Withstand voltage test for electric power sources

Essai de tension de tenue pour les sources d'alimentation électrique

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ISO 6469-3:2018/Amd 1:2020 - Withstand voltage test for electric power sources
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Third edition
Electrically propelled road vehicles —
Safety specifications —
Part 3:
Electrical safety
AMENDMENT 1: Withstand voltage test
for electric power sources
Véhicules routiers électriques — Spécifications de sécurité —
Partie 3: Sécurité électrique
AMENDEMENT 1: Essai de tension de tenue pour les sources
d'alimentation électrique
Reference number
ISO 6469-3:2018/Amd.1:2020(E)
ISO 2020
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ISO 6469-3:2018/Amd.1:2020(E)
© ISO 2020

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ii © ISO 2020 – All rights reserved
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ISO 6469-3:2018/Amd.1:2020(E)

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This document was prepared by Technical Committee ISO/TC 22, Road Vehicles, Subcommittee SC 37,

Electrically propelled vehicles.
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© ISO 2020 – All rights reserved iii
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ISO 6469-3:2018/Amd.1:2020(E)
Electrically propelled road vehicles — Safety
specifications —
Part 3:
Electrical safety
AMENDMENT 1: Withstand voltage test for electric power
Clause 3
Add the following terminological entry:
electric power source
system that provides electric energy
EXAMPLE RESS, fuel cell system, photovoltaic system.
Add following text after the second paragraph:

Electric power sources, which can be de-energized, shall be de-energized and included into the balance

of the electric circuit.

Electric power sources, which are not part of the balance of the electric circuit shall be tested according

to 10.7.
Add the following subclauses after 10.6 and before the Bibliography:

10.7 Withstand voltage test for electric power sources which are not de-energized

10.7.1 General

This test is intended to demonstrate the adequacy of the protection measures to isolate live parts of

voltage class B electric circuits.

It applies to voltage class B electric circuits of electric power sources that are not conductively

connected to a voltage class A electric circuit or to the electric chassis.

The test may be performed at the vehicle level at the discretion of the vehicle manufacturer.

© ISO 2020 – All rights reserved 1
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ISO 6469-3:2018/Amd.1:2020(E)

For this test, device under test (DUT) refers to a voltage class B electric power source that cannot be


The voltage withstand test for the components of DUT (e.g. control unit, contactor) can be performed

separately unless it affects the test results. For components of the DUT which are de-ener


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