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E VDE-AR-E 2126-4-100 Anwendungsregel:2020-11

* German Language Version *

Requirements for the implementation and evaluation of a LeTID test for photovoltaic cells and modules

Class/Status: Draft, valid
Released: 2020-11   Published: 2020-10-23
VDE Art. No.: 1100649
End of objection deadline: 2020-12-23

This VDE application guide describes basic requirements for a test method for the characterization of solar cells or modules for “Light and elevated Temperature Induced Degradation” (LeTID).
The test method is applicable to all silicon-based PV modules and cells. It is particularly relevant for Passivated Emitter and Rear Contact (PERC) cells and modules as they exhibit an increased LeTID sensitivity.