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NB/T 33009-2013 English PDF (NBT33009-2013)

NB/T 33009-2013 English PDF (NBT33009-2013)

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NB/T 33009-2013: Technical guide for electric vehicle charging/battery swap infrastructure construction

This Standard specifies the basic technical principles that shall be followed in the electric vehicle charging/battery swap infrastructure construction; it is applicable to the electric vehicle charging/battery swap infrastructure construction, including AC charging spot, charging station, battery swap station and battery dispatch center, etc.
NB/T 33009-2013
ENERGY INDUSTRY STANDARD OF
THE PEOPLE REPUBLIC OF CHINA
ICS 29.200
K 81
Record No.: 43510-2014
Technical guide for electric vehicle charging/battery
swap infrastructure construction
ISSUED ON: NOVEMBER 28, 2013
IMPLEMENTED ON: APRIL 01, 2014
Issued by: National Energy Administration
Table of Contents
Foreword ... 4
1 General Principles ... 6
2 Construction Principles ... 7
2.1 Principles of planning ... 7
2.2 Principles of site selection ... 7
2.3 Layout of charging station/battery swap station ... 8
3 Technical Principles ... 9
3.1 AC charging spot ... 9
3.2 Charging station ... 9
3.3 Type-A battery swap station ... 11
3.4 Type-B battery swap station ... 12
3.5 Battery dispatch center ... 12
3.6 Metering ... 12
3.7 Safety and firefighting ... 13
3.8 Signs and identifications ... 13
4 Project Construction and Acceptance ... 14
Explanation of Wording in this Code ... 15
List of Quoted Standards ... 16
Technical guide for electric vehicle charging/battery
swap infrastructure construction
1 General Principles
1.0.1 The electric vehicle charging/battery swap infrastructure construction shall implement relevant national laws, regulations, technical standards, energy-saving and environmental protection policies; so that be technologically advanced, safe and reliable, economical and reasonable, and convenient to use.
1.0.2 This Standard specifies the basic technical principles that shall be followed in the electric vehicle charging/battery swap infrastructure construction; it is applicable to the electric vehicle charging/battery swap infrastructure construction, including AC charging spot, charging station, battery swap station and battery dispatch center, etc. 1.0.3 The electric vehicle charging/battery swap infrastructure construction shall follow the principles of unified standard, unified specification, unified identification, optimized distribution, safety and reliability, and moderate advancement.
1.0.4 The electric vehicle charging/battery swap infrastructure shall be reasonably determined the design plan according to the project characteristics, equipment capacity, site environment, energy-saving and environmental protection, and the like factors.
1.0.5 The electric vehicle charging/battery swap infrastructure construction shall be compatible with the local electrical vehicle development plan; coordinate to promote with the development of electrical vehicle application; improve the resource utilization efficiency; and fully guarantee the electric power supply of the electric vehicle. 1.0.6 The electric vehicle charging/battery swap infrastructure include the following construction modes, such as AC charging spot, charging station, battery swap station, battery dispatch center, etc. The battery swap station can be divided into Type-A and Type B battery swap station according to the different functions, and as per the requirements of 5.2 specified in GB/T 29772-2012 General Requirements of Electric Vehicle Battery Swap Station.
3 Technical Principles
3.1 AC charging spot
3.1.1 The functions and technical indicators shall meet the requirements of current industry standard NB/T 33002 Specification for Electric Vehicle A.C Charging Point. 3.1.2 The design of the power supply and distribution system shall meet the relevant requirements of the current national standard GB 50054 Code for Design of Low- voltage Electrical Distribution System.
3.1.3 The charging coupler shall meet the requirements of the current national standard GB/T 20234.2 Connection Set for Conductive Charging of Electric Vehicles - Part 2: AC Charging Coupler.
3.1.4 AC charging spot shall be equipped with necessary external protective equipment.
3.1.5 AC charging spot shall have the communication interface with the superior monitoring and management system.
3.2 Charging station
3.2.1 The charging station power supply system shall meet the following conditions: 1 The design of transformer room and power distribution room shall meet the requirements of current national standard GB 50053 Code for Design of 10kV and Under Electric Substation; while the design of low-voltage power distribution part shall meet the requirements of current national standard GB 50054 Code for Design of Low-voltage Electrical Distribution System.
