标准解读

《GB/T 45021.1-2024 光伏组件性能测试和能量评定 第1部分:辐照度和温度性能测量和功率评定》是针对光伏组件在不同环境条件下进行性能测试及能量评定的标准。该标准旨在通过规定具体的测试方法与条件,确保光伏组件的性能数据具有可比性和准确性。

在辐照度和温度性能测量方面,标准详细描述了如何设置测试环境以模拟实际使用中的光照强度变化以及温度波动情况。它强调了在标准测试条件下(如特定的太阳光谱、入射角等)进行基准测试的重要性,并指出为了获得更全面的数据,还应在非标准条件下(例如不同的倾斜角度或遮挡情况下)进行额外测试。

对于功率评定,本文件提供了计算最大功率点的方法,包括但不限于IV曲线追踪技术。此外,考虑到外界因素对光伏系统效率的影响,标准建议采用多种模型来预测组件在长期运行中可能达到的实际输出功率。这些模型考虑到了诸如灰尘积累、老化效应等因素。

标准中也提到了关于数据记录与报告的具体要求,比如需要记录每次测试时的确切时间、地点、天气状况等信息,以便于后续分析与验证。同时,对于实验设备的选择也有明确指导,要求使用经过校准且精度满足一定要求的仪器来进行所有相关测量工作。


如需获取更多详尽信息,请直接参考下方经官方授权发布的权威标准文档。

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文档简介

ICS27.160

CCSK83

中华人民共和国国家标准

GB/T45021.1—2024

光伏组件性能测试和能量评定

第1部分:辐照度和温度性能测量和

功率评定

Photovoltaic(PV)moduleperformancetestingandenergyrating—

Part1:Irradianceandtemperatureperformancemeasurementsand

powerrating

(IEC61853⁃1:2011,MOD)

2024⁃12⁃31发布2025⁃04⁃01实施

国家市场监督管理总局

国家标准化管理委员会发布

GB/T45021.1—2024

目次

前言··························································································································Ⅲ

引言··························································································································Ⅳ

1范围·······················································································································1

2规范性引用文件········································································································1

3术语和定义··············································································································2

4抽样·······················································································································2

5标志·······················································································································3

6试验和合格判据········································································································3

7报告·······················································································································3

8功率评定条件···········································································································4

8.1通则·················································································································4

8.2标准测试条件(STC)····························································································4

8.3电池标称工作温度(NOCT)···················································································4

8.4低辐照度条件(LIC)·····························································································4

8.5高温条件(HTC)··································································································4

8.6低温条件(LTC)··································································································5

9辐照度和温度性能测量程序·························································································5

9.1目的·················································································································5

9.2线性组件的简化测量程序······················································································6

9.3自然光下使用跟踪器的测量程序·············································································6

9.4自然光下不使用跟踪器的测量程序··········································································8

9.5使用太阳模拟器的测量程序···················································································8

10功率评定···············································································································9

10.19

Isc、Voc、Vmax和Pmax的插值·····················································································

10.2功率评定········································································································10

参考文献····················································································································11

表1参考功率条件概要(AM1.5G)···················································································4

25

表Isc,Pmax,Voc,和Vmax与辐照度和温度对应表··································································

图1被测组件电池背面的温度测量位置············································································6

Ⅰ

GB/T45021.1—2024

前言

本文件按照GB/T1.1—2020《标准化工作导则第1部分:标准化文件的结构和起草规则》的规

定起草。

本文件是GB/T45021《光伏组件性能测试和能量评定》的第1部分。GB/T45021已经发布了以

下部分:

——第1部分:辐照度和温度性能测量和功率评定。

本文件修改采用IEC61853⁃1:2011《光伏组件性能测试和能量评定第1部分:辐照度和温度性

能测量和功率评定》。

本文件增加了“术语和定义”一章。

本文件与IEC61853⁃1:2011的技术差异及其原因如下:

——修改了范围(见第1章),以便于更好的反映标准的适用性;

——更改了抽样方法,用GB/T2828(所有部分)代替了IEC60410(见第4章),IEC60410已

废止;

