EN IEC 60904-7:2019

Photovoltaic devices - Part 7: Computation of the spectral mismatch correction for measurements of photovoltaic devices

IEC 60904-7:2019 is available as IEC 60904-7:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60904-7:2019 describes the procedure for correcting the spectral mismatch error introduced in the testing of a photovoltaic device, caused by the mismatch between the test spectrum and the reference spectrum (e.g. AM1.5 spectrum) and by the mismatch between the spectral responsivities (SR) of the reference device and of the device under test and therewith reduce the systematic uncertainty. This procedure is valid for single-junction devices but the principle may be extended to cover multi-junction devices. The purpose of this document is to give guidelines for the correction of the spectral mismatch error, should there be a spectral mismatch between the test spectrum and the reference spectrum as well as between the reference device SR and the device under test SR. The calculated spectral mismatch correction is only valid for the specific combination of test and reference devices measured with a particular test spectrum. This fourth edition cancels and replaces the third edition published in 2008. The main technical changes with respect to the previous edition are as follows: - For better compatibility and less redundancy, the clause “Determination of test spectrum” refers to IEC 60904-9. - The spectral mismatch factor is called SMM instead of MM to enable differentiation to the angular mismatch factor AMM and spectral angular mismatch factor SAMM. - Formulae for the derivation and application of the spectral mismatch factor SMM are added. - Links to new standards are given, e.g. concerning multi-junction devices. - Corrected wording (responsivity instead of response and irradiance instead of intensity).

Photovoltaische Einrichtungen - Teil 7: Berechnung der spektralen Fehlanpassungskorrektur für Messungen an photovoltaischen Einrichtungen

Dispositifs photovoltaïques - Partie 7: Calcul de la correction de désadaptation des réponses spectrales dans les mesures de dispositifs photovoltaïques

IEC 60904-7:2019 est disponible sous forme de IEC 60904-7:2019 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.L'IEC 60904-7:2019 décrit la procédure pour corriger l'erreur de mesure spectrale introduite dans l'essai d'un dispositif photovoltaïque, due d'une part à la désadaptation du spectre pour l'essai et du spectre de référence (par exemple, spectre AM1.5), et d'autre part à la désadaptation entre les sensibilités spectrales (SS) du dispositif de référence et du dispositif soumis à essai, et ainsi réduire l'incertitude systématique. Cette procédure est valable pour les dispositifs à jonction unique, mais le principe peut être étendu aux dispositifs multijonctions. Le but du présent document est de donner des lignes directrices pour la correction de l'erreur de mesure spectrale se traduisant par une désadaptation à la fois du spectre pour l'essai et du spectre de référence, ainsi que des sensibilités spectrales (SS) du dispositif de référence et celles du dispositif soumis à essai. La correction calculée de désadaptation des réponses spectrales n'est valable que pour la combinaison spécifique des dispositifs d'essai et de référence mesurés à l'aide d'un spectre d'essai particulier. La Norme internationale IEC 60904-7 a été établie par le comité d'études 82 de l'IEC: Systèmes de conversion photovoltaïque de l'énergie solaire. Les modifications techniques principales par rapport à l'édition précédente sont les suivantes: - pour davantage de compatibilité et moins de redondance, l'article "Détermination du spectre pour l'essai" fait référence à l'IEC 60904-9; - le facteur de désadaptation des réponses spectrales est appelé SMM plutôt que MM afin de permettre la différenciation avec le facteur de désadaptation angulaire AMM et le facteur de désadaptation angulaire spectral SAMM; - les formules correspondant à la dérivée et à l'application du facteur de désadaptation spectral SMM sont ajoutées; - des références à de nouvelles normes sont données, par exemple concernant les dispositifs multijonctions; - des formulations ont été corrigées ("sensibilité" remplace "réponse" et "éclairement" remplace "intensité").

Fotonapetostne naprave - 7. del: Izračunavanje napake zaradi spektralnega neujemanja pri preskušanju fotonapetostnih naprav

