GB 46519-2025 Minimum allowable values of energy efficiency and energy efficiency grades for electric vehicle power supply equipment
1 Scope
This standard specifies the energy efficiency grades, minimum allowable values of energy efficiency and test methods for electric vehicle power supply equipment.
This document is applicable to off-board conductive power supply equipment with current control and/or voltage control, with rated voltage not exceeding 1000V (AC) on the power supply network side and 1000V(AC) or 1500V(DC) on the electric vehicle side, including DC power supply equipment (mode 4, connection mode C) and AC power supply equipment (mode 3, connection mode B or C).
This document does not apply to:
- Power supply equipment with the power supply network side providing DC power supply only;
- In-cable control and protection device for mode 2 charging of electric road vehicles (IC-CPD);
- AC/DC integrated power supply equipment;
- Integrated charging and storage equipment that does not have charging function after the energy storage function is disabled;
- Automatic charging and top or bottom contact charging power supply equipment.
Note: See GB/T 18487.1 for the definitions of mode 2, mode 3, mode 4 and connection modes B and C.
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 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
GB/T 18487.1 Electric vehicle conductive charging system - Part 1 : General requirements
GB/T 29317 Terminology of electric vehicle charging/battery swap infrastructure
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 18487.1 and GB/T 29317 and the following apply.
3.1
integrated DC power supply equipment
power supply equipment that the power conversion unit, charging terminal function related components and other components are placed in a cabinet (box) to form an integrated structure
3.2
split type DC power supply equipment
DC power supply equipment that structurally separates the power cabinet containing the power conversion unit from the charging terminal and connects them through cables
3.2.1
charging power unit
part of split type DC power supply equipment used for power conversion control
Note: It usually consists of power conversion unit (charging module), power supply input, control components and cooling system. Some products include output switch unit, temperature, humidity and smoke detection components, etc.
3.2.2
charging terminal
component of off-board conductive power supply equipment that the charging operator needs to face and operate when charging an electric vehicle
Note: It is usually composed of charging cable, vehicle plug, human-computer interaction interface and metering components, and some products also include communication and control components, etc.
3.3
operation mode
working state that the power supply equipment is connected with the electric vehicle, and they are in the in the process of energy transmission
3.4
charging efficiency
ratio of the electric energy at the output port of power supply equipment to the electric energy at the input port of power supply side
3.5
operation power
difference between the input active power and the output active power when the power supply equipment is in operation mode
3.6
standby mode
state that the power supply equipment only retains basic functions such as background communication and state indicator lights when there is no vehicle charging and personnel operation
[Source: NB/T 33002- 2018. 3.5, modified]
3.7
standby power
AC input active power when the power supply equipment is in operation mode
[Source: NB/T 33002-2018. 3.6, modified]
3.8
minimum allowable values of energy efficiency for DC power supply equipment
minimum allowable value of charging efficiency of DC power supply equipment and maximum allowable value of operating power consumption and/or standby power consumption, under the specified test conditions
Forword Ⅲ
1 Scope
2 Normative references
3 Terms and definitions
4 Efficiency grades
5 Minimum allowable values of energy efficiency
6 Test method
7 Standard implementation
Annex A (Normative) Test method for energy efficiency of DC power supply equipment
Annex B (Normative) Test method for standby power consumption of AC power supply equipment
Bibliography
GB 46519-2025 Minimum allowable values of energy efficiency and energy efficiency grades for electric vehicle power supply equipment
1 Scope
This standard specifies the energy efficiency grades, minimum allowable values of energy efficiency and test methods for electric vehicle power supply equipment.
This document is applicable to off-board conductive power supply equipment with current control and/or voltage control, with rated voltage not exceeding 1000V (AC) on the power supply network side and 1000V(AC) or 1500V(DC) on the electric vehicle side, including DC power supply equipment (mode 4, connection mode C) and AC power supply equipment (mode 3, connection mode B or C).
This document does not apply to:
- Power supply equipment with the power supply network side providing DC power supply only;
- In-cable control and protection device for mode 2 charging of electric road vehicles (IC-CPD);
- AC/DC integrated power supply equipment;
- Integrated charging and storage equipment that does not have charging function after the energy storage function is disabled;
- Automatic charging and top or bottom contact charging power supply equipment.
Note: See GB/T 18487.1 for the definitions of mode 2, mode 3, mode 4 and connection modes B and C.
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 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
GB/T 18487.1 Electric vehicle conductive charging system - Part 1 : General requirements
GB/T 29317 Terminology of electric vehicle charging/battery swap infrastructure
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 18487.1 and GB/T 29317 and the following apply.
3.1
integrated DC power supply equipment
power supply equipment that the power conversion unit, charging terminal function related components and other components are placed in a cabinet (box) to form an integrated structure
3.2
split type DC power supply equipment
DC power supply equipment that structurally separates the power cabinet containing the power conversion unit from the charging terminal and connects them through cables
3.2.1
charging power unit
part of split type DC power supply equipment used for power conversion control
Note: It usually consists of power conversion unit (charging module), power supply input, control components and cooling system. Some products include output switch unit, temperature, humidity and smoke detection components, etc.
3.2.2
charging terminal
component of off-board conductive power supply equipment that the charging operator needs to face and operate when charging an electric vehicle
Note: It is usually composed of charging cable, vehicle plug, human-computer interaction interface and metering components, and some products also include communication and control components, etc.
3.3
operation mode
working state that the power supply equipment is connected with the electric vehicle, and they are in the in the process of energy transmission
3.4
charging efficiency
ratio of the electric energy at the output port of power supply equipment to the electric energy at the input port of power supply side
3.5
operation power
difference between the input active power and the output active power when the power supply equipment is in operation mode
3.6
standby mode
state that the power supply equipment only retains basic functions such as background communication and state indicator lights when there is no vehicle charging and personnel operation
[Source: NB/T 33002- 2018. 3.5, modified]
3.7
standby power
AC input active power when the power supply equipment is in operation mode
[Source: NB/T 33002-2018. 3.6, modified]
3.8
minimum allowable values of energy efficiency for DC power supply equipment
minimum allowable value of charging efficiency of DC power supply equipment and maximum allowable value of operating power consumption and/or standby power consumption, under the specified test conditions
Contents of GB 46519-2025
Forword Ⅲ
1 Scope
2 Normative references
3 Terms and definitions
4 Efficiency grades
5 Minimum allowable values of energy efficiency
6 Test method
7 Standard implementation
Annex A (Normative) Test method for energy efficiency of DC power supply equipment
Annex B (Normative) Test method for standby power consumption of AC power supply equipment
Bibliography
