GB/T 24554-2009 in English

《GB/T 24554-2009燃料电池发动机性能试验方法》由TC114（全国汽车标准化技术委员会）归口，TC114SC27（全国汽车标准化技术委员会电动车辆分会）执行，主管部门为工业和信息化部。
本标准规定了燃料电池发动机起动特性、稳态特性、动态响应特性、气密性检测、绝缘电阻检测等试验方法。
本标准适用于车用质子交换膜燃料电池发动机。

1 Scope

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).

Foreword I
1 Scope
2 Normative References
3 Terminologies and Definitions
4 Precision Requirements of Testing Instrument
5 Preparation Before Test
6 General Test Conditions and Test Requirements
7 Performance Test Methods
8 Calculation of Test Data