GB/T 44638-2024 PDF English
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Specification for interaction between energy internet and electric vehicle
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GB/T 44638-2024: Specification for interaction between energy internet and electric vehicle---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/GBT44638-2024
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 29.240.01
CCS F 10
Specification for Interaction between Energy Internet and
Electric Vehicle
ISSUED ON: SEPTEMBER 29, 2024
IMPLEMENTED ON: APRIL 1, 2025
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 4
4 General Requirements ... 6
5 Interaction Requirements ... 6
6 Energy Interaction ... 7
7 Information Interaction ... 9
8 Business Interaction ... 10
9 Verification Methods ... 12
Appendix A (informative) Typical Architecture of the Interaction between Energy
Internet and Electric Vehicle ... 14
Appendix B (informative) Typical Application Scenario the Interaction between Energy
Internet and Electric Vehicle ... 17
Appendix C (informative) Typical Interaction Information of the Information
Interaction between Energy Internet and Electric Vehicle ... 20
Bibliography ... 25
Specification for Interaction between Energy Internet and
Electric Vehicle
1 Scope
This document specifies the general requirements, interaction requirements, energy interaction,
information interaction, business interaction and verification methods for the interaction
between energy internet and electric vehicle.
This document is applicable to the planning, construction and operation of the interaction
between energy internet and electric vehicle.
2 Normative References
The contents of the following documents constitute indispensable clauses of this document
through the normative references in the text. In terms of references with a specified date, only
versions with a specified date are applicable to this document. In terms of references without a
specified date, the latest version (including all the modifications) is applicable to this document.
GB 17859 Classified Criteria for Security Protection of Computer Information System
GB/T 19596 Terminology of Electric Vehicles
GB/T 22239 Information Security Technology - Baseline for Classified Protection of
Cybersecurity
GB/T 22240 Information Security Technology - Classification Guide for Classified Protection
of Cybersecurity
GB/T 32960.3 Technical Specifications of Remote Service and Management System for
Electric Vehicles - Part 3: Communication Protocol and Data Format
GB/T 40855 Technical Requirements and Test Methods for Cybersecurity of Remote Service
and Management System for Electric Vehicles
GB/Z 41237-2022 Energy Internet System - Terms
IEC 61970 (all parts) Energy Management System Application Program Interface (EMS-API)
3 Terms and Definitions
The terms and definitions defined in GB/T 19596 and GB/Z 41237-2022, and the following are
applicable to this document.
4 General Requirements
4.1 The typical architecture of the interaction between energy internet and electric vehicle is
shown in Appendix A.
4.2 The energy interaction between energy internet and electric vehicle shall be able to
participate in energy transaction, demand response, distributed power sources and microgrid
interaction, peak shifting and valley filling, grid frequency regulation, voltage regulation, power
regulation and power support, etc.
4.3 The information interaction between energy internet and electric vehicle shall have the
ability to interact between the device layer and the information layer, between the information
layer and the application layer, and between application layer system platforms, and have the
ability to store, process and analyze information.
4.4 The business interaction between energy internet and electric vehicle shall include the
following business interaction scenarios: the application for electricity use of charging and
discharging facilities, the operation and maintenance of charging and discharging facilities, the
orderly charging and battery swapping services between energy internet and electric vehicle,
the orderly discharge services, energy transaction, demand response, information push and
analysis services, etc.
4.5 The interaction between energy internet and electric vehicle shall on the premise of safety
and controllability, improve social, economic and environmental benefits, and meanwhile,
ensure the safety of people, equipment, information, etc.
4.6 Before electric vehicles are connected to the energy internet, electric vehicle users and
energy internet operators and managers shall sign a grid-connected dispatching agreement or
an energy internet and electric vehicle interaction contract with the energy internet platform in
accordance with the principles of real-time monitoring, unified dispatching, hierarchical
management and energy efficiency optimization.
4.7 The interaction between energy internet and electric vehicle shall give priority to the local
utilization of distributed new energy on the basis of satisfying the interaction demands of
electric vehicle users.
5 Interaction Requirements
5.1 The interested parties participating in the interaction between energy internet and electric
vehicle may include local power supply departments, charging and discharging facility
operators, third-party energy management service providers and other energy internet operators
and managers, electric vehicle charging and discharging facilities, and electric vehicle users.
5.2 Local power supply departments, charging and discharging facility operators, third-party
energy management service providers and other operators and managers shall have the ability
to implement information interaction and operation control with the interactive system.
5.3 The local power supply department shall issue regulation and control instructions to the
interactive system in accordance with the grid operation status, demand forecast of charging,
forecast of discharge ability, and load forecast, etc., based on the grid-connected dispatching
agreement or the energy internet and electric vehicle interaction contract.
5.4 Charging and discharging facility operators may operate and manage the interactive system
and shall have the ability to guide and regulate electric vehicle users’ behavior of participating
in energy internet interaction.
