prEN IEC 62933-5-2:2024

SLOVENSKI STANDARD
oSIST prEN IEC 62933-5-2:2024
01-maj-2024
Električne naprave za shranjevanje energije (EES) - 5-2. del: Varnostne zahteve za
sisteme EES, integrirane v omrežje - Elektrokemični sistemi
Electrical energy storage (EES) systems - Part 5-2: Safety requirements for grid-
integrated EES systems - Electrochemical-based systems
Elektrische Energiespeichersysteme (EES-Systeme) - Teil 5-2:
Sicherheitsanforderungen an netzintegrierte EES-Systeme - Elektrochemische Systeme
Systèmes de stockage de l'énergie électrique (EES) - Partie 5-2: Exigences de sécurité
pour les systèmes EES intégrés dans un réseau - Systèmes électrochimiques
Ta slovenski standard je istoveten z: prEN IEC 62933-5-2:2024
ICS:
27.010 Prenos energije in toplote na Energy and heat transfer
splošno engineering in general
oSIST prEN IEC 62933-5-2:2024 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN IEC 62933-5-2:2024

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oSIST prEN IEC 62933-5-2:2024
120/353/CDV

COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 62933-5-2 ED2
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2024-03-15 2024-06-07
SUPERSEDES DOCUMENTS:
120/326/CD, 120/348/CC

IEC TC 120 : ELECTRICAL ENERGY STORAGE (EES) SYSTEMS
SECRETARIAT: SECRETARY:
Japan Mr Masatake SAKUMA
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

TC 8,TC 21,SC 21A,TC 22,SC 22E,TC 57,TC
64,TC 69,TC 82,TC 88,TC 105,CISPR
Other TC/SCs are requested to indicate their interest, if
any, in this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft
for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.

This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of
which they are aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some
Countries” clauses to be included should this proposal proceed. Recipients are reminded that the CDV stage is
the final stage for submitting ISC clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).

TITLE:
Electrical energy storage (EES) systems - Part 5-2: Safety requirements for grid-integrated EES
systems - Electrochemical-based systems

PROPOSED STABILITY DATE: 2029

NOTE FROM TC/SC OFFICERS:
This CDV reflects the observations made in 120/348/CC.

Copyright © 2024 International Electrotechnical Commission, IEC. All rights reserved. It is permitted to
download this electronic file, to make a copy and to print out the content for the sole purpose of preparing National
Committee positions. You may not copy or "mirror" the file or printed version of the document, or any part of it,
for any other purpose without permission in writing from IEC.

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oSIST prEN IEC 62933-5-2:2024
IEC CDV 62933-5-2 © IEC 2024 2 120/353/CDV
1 CONTENTS
2
3 FOREWORD . 6
4 INTRODUCTION . 8
5 Scope . 9
6 Normative references. 9
7 Terms and definitions . 10
8 Basic guidelines for safety of BESS . 11
9 4.1 General . 11
10 4.2 Approach to BESS safety . 13
11 4.3 BESS changes in ownership, control or use . 15
12 Hazard considerations . 15
13 BESS system risk assessment . 16
14 6.1 BESS structure .
...