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GB/T 40425.2-2025: Overhead contact charging system for electric buses - Part 2: Charging connection set
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 40425.2-2025 | English | 379 |
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Overhead contact charging system for electric buses - Part 2: Charging connection set
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GB/T 40425.2-2025
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Basic data | Standard ID | GB/T 40425.2-2025 (GB/T40425.2-2025) | | Description (Translated English) | Overhead contact charging system for electric buses - Part 2: Charging connection set | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | T35 | | Classification of International Standard | 43.040.99 | | Word Count Estimation | 18,119 | | Date of Issue | 2025-04-25 | | Date of Implementation | 2025-11-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 40425.2-2025: Overhead contact charging system for electric buses - Part 2: Charging connection set
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 43.040.99
CCST35
National Standard of the People's Republic of China
Top contact charging system for electric buses
Part 2.Charging connection device
Released on 2025-04-25
2025-11-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Symbols 2
5 Rating 2
6 Technical Requirements 3
7 Size 5
8 Test methods 5
9 Logo 7
Appendix A (Normative) Pantograph and receiving bar contact dimensions 8
Appendix B (Informative) Installation Dimensions 9
Appendix C (Informative) Inclination Angle of the Power Bar 11
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document is part 2 of GB/T 40425 "Top contact charging system for electric buses". GB/T 40425 has published the following
part.
--- Part 1.General requirements;
--- Part 2.Charging connection device.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the Ministry of Industry and Information Technology of the People's Republic of China.
This document is under the jurisdiction of the National Technical Committee on Automotive Standardization (SAC/TC114).
This document was drafted by. BYD Auto Industry Co., Ltd., Shanghai Aowei Technology Development Co., Ltd., Anhui Ankai Automobile Co., Ltd.
Company, China Automotive Research Institute Automobile Inspection Center (Tianjin) Co., Ltd., Yutong Bus Co., Ltd., China Automotive Technology and Research Center Co., Ltd.,
SAIC Commercial Vehicle Technology Center, Zhengzhou Shanxiang New Energy Technology Co., Ltd., and Beijing Weitongli Electric Co., Ltd.
The main drafters of this document are. Peng Wang, Miao Xiaoli, Ma Aiguo, Li Zhen, Wang Jiaojiao, Zhang Jin, Zhu Zhengli, Xu Xiao, Xie Lingfeng, Yang Guosen,
Jiang Jiefeng, Liu Chao, Liu Wei, Fang Pengwei, Huang Jian, and Liu Yubin.
Introduction
Electric buses have the characteristics of large vehicle mass and large on-board power. They have high platform voltage and large battery capacity.
Electric city buses generally run on fixed routes and can use stations and temporary stations for charging.
Therefore, we can learn from the experience of supercapacitor electric vehicles and adopt the top contact automatic charging method to reduce the manual operation of charging and improve
GB/T 40425 "Top contact charging system for electric buses" aims to establish the top contact conductive charging system for electric buses.
The system requirements are to be composed of two parts.
--- Part 1.General requirements. The purpose is to establish the overall requirements for the top contact charging system of electric buses and give the charging system
Guidance circuit and control principle.
--- Part 2.Charging connection device. The purpose is to establish the definition, requirements and test methods of the top contact charging connection device for electric buses.
The test methods are used to guide the design and development of the industry as well as the construction and installation of charging facilities.
Top contact charging system for electric buses
Part 2.Charging connection device
1 Scope
This document specifies the ratings, technical requirements, test methods and markings for the top contact charging connection device of electric buses.
This document is applicable to M2 and M3 electric buses with rated voltage not exceeding 1500V, rated current not exceeding 1500A, and complying with
Design, development, production and installation of charging connection devices for top contact charging systems with connection method D.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 2408 Determination of the burning properties of plastics - Horizontal and vertical methods
GB/T 2423.1-2008 Environmental testing for electric and electronic products Part 2.Test methods Test A. Low temperature
GB/T 2423.2-2008 Environmental testing for electric and electronic products Part 2.Test methods Test B. High temperature
GB/T 2423.4-2008 Environmental testing for electric and electronic products Part 2.Test methods Test Db. Cyclic damp heat (12h
12h cycle)
GB/T 11918.1-2014 Industrial plugs, sockets and couplers Part 1.General requirements
GB/T 16935.1-2023 Insulation coordination for equipment in low voltage systems Part 1.Principles, requirements and tests
GB 18384 Safety requirements for electric vehicles
GB/T 18487.1-2023 Electric vehicle conductive charging system Part 1.General requirements
GB/T 19596 Terminology for Electric Vehicles
GB/T 20234.1 Connection devices for conductive charging of electric vehicles Part 1.General requirements
GB/T 21561.2-2018 Pantograph characteristics and tests for rail vehicles Part 2.Pantographs for subway and light rail vehicles
Pantograph
GB/T 28046.3-2011 Environmental conditions and testing for electrical and electronic equipment of road vehicles Part 3.Mechanical loads
GB/T 40425.1-2021 Top contact charging system for electric buses Part 1.General requirements
3 Terms and definitions
GB/T 11918.1-2014, GB/T 18487.1-2023, GB/T 19596, GB/T 20234.1 and GB/T 40425.1-2021
The following defined terms and definitions apply to this document.
3.1
Mechanical and electrical connection components connecting electric buses and electric bus power supply equipment.
Note 1.Includes charging pantograph, charging bus, charging cable, etc.
Note 2.See Figure 1 for a schematic diagram of the charging connection device.
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