GB/T 20234.1-2023 PDF English
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| GB/T 20234.1-2023 | English | 805 |
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Connection set for conductive charging of electric vehicles - Part 1: General requirements
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| GB/T 20234.1-2015 | English | 485 |
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[Replaced by GB/T 20234.1-2023] Connection set for conductive charging of electric vehicles -- Part 1: General requirements
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| GB/T 20234.1-2011 | English | 285 |
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Connection set for conductive charging for electric vehicles -- Part 1: General requirements
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| GB/T 20234-2006 | English | RFQ |
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Electric vehicle conductive charging plugs and sockets, vehicle couplers and vehicle jack General requirements
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GB/T 20234.1-2023: Connection set for conductive charging of electric vehicles - Part 1: General requirements
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT20234.1-2023
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.040.99
CCS T 35
Replacing GB/T 20234.1-2015
Connection set for conductive charging of electric vehicles -
Part 1.General requirements
Issued on. SEPTEMBER 07, 2023
Implemented on. SEPTEMBER 07, 2023
Issued by. State Administration for Market Regulation;
Standardization Administration of the People's Republic of China.
Table of Contents
Foreword... 4
Introduction... 6
1 Scope... 7
2 Normative references... 7
3 Terms and definitions... 9
4 Symbols and abbreviations... 14
5 Rated values... 15
5.1 Rated voltage (preferred value)... 15
5.2 Rated current or duration maximum current (preferred value)... 15
6 Requirements... 16
6.1 General... 16
6.2 Charging connection set... 16
6.3 Charging coupler... 27
6.4 Charging cable... 37
6.5 In-cable device... 38
7 Test methods... 39
7.1 General provisions... 39
7.2 Appearance and structure... 40
7.3 Temperature cycling... 40
7.4 Alternating heat and humidity... 41
7.5 Grounding measures... 42
7.6 Insulation resistance and dielectric strength... 43
7.7 Connection of charging cable... 43
7.8 Thermal management system... 44
7.9 Liquid cooling device... 45
7.10 Temperature monitor... 47
7.11 Mechanical strength... 48
7.12 Limited short-circuit current withstand... 52
7.13 Vehicle crushing... 52
7.14 Type and size... 53
7.15 Locking device... 53
7.16 Switching elements... 57
7.17 Plug-in and pull-out force... 57
Connection set for conductive charging of electric vehicles -
Part 1.General requirements
1 Scope
This document specifies the technical requirements for voltage and current ratings,
appearance, structure, environmental adaptability, electrical performance, and
mechanical performance of connection set for conductive charging of electric vehicles.
It describes the test conditions, test methods, inspection items and other inspection
requirements for connection set for conductive charging of electric vehicles.
The document is applicable to AC charging connection set with a frequency of 50 Hz,
a rated voltage not exceeding AC 690 V, and a rated current not exceeding 250 A for
conductive charging of electric vehicles, as well as DC charging connection set with
rated voltage not exceeding DC 1500 V and rated current (duration maximum current)
not exceeding 1000 A.
This document does not apply to the charging connection set that uses standard plugs
and sockets that comply with GB/T 1002 and GB/T 2099.1 for the plug and socket-
outlet.
When the charging connection set specified in this document is used for electric
vehicles in special places such as water conservancy, mining, construction sites,
agricultural operations, or other fields other than road vehicles, additional requirements
may be required in terms of the installation location, operating conditions, usage
methods, environmental adaptability, etc. of the charging connection set.
2 Normative references
The following referenced documents are indispensable for the application 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 261, Determination of flash point -- Pensky-Martens closed cup method
GB/T 1002, Single phase plugs and socket-outlets for household and similar
purposes -- Types, basic parameters and dimensions
GB/T 2099.1, Plugs and socket-outlets for household and similar purposes -- Part
1.General requirements
erection of electrical equipment -- Earthing arrangements and protective conductors
GB/T 16935.1, Insulation coordination for equipment within low-voltage systems --
Part 1.Principles, requirements and tests
GB/T 18487.1, Electric vehicle conductive charging system -- Part 1.General
requirements
GB/T 19596, Terminology of electric vehicles
GB/T 20234.2, Connection set for conductive charging of electric vehicles -- Part 2.
