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GB/T 44386-2024: Railway applications - Rolling stock - Onboard lithium-ion traction batteries
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GB/T 44386-2024: Railway applications - Rolling stock - Onboard lithium-ion traction batteries

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National Standard of the People's Republic of China ICS 29.280CCS S 35 Rail transit locomotives and vehicles On-board traction lithium-ion battery Railway applications-Rolling stock-Onboard lithium⁃ion traction batteries (IEC 62928.2017, MOD) 2024-12-31 Release 2025-07-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface Ⅲ 1 Scope...1 2 Normative references ...1 3 Terms and Definitions 2 4 Abbreviations...7 5 Battery system structure...7 6 Parameter measurement error...10 7 Conditions of use 10 8 Model and marking...11 9 Safety Requirements...13 10 Size...14 11 Electrical Requirements...14 12 Mechanical requirements...15 13 Performance Requirements...16 14 Storage and transportation conditions 17 15 Experiments...17 Appendix A (Informative) List of technical differences between this document and IEC 62928.2017 and their causes ...29 Appendix B (Informative) Battery System Configuration Examples 31 Appendix C (Normative) Documents accompanying the product...36 Appendix D (Informative) Examples of parameter ranges for other high-power cycle tests 37 References ...38

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 is required. This document is modified to adopt IEC 62928.2017 "Onboard traction lithium-ion batteries for rail transit locomotives and rolling stock". Compared with IEC 62928.2017, this document has made the following structural adjustments. --Chapter 4 corresponds to 3.2 of IEC 62928.2017; --Chapter 5 corresponds to Chapter 4 of IEC 62928.2017, and subsequent chapters are adjusted accordingly; --Appendix B corresponds to Appendix A in IEC 62928.2017; --Appendix D corresponds to Appendix B in IEC 62928.2017. This document has many technical differences compared to IEC 62928.2017. A single line (|) is used to indicate these technical differences. A list of these technical differences and their reasons is given in Appendix A. The following editorial changes were made to this document. --Added notes in "Single cell and battery system name" and "System configuration" (see 8.2, 13.1.2); --Deleted the "Notes" in 6.2 and 13.3 of IEC 62928.2017 (see 7.2 and 14.3); -- Added Appendix A (informative) "List of technical differences and their causes". 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 is proposed by the National Railway Administration. This document is under the jurisdiction of the National Technical Committee for Standardization of Rail Transit Electrical Equipment and Systems (SAC/TC 278). This document was drafted by. Beijing Jiaotong University, Zhuzhou CRRC Times Electric Co., Ltd., CRRC Changchun Railway Vehicles Co., Ltd. Co., Ltd., CRRC Qingdao Sifang Locomotive and Rolling Stock Co., Ltd., and CRRC Zhuzhou Electric Locomotive Co., Ltd. The main drafters of this document are. Wang Zhanguo, Huang Yu, Zhang Yanru, Huang Yue, Lin Wenbiao, Han Wei, Han Qingjun and Wang Xiuling. Rail transit locomotives and vehicles On-board traction lithium-ion battery

1 Scope

This document specifies the design, operating parameters, safety requirements, data exchange, and output of lithium-ion batteries for rail transit vehicles. Factory inspection and type inspection as well as model and marking, describe the corresponding test methods. This document applies to on-board traction lithium-ion batteries for rail transit locomotives and vehicles. The battery system in this document refers to the energy storage system used as traction power for rail transit rolling stock, such as IEC 62864-1.2016 Hybrid vehicles as defined do not include lithium-ion batteries used in auxiliary power supplies. Subcomponents within the battery system, such as the battery management system and battery thermal management system, are also included in this document. Power conversion equipment (such as choppers, converters, etc.), inductors, capacitors and switchgear are outside the scope of this document. The general requirements for on-board energy storage systems are given in IEC 62864-1.2016. This document specifies lithium-ion battery technology but does not preclude the use of technologies other than lithium-ion battery technology as traction battery. Pool application. Hybrid energy storage systems using two or more energy storage technologies, such as traction batteries and electric double layer capacitors, are outside the scope of this document. However, if different energy storage system technologies are used on the same train and managed independently, each independent energy storage system will meet its own standards.

2 Normative references

The contents of the following documents constitute the 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 2900.36 Electrical terminology Electric traction (GB/T 2900.36-2021, IEC 60050-811.2017, IDT) GB/T 2900.41-2008 Electrical terminology. primary cells and secondary batteries (IEC 60050-482.2004, IDT) GB/T 4208 Degrees of protection provided by enclosures (IP Code) (GB/T 4208-2017, IEC 60529.2013, IDT) GB/T 21413.1 Electrical equipment for rail vehicles Part 1.General conditions of use and general rules (GB/T 21413.1-2018, IEC 60077⁃1.2017, MOD) GB/T 21413.5 Electrical equipment for rail vehicles Part 5.Rules for high-voltage fuses for electrical devices (GB/T 21413.5-2023, IEC 60077⁃5.2019, MOD) GB/T 21414 Provisions for protection against electrical hazards in rail transit rolling stock (GB/T 21414-2021, IEC 61991. 2019, MOD) GB/T 21562 Specification and examples for reliability, availability, maintainability and safety of rail transit (GB/T 21562-2008, IEC 62278.2002, IDT) GB/T 21563-2018 Shock and vibration test for rail transit rolling stock equipment (IEC 61373.2010, MOD) GB 21966 Safety requirements for lithium primary cells and batteries in transportation (GB 21966-2008, IEC 62281.2004, IDT) GB/T 24338.4 Rail Transit Electromagnetic Compatibility Part 3-2.Rolling Stock Equipment (GB/T 24338.4-2018, IEC 62236⁃3⁃2.2008, MOD) GB/T 25119 Rail transit rolling stock electronic devices (GB/T 25119-2021, IEC 60571.2018, MOD) ...