Technical requirements of fuelling protocols for hydrogen fuel cell vehicles
1 Scope
This document specifies the basic requirements, general requirements, fuelling boundary conditions, fuelling process and requirements for fuelling process control of high-pressure fuelling protocols for hydrogen fuel cell vehicles.
This document is applicable to fuelling protocols of hydrogen dispensers for hydrogen fuel cell vehicles. This document may also serve as a reference for fuelling protocols of hydrogen dispensers for hydrogen internal combustion engine vehicles, hydrogen ships, hydrogen trams, hydrogen aircrafts, hydrogen engineering vehicles, hydrogen power generation devices, hydrogen transport vehicles, etc.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 31138 Hydrogen dispensers
3 Terms and definitions
For the purposes of this document, the following terms and definitions and those given in GB/T 31138 apply.
3.1
fuelling protocol
operating boundary conditions and fuelling strategies for hydrogen dispensers of hydrogen fuel cell vehicles
3.2
mass capacity of onboard hydrogen storage system
total mass of hydrogen stored by onboard hydrogen storage system at 15℃ and nominal working pressure
3.3
dispenser pressure
pressure of hydrogen in the fuel delivery pipeline within 1m upstream of the safe-break valve of the hydrogen dispenser
3.4
target pressure
pressure of hydrogen expected to be reached by the onboard hydrogen storage system at the shutdown of fuelling
3.5
fuel delivery temperature
temperature of hydrogen in the fuel delivery pipeline within 1m upstream of the safe-break valve of the hydrogen dispenser
3.6
pre-cooling temperature of hydrogen
temperature of hydrogen in the hydrogen dispenser after passing through the pre-cooling heat exchanger
3.7
average pressure ramp rate
average growth rate of hydrogen dispenser pressure from the start to the shutdown of fuelling
3.8
cool soak
condition where the temperature of both hydrogen dispenser pipeline and high-pressure hydrogen cylinder of the onboard hydrogen storage system is lower than the ambient temperature
3.9
hot soak
condition where the temperature of both hydrogen dispenser pipeline and high-pressure hydrogen cylinder of the onboard hydrogen storage system is higher than the ambient temperature
3.10
fueling with communication
fuelling method in which data is exchanged between hydrogen dispenser and onboard hydrogen storage system through wired or wireless means during the fuelling time
3.11
fueling with non-communication
fuelling method in which no data exchange is available or valid between hydrogen dispenser and onboard hydrogen storage system during the fuelling time
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Basic requirements
4.1 Composition of fuelling protocol
4.2 General
4.3 Fuelling rate
4.4 Target pressure
4.5 Classification of fuelling levels
5 General requirements for fuelling protocol
6 Fuelling boundary conditions
6.1 Basic requirements
6.2 Initial temperature
6.3 Pipeline pressure loss
6.4 Fuelling method
7 Fuelling process
7.1 Fuelling with non-communication
7.2 Fuelling with communication
8 Fuelling process control
8.1 Basic requirements
8.2 Pressure control method
8.3 Flow rate control method
Annex A (Informative) Schematic diagram of fuel delivery process
Annex B (Informative) Fuelling process control flow
B.1 Fuel delivery startup procedure
B.2 Fuelling table selection procedure
B.3 Fuelling procedure
B.4 Fuelling process test procedure
B.5 Pre-cooling temperature level reduction fuelling procedure of hydrogen
Annex C (Informative) Recommended pressure ramp rate based on pressure control
C.1 H35-B-III
C.2 H35-C-III
C.3 H35-D-III
C.4 H70-C-III
C.5 H70-D-III
Annex D (Informative) Recommended average flow rate based on flow rate control
D.1 H35-B-III
D.2 H35-C-III
D.3 H35-D-III
D.4 H70-C-III
D.5 H70-D-III
Technical requirements of fuelling protocols for hydrogen fuel cell vehicles
1 Scope
This document specifies the basic requirements, general requirements, fuelling boundary conditions, fuelling process and requirements for fuelling process control of high-pressure fuelling protocols for hydrogen fuel cell vehicles.
This document is applicable to fuelling protocols of hydrogen dispensers for hydrogen fuel cell vehicles. This document may also serve as a reference for fuelling protocols of hydrogen dispensers for hydrogen internal combustion engine vehicles, hydrogen ships, hydrogen trams, hydrogen aircrafts, hydrogen engineering vehicles, hydrogen power generation devices, hydrogen transport vehicles, etc.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 31138 Hydrogen dispensers
3 Terms and definitions
For the purposes of this document, the following terms and definitions and those given in GB/T 31138 apply.
3.1
fuelling protocol
operating boundary conditions and fuelling strategies for hydrogen dispensers of hydrogen fuel cell vehicles
3.2
mass capacity of onboard hydrogen storage system
total mass of hydrogen stored by onboard hydrogen storage system at 15℃ and nominal working pressure
3.3
dispenser pressure
pressure of hydrogen in the fuel delivery pipeline within 1m upstream of the safe-break valve of the hydrogen dispenser
3.4
target pressure
pressure of hydrogen expected to be reached by the onboard hydrogen storage system at the shutdown of fuelling
3.5
fuel delivery temperature
temperature of hydrogen in the fuel delivery pipeline within 1m upstream of the safe-break valve of the hydrogen dispenser
3.6
pre-cooling temperature of hydrogen
temperature of hydrogen in the hydrogen dispenser after passing through the pre-cooling heat exchanger
3.7
average pressure ramp rate
average growth rate of hydrogen dispenser pressure from the start to the shutdown of fuelling
3.8
cool soak
condition where the temperature of both hydrogen dispenser pipeline and high-pressure hydrogen cylinder of the onboard hydrogen storage system is lower than the ambient temperature
3.9
hot soak
condition where the temperature of both hydrogen dispenser pipeline and high-pressure hydrogen cylinder of the onboard hydrogen storage system is higher than the ambient temperature
3.10
fueling with communication
fuelling method in which data is exchanged between hydrogen dispenser and onboard hydrogen storage system through wired or wireless means during the fuelling time
3.11
fueling with non-communication
fuelling method in which no data exchange is available or valid between hydrogen dispenser and onboard hydrogen storage system during the fuelling time
Contents of GB/T 42855-2023
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Basic requirements
4.1 Composition of fuelling protocol
4.2 General
4.3 Fuelling rate
4.4 Target pressure
4.5 Classification of fuelling levels
5 General requirements for fuelling protocol
6 Fuelling boundary conditions
6.1 Basic requirements
6.2 Initial temperature
6.3 Pipeline pressure loss
6.4 Fuelling method
7 Fuelling process
7.1 Fuelling with non-communication
7.2 Fuelling with communication
8 Fuelling process control
8.1 Basic requirements
8.2 Pressure control method
8.3 Flow rate control method
Annex A (Informative) Schematic diagram of fuel delivery process
Annex B (Informative) Fuelling process control flow
B.1 Fuel delivery startup procedure
B.2 Fuelling table selection procedure
B.3 Fuelling procedure
B.4 Fuelling process test procedure
B.5 Pre-cooling temperature level reduction fuelling procedure of hydrogen
Annex C (Informative) Recommended pressure ramp rate based on pressure control
C.1 H35-B-III
C.2 H35-C-III
C.3 H35-D-III
C.4 H70-C-III
C.5 H70-D-III
Annex D (Informative) Recommended average flow rate based on flow rate control
D.1 H35-B-III
D.2 H35-C-III
D.3 H35-D-III
D.4 H70-C-III
D.5 H70-D-III
