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NB/T 33002-2010 (NBT 33002-2010)

Chinese Standard: 'NB/T 33002-2010'
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Standard ID NB/T 33002-2010 (NB/T33002-2010)
Description (Translated English) Specification for electric vehicle AC charging point
Sector / Industry Energy Industry Standard (Recommended)
Classification of Chinese Standard K81
Classification of International Standard 29.200
Word Count Estimation 7,786
Date of Issue 2010-05-24
Date of Implementation 2010-10-01
Quoted Standard GB/T 18487.1-2001; GB/T 20234; GB 4208-2008; GB/T 4797.6-1995; GB 7251.1-2005
Drafting Organization China Southern Power Grid Co., Ltd.
Administrative Organization Energy industry electric vehicle charging facilities for Standardization Technical Committee
Regulation (derived from) ?National Energy Board Announcement 2010 No.1
Summary This standard specifies the charging of electric vehicles traffic pile (hereinafter referred to as charging piles) basic structure, functional requirements, technical requirements, pilot projects, product information and other requirements. This standard applies to the use of charging pile Selection conduction charging, configuration and testing.

NB/T 33002-2010
ICS 29.200
K 81
Energy Industry Standard
of the People’s Republic of China
Specification for electric vehicle A.C charging point
ISSUED ON. MAY 24, 2010
Issued by. National Energy Administration
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 4 
4 General principles ... 5 
5 Basic constitution ... 5 
6 Functional requirements ... 5 
7 Technical requirements ... 6 
8 Inspection and test items ... 9 
9 Marks ... 11 
This Standard was proposed by China Electricity Council.
This Standard shall be under the jurisdiction of the National Technical
Committee for Standardization of the Electric Vehicle Charging Facilities in the
Energy Industry.
Drafting organizations of this Standard. China Southern Power Grid Co., Ltd,
Electric Power Research Institute of Guangdong Power Grid Corporation,
China Electric Power Research Institute, Shenzhen Power Supply
Administration, State Grid Electric Power Research Institute, Xuji Power Supply
Co., Ltd, Zhejiang Electric Power Company, and North China Grid Company
Main drafters of this Standard. Sun Weiming, Yu Jianguo, Huang Zhiwei, Li Fei,
Li Wufeng, Wu Shangjie, Luo Xiaoying, Qiu Ye, Yu Zhaorong, Jiang Hao, Zhu
Jinda, Ni Feng, Chen Liangliang, Dong Xinsheng, Yu Wenbin, Huo Junchao,
Nie Liang, Chen Xinqi, and Ye Xin.
The comments or suggestions generated during the execution of this Standard
shall be fed back to the Standardization Center of China Electricity Council (No.
1, 2nd Lane, Baiguang Road, Beijing, 100761).
Specification for electric vehicle A.C charging point
1 Scope
This Standard specifies the basic constitution, functional requirements,
technical requirements, test items, product information, and other aspects of
electric vehicle A.C charging points (hereinafter referred to as “charging points”).
This Standard applies to the model selection, configuration and inspection of
conductive charging points.
2 Normative references
The following documents are essential to the application of this Standard. For
dated references, only the versions with the dates indicated are applicable to
this Standard. For undated references, only the latest versions (including all the
amendments) are applicable to this Standard.
GB/T 18487.1-2001 Electric vehicle conductive charging system – Part 1.
General requirements
GB/T 20234 Plugs, socket outlets, vehicle couplers and vehicle inlets for
conductive charging of electric vehicles – General requirements
GB 4208-2008 Degrees of protection provided by enclosure (IP code)
GB/T 4797.6-1995 Environmental conditions appearing in nature for electric
and electronic products – Dust, sand, salt mist
GB 7251.1-2005 Low-voltage switchgear and controlgear assemblies – Part
1. Type-tested and partially type-tested assemblies
3 Terms and definitions
The following terms and definitions are applicable to this Standard.
