GB/T 6495.5-2025 Pending National standards

GB/T 6495.5-2025 Photovoltaic devices—Part 5:Determination of the equivalent cell temperature(ECT) of photovoltaic(PV) devices by the open-circuit voltage method

GB/T 6495.5-2025 Photovoltaic devices—Part 5:Determination of the equivalent cell temperature(ECT) of photovoltaic(PV) devices by the open-circuit voltage method

Publish Date: 2025-12-31 Implement Date: 2026-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 6495.5-2025

Standard Type: National standards

Standard Status: Pending

is_force_gb: no

CCS Name: Physical power supply

ICS Name: Solar energy engineering

Publish Date: 2025-12-31

Implement Date: 2026-07-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国太阳光伏能源系统标准化技术委员会(SAC/TC 90)

Pages: 16 pages

Scope

本文件描述了用于确定光伏器件（包含光伏电池、光伏组件及同类型组件构成的光伏方阵等)ECT的首选方法，这一方法旨在比较光伏器件的热特性，确定NOCT或NMOT，以及将测得的电流-电压（I-V)特性转换到其他温度下的等效值。
本文件适用于在稳定条件下开路电压（Voc)与辐照度呈对数关系的线性器件。本文件能用于所有技术，但必须验证不存在影响测量的预处理效应。

Development Information

Drafting Units:

阿特斯阳光电力集团股份有限公司、中国电子技术标准化研究院、隆基绿能科技股份有限公司、国源检验检测技术(江苏)有限公司、常熟阿特斯阳光电力科技有限公司、浙江芯能光伏科技股份有限公司

Drafting Persons:

尉元杰、张光春、李振国、陈晓达、庄天奇、马竞涛、葛华云、许涛、张震豪、肖凌超

Word Count: 19 Thousand words Pages: 16 pages

Same series standard

GB/T 6495.1-2025 Photovoltaic devices—Part 1:Measurement of photovoltaic current-voltage characteristics GB/T 6495.2-2025 Photovoltaic devices—Part 2:Requirements for photovoltaic reference devices GB/T 6495.3-2025 Photovoltaic devices—Part 3:Measurement principles for terrestrial photovoltaic(PV) solar devices with reference spectral irradiance data GB/T 6495.7-2025 Photovoltaic devices—Part 7:Computation of the spectral mismatch correction for measurements of photovoltaic devices GB/T 6495.8-2025 Photovoltaic devices—Part 8:Measurement of spectral responsivity of a photovoltaic(PV) device GB/T 6495.9-2025 Photovoltaic devices—Part 9:Classification of solar simulator characteristics GB/T 6495.10-2025 Photovoltaic devices—Part 10:Methods of linear dependence and linearity measurements GB/T 6495.101-2025 Photovoltaic devices—Part 1-1:Measurement of current-voltage characteristics of multi-junction photovoltaic(PV) devices GB/T 6495.801-2025 Photovoltaic devices—Part 8-1:Measurement of spectral responsivity of multi-junction photovoltaic(PV) devices

Replace the following standards

GB/T 6495.5-1997 Photovoltaic devices—Part 5:Determination of the equivalent cell temperature(ECT) of photovoltaic (PV)devices by the open-circuit voltage method

Referenced Standards

IEC 60891 IEC 60904-1 IEC TS 60904-1-2:2024 IEC 60904-2 IEC 60904-7 IEC 60904-10 IEC 61215-2IEC 61829

Adopt standards

IEC 60904-5:2011

Related Standards

GB/T 6492-1986 Active

GB/T 6492-1986 Astronautic standard solar cell

Publish Date: 1986-06-18

GB/T 6494-1986 Replaced

GB/T 6494-1986 Measurement procedures for electrical characteristics of astronautic solar cells

Publish Date: 1986-06-18

GB/T 6496-1986 Replaced

GB/T 6496-1986 The general rules of astronautic solar cell calibration

Publish Date: 1986-06-18

GB/T 6497-1986 Active

GB/T 6497-1986 The general rules of terrestrial solar cell calibration

Publish Date: 1986-06-18

GB/T 12632-1990 Abolished

GB/T 12632-1990 General specification of single silicon solar cells

Publish Date: 1990-12-28

GB/T 12915-1991 Abolished

GB/T 12915-1991 Test methods to determine the thermal performance of domestic solar water heaters

Publish Date: 1991-05-22