5.5 The third-party energy management service providers shall be responsible for the
aggregation, management, monitoring and dispatching of charging and discharging facilities
within the scope of business, and provide charging and discharging facilities and electric vehicle
users with technical means and transaction platforms for intercommunication with the
interactive system, power grid operation and dispatching institution, and shall have a
communication mechanism for reporting fault information.
5.6 As the interface device for electric vehicles to access the energy internet, electric vehicle
charging and discharging facilities shall provide support for electric vehicle users to access the
energy internet and interact with the energy internet.
5.7 Electric vehicle users may voluntarily participate in the interaction between energy internet
and electric vehicle in accordance with their own demands and perform charging and
discharging operations on electric vehicles through the services provided by the charging and
discharging facility operators and managers.
6 Energy Interaction
6.1 General Requirements
6.1.1 The energy interaction between energy internet and electric vehicle shall rely on
interactive units with communication, monitoring, analysis and decision-making, and control
functions, as well as electric vehicle charging and discharging facilities. Based on the interactive
system, energy interaction for orderly charging and battery swapping services, orderly
discharge services, demand response, emergency support and other business demands shall be
formed to ensure the economic and efficient operation of the energy internet. The typical
application scenario of the interaction is shown in Appendix B.
6.1.2 The energy interaction between energy internet and electric vehicle shall rely on
information interaction, be based on the load forecast of the energy internet, while taking into
account the charging and battery swapping demands, and discharge ability, combined with
energy market transaction information, and following the principles of local consumption
priority, wide-area interconnection and coordination, and source-grid-load-storage integrated
operation.
7 Information Interaction
7.1 General Requirements
7.1.1 The information interaction between energy internet and electric vehicle refers to the data
intercommunication and sharing between the business roles and functional entities in the
interactive system through standardized interfaces and communication modes under the
principles of timeliness, security, effectiveness and flexibility, and the collaborative support of
energy and business interaction between energy internet and electric vehicle. The typical
interaction information is shown in Appendix C.
7.1.2 Information interaction can achieve the collection of basic information and status
information, and control information interaction of electric vehicle charging and discharging
facilities, electric vehicles, distributed power sources, distribution transformers and other
electrical equipment in the distribution station area through interactive units.
7.1.3 Information interaction shall realize the management and application demands of
operation monitoring, orderly charging and discharging, orderly battery swapping, auxiliary
services, etc. of electric vehicle charging and discharging facilities, electric vehicles and other
equipment through the collected equipment information and interactive control information.
7.2 Requirements for Interaction Functions
7.2.1 The information interaction function shall include information interaction between
various information interaction platforms, and information interaction between interactive
systems and interactive units. The participants in the information interaction shall provide a
complete, comprehensive and easy-to-search information display of the interaction between
energy internet and electric vehicle based on the functional requirements for information
interaction in actual deployment.
7.2.2 The interactive function of energy transaction information between energy internet and
electric vehicle shall satisfy the requirements of safety, reliability, real-time convenience,
openness and transparency, and be able to reflect the status of the interactive system and the
demands of both parties in the interaction.
7.2.3 The interactive system shall obtain information, such as: electric vehicle users’ charging
and discharging behavior data, charge and discharge demand data, and discharge willingness
data by interacting data with interactive units, electric vehicle charging and discharging facility
operation and management systems, etc. When charging and discharging, electric vehicle users
shall input their charge and discharge demands into the interactive system, including the
expected charge and discharge cut-off time, the state of charge (SOC) of the vehicle battery at
the cut-off time, and other information, to provide constraints for energy interaction, so that
energy interaction can satisfy the electric vehicle users’ demands for vehicle SOC.
7.2.4 The communication interface for information interaction may include typical public
wireless or wired network interfaces, etc. On the basis of satisfying the reliability of information
transmission, the appropriate transmission rate and bandwidth may be selected in accordance
with the actual deployment of the interactive system.
7.2.5 Information interaction shall satisfy the requirements of security, stability, real-timeliness
and comprehensiveness. The information security protection level classification of the security
requirements shall comply with the provisions of GB 17859 and GB/T 22240, and shall comply
with the corresponding level protection requirements specified in GB/T 22239.
7.2.6 A secure gateway shall be set up for information interaction among various platforms in
information interaction to satisfy the network security, data flow security, information storage
security and other requirements of the parties involved in the interaction between energy
internet and electric vehicle.
7.2.7 The security protection design for the information interaction between energy internet and
electric vehicle may include application security, data security, network security and terminal
security, etc.
8 Business Interaction
8.1 General Requirements
8.1.1 The business interaction between energy internet and electric vehicle shall reflect the
value of energy interaction and information interaction, including business forms, such as:
power replenishment, energy supply, metering and testing, and service networks, etc., as well
as corresponding business means.
