This standard specifies test of fuel cell power system for bus from the following aspects, i.e. terms and definitions, technical requirements, test items index, test process and method, insulation test, quality test, test results sorting and test report.
The test contents for fuel cell power system specified in this standard include: airtightness test, starting performance test at normal temperature, operating mode performance test, insulation test and mass measurement.
This standard is applicable to proton exchange membrane fuel cell power system for bus.
2 Normative References
The following referenced documents are indispensable for the application 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 7445-1995 Pure Hydrogen, High Purity Hydrogen and Ultra Pure Hydrogen
GB/T 18384.3-2001 Electric Vehicles—Safety Specification-Part 3: Protection of Persons against Electric Hazards
GB/T 20042.1 Proton Exchange Membrane Fuel Cell—Terminology
GB/T 23645-2009 Test Methods of Fuel Cell Power System for Passenger Cars
GB/T 25319-2010 Fuel Cell Power System Used for Motor Vehicles—Technical Specification
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in GB/T 20042.1, GB/T 23645-2009 and GB/T 25319-2010 and the following apply.
3.1
operating condition of fuel cell system
operating condition of fuel cell power system, marked by power.
3.2
loading rate of power
ratio of output power to rated power of fuel cell power system, expressed in %.
