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GB/T 46957-2025Electrical energy storage systems - General specification of safety considerations for grid-integrated electrical energy storage systems (English PDF)

电力储能系统并网储能系统安全通用规范

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Issued by

State Administration for Market Regulation

Level / Type

National · Recommended

Issue date

December 31, 2025

Implementation date

July 1, 2026

Scope

GB/T 46957-2025 is the English-translated version of 电力储能系统并网储能系统安全通用规范.

GB/T 46957-2025 is a Chinese national standard on safety considerations for grid-integrated electrical energy storage systems. It is equivalent to IEC 62933-5-1:2024.

The document specifies safety requirements in the areas of hazard identification, risk assessment, risk response measures and system testing, and defines what the user manual should contain.

It also covers marking and identification. Appendices describe the main risks of different storage technologies, security analysis, test methods for flywheel storage and safety standards for equipment and components.

It applies to the general safety management of storage systems connected to the power grid. It refers to ISO 12100, ISO 13849 and several GB/T standards. Issued on 31 December 2025 and applicable from 1 July 2026.

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Document preview — GB/T 46957-2025

National Standard of the People's Republic of China

ICS: 27.180
Classification: F 19

Issued by: State Administration for Market Regulation

Preface
1 Scope
2 Normative References
3 Terms and Definitions
4 Basic Methods of Safety Assessment
5 Hazard identification
6 Risk Assessment
7 Risk Response Measures
8 System Tests
9 User Manuals and Guides
10 Marking and Identification
Appendix A (Informative) Major Risks of Different Types of Energy Storage Technologies
Appendix B (Informative) Security Analysis
Appendix C (Normative) Test Methods for Flywheel Energy Storage Systems
Appendix D (Informative) Safety Standards for Equipment and Components
References

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents".

This document is equivalent to IEC 62933-5-1:2024 "Electric energy storage systems - Part 5-1.Safety general requirements for grid-connected energy storage systems". specification". The following editorial changes have been made to this document.

---The standard name has been changed to "General Safety Specification for Grid-connected Energy Storage Systems".

1 Scope

This document specifies the safety requirements for grid-connected power storage systems in areas such as hazard identification, risk assessment, risk response, and system testing.

All requirements were specified, and the relevant content in the user manual was defined.

This document applies to the general safety management of power storage systems connected to the power grid.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies to this document.

GB/T 3836.5-2021 Explosive Atmospheres - Part 5: Equipment Protected by a Positively Pressurized Enclosure "p" (IEC 60079-2:2014) MOD)

Note: The content referenced in GB/T 3836.5-2021 is not technically different from the content referenced in IEC 60079-2:2014.

GB/T 15706-2012 General principles for safety design of machinery. risk assessment and risk reduction (ISO 12100:2010, IDT)

GB/T 16895.21-2020 Low-voltage electrical installations - Part 4-41.Safety protection against electric shock (IEC 60364-4-41) 2017, IDT)

GB/T 16895.23-2020 Low-voltage electrical installations - Part 6: Inspection (IEC 60364-6:2016, IDT)

GB/T 16935.1-2023 Insulation Coordination of Equipment in Low-Voltage Power Supply Systems - Part 1: Principles, Requirements and Tests (IEC) 60664-1.2020, IDT) bustibility test)

Note: GB/T 5464-2010 Test methods for non-combustibility of building materials (ISO 1182:2002, IDT)

ISO 7010 Safety Symbols - Colors and Signs (Registered)

Note: GB/T 31523.1-2015 Security Information Identification Systems - Part 1: Marking (ISO 7010:2011, MOD)

ISO 12100 Safety of machinery design - Risk assessment and risk reduction

Note: GB/T 15706-2012 General principles for safety design of machinery - Risk assessment and risk reduction (ISO 12100:2010, IDT)

ISO 13849 (all parts) Safety of machinery - Safety-related parts of

Note: GB/T 16855 (all parts) - Safety control systems for machinery [ISO 13849 (all parts)] Principles for Design

Note: GB/T 16754-2021 Design principles for emergency stop functions of machinery (ISO 13850:2015, IDT)

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 54 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 7010 · ISO 12100 · ISO 13849

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