2 The number of power supplies shall be selected according to the degree of importance and power distribution capacity.
3 The power supply voltage level shall be determined according to the power distribution capacity.
4 The capacity of the power supply system shall meet the requirements for the electricity consumption by the charging, lighting, monitoring, etc. in the charging station; and leave a certain margin.
5 Take effective power quality control measures; reduce the impact on the public power grid; so that the power quality of the charging station at the access point of the public power grid meet the requirements of current national standard GB/T 29316 Power Quality Requirements for Electric Vehicle Charging/Battery Swap Infrastructure.
3.3 Type-A battery swap station
3.3.1 The design of power supply system in Type-A battery swap station shall meet the requirements of 3.2.1.
3.3.2 The charging system in Type-A battery swap station shall meet the following conditions:
1 The function and technical indicators of in-station charger can refer to the requirements of current industry standard NB/T 33001 Specification for Electric Vehicle off-Board Conductive Charger.
2 The in-station charger shall be properly arranged, and facilitate the ventilation and heat dissipation.
3 The in-station charger shall have the function of data communication with the monitoring system.
3.3.3 The battery pack swap system in the Type-A battery swap station shall meet the following conditions:
1 The battery pack shall have standard mechanical dimensions and electrical parameters.
2 The charging stand shall be matched with the battery pack; and achieve a safe and reliable connection with battery pack.
3 The charging stand shall have corresponding status indication and
communication interface; and have automatic alarm function.
4 The charging stand shall have a guiding function for the battery pack; and have limiting device for the battery pack.
5 The battery pack connector shall adopt the structure with electrical and electronic separation; and has a function of preventing mis-insertion.
6 The battery pack swap equipment shall have maximum power limit and anti-tip function.
7 Automatic and semi-automatic battery pack swap equipment shall have a manual emergency stop function.
3.3.4 The monitoring system in Type-A battery swap station shall meet the following conditions:
1 The monitoring system of battery swap station shall meet the requirements of 3.2.3.
the current national standard GB/T 28569 Electric Energy Metering for Electric Vehicle AC Charging Spot.
3.6.3 The metering between the off-board charger and electric vehicle shall conform to the current national standard GB/T 29318 Electric Energy Metering for Electric Vehicle off-Board Charger.
3.6.4 When taking the battery swap mode, the electric energy metering between the battery swap station and the electric vehicle user shall adopt corresponding metering mode according to the operation mode.
3.7 Safety and firefighting
3.7.1 The charging/battery swap infrastructure shall meet the firefighting requirements of current national standards GB 50016 Code of Design on Building Fire Protection and Prevention, GB 50140 Code for Design of Extinguisher Distribution in Buildings, and current industry standard DL 5027 Typical Extinguishing and Protection Regulation of Electrical Equipment.
3.7.2 The fire separation distance between the charging/battery swap infrastructure and other civil buildings (structures), various factories, warehouses, storage yards, storage tanks shall conform to the Class-D factory provisions of GB 50016. 3.7.3 Accident battery isolation measures shall be taken in the battery swap station. 3.7.4 The lightning protection design of the charging station and battery swap station shall conform to the relevant provisions of current national standard GB 50057 Design Code for Protection of Structures against Lightning.
3.7.5 The grounding of the AC electrical equipment shall conform to the relevant provisions of current industry standard DL/T 621 Grounding for AC Electrical Installations.
3.7.6 Take effective isolation measures, and set warning signs to prevent the unrelated personnel from entering the charging area and battery swap area.
3.8 Signs and identifications
3.8.1 The guiding signs and safety warning signs, etc. shall be set in a conspicuous position of the charging/battery swap infrastructure.
3.8.2 The necessary charging parameters and operating instructions shall be indicated in a conspicuous position of the charging equipment and battery swap equipment.

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