EN 62805-2-2017 en Method for measuring photovoltaic (PV) glass - Part 2 Measurement of transmittance and reflectance.pdf

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1、Method for measuring photovoltaic (PV) glassPart 2: Measurement of transmittance and reflectance (IEC 62805-2:2017)BS EN 62805-2:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 62805-2 November 2017 ICS 27.160

2、English Version Method for measuring photovoltaic (PV) glass - Part 2: Measurement of transmittance and reflectance (IEC 62805-2:2017) Mthode de mesure du verre photovoltaque (PV) - Partie 2: Mesurage du facteur de transmission et du facteur de rflexion (IEC 62805-2:2017) Verfahren fr die Messung vo

3、n photovoltaischem (PV) Glas - Teil 2: Messung von Transmissionsgrad und Reflexionsgrad (IEC 62805-2:2017) This European Standard was approved by CENELEC on 2017-09-21. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Europe

4、an Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versi

5、ons (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical comm

6、ittees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Sl

7、ovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017

8、CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 62805-2:2017 E National forewordThis British Standard is the UK implementation of EN 62805-2:2017. It is identical to IEC 62805-2:2017.The UK participation in its preparation was entru

9、sted to Technical Committee GEL/82, Photovoltaic Energy Systems.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application

10、. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 94732 2ICS 27.160Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 3

11、0 November 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 62805-2:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 62805-2 November 2017 ICS 27.160 English Version Method for measuring photovoltaic (PV) glass - Part 2: Measurement of transmittance

12、and reflectance (IEC 62805-2:2017) Mthode de mesure du verre photovoltaque (PV) - Partie 2: Mesurage du facteur de transmission et du facteur de rflexion (IEC 62805-2:2017) Verfahren fr die Messung von photovoltaischem (PV) Glas - Teil 2: Messung von Transmissionsgrad und Reflexionsgrad (IEC 62805-2

13、:2017) This European Standard was approved by CENELEC on 2017-09-21. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliogra

14、phical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the respons

15、ibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland

16、, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for

17、Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Membe

18、rs. Ref. No. EN 62805-2:2017 E BS EN 62805-2:2017EN 62805-2:2017 2 European foreword The text of document 82/1298/FDIS, future edition 1 of IEC 62805-2, prepared by IEC/TC 82 “Solar photovoltaic energy systems“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 62805-2:2017

19、. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2018-06-21 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2020-09-

20、21 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 62805-2:2017 was approved by CEN

21、ELEC as a European Standard without any modification. BS EN 62805-2:2017EN 62805-2:2017 2 European foreword The text of document 82/1298/FDIS, future edition 1 of IEC 62805-2, prepared by IEC/TC 82 “Solar photovoltaic energy systems“ was submitted to the IEC-CENELEC parallel vote and approved by CEN

22、ELEC as EN 62805-2:2017. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2018-06-21 latest date by which the national standards conflicting with the document have to be w

23、ithdrawn (dow) 2020-09-21 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 62805-2:2

24、017 was approved by CENELEC as a European Standard without any modification. EN 62805-2:2017 3 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents are referred to in the text in such a way that some or all of

25、their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications,

26、 indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60904-3 2016 Photovoltaic devices - Part 3: Measurement principles for terrest

27、rial photovoltaic (PV) solar devices with reference spectral irradiance data EN 60904-3 2016 IEC 62788-1-4 - Measurement procedures for materials used in photovoltaic modules - Part 1-4: Encapsulants - Measurement of optical transmittance and calculation of the solar-weighted photon transmittance, y

28、ellowness index, and UV cut-off frequency EN 62788-1-4 - IEC 62805-1 2017 Method for measuring photovoltaic (PV) glass - Part 1: Measurement of total haze and spectral distribution of haze EN 62805-1 2017 ISO 9050 - Glass in building_- Determination of light transmittance, solar direct transmittance

29、, total solar energy transmittance, ultraviolet transmittance and related glazing factors - - BS EN 62805-2:2017This page deliberately left blank 2 IEC 62805-2:2017 IEC 2017 CONTENTS FOREWORD . 3 INTRODUCTION . 5 1 Scope 6 2 Normative references 6 3 Terms and definitions 6 4 Apparatus 7 4.1 General

30、. 7 4.2 Performance of test instrument . 7 5 Test specimens and reference standards . 7 5.1 Test specimens . 7 5.2 Reference standard 7 6 Conditioning 7 7 Procedure 8 7.1 General . 8 7.2 Measurement of spectral hemispherical transmittance 8 7.2.1 Instrument calibration 8 7.2.2 Sample measurement 8 7

31、.3 Measurement of spectral hemispherical reflectance 8 7.3.1 Instrument calibration 8 7.3.2 Sample measurement 9 8 Calculation and expression of results 10 8.1 Effective hemispherical transmittance of photon irradiance . 10 8.2 Effective hemispherical reflectance of photon irradiance . 10 9 Test rep

32、ort . 11 Bibliography 12 Figure 1 Schematic of the integrating sphere for reflectance measurement 9 2 IEC 62805-2:2017 IEC 2017 CONTENTS FOREWORD . 3 INTRODUCTION . 5 1 Scope 6 2 Normative references 6 3 Terms and definitions 6 4 Apparatus 7 4.1 General . 7 4.2 Performance of test instrument . 7 5 T

33、est specimens and reference standards . 7 5.1 Test specimens . 7 5.2 Reference standard 7 6 Conditioning 7 7 Procedure 8 7.1 General . 8 7.2 Measurement of spectral hemispherical transmittance 8 7.2.1 Instrument calibration 8 7.2.2 Sample measurement 8 7.3 Measurement of spectral hemispherical refle

34、ctance 8 7.3.1 Instrument calibration 8 7.3.2 Sample measurement 9 8 Calculation and expression of results 10 8.1 Effective hemispherical transmittance of photon irradiance . 10 8.2 Effective hemispherical reflectance of photon irradiance . 10 9 Test report . 11 Bibliography 12 Figure 1 Schematic of

35、 the integrating sphere for reflectance measurement 9 BS EN 62805-2:2017IEC 62805-2:2017 IEC 2017 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ METHOD FOR MEASURING PHOTOVOLTAIC (PV) GLASS Part 2: Measurement of transmittance and reflectance FOREWORD 1) The International Electrotechnical Commission

36、(IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addi

37、tion to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interes

38、ted in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with

39、 conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IE

40、C National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for

41、the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between a

42、ny IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conform

43、ity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members

44、 of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or a

45、ny other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may

46、be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 62805-2 has been prepared by IEC technical committee 82: Solar photovoltaic energy systems. The text of this standard is based on the following documents: FDIS

47、 Report on voting 82/1298/FDIS 82/1322/RVD Full information on the voting for the approval of this International Standard can be found in the report on voting indicated in the above table. This document has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts in the IE

48、C 62805, published under the general title Method for measuring photovoltaic (PV) glass, can be found on the IEC website. BS EN 62805-2:2017IEC 62805-2:2017 IEC 2017 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ METHOD FOR MEASURING PHOTOVOLTAIC (PV) GLASS Part 2: Measurement of transmittance and re

49、flectance FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifi