GB/T 18487.4-202X Electric vehicle conductive charging and discharging system -Part 4: Discharging requirements for electric vehicle (Draft for comments) (English Version)
Electric vehicle conductive charging and discharging system - Part 4: Discharging requirements for electric vehicle
1 Scope
This document specifies the classification, general requirements, communication, connection requirements, safety requirements, environmental requirements and other requirements of electric vehicle conductive discharging system.
This document is applicable to electric vehicles with discharging function that discharge outside through the vehicle charging coupler. The rated output voltage of external discharging shall not exceed single-phase 250V or three-phase 440V in AC discharging and not exceed 1,000V in DC discharging.
This document is not applicable to the discharging through the internal discharging coupler of the vehicle, such as through cigarette burner, USB interface, and inlet confirming to GB/T 1002.
This document is not applicable to the power supply for special electrical equipment such as medical devices.
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 191 Packaging - Pictorial marking for handling of goods
GB/T 1002-2008 Single phase plugs and socket-outlets for household and similar purposes - Types, basic parameters and dimensions
GB/T 1003-2016 Three phases 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
GB/T 2900.33 Electrotechnical terminology - Power electronics
GB/T 14549-1993 Quality of electric energy supply - Harmonics in public supply network
GB 18384-2020 Electric vehicles safety requirements
GB/T 18487.1-2015 Electric vehicle conductive charging system - Part 1: General requirements
GB/T 19596 Terminology of electric vehicles
GB/T 20234.1-2015 Connection set for conductive charging of electric vehicles - Part 1: General requirements
GB/T 20234.2-2015 Connection set for conductive charging of electric vehicles - Part 2: AC charging coupler
GB/T 20234.3-2015 Connection set for conductive charging of electric vehicles - Part 3: DC charging coupler
GB/T 38661-2020 Technical specifications of battery management system for electric vehicles
GB/T XXXXX Conductive on-board charger for electric vehicles
GB/T XXXXX Safety requirements of conductive charging for electric vehicles
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 2900.33, GB/T 18487.1, GB/T 19596 and GB/T 20234.1 as well as the following apply.
3.1
discharging equipment
equipment that transfers electrical energy from a traction battery to a load or grid in a conductive or wireless manner, of which, the grid or load includes public grid, building power supply and distribution system, home power supply and distribution system, electric vehicle traction battery, electrical load, etc.
3.2
charging and discharging equipment
equipment connected between an electric vehicle or traction battery and a grid (or load) to realize dual energy flow
[GB/T 29317-2021, Definition 2.4]
3.3
vehicle to X; V2X
operation mode in which electric vehicle REESS is connected with grid or load through charging and discharging equipment, and participates in power supply as energy storage unit, of which, the grid or load includes public grid, building power supply and distribution system, home power supply and distribution system, electric vehicle traction battery, electrical load, etc.
[GB/T 29317-2021, Definition 9.1]
3.4
vehicle to load; V2L
operation mode in which the traction battery of electric vehicle is interconnected with load through the charging and discharging equipment and supplies power to load as energy storage unit
[GB/T 29317-2021, Definition 9.1.5]
3.5
vehicle to vehicle; V2V
operation mode in which the electric vehicle is connected with another electric vehicle through charging and discharging equipment to supply power to that electric vehicle
[GB/T 29317-2021, Definition 9.1.4]
3.6
vehicle to grid; V2G
operation mode in which electric vehicle traction battery is connected with public grid through charging and discharging equipment and participates in power supply of public grid as energy storage unit to realize bi-directional energy flow
[GB/T 29317-2021, Definition 9.1.1]
3.7
vehicle to building; V2B
operation mode in which electric vehicle traction battery is connected with building power supply and distribution system through charging and discharging equipment and participates in building power supply as energy storage unit to realize bi-directional energy flow
[GB/T 29317-2021, Definition 9.1.2]
3.8
vehicle to home; V2H
operation mode in which electric vehicle traction battery is connected with home power supply and distribution system through charging and discharging equipment and participates in home power supply as energy storage unit to realize bi-directional energy flow
[GB/T 29317-2021, Definition 9.1.3]
3.9
discharging vehicle
electric vehicle that provides AC and DC power supply to the outside through vehicle coupler
3.10
bi-directional on board charger
on board charger with inverter function
3.11
conductive connection assembly
movable conductive connection assembly which includes cables and vehicle connectors and may also include cable control box and standard socket-outlet, and can used to connect discharging vehicle with grid or load
4 Classification
4.1 By output characteristics
The electric vehicle conductive discharging system may be classified as follows according to the type of current output by the discharging vehicle:
Foreword i
Introduction ii
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 General requirements
6 Communication
7 Requirements for conductive connection assemblies
8 Special requirements for electrical loads
9 Other safety requirements for discharging vehicle
10 Environmental requirements
11 Marking and instructions
Annex A (Normative) Control pilot circuit and control principle for AC V2L discharging mode
Annex B (Informative) Control pilot circuit and control principle for AC V2V discharging mode
Annex C (Normative) Control pilot circuit and control principle for DC V2L discharging mode
Annex D (Normative) Control pilot circuit and control principle for DC V2V discharging mode
Annex E (Normative) Control pilot circuit and control principle for DC V2G discharging mode
Annex F (Normative) DC V2L and V2G communication protocol
GB/T 18487.4-202X Electric vehicle conductive charging and discharging system -Part 4: Discharging requirements for electric vehicle (Draft for comments) (English Version)
Standard No.
