British Standards Institution

Source:: IEC
Committee:: PEL/69 - Electric vehicles
Categories:: Electric road vehicles
Comment period start date:: 20/08/2025
Comment period end date:: 08/10/2025
Number of comments:: 0

Comment by:

8th Oct

Scope

This part of IEC 61851, together with IEC 61851-23, applies to digital communication between a DC EV supply equipment and an electric road vehicle (EV) for control of conductive DC power transfer, with a rated supply voltage up to 1 000 V AC or up to 1 500 V DC and a rated output voltage up to 1 500 V DC.

This document also applies to digital communication between the DC EV charging/discharging station and the EV for system A, as specified in Annex A.

The EV charging mode is mode 4, according to IEC 61851-23.

Annex A, Annex B, and Annex C give descriptions of digital communications for control of DC charging specific to DC EV charging systems A, B and C as defined in IEC 61851-23.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

14/11/2025

3. Public Comments

Public Comments start date:

20/08/2025

Public Comments end date:

08/10/2025

Learn more about the standards development process

Standards Development

BS EN 61851-24 Ed.3.0 Electric vehicle conductive charging system. Part 24: Digital communication between a DC EV supply equipment and an electric vehicle for control of DC charging

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