標準解讀

《GB/T 45021.1-2024 光伏組件性能測試和能量評定 第1部分:輻照度和溫度性能測量和功率評定》是針對光伏組件在不同環(huán)境條件下進行性能測試及能量評定的標準。該標準旨在通過規(guī)定具體的測試方法與條件,確保光伏組件的性能數(shù)據(jù)具有可比性和準確性。

在輻照度和溫度性能測量方面,標準詳細描述了如何設(shè)置測試環(huán)境以模擬實際使用中的光照強度變化以及溫度波動情況。它強調(diào)了在標準測試條件下(如特定的太陽光譜、入射角等)進行基準測試的重要性,并指出為了獲得更全面的數(shù)據(jù),還應(yīng)在非標準條件下(例如不同的傾斜角度或遮擋情況下)進行額外測試。

對于功率評定,本文件提供了計算最大功率點的方法,包括但不限于IV曲線追蹤技術(shù)。此外,考慮到外界因素對光伏系統(tǒng)效率的影響,標準建議采用多種模型來預(yù)測組件在長期運行中可能達到的實際輸出功率。這些模型考慮到了諸如灰塵積累、老化效應(yīng)等因素。

標準中也提到了關(guān)于數(shù)據(jù)記錄與報告的具體要求,比如需要記錄每次測試時的確切時間、地點、天氣狀況等信息,以便于后續(xù)分析與驗證。同時,對于實驗設(shè)備的選擇也有明確指導(dǎo),要求使用經(jīng)過校準且精度滿足一定要求的儀器來進行所有相關(guān)測量工作。


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ICS27.160

CCSK83

中華人民共和國國家標準

GB/T45021.1—2024

光伏組件性能測試和能量評定

第1部分:輻照度和溫度性能測量和

功率評定

Photovoltaic(PV)moduleperformancetestingandenergyrating—

Part1:Irradianceandtemperatureperformancemeasurementsand

powerrating

(IEC61853?1:2011,MOD)

2024?12?31發(fā)布2025?04?01實施

國家市場監(jiān)督管理總局

國家標準化管理委員會發(fā)布

GB/T45021.1—2024

目次

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

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

1范圍·······················································································································1

2規(guī)范性引用文件········································································································1

3術(shù)語和定義··············································································································2

4抽樣·······················································································································2

5標志·······················································································································3

6試驗和合格判據(jù)········································································································3

7報告·······················································································································3

8功率評定條件···········································································································4

8.1通則·················································································································4

8.2標準測試條件(STC)····························································································4

8.3電池標稱工作溫度(NOCT)···················································································4

8.4低輻照度條件(LIC)·····························································································4

8.5高溫條件(HTC)··································································································4

8.6低溫條件(LTC)··································································································5

9輻照度和溫度性能測量程序·························································································5

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

9.2線性組件的簡化測量程序······················································································6

9.3自然光下使用跟蹤器的測量程序·············································································6

9.4自然光下不使用跟蹤器的測量程序··········································································8

9.5使用太陽模擬器的測量程序···················································································8

10功率評定···············································································································9

10.19

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

10.2功率評定········································································································10

參考文獻····················································································································11

表1參考功率條件概要(AM1.5G)···················································································4

25

表Isc,Pmax,Voc,和Vmax與輻照度和溫度對應(yīng)表··································································

圖1被測組件電池背面的溫度測量位置············································································6

GB/T45021.1—2024

前言

本文件按照GB/T1.1—2020《標準化工作導(dǎo)則第1部分:標準化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)

定起草。

本文件是GB/T45021《光伏組件性能測試和能量評定》的第1部分。GB/T45021已經(jīng)發(fā)布了以

下部分:

——第1部分:輻照度和溫度性能測量和功率評定。

本文件修改采用IEC61853?1:2011《光伏組件性能測試和能量評定第1部分:輻照度和溫度性

能測量和功率評定》。

本文件增加了“術(shù)語和定義”一章。

本文件與IEC61853?1:2011的技術(shù)差異及其原因如下:

——修改了范圍(見第1章),以便于更好的反映標準的適用性;

——更改了抽樣方法,用GB/T2828(所有部分)代替了IEC60410(見第4章),IEC60410已

廢止;

——用規(guī)范性引用的IEC60891:2021代替了IEC60891:2008(見9.1和10.1.5),IEC60891已修

訂更新版本;

——用規(guī)范性引用的IEC60904?7:2019代替了IEC60904?7(見9.3.6和9.5.6),IEC60904?7已修

訂更新版本;

