Detail of NB/T 10905-2021

Introduction of NB/T 10905-2021

NB/T 10905-2021 Fault classification and code of charging facilities for electric vehicles 1 Scope This document specifies the fault classification and code of charging facilities for electric vehicles, including fault classification, fault grade classification, fault coding and fault information transmission of charging facilities. This document is applicable to the design, operation, maintenance and overhaul of charging facilities such as off-board chargers, AC charging spots, energy storage and charging spots, charging and discharging equipment, battery swap infrastructure and wireless power transfer equipment for 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 18487.1-2015 Electric vehicle conductive charging system - Part 1: General requirements GB/T 27930-2015 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 GB/T 34120-2017 Technical specification for power conversion system of electrochemical energy storage system GB/T 34657.1-2017 Interoperability test specifications of electric vehicle conductive charging - Part 1: Supply equipment GB/T 38775.1-2020 Electric vehicle wireless power transfer - Part 1: General requirements GB/T 38775.3-2020 Electric vehicle wireless power transfer - Part 3: Specific requirements NB/T 33001-2018 Specification for electric vehicle off-board conductive charger NB/T 33002-2018 Specification for electric vehicle AC charging spot NB/T 33008.1-2018 Inspection and test specifications for electric vehicle charging equipment - Part 1: Off-board charger NB/T 33008.2-2018 Inspection and test specifications for electric vehicle charging equipment - Part 2: A.C. charging spot T/CEC 102.1 Charging and battery swap service information exchange for electric vehicles - Part 1: General 3 Terms and definitions For the purposes of this document, the terms and definitions given in GB/T 29317 and T/CEC 102.1 and the following apply. 3.1 charging facilities general term for related facilities that provide electric energy for electric vehicles by vehicle charging mode, including charging stations and dispersal charging facilities 3.2 charging station special place to provide charging service for electric vehicles, which consists of several centralized charging equipment under local centralized management, as well as related power supply equipment, monitoring equipment, supporting facilities, etc. 3.3 dispersal charging facilities facilities for providing electric energy for electric vehicles, including charging equipment, power-supply system and supporting facilities, which are built in combination with parking spaces in users' places of residence, unit parking lots, parking lots in public buildings, social public parking lots, on-road temporary parking spaces, etc. 3.4 off-board charger special device, fixedly connected to AC or DC power supply and converting the electric energy to the DC electric energy, that charges the swappable battery system of electric vehicle by conduction, which is called charger for short 3.5 AC charging spot special power supply device that provides AC power for electric vehicles with on-board charging devices by conduction 3.6 power-supply system system consisting of power equipment and distribution lines that provide power for charging stations/battery swap stations 3.7 charging and battery swap operation and service platform system which realizes business service, dispatching management, operation monitoring, data collection, statistical analysis and operation decision-making of businesses related to electric vehicle charging and battery swap, provides information service for networked electric vehicle drivers, and may consist of charging and battery swap monitor platform, charging and battery swap service platform, charging and battery swap service client, etc.

Contents of NB/T 10905-2021

Foreword II 1 Scope 2 Normative references 3 Terms and definitions 4 Hierarchical architecture of fault information 5 Functional units of electric vehicle charging facilities 5.1 Functional units of off-board charger 5.2 Functional units of AC charging spot 5.3 Functional units of energy storage and charging spot 5.4 Functional units of charging and discharging equipment 5.5 Functional units of battery swap infrastructure 5.6 Functional units of wireless power transfer equipment 6 Fault classification 6.1 Fault classification rules 6.2 Fault classification of off-board charger 6.3 Fault classification of AC charging spot 6.4 Fault classification of energy storage and charging spot 6.5 Fault classification of charging and discharging equipment 6.6 Fault classification of battery swap infrastructure 6.7 Fault classification of wireless power transfer equipment 6.8 Fault classification of vehicle 6.9 Fault classification of power distribution equipment 6.10 Fault classification of charging monitoring 7 Fault grade classification 8 Fault coding 8.1 Fault coding rules 8.2 Off-board charger fault 8.3 AC charging spot fault 8.4 Energy storage and charging spot fault 8.5 Charging and discharging equipment fault 8.6 Battery swap infrastructure fault 8.7 Wireless power transfer equipment fault 8.8 Vehicle fault 8.9 Power distribution equipment fault 8.10 Charging monitoring fault 9 Fault information transmission 9.1 Contents to be transmitted in fault information of electric vehicle charging facilities 9.2 Data format of fault event information 9.3 Data format of fault state information