prEN IEC 63341-3:2024

SLOVENSKI STANDARD
01-maj-2024
Železniške naprave - Sistemi gorivnih celic za vozna sredstva - 3. del: Metode za
preskušanje zmogljivosti elektroenergetskih sistemov z gorivnimi celicami
Railway applications - Fuel cell systems for rolling stock - Part 3: Performance test
methods for fuel cell power systems
Systèmes à pile à combustible pour matériel roulant - Partie 3: Méthodes d’essai des
performances pour système à pile à combustible
Ta slovenski standard je istoveten z: prEN IEC 63341-3:2024
ICS:
27.070 Gorilne celice Fuel cells
45.060.01 Železniška vozila na splošno Railway rolling stock in
general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

105/1031/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 63341-3 ED1
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2024-03-08 2024-05-31
SUPERSEDES DOCUMENTS:
105/963/CD, 105/1007A/CC
IEC TC 105 : FUEL CELL TECHNOLOGIES
SECRETARIAT: SECRETARY:
Germany Mr David Urmann
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

TC 9
Other TC/SCs are requested to indicate their interest, if any, in
this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
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CENELEC, is drawn to the fact that this Committee Draft for Vote
(CDV) is submitted for parallel voting.
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(SEE AC/22/2007 OR NEW GUIDANCE DOC).

TITLE:
Railway applications – Hydrogen and fuel cell systems for rolling stock – Part 3: Performance test methods
for fuel cell power system
PROPOSED STABILITY DATE: 2028
NOTE FROM TC/SC OFFICERS:
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.

105/1031/CD – 2 – IEC CDV 63341-3 © IEC 2024
CONTENTS
FOREWORD . 5
INTRODUCTION . 8
1 Scope . 9
2 Normative references . 9
3 Terms, definitions and abbreviated term . 10
3.1 Terms and definition . 10
3.2 Abbreviated term . 16
4 Symbols . 16
5 Test preparation . 20
5.1 General . 20
5.2 Test station setup . 20
5.3 Instruments and measurement methods . 21
5.3.1 General . 21
5.3.2 Measurement instruments . 22
5.3.3 Measurement points . 22
5.3.4 Minimum required measurement systematic uncertainty . 23
5.4 Test conditions . 23
5.4.1 Laboratory conditions . 23
5.4.2 Installation and operating conditions of the system . 24
5.4.3 Quality of hydrogen . 24
5.4.4 Quality of power input . 24
6 Test method . 24
6.1 General . 24
6.2 Operating Tests for Stabilized Operation . 24
6.2.1 General . 24
6.2.2 Test method. 24
6.2.3 Processing of Results . 26
6.3 Operating Test for Dynamic Operation . 29
6.3.1 Start-up and go operational test . 29
6.3.2 power ramp up Test . 32
6.3.3 Power ramp down, go standby and shutdown test . 34
6.4 Polarization Curve test . 38
6.4.1 General . 38
6.4.2 Test Method. 38
6.4.3 Processing of Results . 38
6.5 Load Profile Test . 38
6.5.1 General . 38
6.5.2 Test Method. 39
6.6 Environmental Tests . 39
6.6.1 General . 39
6.6.2 Altitude Test . 40
6.6.3 Power Generation Test at Low and High Temperatures . 40
6.6.4 Power Generation Test under Low and High Humidity Conditions . 42
6.7 Acoustic Noise Emissions . 43
6.8 EMC . 43

IEC CDV 63341-3 © IEC 2024 – 3 – 105/1031/CDV
7 Test reports . 43
7.1 General . 43
7.2 Title page . 43
7.3 Table of contents . 44
7.4 Summary report . 44
Annex A . 45
A.1 General . 45
A.2 FCPS without power converter . 45
A.2.1 electrical system configuration 1. 45
A.2.2 electrical system configuration 2. 45
A.2.3 electrical system configuration 3. 46
A.2.4 electrical system configuration 4. 46
A.3 FCPS with power converter . 47
A.3.1 electrical system configuration 1. 47
A.3.2 electrical system configuration 2. 48
Annex B . 49
B.1General . 49
B.2Converting way . 49
Annex C . 50
C.1General . 50
C.2General methodology . 50
C.3FCPS sizing documentation . 50
C.4Operational verification . 51
C.5Test report . 51
Annex D . 52
D.1General . 52
D.2General methodology . 52
D.3Test Method . 55
D.4Test report . 56
Annex E . 57
E.1General . 57
E.2Detailed report . 57
E.3Full report . 57
Bibliography . 58

Figure 1 - Hierarchy of standards related to IEC 63341 . 7
Figure 2 - Example of electric power distribution of FCPS . 11
Figure 3 - The typical flow chart of a fuel cell power system . 13
Figure 4 – Example of a test station setup for FCPS . 21
Figure 5 – Examples of a start-up and go operational test . 30
Figure 6 – Examples of a power ramp up test . 33
Figure 7 – Examples of a power ramp down, go standby and shutdown test . 35
Figure 8 – Example of a load profile cycle . 39
Figure A.1 – electrical system configuration 1 of FCPS without power converter . 45
Figure A.2 – electrical system configuration 2 of FCPS without power converter . 46

105/1031/CD – 4 – IEC CDV 63341-3 © IEC 2024
Figure A.3 – electrical system configuration 3 of FCPS without power converter . 46
Figure A.4 – electrical system configuration 4 of FCPS without power converter . 47
Figure A.5 – electrical system configuration 1 of FCPS with power
...