ISO 19880-9:2024 気体水素 — 給油所 — Part 9:燃料品質分析のためのサンプリング | ページ 5

3.1

bleed

<venting> intentional expiration of a fluid from a fluid system

3.2

building

structure, usually enclosed by walls and a roof, constructed to provide support or shelter for intended occupancy

3.3

canopy

roof, overhead shelter, or hood which affords a degree of weather protection

3.4

compressed hydrogen storage system

CHSS

hydrogen storage on-board vehicle

3.5

component pressure rating

maximum pressure at which it is permissible to operate a component as specified by the manufacturer at a specified temperature

Note 1 to entry: See ISO 19880-1 for further details.

3.6

connector

matching parts (such as male and female parts) that can be put together to form a"connection" which permits the transfer of fluids, electric power, or control signals

Note 1 to entry: Fitting (3.12) are a type of connector used in piping systems.

3.7

dispenser

equipment in the dispensing system (3.9) , including the dispenser cabinet(s) (3.8) and support structure, that is physically located in the fuelling area

Note 1 to entry: The hydrogen dispenser typically includes, as a minimum, the fuelling assembly (3.14) , required temperature and pressure instrumentation, filters, and the user interface to conduct vehicle fuelling.

Note 2 to entry: The manufacturer of the hydrogen dispenser can elect to include additional equipment in the dispenser, including the possibility of all equipment in the dispensing system.

3.8

dispenser cabinet

protective housing (3.21) that encloses process piping and can also enclose measurement, control and ancillary dispenser (3.7) equipment

3.9

dispensing system

system downstream of the hydrogen supply system comprising all equipment necessary to carry out the vehicle fuelling operation, through which the compressed hydrogen is supplied to the vehicle

3.10

enclosure

structure, protective housing (3.21) , container, machine cabinet, etc. which encloses or partially encloses equipment of a station that can have access for maintenance but is not intended to be occupied

Note 1 to entry: The use of an enclosure can be to protect equipment from the environment, provide noise attenuation, or provide safety (3.40) to the areas surrounding the equipment.

Note 2 to entry: A canopy (3.3) without walls is not regarded as an enclosure in this context.

3.11

explosive gas atmosphere

mixture with air, under atmospheric conditions, of flammable substances in the form of gas or vapour, which, after ignition, permits self-sustaining flame propagation

Note 1 to entry: Although a mixture which has a concentration above the upper flammable limit (UFL) is not an explosive gas atmosphere, it can readily become so and, generally for area classification purposes, it is advisable to consider it as an explosive gas atmosphere.

[SOURCE:IEC 60079-10-1:2015, 3.2]

3.12

fitting

part or design feature on a component used to join (i.e. connect) any pressure retaining components in the system

3.13

forecourt

surfaced area where vehicle dispensing operations are conducted including the fuelling pad (3.15) and any area underneath a canopy (3.3)

3.14

fuelling assembly

assembly consisting of a hose breakaway device, a hose(s), a nozzle (3.28) and connections between these components that is part of the dispenser (3.7) providing the interface between the hydrogen fuelling station (3.16) and the vehicle

Note 1 to entry: The fuelling assembly can include, or not, a nozzle vent line (with hose breakaway device and hose) depending on the type of nozzle, and communications, if used.

3.15

fuelling pad

area with special construction requirements adjacent to the hydrogen dispensers (3.7) ここで, customers park their vehicles during fuelling

3.16

hydrogen fuelling station

HRS

fuelling station

hydrogen refuelling station

hydrogen filling station

facility for the dispensing of compressed hydrogen vehicle fuel, including the supply of hydrogen, and hydrogen compression, storage, and dispensing systems (3.9)

3.17

harm

physical injury or damage to the health of people, or damage to property or the environment

[SOURCE:ISO/IEC Guide 51:2014, 3.1, modified — The word"physical" has been added.]

3.18

hazard

potential source of harm (3.17)

[SOURCE:ISO/IEC Guide 51: 2014, 3.2]

3.19

hazardous area

classified area

<explosive gas atmospheres> area in which an explosive gas atmosphere (3.11) is present or can be expected to be present, in quantities such as to require special precautions for the construction, installation and use of equipment

Note 1 to entry: The interior of many items of process equipment are commonly considered as a hazardous area even though a flammable atmosphere may not normally be present to account for the possibility of air entering the equipment. Where specific controls such as inerting are used the interior of process equipment may not need to be classified as a hazardous area.

[SOURCE:IEC 60079-10-1:2015, 3.3.1, modified — The alternative preferred term"classified area" has been added.]

3.20

hose assembly

assembly which includes the hose and end connections, including any necessary fittings (3.12) , bend restrictors, and appropriate markings.

3.21

housing

guard or enclosure (3.10) for operating parts, control mechanisms, or other components, that need not be accessible during normal operation.

3.22

hydrogen service level

HSL

pressure level in MPa used to characterize the hydrogen service of the dispensing system (3.9) based on the NWP (3.27) of the vehicle.

Note 1 to entry: The numerical value of HSL also matches the number after the “H” in the pressure class (3.32) (see Table 1).

Note 2 to entry: See ISO 19880-1: 2020, Annex E for application of pressure terminology to hydrogen dispensing systems and vehicles.

