DANSK DSF/PREN 62892-1 PDF

The purpose of the IEC 62892 set of International Standard is to supplement IEC 61215 and IEC TS 62941 by providing additional sampling and testing requirements that go beyond the initial design qualification and type testing. In the IEC 62892 standards, 1) sampling is of product coming from large-scale production to assess not only the initial design, but the manufacturing of that design, 2) the tests are designed to differentiate the durability of PV modules for deployment in a larger range of applications and use conditions and 3) the tests are designed to evaluate module performance in relation to wear out as opposed to infant mortality. The different parts of IEC 62892 will be designed to test for specific operating conditions. Some parts may be technology specific while others are applicable to all PV technologies deployed in locations where the specific conditions are anticipated. Each individual part of IEC 62892 will indicate what conditions and technologies it applies to. Part 1 describes the overall test requirements including sampling, how to differentiate various types of stresses and their associated tests, the pass/fail criteria and how the results should be documented. Part 2 provides tests that differentiate thermal fatigue durability of modules for deployment in a larger range of applications and use conditions. Part 3 provides tests of the encapsulant and frontsheet transmittance under extended UV exposure. Part 4 is planned to provide tests that differentiate the durability of modules to stresses observed in tropical climates (high absolute humidity). Subsequent additions may be incorporated to differentiate module durability to other stresses as tests are identified that are predictive of long-term performance in the field. Note: Only parts 2 and 3 have been approved as new work items at this time. Other parts will be prepared as their test methods are developed and accepted.