GB 39752-2024 Safety requirements of electric vehicle conductive supply equipment
1 Scope
This document specifies requirements for safety elements, establishes general test rules, and describes corresponding test methods for EV energy transfer equipment (hereinafter referred to as "energy transfer equipment").
Note: The independent electrical accessories and auxiliary materials(such as connecting devices, cables, and insulating materials) of energy transfer equipment shall comply with the specific product standards in conjunction with this document.
This document is applicable to all types of energy transfer equipment with rated output voltage of 1,000VAC or 1,500VDC and below, including energy transfer equipment in mode 2, mode 3 and mode 4.
This document does not involve the following:
——Functional and performance requirements of energy transfer equipment unrelated to safety;
——Information security requirements;
——Safety requirements related to transport packaging and improper use;
——Safety requirements arising from vandalism and other purposeful acts;
——Safety requirements for energy transfer equipment with discharge function;
——Safety requirements for automatic charging, top-contact charging and other energy transfer equipment.
2 Normative references
The following documents contain requirements 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 2423.1 Environmental testing for electric and electronic products - Part 2: Test methods - Tests A: Cold
GB/T 2423.2 Environmental testing for electric and electronic products - Part 2: Test methods - Tests B: Dry heat
GB/T 2423.4 Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12h+12h cycle)
GB/T 2423.17 Environmental testing for electric and electronic products - Part 2: Test methods - Test Ka: Salt mist
GB/T 2423.55-2023 Environmental testing - Part 2: Test methods - Test Eh: Hammer tests
GB 2894 Safety signs and guideline for the use
GB/T 4208 Degrees of protection provided by enclosure (IP code)
GB/T 5169.11 Fire hazard testing for electric and electronic products - Part 11: Glowing/hot-wire based test methods - Glow-wire flammability test method for end-products (GWEPT)
GB/T 5169.21 Fire hazard testing for electric and electronic products - Part 21: Abnormal heat - Ball pressure test method
GB/T 12113 Methods of measurement of touch current and protective conductor current
GB/T 14048.2 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
GB/T 16422.2 Plastics - Methods of exposure to laboratory light sources - Part 2: Xenon-arc sources
GB/T 16895.21 Low-voltage electrical installations - Part 4-41: Protection for safety - Protection against electric shock
GB/T 16916.1 Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCB) - Part 1: General rules
GB/T 16917.1 Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBOs) - Part 1: General rules
GB/T 16935.1-2023 Insulation coordination for equipment within low-voltage supply systems - Part 1: Principles, requirements and tests
GB/T 18487.1-2023 Electric vehicle conductive charging system - Part 1: General requirements
GB/T 18487.2 Electric vehicle conductive charging system - Part 2: EMC requirements for off-board electric vehicle supply equipment
GB/T 20138 Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code)
GB/T 22794 Type F and type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses
GB/T 29317-2021 Terminology of electric vehicle charging/battery swap infrastructure
GB/T 41589-2022 In-cable control and protection device for mode 2 charging of electric road vehicles (IC-CPD)
GB 44263-2024 Safety requirements for electric vehicle conductive charging system
GB 50016 Code for fire protection design of buildings
GB 50054 Code for design of low voltage electrical installations
GB 50067 Code for fire protection design of garage, motor repair shop and parking area
GB 50217 Standard for design of cables of electric power engineering
GB 55037 General specification for building fire protection
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 18487.1-2023 and GB/T 29317-2021 as well as the following apply.
3.1
EV energy transfer equipment
equipment connected between an electric vehicle and a supply network (power supply) to realize energy flow
[Source: GB/T 18487.1-2023, 3.1.6, modified]
3.2
enclosure
housing affording the type and degree of protection suitable for the intended application
Note: It includes equipment component used to minimize the spread of fire or flame inside the equipment; mechanical component used to reduce the hazard of injury caused by mechanical hazards and other physical hazards; equipment component used to limit contact with parts and components that may have hazardous voltage or hazardous energy level; a component of equipment that has one or more of the above functions.
[Source: GB 4943.1-2022, 3.3.2.2, modified]
Foreword II 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols and abbreviations 5 Requirements for safety elements 6 General principles for tests 7 Test methods 8 Implementation of this standard Annex A (Normative) Installation of EV energy transfer equipment Bibliography
