Standard No.:	NB/T 11305.2-2023
English Name:	Electric vehicle charging and discharging bi-directional interaction Part2: Coordinated Charging
Chinese Name:	电动汽车充放电双向互动 第2部分：有序充电
Chinese Classification:	K81    AC/DC supply units
Professional Classification:	NB    Professional Standard - Energy
Issued by:	National Energy Adminstration
Issued on:	2023-10-11
Implemented on:	2024-4-11
Status:	valid
Language:	English
File Format:	PDF
Word Count:	8500 words
Price(USD):	255.0
Delivery:	via email in 1 business day

Electric vehicle charging and discharging bi-directional interaction - Part 2: Coordinated charging 1 Scope This document specifies the architecture, functional requirements, technical requirements and information security protection requirements of the coordinated charging systems of electric vehicles. This document is applicable to the design, construction, operation and maintenance of coordinated charging systems of electric vehicles. 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 18487.1-2023 Electric vehicle conductive charging system - Part 1: General requirements GB/T 19596 Terminology of electric vehicles GB/T 27930 Communication protocols between off-board conductive charger and battery management system for electric vehicle GB/T 29317 Terminology of electric vehicle charging/battery swap infrastructure NB/T 33001 Technical conditions for off-board conductive chargers for electric vehicles NB/T 33002 Specification for electric vehicle AC charging spot NB/T 33017 Technical specification for operation and monitoring system of electric vehicle smart charging/battery swap service network NB/T 11305.1 Electric vehicle charging and discharging bi-directional interaction - Part1: General principle 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 18487.1-2023, GB/T 19596, GB/T 29317 and NB/T 11305.1, as well as the following, apply. 3.1 coordinated charging charging electric vehicle according to certain strategies via guidance and coordination with economic or technical measures 3.2 coordinated charging equipment charging equipment with the function of executing a coordinated charging control strategy 3.3 coordinated charging management system system that realizes the formulation, distribution, monitoring and management functions of coordinated charging control strategy between electric vehicles and power grids or other main bodies 3.4 coordinated charging management terminal special device with the functions of remote reception, local generation and distribution and execution of coordinated charging control strategy, which realizes the local operation and management of coordinated charging equipment 3.5 coordinated charging control unit control unit with the function of receiving and executing a coordinated charging control strategy 4 Architecture 4.1 System architecture The coordinated charging system of electric vehicles is an integral part of the bi-directional interaction architecture of electric vehicles, which may include coordinated charging equipment (including charging equipment equipped with coordinated charging control unit), coordinated charging management system, coordinated charging management terminal, etc. See Annex A for the system architecture block diagram, which may be selected according to the application scenarios: a) The coordinated charging equipment is directly connected to the independent coordinated charging management system, the system architecture diagram shown in Annex A.1;

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Architecture 5 Functional requirements 6 Technical requirements 7 Information security protection requirements Annex A (Informative) Architecture block diagram of coordinated charging system Annex B (Informative) Wake-up technology scheme of electric vehicle in GB/T 18487.1-2015