——刪除IEC61215:2005和IEC61646:2008,對應(yīng)增加引用了IEC61215-2:2021(見第6章、8.1

和9.5.8),IEC61215:2005和IEC61646:2008已修訂合并到IEC61215系列。

本文件做了下列編輯性改動:

——將第1章中資料性引用的IEC61853?3增加到參考文獻;

——將文本中規(guī)范性引用的ISO/IEC17025增加到第2章。

請注意本文件的某些內(nèi)容可能涉及專利。本文件的發(fā)布機構(gòu)不承擔(dān)識別專利的責(zé)任。

本文件由中華人民共和國工業(yè)和信息化部提出。

本文件由全國太陽光伏能源系統(tǒng)標準化技術(shù)委員會(SAC/TC90)歸口。

本文件起草單位:無錫尚德太陽能電力有限公司、合肥協(xié)鑫集成新能源科技有限公司、北京鑒衡認

證中心有限公司、中國電子科技集團公司第十八研究所、中國電子技術(shù)標準化研究。

本文件主要起草人:龔海丹、王國峰、陳曉達、肖志斌、馮亞彬、裴會川。

GB/T45021.1—2024

引言

光伏(PV)組件通常在電池溫度25℃、輻照度1000W/m2和光譜AM1.5的標準測試條件(STC)

下進行。然而,現(xiàn)場的光伏組件在一系列溫度、輻照度和光譜范圍內(nèi)運行,為了準確預(yù)測組件在不同條

件下的產(chǎn)能,有必要對寬范圍的溫度、輻照度、入射角和光譜下對組件進行評估。

GB/T45021《光伏組件性能測試和能量評價》擬由四個部分組成。

——第1部分:輻照度和溫度性能測量與功率等級評定。目的在于規(guī)定在一系列輻照度和溫度

下,根據(jù)額定功率(瓦)評估光伏組件性能的要求。

——第2部分:光譜響應(yīng)度、入射角和組件工作溫度測量。目的在于確立測量入射角和光譜響應(yīng)

度的影響以及根據(jù)輻照度、環(huán)境溫度和風(fēng)速評估組件溫度的測試程序。

——第3部分:光伏組件的額定能量。目的在于描述光伏組件額定能量(瓦時)的計算方法。

——第4部分:標準參考氣候文件。目的在于給出可用于能量額定值計算的標準時間段和天氣

條件。

GB/T45021.1—2024

光伏組件性能測試和能量評定

第1部分:輻照度和溫度性能測量和

功率評定

1范圍

本文件確立了光伏組件的測試和評定系統(tǒng),確保在一系列特定條件下光伏組件功率[單位為瓦

(W)]以最大功率運行;并給出了光伏組件在不同輻照度和溫度下的全套的特性參數(shù),便于進行光伏組

件能量評定(見IEC61853?3)。

本文件適用于地面用平板組件,如晶體硅組件以及薄膜組件。本文件也適用于單面組件。

2規(guī)范性引用文件

下列文件中的內(nèi)容通過文中的規(guī)范性引用而構(gòu)成本文件必不可少的條款。其中,注日期的引用文

件,僅該日期對應(yīng)的版本適用于本文件;不注日期的引用文件,其最新版本(包括所有的修改單)適用于

本文件。

GB/T2828(所有部分)計數(shù)抽樣檢驗程序

注:GB/T2828.1—2012計數(shù)抽樣檢驗程序第1部分:按接收質(zhì)量限(AQL)檢索的逐批檢驗抽樣計劃

(ISO2859?1:1999,IDT)

GB/T2828.2—2008計數(shù)抽樣檢驗程序第2部分:按極限質(zhì)量LQ檢索的孤立批檢驗抽樣方

案(ISO2859?2:1985,NEQ)

GB/T2828.3—2008計數(shù)抽樣檢驗程序第3部分:跳批抽樣程序(ISO2859?3:2005,IDT)

GB/T2828.4—2008計數(shù)抽樣檢驗程序第4部分:聲稱質(zhì)量水平的評定程序(ISO2859?4:

2002,MOD)

GB/T2828.5—2011計數(shù)抽樣檢驗程序第5部分:按接收質(zhì)量限(AQL)檢索的逐批序貫抽樣

檢驗系統(tǒng)(ISO2859?5:2005,IDT)

GB/T2828.10—2010計數(shù)抽樣檢驗程序第10部分:GB/T2828計數(shù)抽樣檢驗系列標準導(dǎo)則

(ISO2859?10:2006,MOD)

ISO/IEC17025檢測和校準實驗室能力的通用要求(Generalrequirementsforthecompetenceof

testingandcalibratio

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