GB/T 18487.4-202X
Status
valid
Language
English
File Format
PDF
Word Count
28000 words
Price(USD)
1100.0
Implemented on
Delivery
via email in 1 business day
Detail of GB/T 18487.4-202X
Standard No.
GB/T 18487.4-202X
English Name
Electric vehicle conductive charging and discharging system -Part 4: Discharging requirements for electric vehicle (Draft for comments)
Electric vehicle conductive charging and discharging system - Part 4: Discharging requirements for electric vehicle
1 Scope
This document specifies the classification, general requirements, communication, connection requirements, safety requirements, environmental requirements and other requirements of electric vehicle conductive discharging system.
This document is applicable to electric vehicles with discharging function that discharge outside through the vehicle charging coupler. The rated output voltage of external discharging shall not exceed single-phase 250V or three-phase 440V in AC discharging and not exceed 1,000V in DC discharging.
This document is not applicable to the discharging through the internal discharging coupler of the vehicle, such as through cigarette burner, USB interface, and inlet confirming to GB/T 1002.
This document is not applicable to the power supply for special electrical equipment such as medical devices.
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 191 Packaging - Pictorial marking for handling of goods
GB/T 1002-2008 Single phase plugs and socket-outlets for household and similar purposes - Types, basic parameters and dimensions
GB/T 1003-2016 Three phases 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
GB/T 2900.33 Electrotechnical terminology - Power electronics
GB/T 14549-1993 Quality of electric energy supply - Harmonics in public supply network
GB 18384-2020 Electric vehicles safety requirements
GB/T 18487.1-2015 Electric vehicle conductive charging system - Part 1: General requirements
GB/T 19596 Terminology of electric vehicles
GB/T 20234.1-2015 Connection set for conductive charging of electric vehicles - Part 1: General requirements
GB/T 20234.2-2015 Connection set for conductive charging of electric vehicles - Part 2: AC charging coupler
GB/T 20234.3-2015 Connection set for conductive charging of electric vehicles - Part 3: DC charging coupler
GB/T 38661-2020 Technical specifications of battery management system for electric vehicles
GB/T XXXXX Conductive on-board charger for electric vehicles
GB/T XXXXX Safety requirements of conductive charging for electric vehicles
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 2900.33, GB/T 18487.1, GB/T 19596 and GB/T 20234.1 as well as the following apply.
3.1
discharging equipment
equipment that transfers electrical energy from a traction battery to a load or grid in a conductive or wireless manner, of which, the grid or load includes public grid, building power supply and distribution system, home power supply and distribution system, electric vehicle traction battery, electrical load, etc.
3.2
charging and discharging equipment
equipment connected between an electric vehicle or traction battery and a grid (or load) to realize dual energy flow
[GB/T 29317-2021, Definition 2.4]
3.3
vehicle to X; V2X
operation mode in which electric vehicle REESS is connected with grid or load through charging and discharging equipment, and participates in power supply as energy storage unit, of which, the grid or load includes public grid, building power supply and distribution system, home power supply and distribution system, electric vehicle traction battery, electrical load, etc.
[GB/T 29317-2021, Definition 9.1]
3.4
vehicle to load; V2L
operation mode in which the traction battery of electric vehicle is interconnected with load through the charging and discharging equipment and supplies power to load as energy storage unit
[GB/T 29317-2021, Definition 9.1.5]
3.5
vehicle to vehicle; V2V
operation mode in which the electric vehicle is connected with another electric vehicle through charging and discharging equipment to supply power to that electric vehicle
[GB/T 29317-2021, Definition 9.1.4]
3.6
vehicle to grid; V2G
operation mode in which electric vehicle traction battery is connected with public grid through charging and discharging equipment and participates in power supply of public grid as energy storage unit to realize bi-directional energy flow
[GB/T 29317-2021, Definition 9.1.1]
3.7
vehicle to building; V2B
operation mode in which electric vehicle traction battery is connected with building power supply and distribution system through charging and discharging equipment and participates in building power supply as energy storage unit to realize bi-directional energy flow
[GB/T 29317-2021, Definition 9.1.2]
3.8
vehicle to home; V2H
operation mode in which electric vehicle traction battery is connected with home power supply and distribution system through charging and discharging equipment and participates in home power supply as energy storage unit to realize bi-directional energy flow
[GB/T 29317-2021, Definition 9.1.3]
3.9
discharging vehicle
electric vehicle that provides AC and DC power supply to the outside through vehicle coupler
3.10
bi-directional on board charger
on board charger with inverter function
3.11
conductive connection assembly
movable conductive connection assembly which includes cables and vehicle connectors and may also include cable control box and standard socket-outlet, and can used to connect discharging vehicle with grid or load
4 Classification
4.1 By output characteristics
The electric vehicle conductive discharging system may be classified as follows according to the type of current output by the discharging vehicle:
Contents of GB/T 18487.4-202X
Foreword i
Introduction ii
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 General requirements
6 Communication
7 Requirements for conductive connection assemblies
8 Special requirements for electrical loads
9 Other safety requirements for discharging vehicle
10 Environmental requirements
11 Marking and instructions
Annex A (Normative) Control pilot circuit and control principle for AC V2L discharging mode
Annex B (Informative) Control pilot circuit and control principle for AC V2V discharging mode
Annex C (Normative) Control pilot circuit and control principle for DC V2L discharging mode
Annex D (Normative) Control pilot circuit and control principle for DC V2V discharging mode
Annex E (Normative) Control pilot circuit and control principle for DC V2G discharging mode
Annex F (Normative) DC V2L and V2G communication protocol