3.1 On-board charger
The on-board chargers refer to the chargers that are fixedly mounted on the
electric vehicles for operation.
3.2 AC charging spot
The AC charging spots refer to the conductive power supply units that are
specially used for providing AC power supply for the electric vehicles with on-
board chargers.
4 General principles
4.1 The charging spots shall provide safe and reliable AC power supply for the
on-board chargers.
4.2 The charging spots shall be operated in a safe, simple and reliable way.
5 Basic constitution
The charging spots are composed of piles, electrical modules, metering
modules, etc. The electrical modules and metering modules shall be installed
inside the piles. The piles include shells and man-machine interactive interfaces.
The electrical modules include charging sockets, cable terminal blocks, safety
protection devices, etc.
6 Functional requirements
6.1 Man-machine interactive function
6.1.1 Display function
The charging spots shall display the relevant information in each state. The
display characters shall be clear and integrated without any defects.
Furthermore, the display characters shall be possessed of high contrast, and
shall not be identified by means of the ambient light.
6.1.2 Input function
The charging parameters of the charging spots shall be manually set.
6.2 Metering function
The charging spots shall be capable of metering the electric energy output.
6.3 External communication
The charging spots shall be possessed of relevant interfaces for external
6.4 Software upgrading
60 < Ui ≤ 300 2.0 5
7.4.3 Electromagnetic compatibility
The electromagnetic compatibility of charging spots shall meet the
requirements specified in the Article 7.10 of the GB 7251.1-2005.
7.5 Safety requirements
The safety requirements of charging spots include the following contents.
a) The shells made of non-insulating materials shall be grounded in a reliable
b) The charging spots shall be equipped with load-carrying separable circuits;
c) The charging spots shall be equipped with power leakage protectors;
d) The charging spots shall be equipped with overcurrent protectors;
e) The charging spots shall have the function of lightning protection;
f) The charging spots shall be equipped with emergency stop switches.
8 Inspection and test items
SEE Table 2 for the exit-factory test and the type test. As shown in the table,
the items with “√” shall be considered as test items, while the items with “-” shall
be considered as conditional test items.
Table 2 Inspection and Test Items
Serial No. Test Items Type Test Exit-factory Test
1 General Inspection √ √
2 Insulation Resistance √ √
3 Power-frequency Voltage-withstand Test √ √
4 Impulse Voltage Withstand Test √ -
5 Protection Level Test √ -
6 Electromagnetic Compatibility Test √ -
8.1 General inspection
The general inspection includes the following contents.
a) The structure of charging spots shall meet the requirements specified in
the Articles 7.3 and 7.5 of this Standard;
b) The functions of charging spots shall meet the requirements specified in
the Article 6 of this Standard.
8.2 Insulation resistance
The insulation resistance test shall be conducted according to the requirements
specified in the Article 8.3.4 of the GB 7251.1-2005. The results shall comply
with the requirements specified in the Article of this Standard.
8.3 Power-frequency voltage-withstand test
The energized circuits in the charging spots shall be able to be conducted with
the power-frequency voltage-withstand test for 1min specified in Table 1. There
shall be no insulation breakdown or flashover during the test.
The test sites are as follows.
a) Between the energized circuits without electrical connection;
b) Between the independent energized circuits and the ground (metal
c) Between the DC bus bar and the small voltage bus bar in the cabinet,
grounded at the time of disconnecting all other connecting sub-circuits.
8.4 Impulse voltage withstand test
According to the provisions specified in Table 1, respectively APPLY the short-
time impulse voltage with positive polarity and negative polarity lightning waves
between the energized circuits in the charging spots and the ground (metal
frames) for 3 times. The interval time for each time shall not be less than 5s.
There shall be no disruptive discharge during the test.
8.5 Protection test
The protection test includes the following contents.
a) Dustproof test. The dustproof test shall be ......
Related standard: NB/T 33002-2018    NB/T 33001-2018