Standard No.:	GB/T 24554-2022
English Name:	Performance test methods for fuel cell system
Chinese Name:	燃料电池发动机性能试验方法
Chinese Classification:	T47    New energy vehicle and other automobiles
Professional Classification:	GB    National Standard
Source Content Issued by:	SAMR; SAC
Issued on:	2022-12-30
Implemented on:	2023-7-1
Status:	valid
Superseding:	GB/T 24554-2009 Performance test methods for fuel cell engines
Target Language:	English
File Format:	PDF
Word Count:	10500 words
Translation Price(USD):	315.0
Delivery:	via email in 1 business day

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