GB/T 43255-2023 in English

《GB/T 43255-2023燃料电池电动汽车低温冷起动性能试验方法》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。

GB/T 43255-2023 Test methods for sub-zero cold start performances of fuel cell electric vehicles

1 Scope

This document describes the test methods for the sub-zero cold start and start performances of fuel cell electric vehicles at low temperature (below 0℃).

This document is applicable to fuel cell electric vehicles of Categories M and N which use compressed gaseous hydrogen (hereinafter referred to as “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 18352.6-2016 Limits and measurement methods for emissions from light-duty vehicles (CHINA 6)
GB/T 18386.1-2021 Test methods for energy consumption and range of electric vehicles - Part 1: Light-duty vehicles
GB/T 24548 Fuel cell electric vehicles - Terminology
GB/T 27840-2021 Fuel consumption test methods for heavy-duty commercial vehicles
GB/T 37154-2018 Fuel cell electric vehicles - Test methods of hydrogen emission
GB/T 37244 Fuel specification for proton exchange membrane fuel cell vehicles - Hydrogen
GB/T 38146.1-2019 China automotive test cycle - Part 1: Light-duty vehicles
GB/T 38146.2-2019 China automotive test cycle - Part 2: Heavy-duty commercial vehicles

3 Terms and definitions

For the purposes of this document, the terms and definitions given in GB/T 24548 and the following apply.

3.1
sub-zero cold start duration
duration from the start operation of the vehicle to the readiness of the vehicle drive system (i.e., "READY" or "OK" is displayed on the vehicle instrumentation) to the output power of the fuel cell stack reaching 1 kW for the first time

4 Measurement parameters, units, accuracy and resolution

The requirements for measurement parameters, units, accuracy and resolution in the test are shown in Table 1.

Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Measurement parameters, units, accuracy and resolution
5 Requirements for vehicle under test
6 Test conditions
7 Test methods
8 Energy consumption data processing
9 Test data record
Annex A (Normative) Energy consumption data processing methods
Annex B (Informative) Test record table for sub-zero cold start performances of fuel cell electric vehicles