GB/T 20234.3-2023 Connection set for conductive charging of electric vehicles - Part 3: DC charging coupler
1 Scope
This document specifies the general requirements, rated value, connection interface, contact layout, contact function, type, structural dimension and other requirements of the DC charging coupler for conductive charging of electric vehicles.
This document is applicable to DC charging couplers with the rated voltage not exceeding DC 1500 V and the rated current (duration maximum current) not exceeding 800 A.
2 Normative references
The following documents contain provisions which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 19596 Terminology of electric vehicles
GB/T 20234.1 Connection set for conductive charging of electric vehicles - Part 1: General requirements
GB/T 29317 Terminology of electric vehicle charging/battery swap infrastructure
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 19596, GB/T 20234.1 and GB/T 29317 apply.
4 General
4.1 The technical requirements and test methods of DC charging coupler shall comply with GB/T 20234.1.
4.2 The control guide circuit and control principle applicable to the DC charging coupler shall comply with relevant standards or documents.
4.3 The communication protocol applicable to the DC charging coupler shall comply with relevant standards or documents.
5 Rated values
The rated values of the DC charging coupler shall be as specified in Table 1.
Table 1 Rated values of DC charging coupler
Foreword i
Introduction iii
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Rated values
6 Connection function
6.1 Connection interface and contact layout
6.2 Contact parameters and functions
6.3 Connection interfaces of contacts
6.4 Locking devices
7 Structural dimensions of charging coupler
7.1 General
7.2 Vehicle connector
7.3 Vehicle inlet
8 Examples of vehicle inlet mounting
8.1 Front mounting
8.2 Rear mounting
8.3 Integrated structure
9 Space dimensions of vehicle connector
10 Example of locking device structure