8.1.2 The participants in the interaction between energy internet and electric vehicle may carry
out basic business, such as: planning, construction, operation and monitoring of electric vehicle
charging and discharging facilities through market-oriented modes, such as: independent
negotiation and centralized bidding, and conduct management of agreements or contracts on
the interaction between energy internet and electric vehicle.
8.2 Requirements for Interaction Functions
8.2.1 The constructors of electric vehicle charging and discharging facilities shall jointly plan,
construct and operate the electric vehicle charging and discharging facilities with the energy
internet operators and managers and all participating entities to provide charge and discharge
services for electric vehicle users.
8.2.2 Electric vehicle users shall sign a contract with local power supply departments, charging
and discharging facility operators, third-party energy management service providers and other
energy internet operators and managers for user participation in the interaction between energy
internet and electric vehicle. The contract shall include the scenarios of the interaction between
energy internet and electric vehicle, participation modes, participation requirements, vehicle
owner rights, subsidy modes, and compensation for breach of contract, etc.
9 Verification Methods
9.1 Energy Interaction
Energy interaction uses the following verification methods:
a) The software testing institution shall verify the following functional modules of the
system through the energy interaction platform: charging and discharging plan
declaration by electric vehicle users or charging and discharging facility operators,
energy internet load forecast, demand forecast of charging of electric vehicle users,
forecast of discharge ability of electric vehicle, orderly charging and battery swapping,
orderly discharge, etc. Electric vehicles participate in energy internet energy
transaction, peak shifting and valley filling, grid frequency regulation, voltage
regulation, power regulation, power support and other auxiliary service transactions,
and participate in distributed power sources, microgrid interaction and other
functional modules;
b) The functional modules shall comply with the requirements of 6.2. For specific test
methods, see GB/T 25000.51.
9.2 Information Interaction
Information interaction uses the following verification methods:
a) The interface communication protocol for information interaction among information
interaction platforms shall satisfy IEC 61970 (all parts);
b) The interface communication protocol for information exchange between the
interactive system and the interactive units shall satisfy GB/T 32960.3;
c) An information input interface for electric vehicle users, which receives information
from electric vehicle users, including the expected charge and discharge cut-off time,
the state of charge (SOC) of the vehicle battery at the cut-off time, etc., and adjusts
the charge power of the electric vehicle based on the above information;
d) System safety protection shall satisfy the requirements of GB/T 40855.
9.3 Business Interaction
The business interaction service operators prove the participation in business interaction by
archiving and managing the following information:
a) Contracts and cooperation agreements for the planning, construction and operation of
electric vehicle charging and discharging facilities;
b) Contracts on user participation in the interaction between energy internet and electric
vehicle;
B.2 Orderly Charging and Discharging in the Distribution Station Area
Currently, there is no clear policy support for orderly charging and discharging in the
distribution station area, but it can be carried out by referring to the interaction mode of demand
response.
The local power supply departments, third-party energy management service providers or
charging and discharging facility operators shall connect the charging and discharging facilities
under the single distribution station area under its management with the energy supply service
system, formulate business rules for electric vehicle users to participate in orderly charging and
discharging, and publish them on the power supply and utilization service system, third-party
energy management service system, charging and discharging facility operation system or
energy supply service system.
The power supply and utilization service system, third-party energy management service
system, charging and discharging facility operation system or energy supply service system
generates an orderly charging and discharging control strategy based on the load information
of the distribution station area, the grid regulation information, the charging and discharging
facility operation information, the charging and discharging forecast information, as well as the
participation willingness, vehicle usage time information and vehicle information of electric
vehicle users, and issues it to the specific charging and discharging facilities under the
distribution station area.
The charging and discharging stations and charging and battery swapping stations participating
in orderly charging and discharging can perform orderly charging and discharging regulation
and control, such as: starting, stopping and adjusting the charge and discharge power of the
charging and discharging facilities in accordance with the control demands, and obtain
incentives for orderly charging and discharging.
B.3 Emergency Power Supply
The charging and discharging stations and charging and battery swapping stations of the energy
internet operators and managers serve as emergency backup power sources. When the power
supply of the power grid fails or is interrupted, they can provide emergency power supply to
important loads for a certain period of time in an off-grid form.
After the information of the charging and discharging stations and the charging and battery
swapping stations is connected to the interactive system, the interactive system can send grid
connection instructions to the electric vehicle charging and discharging facility operation and
management system based on the load information, battery information of the charging and
discharging stations / charging and battery swapping stations, and the grid connection startup
strategy of conventional emergency power supply.
The charging and discharging stations / charging and battery swapping stations receive the grid
connection instructions through the electric vehicle charging and discharging facility operation
and management system, and start discharging after being connected to the grid, so as to support
the emergency power supply demands.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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