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IEC TS 62788-2:2017

Current
Current

The latest, up-to-date edition.

Measurement procedures for materials used in photovoltaic modules - Part 2: Polymeric materials - Frontsheets and backsheets
Published date

08-16-2017

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Test procedures
5 Uniform characterization form (UCF)
6 Data sheet
7 Product identification sheet (label)
Annex A (informative) - Overview of adhesion testing
        of frontsheet and backsheet
Annex B (normative) - Adhesive bond strength test
        procedures in PV context
Annex C (normative) - DC breakdown voltage
Annex D (informative) - Abrasion testing
Annex E (normative) - Sampling of films
Annex F (normative) - Sample preparation
Bibliography

IEC TS 62788-2:2017(E) defines test methods and datasheet reporting requirements for safety and performance related properties (mechanical, electrical, thermal, optical and chemical) of non-rigid polymeric materials intended for use in terrestrial photovoltaic modules as polymeric frontsheets and backsheets. The test methods define how to characterize backsheet and frontsheet materials and their components in a manner representative of how they will be used in the module, which eventually includes combination with other matched components such as encapsulant or adhesives. The methods described in this document support the safety and performance related tests defined on PV module level as defined in the series IEC 61730 and IEC 61215. This document also defines test methods for assessment of inherent material characteristics of polymeric backsheets and frontsheets or their components.

DevelopmentNote
Stability Date: 2022. (08/2017)
DocumentType
Technical Specification
PublisherName
International Electrotechnical Committee
Status
Current

IEC TS 62788-7-2:2017 Measurement procedures for materials used in photovoltaic modules - Part 7-2: Environmental exposures - Accelerated weathering tests of polymeric materials
UNE-EN 62788-1-5:2017 Measurement procedures for materials used in photovoltaic modules - Part 1-5: Encapsulants - Measurement of change in linear dimensions of sheet encapsulation material resulting from applied thermal conditions
BS EN 62788-1-5:2016 Measurement procedures for materials used in photovoltaic modules Encapsulants. Measurement of change in linear dimensions of sheet encapsulation material resulting from applied thermal conditions
17/30352672 DC : 0 BS IEC 62788-5-1 ED 1.0 - MEASUREMENT PROCEDURES FOR MATERIALS USED IN PHOTOVOLTAIC MODULES - 5-1: EDGE SEALS - SUGGESTED TEST METHODS FOR USE WITH EDGE SEAL MATERIALS
EN 62788-1-5:2016/AC:2017-11 MEASUREMENT PROCEDURES FOR MATERIALS USED IN PHOTOVOLTAIC MODULES - PART 1-5: ENCAPSULANTS - MEASUREMENT OF CHANGE IN LINEAR DIMENSIONS OF SHEET ENCAPSULATION MATERIAL RESULTING FROM APPLIED THERMAL CONDITIONS (IEC 62788-1-5:2016/COR1:2017)
PD IEC/TS 62788-7-2:2017 Measurement procedures for materials used in photovoltaic modules Environmental exposures. Accelerated weathering tests of polymeric materials

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IEC 60216-2:2005 Electrical insulating materials - Thermal endurance properties - Part 2: Determination of thermal endurance properties of electrical insulating materials - Choice of test criteria
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EN 821-2:1997 Advanced technical ceramics - Monolithic ceramics - Thermo-physical properties - Part 2: Determination of thermal diffusivity by the laser flash (or heat pulse) method
IEC 62788-1-2:2016 Measurement procedures for materials used in photovoltaic modules - Part 1-2: Encapsulants - Measurement of volume resistivity of photovoltaic encapsulants and other polymeric materials
ISO 15105-2:2003 Plastics — Film and sheeting — Determination of gas-transmission rate — Part 2: Equal-pressure method
IEC 61189-3:2007 Test methods for electrical materials, printed boards and other interconnection structures and assemblies - Part 3: Test methods for interconnection structures (printed boards)
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IEC 60904-3:2016 Photovoltaic devices - Part 3: Measurement principles for terrestrial photovoltaic (PV) solar devices with reference spectral irradiance data
ISO 536:2012 Paper and board Determination of grammage
IEC TS 62788-7-2:2017 Measurement procedures for materials used in photovoltaic modules - Part 7-2: Environmental exposures - Accelerated weathering tests of polymeric materials
IEC 60050-826:2004 International Electrotechnical Vocabulary (IEV) - Part 826: Electrical installations
IEC 60243-2:2013 Electric strength of insulating materials - Test methods - Part 2: Additional requirements for tests using direct voltage
SAC GB/T 31034 : 2014 INSULATING BACK SHEET FOR CRYSTALLINE SILICON TERRESTRIAL PHOTOVOLTAIC (PV) MODULES
ISO 11664-2:2007 Colorimetry — Part 2: CIE standard illuminants
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IEC 60216-5:2008 Electrical insulating materials - Thermal endurance properties - Part 5: Determination of relative thermal endurance index (RTE) of an insulating material
ISO 2409:2013 Paints and varnishes Cross-cut test
ISO 527-3:1995 Plastics Determination of tensile properties Part 3: Test conditions for films and sheets
IEC 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
IEC 60050-581:2008 International Electrotechnical Vocabulary (IEV) - Part 581: Electromechanical components for electronic equipment
IEC 60216-1:2013 Electrical insulating materials - Thermal endurance properties - Part 1: Ageing procedures and evaluation of test results
IEC 62805-2:2017 Method for measuring photovoltaic (PV) glass - Part 2: Measurement of transmittance and reflectance
ASTM D 374 : 1999 Standard Test Methods for Thickness of Solid Electrical Insulation
ISO 2813:2014 Paints and varnishes Determination of gloss value at 20, 60 and 85
ISO 4593:1993 Plastics Film and sheeting Determination of thickness by mechanical scanning

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