-4 Ed. 1.1 b:2020 Revision
Sept. 1, 2016 IEC 62788-1-4 Ed. 1.0 b:2016 Revision
Sept. 1, 2016 Revision