This standard specifies thetest methods for the starting characteristic, steady-state characteristic, dynamic response characteristic, air tightness test and insulation resistance test of fuel cell engines.
This standard is applicable to proton exchange membrane fuel cell engines for vehicles.
2Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding corrections to), or revisions of, any of these publications do not apply. However, all parties coming to an agreement based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
GB/T 18384(All parts) Electrically Propelled Road Vehicles - Safety Specifications
GB/T 24548 Fuel cell electric vehicles - Terminology
GB/T 24549 Fuel Cell Electric Vehicles - Safety Requirements
3Terminologies and Definitions
For the purposes of this standard, the terminologies and definitions specified in standard GB/T 24548 and the following ones apply.
3.1
Cold state
The state that the internal temperature of fuel cell engine (outlet temperature of coolant fluid) is the same with the ambient temperature.
3.2
Hot state
The state that the internal temperature of fuel cell engine is within the normal working temperature range (the normal working temperature is specified by the manufacturer).
