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SLOVENSKI STANDARD
01-julij-2022
Nadomešča:
SIST EN ISO 9488:2000
Sončna energija - Slovar (ISO 9488:2022)
Solar energy - Vocabulary (ISO 9488:2022)
Sonnenenergie - Vokabular (ISO 9488:2022)
Énergie solaire - Vocabulaire (ISO 9488:2022)
Ta slovenski standard je istoveten z: EN ISO 9488:2022
ICS:
01.040.27 Prenos energije in toplote Energy and heat transfer
(Slovarji) engineering (Vocabularies)
27.160 Sončna energija Solar energy engineering
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN ISO 9488
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2022
EUROPÄISCHE NORM
ICS 01.040.27; 27.160 Supersedes EN ISO 9488:1999
English Version
Solar energy - Vocabulary (ISO 9488:2022)
?nergie solaire - Vocabulaire (ISO 9488:2022) Sonnenenergie - Vokabular (ISO 9488:2022)
This European Standard was approved by CEN on 31 January 2022.
CEN 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 CEN
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 CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 9488:2022 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
European foreword
This document (EN ISO 9488:2022) has been prepared by Technical Committee ISO/TC 180 "Solar
energy" in collaboration with Technical Committee CEN/TC 312 “Thermal solar systems and
components” the secretariat of which is held by NQIS/ELOT.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by October 2022, and conflicting national standards shall
be withdrawn at the latest by October 2022.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 9488:1999.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 9488:2022 has been approved by CEN as EN ISO 9488:2022 without any modification.
INTERNATIONAL ISO
STANDARD 9488
Second edition
2022-03
Solar energy — Vocabulary
Sonnenenergie — Vokabular
Énergie solaire — Vocabulaire
Reference number
ISO 9488:2022(E)
ISO 9488:2022(E)
© ISO 2022
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
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CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: [email protected]
Website: www.iso.org
Published in Switzerland
ii
ISO 9488:2022(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
3.1 Terms for solar geometry. 1
3.2 Radiation terms and quantities . 4
3.3 Radiation measurement . 10
3.4 Radiation properties and processes . 11
3.5 Indoor and outdoor climates . 13
3.6 Collector types . 13
3.7 Collector components and related quantities . 15
3.8 Types of solar heating systems . 22
3.9 System components and related quantities (other than collectors) . . 24
3.10 Non-solar-specific terms .25
Bibliography .28
Index .29
iii
ISO 9488:2022(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to
the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see
www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 180, Solar energy, in collaboration with
the European Committee for Standardization (CEN) Technical Committee CEN/TC 312, Thermal solar
systems and components, in accordance with the Agreement on technical cooperation between ISO and
CEN (Vienna Agreement).
This second edition cancels and replaces the first edition (ISO 9488:1999), which has been technically
revised.
The main changes compared to the previous edition are as follows:
— update of definitions;
— addition of several new terms, according to the development of new standards for solar thermal
technology in the past two decades.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
iv
INTERNATIONAL STANDARD ISO 9488:2022(E)
Solar energy — Vocabulary
1 Scope
This document defines basic terms relating to the work of ISO/TC 180. The committee covers
standardization in the field of the measurement of solar radiation and solar energy utilization in
space and water heating, cooling, industrial process heating and air conditioning. Consequently,
the vocabulary within this document is focussed on definitions relating to those measurement and
utilisation technologies.
Since the 1999 version of this document there has been considerable development in solar photovoltaic
technologies and high temperature solar thermal technologies that use heat to produce electricity or to
provide high temperatures for processes that require elevated temperatures. This standard has some
definitions that are useful also for those technologies; however, there are other documents that cover
vocabulary for these technologies in more detail.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
3.1 Terms for solar geometry
3.1.1
aphelion
point in the Earth's orbit at which it is furthest from the Sun
Note 1 to entry: At the aphelion, the Earth is approximately 152 × 10 km from the Sun.
3.1.2
perihelion
point in the Earth's orbit at which it is closest to the Sun
Note 1 to entry: At the perihelion, the Earth is approximately 147 × 10 km from the Sun.
3.1.3
solar declination
δ
angle subtended between the Earth-sun line and the plane of the equator (north positive)
Note 1 to entry: The solar declination is zero on equinox dates, varying between +23,45° (June 22) and -23,45°
(December 22).
ISO 9488:2022(E)
3.1.4
solar azimuth angle
solar azimuth
γ
S
angular displacement from the chosen reference direction of the projection of a straight line from the
apparent position of the sun to the point of observation, onto the horizontal plane
Note 1 to entry: To avoid errors, the same definition (reference direction and measuring direction) must be used
for both solar azimuth and inclined surface azimuth.
Note 2 to entry: The reference direction can be either North or South and the azimuth angular displacement from
the reference direction can range from 0° to 360° or -180° to +180°.
Note 3 to entry: The geographic azimuth is measured clockwise from due north 0° to 360°.
Note 4 to entry: The two most common definitions in use for solar energy applications are:
o
1) Solar azimuth is 0° for a northern hemisphere location (north of the tropics at latitude angles > +23,45 )
at solar noon (3.1.9). Angular displacements east are negative and west are positive, i.e. -180° ≤ γ ≤ +180°.
S
This definition results in a simple set of equations; however, it leads to cou
...