Ta evropski standard opisuje postopke za odpravljanje napake zaradi spektralnega neujemanja pri preskušanju fotonapetostne naprave, ki jo povzroči neujemanje preskusnega in referenčnega spektra (npr. spektra AM1.5) ter neujemanje spektralne odzivnosti (SR) referenčne naprave in naprave, ki se preskuša, s čimer se zmanjša sistematična negotovost. Ta postopek velja za naprave z enim spojem, vendar se načelo lahko razširi tudi na naprave z več spoji. Namen tega dokumenta je podati smernice za odpravljanje napake zaradi spektralnega neujemanja v primeru spektralnega neujemanja preskusnega in referenčnega spektra ter neujemanja spektralne odzivnosti referenčne naprave in naprave, ki se preskuša. Izračunana napaka zaradi spektralnega neujemanja velja samo za specifično kombinacijo preskusne in referenčne naprave, ki je izmerjena z določenim preskusnim spektrom. Spektralna odzivnost fotonapetostne naprave je odvisna od valovne dolžine, zato na njeno delovanje pomembno vpliva spektralna porazdelitev vpadajočega sevanja, ki se pod naravno sončno svetlobo spreminja glede na več dejavnikov (npr. glede na lokacijo, vreme, letni čas, čas v dnevu, usmerjenost sprejemne površine itd.), pri uporabi sončnega simulatorja pa glede na vrsto in pogoje. Če je sevanje izmerjeno z radiometrom s termobaterijo (ki ni spektralno selektiven) ali referenčno fotonapetostno napravo (IEC 60904-2), je treba poznati spektralno porazdelitev sevanja vhodne svetlobe, da se lahko izvedejo potrebni popravki za doseganje ustreznega delovanja fotonapetostne naprave v okviru referenčne spektralne porazdelitve sevanja, opredeljene v standardu IEC 60904-3. Če se za merjenje sevanja uporablja fotonapetostna naprava ali detektor s termobaterijo, je mogoče z upoštevanjem postopka v tem dokumentu izračunati napako zaradi spektralnega neujemanja, ki jo je treba odpraviti, da se doseže kratkostični tok naprave, ki se preskuša, v okviru referenčne spektralne porazdelitve sevanja iz standarda IEC 60904-3 oziroma katerega koli drugega referenčnega spektra. Če je relativni spektralni odziv referenčne fotonapetostne naprave enak relativnemu spektralnemu odzivu naprave, ki se preskuša, referenčna naprava samodejno upošteva odklone izmerjene spektralne porazdelitve sevanja od referenčne spektralne porazdelitve sevanja in nadaljnji popravki napak zaradi spektralnega neujemanja niso več potrebni. Lokacija in vremenske razmere v tem primeru niso odločilnega pomena, kadar se metoda z referenčno napravo uporablja za meritve delovanja pod naravno sončno svetlobo. Pri identičnih relativnih spektralnih odzivnostih spektralna klasifikacija simulatorja prav tako ni odločilnega pomena za meritve, izvedene s sončnim simulatorjem. Če je delovanje fotonapetostne naprave izmerjeno z uporabo znane spektralne porazdelitve sevanja, je mogoče njen kratkostični tok pri kateri koli drugi spektralni porazdelitvi sevanja izmeriti z uporabo spektralne odzivnosti fotonapetostne naprave, ki se preskuša.

General Information

• Status: Published
• Publication Date: 17-Oct-2019
• Withdrawal Date: 23-Sep-2022
• ICS: 27.160 - Solar energy engineering
• Technical Committee: CLC/TC 82 - Solar photovoltaic energy systems
• Drafting Committee: IEC/TC 82 - IEC_TC_82
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 18-Oct-2019
• Completion Date: 18-Oct-2019
• Ref Project: SIST EN IEC 60904-7:2019 - Photovoltaic devices - Part 7: Computation of the spectral mismatch correction for measurements of photovoltaic devices

Relations

• Replaces: EN 60904-7:2009 - Photovoltaic devices - Part 7: Computation of the spectral mismatch correction for measurements of photovoltaic devices
• Effective Date: 03-Oct-2017

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN IEC 60904-7:2019
01-december-2019
Nadomešča:
SIST EN 60904-7:2009
Fotonapetostne naprave - 7. del: Izračunavanje napake zaradi spektralnega
neujemanja pri preskušanju fotonapetostnih naprav
Photovoltaic devices - Part 7: Computation of the spectral mismatch correction for
measurements of photovoltaic devices
Photovoltaische Einrichtungen - Teil 7: Berechnung der spektralen
Fehlanpassungskorrektur für Messungen an photovoltaischen Einrichtungen
Dispositifs photovoltaïques - Partie 7: Calcul de la correction de désadaptation des
réponses spectrales dans les mesures de dispositifs photovoltaïques
Ta slovenski standard je istoveten z: EN IEC 60904-7:2019
ICS:
27.160 Sončna energija Solar energy engineering
SIST EN IEC 60904-7:2019 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN IEC 60904-7:2019

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SIST EN IEC 60904-7:2019


EUROPEAN STANDARD EN IEC 60904-7

NORME EUROPÉENNE

EUROPÄISCHE NORM
October 2019
ICS 27.160 Supersedes EN 60904-7:2009 and all of its amendments
and corrigenda (if any)
English Version
Photovoltaic devices - Part 7: Computation of the spectral
mismatch correction for measurements of photovoltaic devices
(IEC 60904-7:2019)
Dispositifs photovoltaïques - Partie 7: Calcul de la Photovoltaische Einrichtungen - Teil 7: Berechnung der
correction de désadaptation des réponses spectrales dans spektralen Fehlanpassungskorrektur für Messungen an
les mesures de dispositifs photovoltaïques photovoltaischen Einrichtungen
(IEC 60904-7:2019) (IEC 60904-7:2019)
This European Standard was approved by CENELEC on 2019-09-24. 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 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 versions (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 committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.


European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN IEC 60904-7:2019 E

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SIST EN IEC 60904-7:2019
EN IEC 60904-7:2019 (E)
European foreword
The text of document 82/1590/FDIS, future edition 4 of IEC 60904-7, prepared by IEC/TC 82 "Solar
photovoltaic energy systems" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN IEC 60904-7:2019.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2020-06-24
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2022-09-24
document have to be withdrawn

This document supersedes EN 60904-7:2009 and all of its amendments and corrigenda (if any).
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 60904-7:2019 was approved by CENELEC as a European
Standard without any modification.


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SIST EN IEC 60904-7:2019
EN IEC 60904-7:2019 (E)
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 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  Where an International Publication has
...