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BS EN IEC 62282-4-101:2022

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Fuel cell technologies – Fuel cell power systems for electrically powered industrial trucks. Safety

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BSI 2022 118
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This document deals with safety of fuel cell power systems for propulsion other than road vehicles and auxiliary power units (APU). This part of IEC 62282 covers safety requirements for fuel cell power systems intended to be used in electrically powered industrial trucks as defined in ISO 5053-1, except for: – rough-terrain trucks; – non-stacking low-lift straddle carriers; – stacking high-lift straddle carriers; – rough-terrain variable-reach trucks; – slewing rough-terrain variable-reach trucks; – variable-reach container handlers; – pedestrian propelled trucks. This document applies to gaseous hydrogen-fuelled fuel cell power systems and direct methanol fuel cell power systems for electrically powered industrial trucks. The following fuels are considered within the scope of this document: – gaseous hydrogen; – methanol. This document covers the fuel cell power system as defined in 3.8 and Figure 1. This document applies to DC type fuel cell power systems, with a rated output voltage not exceeding 150 V DC for indoor and outdoor use. This document covers fuel cell power systems whose fuel source container is permanently attached to either the industrial truck or the fuel cell power system. In accordance with IEC Guide 116, significant hazards, hazardous situations and events dealt with in this document are shown in Annex B. The following are not included in the scope of this document: – detachable type fuel source containers; – hybrid trucks that include an internal combustion engine; – reformer-equipped fuel cell power systems; – fuel cell power systems intended for operation in potentially explosive atmospheres; – fuel storage systems using liquid hydrogen. [Figure 1]

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PDF Pages PDF Title
2 undefined
7 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
13 English
CONTENTS
16 FOREWORD
18 INTRODUCTION
19 1 Scope
20 2 Normative references
Figures
Figure 1 ā€“ Fuel cell power systems for industrial trucks
24 3 Terms and definitions
27 4 Construction requirements for safety
4.1 General
28 4.2 Hydrogen and other fluid containing parts
4.2.1 General
4.2.2 Piping, hoses, tubing and fittings
29 4.2.3 Hydrogen pressure vessels
30 4.2.4 Metal hydride container
4.2.5 Methanol fuel tank
4.3 Refueling
4.4 Over-pressure and thermal protection
31 Figure 2 ā€“ Example of a diagram with vent system coveringcomponents downstream of the regulator
Figure 3 ā€“ Example of a diagram with vent system covering all components
32 4.5 Regulators
4.6 Operating and shut-off valves
4.7 Filters
4.8 Pumps and compressors
Figure 4 ā€“ Example of a diagram with vent system covering all components in a multiple storage vessel system
33 4.9 Electrically operated pressure sensing and controlling devices
4.10 Ventilation to prevent the build up of flammable gases
34 4.11 Electrostatic discharge (ESD)
4.12 Discharges including methanol emissions and waste materials
4.13 Enclosures
35 4.14 Electrical system
4.14.1 General
4.14.2 Internal wiring
36 4.14.3 External wiring
4.14.4 Emergency switching off requirements (disconnection) for connections for fuel cell power system
Tables
Table 1 ā€“ Appliance-wiring material
37 4.14.5 Motors
