GB/T 46984.1-2025: Photovoltaic cells - Part 1: Measurement of light-induced degradation of crystalline silicon photovoltaic cells

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Scope

This document specifies the method for testing the light-induced degradation of
crystalline silicon photovoltaic cells under simulated light sources. The light-induced
degradation value of the crystalline silicon photovoltaic cell is obtained by comparing
the maximum output power of the photovoltaic cell before and after the test under
standard test conditions (STC). The test shall be conducted at the given temperature and
irradiance.
This document applies to the testing of light-induced degradation of crystalline silicon
photovoltaic cells.

Basic Data

Standard ID	GB/T 46984.1-2025 (GB/T46984.1-2025)
Description (Translated English)	Photovoltaic cells - Part 1: Measurement of light-induced degradation of crystalline silicon photovoltaic cells
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	K83
Classification of International Standard	27.160
Word Count Estimation	10,134
Date of Issue	2025-12-31
Date of Implementation	2026-04-01
Issuing agency(ies)	State Administration for Market Regulation, Standardization Administration of China