GB/Z 21437.4-2025 Active National standards

GB/Z 21437.4-2025 Road vehicles—Test method of electrical disturbances from conduction and coupling—Part 4:Electrical transient conduction along shielded high voltage supply lines only

Publish Date: 2025-12-03 Implement Date: 1970-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/Z 21437.4-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Automotive electronics, electrical equipment, and instrumentation

ICS Name: Electric and electronic equipment

Publish Date: 2025-12-03

Implement Date: 1970-01-01

Pages: 28 pages

Scope

This document specifies the bench test methods and procedures for the electrical transient conduction emission and immunity of automotive electrical/electronic components along high-voltage shielded power lines.
This document is applicable to devices installed in M-class, N-class, O-class, and L-class electrically independent drive road vehicles (e.g., pure electric vehicles (BEVs), hybrid electric vehicles (HEVs), or plug-in hybrid electric vehicles (PHEVs)) that are isolated from the power supply and have an electrical system voltage greater than 60 V (DC) and less than 1,500 V (DC). The electrical transient conduction emission and immunity along high-voltage unshielded power lines are referenced for use.

Development Information

Word Count: 40 Thousand words Pages: 28 pages

Referenced Standards

GB/T 21437.1-2008 Road vehicles—Electrical disturbances from conduction and coupling—Part1:Definitions and general considerations GB/T 21437.1-2021 Road vehicles—Test method of electrical disturbances from conduction and coupling—Part 1:Definitions and general considerations

Adopt standards

ISO/TS 7637-4:2020

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