4.14.6 Switches and motor controllers
4.14.7 Transformers and power supplies
4.14.8 Inverters, converters and controllers
4.14.9 Lamps and lampholders
38 4.14.10 Energy storage components
4.14.11 Electrical insulation
39 4.14.12 Limited power circuit
4.14.13 Electrical spacings
40 4.14.14 Separation of circuits
Table 2 ā€“ Spacings
41 4.15 Control circuits
4.15.1 Safety controls
4.15.2 Start
4.15.3 Drive off
4.15.4 Emergency stop
4.16 Risk assessment and risk reduction
42 5 Performance requirements for safety and type tests
5.1 General
5.2 Vibration test
5.2.1 General
5.2.2 Vertical axis test
5.2.3 Longitudinal and lateral axes tests
5.3 Fuel container securement test
43 5.4 Endurance test
5.5 External leakage test
5.6 Dilution test
5.6.1 Releases
5.6.2 Setup and operation
5.6.3 Exhaust dilution
5.6.4 Dilution boundaries
5.7 Ultimate strength test
44 5.8 Potential failure modes test
5.9 Temperature test
45 Table 3 ā€“ Temperature rise limits
46 5.10 Continuity test
5.11 Non-metallic tubing test for accumulation of static electricity
5.11.1 Passing criteria
5.11.2 Test method
47 5.12 Dielectric voltage ā€“ Withstand test
5.13 Limited power circuit test
48 5.14 Rated power output test
5.15 Abnormal operation test ā€“ Electric equipment failures
Table 4 ā€“ Limits for inherently limited power sources
Table 5 ā€“ Limits for power sources not inherently limited (overcurrent protection required)
49 5.16 Emission of effluents test (only for methanol fuel cells)
5.17 Environmental test
5.17.1 Rain test
Table 6 ā€“ Emission rate limits
50 5.17.2 Test of equipment ā€“ Exposure to wind
5.18 Enclosure tests
5.18.1 Enclosure loading test
5.18.2 Test for thermoplastic enclosures
51 5.19 Marking plate adhesion test
5.20 Test for elastomeric seals, gaskets and tubing
5.20.1 General
5.20.2 Accelerated air-oven ageing test
5.20.3 Cold temperature exposure test
5.20.4 Immersion test
52 5.21 Test for permeation of non-metallic tubing and piping
5.22 Test for electrical output leads
5.23 Emergency stop
6 Routine tests
6.1 External leakage
6.2 Dielectric voltage-withstand test
7 Markings
53 8 Instructions
8.1 General
54 8.2 Maintenance instructions
8.3 Operating instructions
55 8.4 Installation instructions
56 Annex A (informative) Comparison of pressure terms
Table A.1 ā€“ Comparison table of pressure terms
57 Annex B (informative) Significant hazards, hazardous situations and events dealt with in this document
59 Bibliography
63 FranƧais
SOMMAIRE
66 AVANT-PROPOS
68 INTRODUCTION
69 1 Domaine dā€™application
70 2 RƩfƩrences normatives
Figures
Figure 1 ā€“ SystĆØmes Ć  pile Ć  combustible pour chariots de manutention
74 3 Termes et dƩfinitions
78 4 Exigences de construction en matiĆØre de sĆ©curitĆ©
4.1 GƩnƩralitƩs
4.2 Parties contenant de lā€™hydrogĆØne et autres fluides
4.2.1 GƩnƩralitƩs
79 4.2.2 Tuyauteries, flexibles, tubulures et raccords
80 4.2.3 RĆ©servoirs dā€™hydrogĆØne sous pression
4.2.4 Conteneur en hydrure mƩtallique
81 4.2.5 RƩservoir de combustible mƩthanol
4.3 Ravitaillement
4.4 Protection contre les surpressions et protection thermique
82 Figure 2 ā€“ Exemple schĆ©matique dā€™un systĆØme de mise Ć  lā€™air libre pour des Ć©lĆ©ments en aval du rĆ©gulateur
Figure 3 ā€“ Exemple schĆ©matique dā€™un systĆØme de mise Ć  lā€™air libre pour tous les Ć©lĆ©ments
83 4.5 RĆ©gulateurs
4.6 Robinets de commande et dā€™arrĆŖt
4.7 Filtres
Figure 4 ā€“ Exemple schĆ©matique dā€™un systĆØme de mise Ć  lā€™air libre pourtous les Ć©lĆ©ments dans un systĆØme Ć  plusieurs rĆ©servoirs de stockage
84 4.8 Pompes et compresseurs