——用规范性引用的IEC60891:2021代替了IEC60891:2008(见9.1和10.1.5),IEC60891已修

订更新版本;

——用规范性引用的IEC60904⁃7:2019代替了IEC60904⁃7(见9.3.6和9.5.6),IEC60904⁃7已修

订更新版本;

——删除IEC61215:2005和IEC61646:2008,对应增加引用了IEC61215-2:2021(见第6章、8.1

和9.5.8),IEC61215:2005和IEC61646:2008已修订合并到IEC61215系列。

本文件做了下列编辑性改动:

——将第1章中资料性引用的IEC61853⁃3增加到参考文献;

——将文本中规范性引用的ISO/IEC17025增加到第2章。

请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。

本文件由中华人民共和国工业和信息化部提出。

本文件由全国太阳光伏能源系统标准化技术委员会(SAC/TC90)归口。

本文件起草单位:无锡尚德太阳能电力有限公司、合肥协鑫集成新能源科技有限公司、北京鉴衡认

证中心有限公司、中国电子科技集团公司第十八研究所、中国电子技术标准化研究。

本文件主要起草人:龚海丹、王国峰、陈晓达、肖志斌、冯亚彬、裴会川。

Ⅲ

GB/T45021.1—2024

引言

光伏(PV)组件通常在电池温度25℃、辐照度1000W/m2和光谱AM1.5的标准测试条件(STC)

下进行。然而,现场的光伏组件在一系列温度、辐照度和光谱范围内运行,为了准确预测组件在不同条

件下的产能,有必要对宽范围的温度、辐照度、入射角和光谱下对组件进行评估。

GB/T45021《光伏组件性能测试和能量评价》拟由四个部分组成。

——第1部分:辐照度和温度性能测量与功率等级评定。目的在于规定在一系列辐照度和温度

下,根据额定功率(瓦)评估光伏组件性能的要求。

——第2部分:光谱响应度、入射角和组件工作温度测量。目的在于确立测量入射角和光谱响应

度的影响以及根据辐照度、环境温度和风速评估组件温度的测试程序。

——第3部分:光伏组件的额定能量。目的在于描述光伏组件额定能量(瓦时)的计算方法。

——第4部分:标准参考气候文件。目的在于给出可用于能量额定值计算的标准时间段和天气

条件。

Ⅳ

GB/T45021.1—2024

光伏组件性能测试和能量评定

第1部分:辐照度和温度性能测量和

功率评定

1范围

本文件确立了光伏组件的测试和评定系统,确保在一系列特定条件下光伏组件功率[单位为瓦

(W)]以最大功率运行;并给出了光伏组件在不同辐照度和温度下的全套的特性参数,便于进行光伏组

件能量评定(见IEC61853⁃3)。

本文件适用于地面用平板组件,如晶体硅组件以及薄膜组件。本文件也适用于单面组件。

2规范性引用文件

下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中,注日期的引用文

件,仅该日期对应的版本适用于本文件;不注日期的引用文件,其最新版本(包括所有的修改单)适用于

本文件。

GB/T2828(所有部分)计数抽样检验程序

注:GB/T2828.1—2012计数抽样检验程序第1部分:按接收质量限(AQL)检索的逐批检验抽样计划

(ISO2859⁃1:1999,IDT)

GB/T2828.2—2008计数抽样检验程序第2部分:按极限质量LQ检索的孤立批检验抽样方

案(ISO2859⁃2:1985,NEQ)

GB/T2828.3—2008计数抽样检验程序第3部分:跳批抽样程序(ISO2859⁃3:2005,IDT)

GB/T2828.4—2008计数抽样检验程序第4部分:声称质量水平的评定程序(ISO2859⁃4:

2002,MOD)

GB/T2828.5—2011计数抽样检验程序第5部分:按接收质量限(AQL)检索的逐批序贯抽样

检验系统(ISO2859⁃5:2005,IDT)

GB/T2828.10—2010计数抽样检验程序第10部分:GB/T2828计数抽样检验系列标准导则

(ISO2859⁃10:2006,MOD)

ISO/IEC17025检测和校准实验室能力的通用要求(Generalrequirementsforthecompetenceof

testingandcalibratio

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