ChinaAutoRegs\uff5cGB\/T 31498-2021 \u82f1\u6587\u7248\u7ffb\u8bd1 \u7535\u52a8\u6c7d\u8f66\u78b0\u649e\u540e\u5b89\u5168\u8981\u6c42
\nPost Crash Safety Requirement for Electric Vehicle<\/p>\n
<\/p>\n
1 SCOPE<\/p>\n
This document specifies the special safety requirements and test methods for battery electric vehicles and hybrid electric vehicles with voltage class B circuits after frontal crash, lateral crash and rear -end crash.
\nThis document applies to the frontal crash of the battery electric vehicles and hybrid electric vehicles with voltage class B circuits in Category M1, Category N1 with a maximum design total mass \uf0a3 2,500 kg, and multi-purpose goods vehicles.
\nThis document applies to lateral crash and rear-end crash of the battery electric vehicles and hybrid electric vehicles with voltage class B circuits in Category M1 and Category N1.
\nThis document doesn\u2019t apply to fuel cell electric vehicles.<\/p>\n
2 NORMATIVE REFERENCES<\/p>\n
The following documents contain provisions which, through reference in this text, constitute essential provisions of this document. For dated references, only the editions cited apply. For undated references, the latest editions of the normative document (including any amendments) apply.<\/p>\n
GB 4208 Degrees of Protection Provided by Enclosure (IP Code)
\nGB 11551 The Protection of the Occupants in the Event of a Frontal Crash for Motor Vehicle
\nGB 18384-2020 Electric vehicles safety requirements
\nGB\/T 18385-2005 Electric Vehicles-Power Performance-Test Method
\nGB\/T 19596 Terminology of Electric Vehicles
\nGB 20071 The Protection of the Occupants in the Event of a Lateral Crash
\nGB 20072 The requirements of fuel system safety in the event of rear-end collision for passenger car<\/p>\n
3 TERMS AND DEFINITIONS<\/p>\n
For the purposes of this document, the terms and definitions given in GB\/T 19596 and the following apply.<\/p>\n
3.1
\nWorking voltage
\nthe effective value (rms) of a.c. voltage or the maximum value of d.c. voltage (disregarding transient peak) liable to be generated by the electric system under any normal operating conditions according to manufacturer’s specifications<\/p>\n
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