4.9 Dispositifs Ʃlectriques de commande et de dƩtection de la pression
4.10 Ventilation destinĆ©e Ć  Ć©viter lā€™accumulation de gaz inflammables
85 4.11 DĆ©charges Ć©lectrostatiques (DES)
4.12 DƩcharges, y compris les Ʃmissions de mƩthanol et les rejets
86 4.13 Enceintes
4.14 SystĆØme Ć©lectrique
4.14.1 GƩnƩralitƩs
4.14.2 CĆ¢blage interne
87 4.14.3 CĆ¢blage externe
Tableaux
Tableau 1 ā€“ MatĆ©riau de cĆ¢blage dā€™appareil
88 4.14.4 Exigences de mise hors tension (dĆ©connexion) dā€™urgence pour les connexions de systĆØmes Ć  pile Ć  combustible
89 4.14.5 Moteurs
4.14.6 Commutateurs et appareils de commande de moteurs
4.14.7 Transformateur et alimentations
4.14.8 Onduleurs, convertisseurs et appareils de commande
4.14.9 Lampes et douilles
4.14.10 Organes de stockage dā€™Ć©nergie
90 4.14.11 Isolation Ć©lectrique
91 4.14.12 Circuit Ơ puissance limitƩe
4.14.13 Espacements Ć©lectriques
92 Tableau 2 ā€“ Espacements
93 4.14.14 SĆ©paration des circuits
4.15 Circuits de commande
4.15.1 Commandes de sƩcuritƩ
4.15.2 DĆ©marrage
4.15.3 DĆ©marrage
94 4.15.4 ArrĆŖt dā€™urgence
4.16 ApprƩciation du risque et rƩduction du risque
5 Exigences de performances pour les essais de sƩcuritƩ et de type
5.1 GƩnƩralitƩs
5.2 Essai de vibration
5.2.1 GƩnƩralitƩs
5.2.2 Essai dans lā€™axe vertical
95 5.2.3 Essais dans les axes longitudinal et latƩral
5.3 Essais de fixation du conteneur de combustible
5.4 Essai dā€™endurance
5.5 Essai de fuites externes
5.6 Essai de dilution
5.6.1 DĆ©gagements
5.6.2 Configuration et fonctionnement
5.6.3 Dilution de lā€™Ć©chappement
96 5.6.4 Limites de zone de dilution
5.7 Essai de rƩsistance Ơ la rupture
5.8 Essai des modes de dƩfaillance potentiels
5.9 Essai de tempƩrature
97 Tableau 3 ā€“ Limites dā€™Ć©chauffement
98 5.10 Essai de continuitƩ
99 5.11 Essai dā€™accumulation de lā€™Ć©lectricitĆ© statique pour les tubes non mĆ©talliques
5.11.1 CritĆØres de rĆ©ussite
5.11.2 MĆ©thode dā€™essai
5.12 Essai de tenue diƩlectrique en tension
5.13 Essai de circuit Ơ puissance limitƩe
100 5.14 Essai de puissance de sortie assignƩe
Tableau 4 ā€“ Limites pour des sources de puissance intrinsĆØquement limitĆ©es
Tableau 5 ā€“ Limites pour des sources de puissance non intrinsĆØquement limitĆ©es (protection contre les surintensitĆ©s exigĆ©e)
101 5.15 Essai de fonctionnement anormal ā€“ DĆ©faillance du matĆ©riel Ć©lectrique
5.16 Essai dā€™Ć©mission dā€™effluents (uniquement pour des piles Ć  combustible mĆ©thanol)
102 5.17 Essais dā€™environnement
5.17.1 Essai de rƩsistance Ơ la pluie
5.17.2 Essai du matĆ©riel ā€“ Exposition au vent
5.18 Essais de lā€™enceinte
5.18.1 Essai de charge de lā€™enceinte
5.18.2 Essai des enceintes thermoplastiques
Tableau 6 ā€“ Limites du taux dā€™Ć©mission
103 5.19 Essai dā€™adhĆ©rence de la plaque signalĆ©tique
104 5.20 Essais des joints, garniture et tubes en Ć©lastomĆØre
5.20.1 GƩnƩralitƩs
5.20.2 Essai de vieillissement accĆ©lĆ©rĆ© Ć  lā€™Ć©tuve Ć  circulation dā€™air
5.20.3 Essai dā€™exposition aux basses tempĆ©ratures
5.20.4 Essai dā€™immersion
5.21 Essai de permƩabilitƩ des tuyauteries et canalisations non mƩtalliques
5.22 Essai des conducteurs Ć©lectriques de sortie
105 5.23 ArrĆŖt dā€™urgence
6 Essais individuels de sƩrie
6.1 Fuites externes
6.2 Essai de tenue diƩlectrique en tension
7 Marquages
106 8 Instructions
8.1 GƩnƩralitƩs
107 8.2 Instructions de maintenance
8.3 Instructions dā€™exploitation
108 8.4 Instructions dā€™installation
109 Tableau A.1 ā€“ Tableau comparatif des termes relatifs Ć  la pression
112 Bibliographie
BS EN IEC 62282-4-101:2022
$215.11