oSIST prEN IEC 63341-2:2024

SLOVENSKI STANDARD
oSIST prEN IEC 63341-2:2024
01-maj-2024
Železniške naprave - Vozna sredstva - Sistemi gorivnih celic za vozna sredstva - 2.
del: Sistem za shranjevanje vodika
Railway applications - Rolling stock - Fuel cell systems for propulsion - Part 2: Hydrogen
storage system
Ta slovenski standard je istoveten z: prEN IEC 63341-2:2024
ICS:
27.070 Gorilne celice Fuel cells
45.060.01 Železniška vozila na splošno Railway rolling stock in
general
oSIST prEN IEC 63341-2:2024 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN IEC 63341-2:2024

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oSIST prEN IEC 63341-2:2024
9/3050/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 63341-2 ED1
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2024-03-08 2024-05-31
SUPERSEDES DOCUMENTS:
9/2923/CD, 9/2963A/CC
IEC TC 9 : ELECTRICAL EQUIPMENT AND SYSTEMS FOR RAILWAYS
SECRETARIAT: SECRETARY:
France Mr Denis MIGLIANICO
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:
TC 105
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:
Railway applications – Hydrogen and fuel cell systems for rolling stock – Part 2: Hydrogen fuel system
PROPOSED STABILITY DATE: 2028
NOTE FROM TC/SC OFFICERS:
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 63341-2:2024
9/3050/CDV – 2 – IEC CDV 63341-2 © IEC 2024
CONTENTS

FOREWORD . 7
INTRODUCTION . 9
1 Scope . 11
2 Normative references . 11
3 Terms, definitions and abbreviated terms . 14
3.1 Terms and definitions . 14
3.2 Abbreviations . 21
4 Hydrogen fuel system description . 23
4.1 Overview. 23
4.2 Compressed hydrogen storage system module (CHSS module) . 24
4.3 Hydrogen handling system (HHS) . 24
4.4 On-board refuelling interface . 25
4.5 Fuel, purge and vent lines . 25
4.6 Monitoring and Control System (MCS) . 25
4.7 Safety monitoring devices (optional) . 26
5 Environmental requirements . 26
5.1 General .
...