Performance test methods for fuel cell system
1 Scope
This document specifies the test methods for fuel cell system such as normal temperature starting characteristics, low temperature cold starting characteristics, steady-state characteristics, dynamic response characteristics, dynamic average efficiency, high temperature operation test, airtightness test, insulation resistance test, mass and power density test.
This document is applicable to proton exchange membrane fuel cell system for vehicles.
2 Normative references
The following documents contain requirements 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 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
GB 18384 Electric vehicles safety requirements
GB/T 24548 Fuel cell electric vehicles - Terminology
GB/T 34593-2017 Test methods of hydrogen emission for fuel cell engine
GB/T 35178 Fuel cell electric vehicles - Hydrogen consumption - Test methods
GB/T 37244 Fuel specification for proton exchange membrane fuel cell vehicles - Hydrogen
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 24548 apply.
4 Measurement parameters, units and accuracy
Table 1 specifies the measurement parameters, units and accuracy in the test.
Table 1 Requirements for measurement parameters, units and accuracy
。。。
5 Test conditions
5.1 Requirements for fuel cell system
The fuel cell system shall meet the following requirements:
——the configuration structure and technical parameters of the fuel cell system as delivered from the factory shall be maintained;
——all sub-systems of the fuel cell system shall be complete; and
——the fuel cell system shall have a reliable safety guarantee system.
5.2 Requirements for fuel cell system condition before test
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Measurement parameters, units and accuracy
5 Test conditions
6 General test requirements
7 Pretreatment methods
8 Test methods
Annex A (Informative) Sequence of test items
Annex B (Normative) Steady-state test data processing
Annex C (Normative) Dynamic average power test data processing
Annex D (Informative) Boundary definition diagram of fuel cell system
Annex E (Normative) Measurement method for volume power density of fuel cell stack
