1、 IEC 60904-8-1 Edition 1.0 2017-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Photovoltaic devices Part 8-1: Measurement of spectral responsivity of multi-junction photovoltaic (PV) devices Dispositifs photovoltaques Partie 8-1: Mesurage de la sensibilit spectrale des dispositifs photovoltaques (PV
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19、c.ch/csc Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 60904-8-1 Edition 1.0 2017-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Photovoltaic devices Part 8-1: Measurement of spectral responsivity of multi-junction phot
20、ovoltaic (PV) devices Dispositifs photovoltaques Partie 8-1: Mesurage de la sensibilit spectrale des dispositifs photovoltaques (PV) multijonctions INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 27.160 ISBN 978-2-8322-4339-8 Registered trademark of the Inter
21、national Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 IEC 60904-8-1:20
22、17 IEC 2017 CONTENTS FOREWORD . 3 1 Scope 5 2 Normative references 5 3 Terms and definitions 5 4 General considerations 6 5 Bias light . 6 6 Bias voltage . 6 7 Apparatus 7 General . 7 7.1Apparatus for measurement of SR using continuous light source 7 7.2Apparatus for measurement of SR using pulsed l
23、ight source . 8 7.3Apparatus for measurement of series-connected modules . 8 7.4 8 Measurement of SR . 8 Measurement of SR using continuous light source 8 8.1Measurement of SR using pulsed light source . 8 8.2Measurement of series-connected modules 8 8.3 9 Correction of measured SR 8 General . 8 9.1
24、Correction for shunting 9 9.2Correction for luminescent coupling 9 9.3 9.3.1 General . 9 9.3.2 Correcting the SR of the second junction (for the coupling J 1 J 2 ) 10 9.3.3 Correcting the SR of the third junction (for the coupling J 1 J 2and J 2 J 3 ). 10 9.3.4 Correcting the SR of the fourth (or hi
25、gher) junction 11 10 Report . 11 Bibliography 13 IEC 60904-8-1:2017 IEC 2017 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ PHOTOVOLTAIC DEVICES Part 8-1: Measurement of spectral responsivity of multi-junction photovoltaic (PV) devices FOREWORD 1) The International Electrotechnical Commission (IEC) i
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36、 subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60904-8-1 has been prepared by IEC technical committee 82: Solar photovoltaic energy systems. The text of this International Standard is based on the following docum
37、ents: FDIS Report on voting 82/1255/FDIS 82/1273/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
38、 in the IEC 60904 series, published under the general title Photovoltaic devices, can be found on the IEC website. 4 IEC 60904-8-1:2017 IEC 2017 The committee has decided that the contents of this document will remain unchanged until the stability date indicated on the IEC website under “http:/webst
39、ore.iec.ch“ in the data related to the specific document. At this date, the document will be reconfirmed, withdrawn, replaced by a revised edition, or amended. IEC 60904-8-1:2017 IEC 2017 5 PHOTOVOLTAIC DEVICES Part 8-1: Measurement of spectral responsivity of multi-junction photovoltaic (PV) device
40、s 1 Scope This part of IEC 60904 gives guidance for the measurement of the spectral responsivity (SR) of multi-junction photovoltaic devices. It is principally intended for non-concentrating devices, but parts may be applicable also to concentrating multi-junction PV devices. The SR is required for
41、analysis of measured current-voltage characteristics of multi-junction PV devices as described in IEC 60904-1-1. The requirements for measurement of SR of single-junction PV devices are covered by IEC 60904-8, whereas this document describes the additional requirements for the measurement of SR of m
42、ulti-junction PV devices. This document only considers the measurement of SR of individual junction layers within a two-terminal multi-junction device. This document may be applicable to PV devices designed for use under concentrated irradiation if they are measured without the optics for concentrat
43、ion. 2 Normative references The following documents are referred to in the text in such a way that some or all of 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 (incl
44、uding any amendments) applies. IEC 60904-8, Photovoltaic devices Part 8: Measurement of spectral responsivity of a photovoltaic (PV) device IEC 60904-9, Photovoltaic devices Part 9: Solar simulator performance requirements IEC TS 61836, Solar photovoltaic energy systems Terms, definitions and symbol
45、s 3 Terms and definitions For the purposes of this document, the terms and definitions given in IEC TS 61836 and the following apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electropedia: available at http:/www.electropedia.org/ ISO On
46、line browsing platform: available at http:/www.iso.org/obp 3.1 current limiting junction junction in a multi-junction photovoltaic device in which under given illumination conditions the lowest photovoltaic current is generated 6 IEC 60904-8-1:2017 IEC 2017 4 General considerations The procedure for
47、 measurement of the Spectral Responsivity (SR) of single-junction PV devices is described in detail in IEC 60904-8. The procedure for measurement of the SR of a multi-junction PV device requires the same basic principles, but is more complex, in particular with respect to requirements for bias light
48、 and bias voltage. This document describes the additional considerations, requirements and procedures for the measurement of the SR of multi-junction PV devices based on the measurement principles of single-junction PV devices. Therefore, the provisions in IEC 60904-8 are also valid for the measurem
49、ent of multi-junction PV devices except where explicitly amended by this document. Multi-junction PV devices consist of two or more series-connected junctions, each of which responds in a different wavelength band of light. For multi-junction PV devices which provide separate connections to each junction, the measurement of individual junction SR is identical to that for single-junction devices as described in IEC 60904-8 u
