GB/T 46810-2025Technical requirements for the security protection of power time synchronization systems based on the BeiDou navigation satellite system (English PDF)
电力北斗时间同步系统安全防护技术要求
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 31, 2025
Implementation date
July 1, 2026
Scope
GB/T 46810-2025 is the English-translated version of 电力北斗时间同步系统安全防护技术要求.
GB/T 46810-2025 is the Chinese standard "Technical requirements for the security protection of power time synchronization systems based on the BeiDou navigation satellite system".
Its scope clause reads: This document specifies the general requirements, system structure protection requirements, and system boundary protection requirements for the security protection of the power grid BeiDou time synchronization system. and equipment body protection requirements.
This document applies to the design, development, production, testing, construction, and operation of power grid BeiDou time synchronization systems. Its clauses include terms and definitions.
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Document preview — GB/T 46810-2025
National Standard of the People's Republic of China
- ICS
- 27.100
- Classification
- F 21
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1.Scope
- 2 Normative References
- 3.Terms and Definitions
- 4.Abbreviations
- 5.General Requirements
- 6.System structural protection requirements
- 7 System Boundary Protection Requirements
- 7.1 Time source input protection
- 7.2 Time Service Protection
- 7.3 Monitoring Interface Protection
- 8.Equipment Body Protection Requirements
- 8.1 Hardware Security
- 8.2 Software Security
- 8.3 Identity Verification
- 8.4 Access Control
- 8.5 Security Audit
- 8.6 Data Security
- 8.7 Intrusion Prevention
- 8.8 Operation Monitoring
1 Scope
This document specifies the general requirements, system structure protection requirements, and system boundary protection requirements for the security protection of the power grid BeiDou time synchronization system.
and equipment body protection requirements.
This document applies to the design, development, production, testing, construction, and operation of power grid BeiDou time synchronization systems.
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.
This document.
GB/T 36050 Basic Provisions for Time Synchronization of Power Systems
GB/T 36470-2018 Information Security Technology - General Security Functional Requirements for Field Measurement and Control Equipment in Industrial Control Systems
GB/T 36572 Guidelines for Network Security Protection of Power Monitoring Systems
DL/T 1100.1 Time Synchronization System for Power Systems - Part 1.Technical Specifications
DL/T 1100.5 Time Synchronization Systems for Power Systems - Part 5.Technical Requirements for Anti-Fraud and Anti-Interference
3 Terms and Definitions
The terms and definitions defined in DL/T 1100.1 and the following terms and definitions apply to this document.
3.1 Timing service
The time synchronization device in the power grid BeiDou time synchronization system provides time synchronization services for the time-synchronized equipment.
3.2 monitoring interface
External interaction interface for equipment operation and safety information in the power grid BeiDou time synchronization system.
3.3 Spoofing signal
An analog satellite navigation signal that can cause a satellite receiver to output an abnormal position and/or time.
3.4 ground timing
A time synchronization method that uses a communication channel to transmit time information from a ground time source to a time synchronization system.
3.5 unidirectional timing
The IRIG-B code and PPS/PPM/PPH/PPD TOD technologies are used to achieve one-way transmission of time information.
3.6 Network timing
Time synchronization based on Ethernet/IP networks can be achieved using technologies such as NTP/SNTP and PTP.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 9 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 36050Rules of time synchronization for power systems
- GB/T 36470-2018Information security technology—Common security functional requirements for data acquisition and control field devices of industrial control systems
- GB/T 36572Guidelines of cyber security protection for electric power system supervision and control
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Related Standards
GB/T 36050-2018 — Rules of time synchronization for power systems
GB/T 36470-2018 — Information security technology—Common security functional requirements for data acquisition and control field devices of industrial control systems
GB/T 36572-2018 — Guidelines of cyber security protection for electric power system supervision and control
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