IEC 61646 pdf download

IEC 61646 pdf download

IEC 61646 pdf download Thin-film terrestrial photovoltaic (PV) modules – Design qualification and type approval
1 scope and object
This International Standard lays down requirements for the design qualification and typeapproval of terrestrial,thin-film photovoltaic modules suitable for long-term operation ingeneral open-air climates as defined in lEC 60721-2-1.This standard is intended to apply toall terrestrial flat plate module materials not covered by lEC 61215.
The test sequence is derived from lEC 61215 for the design qualification and type approval ofterrestrial crystalline silicon PV modules. However, it no longer relies on meeting a plus/minuscriterion before and after each test, but rather on meeting a specified percentage of the ratedminimum power after all of the tests have been completed and the modules have been light-soaked. This eliminates the technology-specific preconditioning necessary to accuratelymeasure the changes caused by the test.
This standard does not apply to modules used with concentrators.
The object of this test sequence is to determine the electrical and thermal characteristics ofthe module and to show, as far as possible within reasonable constraints of cost and time,that the module is capable of withstanding prolonged exposure in climates described in thescope.The actual life expectancy of modules so qualified will depend on their design,theirenvironment and the conditions under which they are operated.
2Normative references
The following referenced documents are indispensable for the application of this document.For dated references,only the edition cited applies. For undated references, the latest editionof the referenced document (including any amendments) applies.
IEC 60068-1: Environmental testing – Part 1: General and guidance
IEC 60068-2-21: Environmental testing – Part 2-21: Tests – Test U: Robustness ofterminations and integral mounting devices
IEC 60068-2-78:2001,Environmental testing – Part 2-78: Tests – Test Cab: Damp heat,steady state
IEC 60410,Sampling plans and procedures for inspection by attributes
lEC 60721-2-1,Classification of environmental conditions – Part 2-1: Environmentalconditions appearing in nature – Temperature and humidity
IEC 60891,Procedures for temperature and irradiance corrections to measured l-vcharacteristics of crystalline silicon photovoltaic (PV) devices
IEC 60904-1:2006,Photovoltaic devices – Part 1: Measurements of photovoltaic current-voltage characteristics
IEc 60904-2,Photovoltaic devices – Part 2: Requirements for reference solar devices
3 Sampling Eight modules for qualification testing (plus spares as desired) shall be taken at random from a production batch or batches, in accordance with the procedure given in IEC 6041 0. The modules shall have been manufactured from specified materials and components in accordance with the relevant drawings and process sheets and shall have been subjected to the manufacturer’s normal inspection, quality control and production acceptance procedures. The modules shall be complete in every detail and shall be accompanied by the manufacturer’s handling, mounting and connection instructions, including the maximum permissible system voltage.

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