Active standard | Published: 25/03/2022

IEC/TS 63109-ed.1.0

Photovoltaic (PV) modules and cells - Measurement of diode ideality factor by quantitative analysis of electroluminescence images

Available languages: English

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Detail information

Designation: IEC/TS 63109-ed.1.0

Publication date: 25/03/2022

Pages: 0

Country: International technical standard

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Anotation

IEC TS 63109:2022 specifies a method to measure the diode ideality factor of photovoltaic cells and modules by quantitative analysis of electroluminescence (EL) images. This document provides a definition of the term diode ideality factor n, as the inverse of increment ratio of natural logarithm of current as a function of applied voltage, which is related to the fill factor FF, and is useful as an effective indicator to represent the output efficiency of photovoltaic cells and modules with the other key parameters open circuit voltage Voc and short circuit current Isc.

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