3.23

incident

any unplanned event that resulted in injury or ill health of people, or damage or loss to property, plant, materials or the environment or a loss of business opportunity

Note 1 to entry: The use of the term incident is intended to include the term accident.

3.24

maximum allowable working pressure

MAWP

maximum pressure permissible in a system at the temperature specified for the pressure

Note 1 to entry: The maximum allowable working pressure can also be defined as the design pressure, the maximum allowable operating pressure, the maximum permissible working pressure, or the maximum allowable pressure for the rating of pressure vessels and equipment manufactured in accordance with national pressure vessel codes.

Note 2 to entry: See Annex E for discussion of pressure terminology and its application to dispensing systems (3.9) and fuelling stations (3.16) in general.

3.25

maximum fuelling pressure

MFP

maximum pressure expected during a normal (fault-free) vehicle fuelling

Note 1 to entry: Per the UN GTR No. 13, the maximum fuelling pressure is 125 % NWP (3.27) .

Note 2 to entry: Also referred to as Maximum Fill Pressure.

Note 3 to entry: See Annex E for discussion of pressure terminology and its application to dispensing systems (3.9) and fuelling stations (3.16) in general.

3.26

maximum operating pressure

MOP

highest pressure that is expected for a component or system during normal operation including anticipated transients

Note 1 to entry: In the case of the dispensing system (3.9) , the MOP is equivalent to the maximum fuelling pressure (3.26) of the vehicle.

Note 2 to entry: See Annex E for discussion of pressure terminology and its application to dispensing systems and fuelling stations (3.16) in general.

3.27

nominal working pressure

NWP

pressure of a vehicle CHSS (3.4) at 100 % state of charge (SOC) at a gas temperature of 15 ºC

Note 1 to entry: See UN GTR No. 13 clause II-3.37, on page 54.

Note 2 to entry: For road vehicles, this is typically 35 MPa or 70 MPa.

Note 3 to entry: See Annex E for discussion of pressure terminology and the correspondence between vehicle terminology and dispensing systems (3.9) .

Note 4 to entry: Also known as “settled pressure” in ISO 10286.

3.28

nozzle

device connected to a fuel dispensing system (3.9) , which permits the quick connect and disconnect of fuel supply to the vehicle storage system

[SOURCE:ISO 17268:2012, 3.8]

3.29

particle

small piece of matter or oil

3.30

particulate

one or more solid or liquid particles suspended in hydrogen

3.31

pre-cooling

process of cooling hydrogen fuel temperature prior to dispensing

3.32

pressure class

non-dimensional rating of components designed to dispense hydrogen to road vehicles at the required pressure and temperature

Note 1 to entry: The numbers following ‘H’ in the pressure class are numerically the same as HSL (3.22) , but the HSL identifies only the level of the dispensing service whereas the pressure class designation shows the component are fully capable of meeting the pressure and temperature requirements for dispensing hydrogen at the indicated service level.

Note 2 to entry: See Annex E for discussion of pressure terminology and its application to dispensing systems (3.9) and fuelling stations (3.16) in general.

Note 3 to entry: Additional examples of pressure class come from ISO 15649; e.g."600","3000" or"6000".

3.33

pressure relief device

PRD

safety (3.40) device that releases gases or liquids above a specified pressure value in cases of emergency or abnormal conditions

Note 2 to entry: See Annex E for discussion of pressure terminology and its application to pressure protection of the dispensing system and fuelling stations (3.16) in general.

3.34

probability

expression of the chance (likelihood) that a considered event will take place to property, system, business or to the environment

3.35

qualified personnel

personnel with knowledge or abilities, gained through training and/or experience as measured against established requirements, standards or tests, that enable the individual to perform a required function

[SOURCE:ISO 10417:2004, 3.13, modified — The word"characteristics" has been replaced with"knowledge".]

3.36

receptacle

device connected to a vehicle storage system which receives the nozzle (3.28)

Note 1 to entry: This can also be referred to as a fuelling inlet or gas filling port in other documents.

[SOURCE:ISO 17268:2020, 3.11]

3.37

risk

combination of the probability (3.34) of occurrence of harm (3.17) and the severity of that harm; encompassing both the uncertainty about and severity of the harm

[SOURCE:ISO/IEC Guide 51:2014, 3.9, modified — The part “encompassing both the uncertainty about and severity of the harm” has been added.]

3.38

risk assessment

determination of quantitative or qualitative value of risk related to a specific situation and a recognised threat (also called hazard (3.18) )

Note 1 to entry: Based on national requirements, a review of a risk analysis or a safety (3.40) concept by third party is sometimes required.

3.39

risk level

assessed magnitude of the risk

3.40

safety

freedom from unacceptable risk

[SOURCE:ISO/IEC Guide 51:2014, 3.14]

3.41

safety distance

separation distance

safe distance

setback distance

distance to acceptable risk level (3.39) or minimum risk-informed distance between a hazard (3.18) source and a target (human, equipment or environment), which will mitigate the effect of a likely foreseeable incident (3.23) and prevent a minor incident escalating into a larger incident

Note 1 to entry: Safety distances can be split into restriction distances, clearance distances, installation layout distances, protection distances and external risk zone.

3.42

safety perimeter

area around the location of the sampling activity where people not involved in the sampling activity are prevented from entering, the extent of which is based on the appropriate safety distance (3.41)