VDE-AR-E 2126-4-100 Anwendungsregel:2021-11

Requirements for the implementation and evaluation of a test for Light and Elevated Temperature Induced Degradation (LETID) of photovoltaic cells and modules

Class/Status: Anwendungsregel, valid
Released: 2021-11
VDE Art. No.: 0100643

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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.

This Document is related to the following Topics (in bold):

27	ENERGY AND HEAT TRANSFER ENGINEERING
27.010	Energy and heat transfer engineering in general
27.015	Energy efficiency. Energy conservation in general
27.060	Burners. Boilers
27.070	Fuel cells
27.075	Hydrogen technologies
27.080	Heat pumps
27.100	Power stations in general
27.120	Nuclear energy engineering
27.140	Hydraulic energy engineering
27.160	Solar energy engineering
27.180	Wind turbine energy systems
27.190	Biological sources and alternative sources of energy
27.200	Refrigerating technology

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VDE-AR-E 2126-4-100 Anwendungsregel:2021-11

Requirements for the implementation and evaluation of a test for Light and Elevated Temperature Induced Degradation (LETID) of photovoltaic cells and modules

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