BS EN IEC 62788-6-2:2020 - Measurement procedures for materials used in photovoltaic modules. General tests. Moisture permeation testing of polymeric materials

BS EN IEC 62788-6-2:2020

Measurement procedures for materials used in photovoltaic modules. General tests. Moisture permeation testing of polymeric materials

Status : Current   Published : May 2020

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IEC 62788-6-2:2020 provides methods for measuring the steady-state water vapour transmission rate (WVTR), water vapour permeability (P), diffusivity (D), solubility (S), and moisture breakthrough time (?10) (defined as the time to reach 10 % of the steady state WVTR) for polymeric materials such as encapsulants, edge seals, frontsheets and backsheets. These measurements can be made at selected temperatures and humidity levels as deemed appropriate for evaluation of their performance in PV modules. Measurement is accomplished by inspection of the transient WVTR curve and by fitting it to a theoretical Fickian model. This document is best applied to monolithic films. If multilayer films are used, the D and S values are only apparent values, but the steady-state values can still be measured.




Standard NumberBS EN IEC 62788-6-2:2020
TitleMeasurement procedures for materials used in photovoltaic modules. General tests. Moisture permeation testing of polymeric materials
StatusCurrent
Publication Date13 May 2020
Normative References(Required to achieve compliance to this standard)ISO 15106-2, IEC/TS 61836, ISO 15106-4, ISO 15106-3, EN ISO 15106-2, ASTM F1249-06, IEC TS 61836, ISO 15106-1, ISO 2528, EN ISO 15106-3, ISO 9932, EN ISO 15106-1
Informative References(Provided for Information)EN IEC 61730-1, IEC 61730-1
International RelationshipsEN IEC 62788-6-2:2020,IEC 62788-6-2:2020
Draft Superseded By17/30352674 DC
DescriptorsDimensions, Modules, Sheet materials, Photovoltaic cells, Measurement
ICS27.160
Title in FrenchProcédures de mesure des matériaux utilisés dans les modules photovoltaïques Essais génériques. Essais de perméation à l'humidité des matériaux polymères
Title in GermanMessverfahren für Werkstoffe, die in Photovoltaik-Modulen verwendet werden Allgemeine Prüfungen. Permeationsprüfung mit polymeren Materialien
CommitteeGEL/82
ISBN978 0 580 96639 2
PublisherBSI
FormatA4
DeliveryYes
Pages24
File Size1.211 MB
Price£182.00


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