Foreword
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This document is developed in accordance with the rules given in GB/T 1.1-202 Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents.
This document replaces GB/T 26991-2011 Fuel cell electric vehicles - Maximum speed test method. In addition to structural adjustment and editorial changes, the following main technical changes have been made with respect to GB/T 26991-2011:
a) The application scope of the standard is modified (see Clause 1 hereof; Clause 1 of Edition 2011);
b) The term and definition of "rechargeable electrical energy storage system mode" are added (see 3.1 hereof);
c) The term and definition of "hybrid mode" are added (See 3.2 hereof);
d) The environmental conditions are modified (see 4.1 hereof; 5.4 of Edition 2011);
e) The test equipment is modified (see 4.2 hereof; Clause 4 of Edition 2011);
f) The vehicle conditions are modified (see 4.4 hereof; 5.2 of Edition 2011);
g) The road conditions are modified (see 4.5 hereof; 5.3 of Edition 2011);
h) The requirements for hydrogenation are added (see 5.1 hereof);
Test methods for power performance of fuel cell electric vehicles
1 Scope
This document describes the test methods for the acceleration performance, maximum speed, and hill climbing ability of fuel cell electric vehicles.
This document is applicable to the power performance test of fuel cell electric vehicles of Categories M and N (hereinafter referred to as "vehicles") using compressed hydrogen.
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 (including any amendments) applies.
GB/T 3730.2 Road vehicle - Masses - Vocabulary and codes
GB/T 12428 Laden mass calculating method for buses
GB/T 12534 Motor vehicles - General rules of road test method
GB/T 12539 Motor vehicles steep hill climbing test method
GB/T 12545.1-2008 Measurement methods of fuel consumption for automobiles - Part 1: Measurement methods of fuel consumption for passenger cars
GB/T 15089 Classification of power-driven vehicles and trailers
GB 18384 Electric vehicles safety requirements
GB/T 18385 Electric vehicles - Power performance - Test method
GB/T 19596 Terminology of electric vehicles
GB/T 19752 Hybrid electric vehicles - Power performance - Test method
GB/T 24548 Fuel cell electric vehicles - Terminology
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 12539, GB/T 15089, GB 18384, GB/T 18385, GB/T 19596, GB/T 19752, and GB/T 24548 and the following apply.
3.1
rechargeable electrical energy storage system mode
driving mode in which a vehicle is powered only by a rechargeable electrical energy storage system (REESS)
3.2
hybrid mode
driving mode in which two or more energy sources or power sources provide energy or power at the same time
4 Test conditions
4.1 Environmental requirements
4.1.1 Atmospheric temperature and pressure
The atmospheric temperature is between 0°C and 40°C; the atmospheric pressure is between 91 kPa and 104 kPa.
5 Preparation of test vehicles
6 Test items
7 Test methods
Annex A
(Normative)
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Test conditions
5 Preparation of test vehicles
6 Test items
7 Test methods
Annex A (Normative) Method for determining the correction factor of ring roads
