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SLOVENSKI STANDARD
01-julij-2018
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Electrical Energy Storage (EES) systems - Part 1: Terminology (IEC 62933-1:2018)
Ta slovenski standard je istoveten z: EN IEC 62933-1:2018
ICS:
01.040.27 Prenos energije in toplote Energy and heat transfer
(Slovarji) engineering (Vocabularies)
27.010 Prenos energije in toplote na Energy and heat transfer
splošno engineering in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 62933-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2018
ICS 01.040.17
English Version
Electrical Energy Storage (EES) systems - Part 1: Vocabulary
(IEC 62933-1:2018)
Systèmes de stockage de l'énergie électrique (EES) - Partie Elektrische Energiespeichersysteme (EES-Systeme) - Teil
1: Vocabulaire 1: Terminologie
(IEC 62933-1:2018) (IEC 62933-1:2018)
This European Standard was approved by CENELEC on 2018-04-03. 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, 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 Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62933-1:2018 E
European foreword
The text of document 120/116/FDIS, future edition 1 of IEC 62933-1, prepared by IEC/TC 120
"Electrical Energy Storage (EES) Systems" was submitted to the IEC-CENELEC parallel vote and
approved by CENELEC as EN IEC 62933-1:2018.
The following dates are fixed:
(dop) 2019-01-03
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2021-04-03
standards conflicting with the
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 62933-1:2018 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:
IEC 60027 (series) NOTE Harmonized as EN 60027 (series).
IEC 60964:2009 NOTE Harmonized as EN 60964:2010 (not modified).
IEC 61165:2006 NOTE Harmonized as EN 61165:2006 (not modified).
IEC 61427-2:2015 NOTE Harmonized as EN 61427-2:2015 (not modified).
IEC 61987-1:2006 NOTE Harmonized as EN 61987-1:2006 (not modified).
IEC 62040-1:2017 NOTE Harmonized as EN IEC 62040-1 .
IEC 62477-1:2012 NOTE Harmonized as EN 62477-1:2012 (not modified).
ISO 19353:2015 NOTE Harmonized as EN ISO 19353:2016 (not modified).
To be published. Stage at the time of publication: FprEN 62040-1:2017.
IEC 62933-1
Edition 1.0 2018-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Electrical energy storage (EES) systems –
Part 1: Vocabulary
Systèmes de stockage de l’énergie électrique (EES) –
Partie 1: Vocabulaire
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 01.040.17 ISBN 978-2-8322-5403-5
– 2 – IEC 62933-1:2018 IEC 2018
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions for EES systems classification . 6
4 Terms and definitions for EES systems specification . 9
5 Terms and definitions for EES systems planning and installation . 22
6 Terms and definitions for EES systems operation . 24
7 Terms and definitions for EES systems safety and environmental issues . 27
Annex A (informative) Index . 30
A.1 Terms index . 30
A.2 Abbreviated terms index . 32
Bibliography . 33
Figure 1 – Illustrative example of EES system charging/discharging cycle . 10
Figure 2 – Illustrative example of EES system power capability chart . 12
Figure 3 – Illustrative example of EES system response performances . 20
Figure 4 – EES system architecture with one POC type . 22
Figure 5 – EES system architecture with two POC types . 23
Table 1 – Illustrative example of EES system efficiency chart . 18
IEC 62933-1:2018 © IEC 2018 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTRICAL ENERGY STORAGE (EES) SYSTEMS –
Part 1: Vocabulary
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 Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
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 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 IEC 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 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 any 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 conformity. 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 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 any 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 be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 62933-1 has been prepared by IEC technical committee 120:
Electrical Energy Storage (EES) Systems.
The text of this standard is based on the following documents:
FDIS Report on voting
120/116/FDIS 120/119/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts in the IEC 62933 series, published under the general title Electrical energy
storage (EES) systems, can be found on the IEC website.
– 4 – IEC 62933-1:2018 IEC 2018
The committee has decided that the contents of this publication will remain unchanged until
the stability date indicated on the IEC web site 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.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.
IEC 62933-1:2018 © IEC 2018 – 5 –
INTRODUCTION
The purpose of this terminology document is to provide terms and definitions for all the
publications under the responsibility of TC 120, that standardize electrical energy storage
systems (EES systems) including unit parameters, test methods, planning, installation, safety
and environmental issues. An EES system includes any type of grid-connected energy
storage which can both store electrical energy and provide electrical energy (from electricity
to electricity).
All TC 120 normative documents are subject to revision, this part of IEC 62933 will be revised
together with other TC 120 publications in order to avoid mismatches.
From the technical point of view, an EES system can be a complex multi stage system with
several possible energy conversions. Each stage is made by components well standardized
(e.g. transformers, power converter systems) or innovative components (e.g. new types of
batteries). Several IEC product standards give definitions necessary for the understanding of
certain terms used for these components. The International Electrotechnical Vocabulary (IEV,
IEC 60050, http://www.electropedia.org), the IEC Glossary (http://std.iec.ch/glossary) and the
ISO Online Browsing Platform (OBP, http://www.iso.org/obp) allow on-line access to this
information. This terminology document completes the scenario by giving definitions
necessary at the system level.
Without a strong standardization of EES systems terminology, focal terms can have a different
meaning in EES systems related to different storage technologies. This aspect is critical also
from the market point of view, it impacts economics and this can become a barrier for tender
processes. The correct comparison among different options is fundamental, therefore basic
terms and definitions impact economic decisions.
Terms and definitions have been harmonized with the IEV, the OBP, the IEC Glossary and
other IEC documents as far as possible. Definitions not included in this terminology document
may be found elsewhere in other IEC documents.
The use of abbreviated terms has been optimized, on the one hand to avoid tedious repetition
and, on the other hand to avoid confusion. A minimu
...