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BSI BS ISO 11452-4:2020

Road vehicles. Component test methods for electrical disturbances from narrowband radiated electromagnetic energy -- Harness excitation methods
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BSI BS ISO 11452-4:2020

Road vehicles. Component test methods for electrical disturbances from narrowband radiated electromagnetic energy -- Harness excitation methods

PUBLISH DATE 2020
PAGES 52
BSI BS ISO 11452-4:2020

This document specifies harness excitation test methods and procedures for determining the immunity of electronic components of passenger cars and commercial vehicles regardless of the propulsion system (e.g. spark-ignition engine, diesel engine, electric motor).

The bulk current injection (BCI) test method is based on current injection into the wiring harness using a current probe as a transformer where the harness forms the secondary winding.

The tubular wave coupler (TWC) test method is based on a wave coupling into the wiring harness using the directional coupler principle. The TWC test method was developed for immunity testing of automotive components with respect to radiated disturbances in the GHz ranges (GSM bands, UMTS, ISM 2,4 GHz). It is best suited to small (with respect to wavelength) and shielded device under test (DUT), since in these cases the dominating coupling mechanism is via the harness.

The electromagnetic disturbances considered in this document are limited to continuous narrowband electromagnetic fields.

SDO BSI: British Standards Institution
Document Number ISO 11452-4
Publication Date April 29, 2020
Language en - English
Page Count 52
Revision Level
Supercedes
Committee AUE/16
Publish Date Document Id Type View
April 29, 2020 BS ISO 11452-4:2020 Revision
Jan. 31, 2012 BS ISO 11452-4:2011 Revision
July 18, 2005 BS ISO 11452-4:2005 Revision
Nov. 30, 2009 BS ISO 11452-4:2005 Consolidated