IEC PAS 62282-6-150:2011

IEC/PAS 62282-6-150 ®
Edition 1.0 2011-04
PUBLICLY AVAILABLE
SPECIFICATION
PRE-STANDARD
colour
inside
Fuel cell technologies –
Part 6-150: Micro fuel cell power systems – Safety – Water reactive (UN Division
4.3) compounds in indirect PEM fuel cells

IEC/PAS 62282-6-150:2011(E)
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IEC/PAS 62282-6-150 ®
Edition 1.0 2011-04
PUBLICLY AVAILABLE
SPECIFICATION
PRE-STANDARD
colour
inside
Fuel cell technologies –
Part 6-150: Micro fuel cell power systems – Safety – Water reactive (UN Division
4.3) compounds in indirect PEM fuel cells

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
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ICS 27.070 ISBN 978-2-88912-470-1

– 2 – PAS 62282-6-150  IEC:2011(E)
CONTENTS
FOREWORD . 5
1 Scope . 7
1.1 General . 7
1.2 Fuels and technologies covered . 7
1.3 Equivalent level of safety. 9
2 Normative references . 10
3 Terms and definitions . 11
4 Materials and construction of micro fuel cell power systems, micro fuel cell power
units and fuel cartridges . 16
4.1 General . 16
4.2 FMEA / hazard analysis . 16
4.3 General materials . 17
4.4 Selection of materials . 17
4.5 General construction . 18
4.6 Fuel valves . 18
4.7 Materials and construction – system . 18
4.8 Ignition sources . 19
4.9 Enclosures and acceptance strategies. 19
4.9.1 Parts requiring a fire enclosure . 19
4.9.2 Parts not requiring a fire enclosure . 20
4.9.3 Materials for components and other parts outside fire enclosures . 21
4.9.4 Materials for components and other parts inside fire enclosures . 22
4.9.5 Mechanical enclosures . 23
4.10 Protection against fire, explosion, corrosivity and toxicity hazard . 23
4.11 Protection against electrical hazards . 24
4.12 Fuel supply construction . 24
4.12.1 Fuel cartridge construction . 24
4.12.2 Fuel cartridge fill requirement . 25
4.13 Protection against mechanical hazards . 25
4.13.1 Piping and tubing other than fuel or hydrogen lines . 25
4.13.2 Exterior surface and component temperature limits . 26
4.13.3 Motors . 26
4.14 Construction of electric device components . 27
4.14.1 Limited power sources . 27
4.14.2 Devices that use electronic controllers . 28
4.14.3 Electrical conductors/wiring . 28
4.14.4 Output terminal area . 29
4.14.5 Electric components and attachments . 29
4.14.6 Protection . 29
5 Abnormal operating and fault conditions testing and requirements . 29
5.1 General . 29
5.2 Compliance testing . 30
5.3 Passing criteria . 30
5.4 Simulated faults and abnormal conditions for limited power and SELV circuits . 31
5.5 Abnormal operation – electromechanical components . 31
5.6 Abnormal operation of micro fuel cell power systems or units with integrated
batteries . 31

PAS 62282-6-150  IEC:2011(E) – 3 –
5.7 Abnormal operation – simulation of faults based on hazard analysis. 32
6 Instructions and warnings for micro fuel cell power systems, micro fuel cell power
units and fuel cartridges . 32
6.1 General . 32
6.2 Minimum markings required on the fuel cartridge . 32
6.3 Minimum markings required on the micro fuel cell power system or micro fuel
cell power unit . 33
6.4 Additional information required either on the fuel cartridge or on
accompanying written information or on the micro fuel cell power system or
micro fuel cell power unit . 33
6.5 Technical documentation . 34
7 Type tests for micro fuel cell power systems, micro fuel cell power units and fuel
cartridges . 34
7.1 General . 34
7.2 Leakage, hydrogen leakage, and hydrogen gas loss, and hydrogen emission
measurement and the measuring procedures . 36
7.2.1 Leakage test and measuring procedure . 36
7.2.2 Hydrogen leakage measurement from fuel cartridges and/or fuel
management systems and measuring procedure . 36
7.2.3 Hydrogen gas loss measurements from micro fuel cell power systems
and micro fuel cell power units and measuring procedures . 37
7.3 Type tests . 44
7.3.1 Pressure differential tests . 44
7.3.2 Vibration test . 48
7.3.3 Temperature cycling test . 49
7.3.4 High temperature exposure test . 50
7.3.5 Drop test . 51
7.3.6 Compressive loading test . 51
7.3.7 External short-circuit test . 52
7.3.8 Surface, component and exhaust gas temperature test . 53
7.3.9 Long-term storage test . 54
7.3.10 High temperature connection test . 58
7.3.11 Connection cycling tests . 59
7.3.12 Emission test . 65
7.3.13 Hydrogen point source gas loss detection test . 74
Bibliography . 77

Figure 1.1 – Micro fuel cell power system block diagram for UN Division 4.3 (water
reactive) compound fuel in indirect PEM fuel cell system; fuel management system in
micro fuel cell power unit . 8
Figure 1.2 – Micro fuel cell power system block diagram for UN Division 4.3 (water
reactive) compound fuel in indirect PEM fuel cell system; fuel management system in
fuel cartridge . 9
Figure 2 – Fuel cartridge leakage test flow chart for pressure differential, vibration,
drop, and compressive loading tests . 38
Figure 3 – Fuel cartridge leakage test flow chart for temperature cycling test and high
temperature exposure test . 39
Figure 4 – Micro fuel cell power system or micro fuel cell power unit leakage and
hydrogen gas loss test flow chart for vibration, temperature cycling, drop and
compressive loading tests . 40

– 4 – PAS 62282-6-150  IEC:2011(E)
Figure 5 – Micro fuel cell power system or micro fuel cell power unit leakage and
hydrogen gas loss test flow chart for external short-circuit test . 41
Figure 6 – Micro fuel cell power system or micro fuel cell power unit leakage and
hydrogen gas loss test flow chart for 68 kPa low external pressure test . 42
Figure 7 – Micro fuel cell power system or micro fuel cell power unit leakage and
hydrogen gas loss test flow chart for 11,6 kPa low external pressure test . 43
Figure 8 – Temperature cycling . 50
Figure 9 – Fuel cartridge leakage and hydrogen gas loss test flow chart for long-term
storage test. . 58
Figure 10 – Operational emission rate testing apparatus . 65
Figure 11 – Operational emission c
...