AC charging coupler
GB/T 20234.3, Connection set for conductive charging of electric vehicles - Part 3.
DC charging coupler
GB/T 28046.3-2011, Road vehicles -- Environmental conditions and testing for
electrical and electronic equipment -- Part 3.Mechanical loads
GB/T 28046.4-2011, Road vehicles -- Environmental conditions and testing for
electrical and electronic equipment -- Part 4.Climatic loads
GB/T 28957.1, Road vehicles -- Test dust for filter evaluation -- Part 1.Silicon
dioxide test dust
GB/T 29317, Terminology of electric vehicle charging/battery swap infrastructure
GB/T 33594, Charging cables for electric vehicles
3 Terms and definitions
For the purposes of this document, the terms and definitions defined in GB/T 11918.1-
2014, GB/T 18487.1, GB/T 19596 and GB/T 29317 as well as the followings apply.
3.1 charging connection set
Components or devices that conductively connect electric vehicles to electric vehicle
charging equipment (or external power sources).
NOTE 1.It has the function of connecting and disconnecting circuits, as well as realizing the
transmission of electric energy, low-voltage auxiliary power supply, control signals or
communication data.
NOTE 2.Charging connection sets include charging couplers, charging cables, in-cable devices
and protective cap accessories. The schematic diagram of the charging connection set is shown in
Figure 1.
3.2 charging coupler
Components used to connect and disconnect the circuit connection between electric
vehicles and electric vehicle charging equipment (or external power sources).
NOTE. A part of the charging connection set, including the plug and socket-outlet and the vehicle
coupler.
3.3 plug and socket-outlet
It consists of a plug and a socket-outlet, and is a component that can connect cables to
electric vehicle charging equipment or external power sources.
NOTE. It corresponds to the plugs and socket-outlets in GB/T 11918.1-2014.
4 Symbols and abbreviations
The following symbols and abbreviations apply to this document.
A. ampere
V. volt
Hz. hertz
~ or AC. alternating current
or DC. direct current
L1, L2, L3.AC power phase wires
N. neutral line
. protective earth (PE)
DC+. DC power supply positive or battery positive pole
DC-. DC power supply negative or battery negative pole
CP. control guidance
CC. charging connection confirmation
S+. charging communication CAN_H
S-. charging communication CAN_L
A+. low voltage auxiliary power supply (e.g.. 12V+)
A-. low voltage auxiliary power supply negative (e.g.. 12V-)
IPXX (relevant numbers). IP code (protection level specified in GB/T 4208)
5 Rated values
5.1 Rated voltage (preferred value)
5.1.1 AC. 250 V, 440 V, 690 V.
5.1.2 DC. 400 V, 750 V, 1000 V, 1500 V.
5.1.3 Signal, control or low-voltage auxiliary power supply. DC 0 V ~ 30 V.
5.2 Rated current or duration maximum current (preferred value)
5.2.1 AC. 10 A, 16 A, 32 A, 63 A, 125 A, 250 A.
5.2.2 DC. 10 A, 16 A, 25 A, 32 A, 50 A, 80 A, 125 A, 200 A, 250 A, 300 A, 400 A, 500
A, 600 A, 800 A, 1000 A.
NOTE 1.The charging connection set achieves the duration maximum current when equipped with
a thermal management system that provides positive cooling.
NOTE 2.The duration maximum current of the charging connection set is affected by the cooling
conditions. When the cooling capacity is sufficient, the duration maximum current of the charging
connection set is greater than the optimal value.
NOTE 3.Rated current or duration maximum current is used for product shaping, performance
calibration, selection and matching of charging connection sets, and does not represent the actual
charging current.
NOTE 4.The short time (non-duration) maximum current allowed by the charging connection set
is usually greater than the rated current or the duration maximum current. When charging, the
charging current is adjusted in real time based on the thermal management system of the charging
connection set, contact temperature, surface temperature and other conditions.
5.2.3 Signal or control. DC 2 A.
5.2.4 Low-voltage auxiliary power supply. DC 10 A.
6 Requirements
6.1 General
6.1.1 Appropriate measures shall be taken for the charging connection set in material
selection, design, production, packaging, storage, transportation, installation, etc., so
that the product has normal functions and meets the expected use needs.
