GB/T 40425.1-2021Electric vehicle top contact charging system—Part 1: General requirements (English PDF)
电动客车顶部接触式充电系统 第1部分：通用要求
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 20, 2021
Implementation date
March 1, 2022
Scope
GB/T 40425.1-2021 is the English-translated version of 电动客车顶部接触式充电系统 第1部分：通用要求.
GB/T 40425.1-2021 sets the general requirements for top contact charging systems for electric buses, in which a charging bow and a charging bow docking terminal form an automatic coupler between the vehicle and the supply (connection case D).
It covers classification, communication, protection against electric shock, the connection between bus and charging system, the vehicle and supply interfaces, supply equipment construction and performance, overload protection and short-circuit detection, emergency stop and fault handling, conditions of use, maintenance and marking.
Annexes cover the control pilot circuit, proximity detection with wireless communication, and the charging bow interface. It applies to off-board chargers and automatic charging couplers supplied at up to 1000 V AC or 1500 V DC, with a rated output of up to 1500 V DC. It was issued on 20 August 2021 and has applied since 1 March 2022.
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Document preview — GB/T 40425.1-2021
National Standard of the People's Republic of China
- ICS
- 43.040.99
- Classification
- T 35
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Category
- 5 General requirements
- 6 Communication
- 7 Protection against electric shock
- 8 Connection between electric bus and top contact charging system
- 9 Special requirements for vehicle interface and power supply interface
- 10 Structural requirements for electric bus power supply equipment
- 11 Performance requirements for the top contact charging system of electric buses
- 12 Overload protection and short circuit detection
- 13 Emergency stop and exception handling
- 14 Conditions of Use
- 15 Repair
- 16 Identification and description
- Appendix A (Normative Appendix) Control Guidance Circuit and Control Principle
- Appendix B (informative appendix) Proximity recognition and wireless communication protocol
- Appendix C (informative appendix) Charging bow and charging bow docking terminal interface
- Reference
Foreword
GB/T 40425 "Top Contact Charging System for Electric Bus" has released the following parts.
---Part 1: General requirements.
This part is Part 1 of GB/T 40425.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This part of GB/T 40425 specifies the classification, general requirements, communication, electric shock protection, electric The connection between the electric bus and the top contact charging system, the special requirements of the vehicle interface and the power supply interface, and the structure of the electric bus power supply equipment Requirements, the performance requirements of the top contact charging system of electric buses, overload protection and short-circuit detection, emergency stop and abnormal handling, use conditions, maintenance, standard Knowledge and description.
This section applies to the top contact charging system of electric passenger cars. The system includes off-board chargers and automatic charging couplers. Its supply The maximum rated voltage of the electric power supply is 1000VAC or 1500VDC, and the maximum rated output voltage is 1500VDC.
This section also applies to top contact charging systems for electric buses that obtain energy from on-site energy storage systems (such as buffer battery packs, etc.).
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 7251.1-2013 Low-voltage switchgear and control equipment Part 1: General
GB/T 18487.1-2015 Electric Vehicle Conductive Charging System Part 1: General Requirements
GB/T 20234.1-2015 Connecting devices for conductive charging of electric vehicles Part 1: General requirements
GB/T 27930 Communication protocol between non-vehicle conductive charger and battery management system for electric vehicles
GB/T 29317 Terminology for charging and swapping facilities for electric vehicles
NB/T 33001-2018 Technical conditions for non-vehicle conductive chargers for electric vehicles
IEEE802.11n-2009 Information Technology Standard Local Area Network and Metropolitan Area Network Special Requirements Part 11: Wireless LAN Medium Access control layer and physical layer (IEEEStandardforInformationTechnology-Localandmetropolitanareanet-works-Specificrequirements-Part 11: WirelessLAN Medium AccessControl(MAC)andPhysical Layer(PHY))
3 Terms and definitions
The following terms and definitions defined in GB/T 18487.1-2015 and GB/T 29317 apply to this document.
3.1 Connection method D
When connecting the electric vehicle with the power supply network, an automatic charging coupler composed of a charging bow and a charging bow docking terminal is used (see Figure 1).
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 30 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 7251.1-2013Low-voltage switchgear and controlgear assemblies - Part 1: General rules
- GB/T 18487.1-2015Electric vehicle conductive charging system - Part 1: General requirements
- GB/T 20234.1-2015Connection set for conductive charging of electric vehicles - Part 1: General requirements
- GB/T 27930Digital communication protocols between off-board conductive charger and electric vehicle
- GB/T 29317Terminology of electric vehicle charging/battery swap infrastructure
- NB/T 33001-2018Specification for electric vehicle off-board conductive charger
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Related Standards
GB/T 27930.2-2024 — Digital communication protocols between off-board conductive charger and electric vehicle - Part 2: Communication protocols for GB/T 20234.3
GB/T 27930-2023 — Digital communication protocols between off-board conductive charger and electric vehicle
GB/T 29317-2021 — Terminology of electric vehicle charging/battery swap infrastructure
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GB/T 40425.1-2021
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