SIST EN 62788-1-4:2017/A1:2021

SLOVENSKI STANDARD
SIST EN 62788-1-4:2017/A1:2021
01-januar-2021
Merilni postopki za materiale, uporabljene v fotonapetostnih modulih - 1-4. del:
Enkapsulanti - Meritev optične prosojnosti in izračun solarno utežene prosojnosti,
indeks porumenelosti in ultravijolične mejne frekvence - Dopolnilo A1
Measurement procedures for materials used in photovoltaic modules - Part 1-4:
Encapsulants - Measurement of optical transmittance and calculation of the solar-
weighted photon transmittance, yellowness index, and UV cut-off wavelength
Messverfahren für Werkstoffe, die in Photovoltaikmodulen verwendet werden - Teil 1-4:
Verkapselungsstoffe - Messung der optischen Transmission und Berechnung der
solargewichteten Photonentransmission, des Vergilbungsindex und der UV-
Grenzfrequenz
Amendement 1 - Procédures de mesure des matériaux utilisés dans les modules
photovoltaïques - Partie 1-4: Encapsulants - Mesurage du facteur de transmission
optique et calcul du facteur de transmission photonique à pondération solaire, de l'indice
de jaunissement et de la fréquence de coupure des UV
Ta slovenski standard je istoveten z: EN 62788-1-4:2016/A1:2020
ICS:
17.180.99 Drugi standardi v zvezi z Other standards related to
optiko in optičnimi merjenji optics and optical
measurements
27.160 Sončna energija Solar energy engineering
SIST EN 62788-1-4:2017/A1:2021 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 62788-1-4:2017/A1:2021

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SIST EN 62788-1-4:2017/A1:2021


EUROPEAN STANDARD EN 62788-1-4:2016/A1

NORME EUROPÉENNE

EUROPÄISCHE NORM
November 2020
ICS 27.160

English Version
Measurement procedures for materials used in photovoltaic
modules - Part 1-4: Encapsulants - Measurement of optical
transmittance and calculation of the solar-weighted photon
transmittance, yellowness index, and UV cut-off wavelength
(IEC 62788-1-4:2016/A1:2020)
Procédures de mesure des matériaux utilisés dans les Messverfahren für Werkstoffe, die in Photovoltaikmodulen
modules photovoltaïques - Partie 1-4: Encapsulants - verwendet werden - Teil 1-4: Verkapselungsstoffe -
Mesurage du facteur de transmission optique et calcul du Messung der optischen Transmission und Berechnung der
facteur de transmission photonique à pondération solaire, solargewichteten Photonentransmission, des
de l'indice de jaunissement et de la fréquence de coupure Vergilbungsindex und der UV-Grenzfrequenz
des UV (IEC 62788-1-4:2016/A1:2020)
(IEC 62788-1-4:2016/A1:2020)
This amendment A1 modifies the European Standard EN 62788-1-4:2016; it was approved by CENELEC on 2020-11-19. CENELEC
members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment 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 amendment 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
© 2020 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN 62788-1-4:2016/A1:2020 E

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SIST EN 62788-1-4:2017/A1:2021
EN 62788-1-4:2016/A1:2020 (E)
European foreword
The text of document 82/1767/FDIS, future IEC 62788-1-4/A1, prepared by IEC/TC 82 "Solar
photovoltaic energy systems" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN 62788-1-4:2016/A1:2020.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2021-08-19
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2023-11-19
document have to be withdrawn
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 62788-1-4:2016/A1:2020 was approved by CENELEC as a
European Standard without any modification.

2

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SIST EN 62788-1-4:2017/A1:2021
IEC 62788-1-4
®

Edition 1.0 2020-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
A MENDMENT 1
AM ENDEMENT 1

Measurement procedures for materials used in photovoltaic modules –
Part 1-4: Encapsulants – Measurement of optical transmittance and calculation
of the solar-weighted photon transmittance, yellowness index, and UV cut-off
wavelength
Procédures de mesure des matériaux utilisés dans les modules
photovoltaïques –
Partie 1-4: Encapsulants – Mesurage du facteur de transmission optique
et calcul du facteur de transmission photonique à pondération solaire,
de l'indice de jaunissement et de la fréquence de coupure des UV
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 27.160 ISBN 978-2-8322-8874-0
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 agréé.
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

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SIST EN 62788-1-4:2017/A1:2021
– 2 – IEC 62788-1-4:2016/AMD1:2020
© IEC 2020
FOREWORD
This amendment has been prepared by IEC technical committee 82: Solar photovoltaic energy
systems.
The text of this amendment is based on the following documents:
FDIS Report on voting
82/1767/FDIS 82/1791/RVD

Full information on the voting for the approval of this amendment can be found in the report on
voting indicated in the above table.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the stability date indicated on the IEC website under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

_____________

1 Scope
In the second sentence of the second paragraph, replace:
around the edges
by:
at the periphery

4 Principle
In the last sentence, replace:
concentration
by:
optical concentration

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SIST EN 62788-1-4:2017/A1:2021
IEC 62788-1-4:2016/AMD1:2020 – 3 –
© IEC 2020
6.1 Nominal (and unweathered) transmittance to the cell
In the fifth paragraph, replace:
The nominal thickness of the enca
...