6.1.2 Charging connection sets shall have appropriate product performance. When used
in normal operation, the product shall work normally during its normal life span. When
misused, the product shall not cause leakage, short circuit, fire or other safety accidents.
It shall not cause harm or adverse effects to surrounding people, vehicles, equipment
and the environment. When charging equipment or electric vehicles experience
overload, short circuit or other faults in the charging circuit, it shall not cause serious
accidents such as melting or burning of the charging connection set.
6.1.3 The charging connection set shall comply with the climatic and environmental
conditions of the charging site. Product durability shall meet the application
requirements of electric vehicles and charging equipment.
6.1.4 The charging connection set shall be easy for personnel to operate and use,
facilitate regular maintenance and maintenance, and meet the needs of product use
management such as recycling and storage of electric vehicles and charging equipment.
6.1.5 The charging connection set shall adopt appropriate structure and measures. Avoid
dismantling or modifying it by non-professionals unless it is seriously damaged.
7 Test methods
7.1 General provisions
7.1.1 Test conditions
Unless otherwise required, all tests shall be conducted under the following
environmental conditions.
a) Ambient temperature. 20℃±5℃;
b) Relative humidity. 15%~90%;
c) Atmospheric pressure. 86 kPa ~ 106 kPa.
7.1.2 Test equipment
All test instruments and equipment shall have sufficient accuracy. Its accuracy shall be
at least one order of magnitude higher than the accuracy of the measured indicator or
the error shall be less than one-third of the allowable error of the measured parameter.
7.1.3 Test subjects
7.1.3.1 Charging connection sets or related components (such as vehicle inlets, cable
assemblies, electronic locking devices, in-cable device or contacts, etc.) can be used as
test objects. The product specimen status provided by the manufacturer will be used as
the test object by default. Relevant tests will be carried out, unless otherwise specified.
7.1.3.2 In the tests related to the charging coupler, the reference test tool of the plug,
socket-outlet, vehicle connector or vehicle inlet shall be used. The test shall be carried
out after being plugged into the test object, respectively. The reference test tool shall
not affect the test results of the specimen. The contact surface of the reference test tool
shall have a silver or silver alloy coating containing at least 95% silver as required by
ISO 4521.2008, with a coating thickness of at least 5 μm. Among them, the hardness of
the surface coating of the plug shall be at least 70 HV. The coating thickness shall be at
least 8 μm. The surface roughness Ra shall not be greater than 1.0 μm.
NOTE. If the test object is only a vehicle inlet, the specimen cannot be independently tested related
to the charging coupler. According to the nominal parameters of the specimen, select a matching
cable assembly with a vehicle connector as a reference test tool for testing.
7.1.3.3 For charging coupler-related tests that require the participation of charging
cables, the charging coupler test shall be performed after connecting the charging cable.
If the specimen provided by the manufacturer includes a charging cable, the charging
cable and charging coupler will be jointly used as the test object by default. If the cross-
sectional area and other wiring requirements of the charging cable meet the
requirements of the test project, the charging cable may not be used as a test object. If
the specimen provided by the manufacturer does not include the charging cable, the
manufacturer shall provide the test cable and complete the wiring.
7.2 Appearance and structure
Inspect the appearance and structure of the charging connection set through visual
observation or manual testing.
7.3 Temperature cycling
7.3.1 Temperature shock
The charging connection set shall undergo a temperature shock test in accordance with
the requirements of 5.3.2 in GB/T 28046.4-2011.The test set the high temperature to
85°C and the low temperature to -30°C. The exposure duration is 20 min. The number
of cycles is 100.
7.3.2 High and low temperature tolerance
High and low temperature endurance test using 3 charging connection sets.
a) Carry out the initial temperature rise test according to the requirements of 7.24.
Record the temperature rise value;
b) Conduct temperature cycle test according to method Na of GB/T 2423.22.Some
test parameters are as follows.
1) High temperature. 125℃;
2) Low temperature. -40℃;
3) Temperature exposure duration. 30 min;
4) Conversion time. no more than 3 min;
5) Number of cycles. 10 times.
c) After the charging connection set returns to ambient temperature, conduct a final
temperature rise test according to the requirements of 7.24.Record the
temperature rise value.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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