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GB/T 45906.9-2025: Substation secondary system - Part 9: Construction specifications
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 45906.9-2025 | English | 279 |
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Substation secondary system - Part 9: Construction specifications
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GB/T 45906.9-2025
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Basic data
| Standard ID | GB/T 45906.9-2025 (GB/T45906.9-2025) |
| Description (Translated English) | Substation secondary system - Part 9: Construction specifications |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | F20 |
| Classification of International Standard | 29.240.10 |
| Word Count Estimation | 14,199 |
| Date of Issue | 2025-08-01 |
| Date of Implementation | 2026-02-01 |
| Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China |
GB/T 45906.9-2025: Substation secondary system - Part 9: Construction specifications
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT45906.9-2025
ICS 29.240.10
CCSF20
National Standard of the People's Republic of China
Substation secondary system
Part 9.Construction specifications
Released on August 1, 2025
Implementation on February 1, 2026
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 2
4 Abbreviations 2
5 General Requirements 2
6 Design 3
6.1 General requirements 3
6.2 System Architecture 3
6.3 Device Configuration 3
6.4 Master-Substation Information Interaction 4
6.5 Secondary circuit requirements 4
6.6 Power Requirements 4
6.7 Equipment Layout 5
7 Installation 5
7.1 General requirements 5
7.2 Process Control 5
7.3 Installation process requirements 5
8 Debugging 6
8.1 General requirements 6
8.2 Process Control 6
8.3 Debugging Project Requirements 6
9 Acceptance 7
9.1 General requirements 7
9.2 Process Control 7
9.3 Acceptance Project Requirements 7
Preface
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 9 of GB/T 45906 "Substation Secondary Systems". GB/T 45906 has been published in the following parts.
--- Part 1.General requirements;
--- Part 2.Data and models;
--- Part 3.Communication message specifications;
--- Part 4.Network security protection;
--- Part 5.Protection, control and related equipment;
--- Part 6.Station monitoring system;
--- Part 7.Centralized monitoring system;
--- Part 8.Electrical operation error prevention;
--- Part 9.Construction specifications;
--- Part 10.Testing and inspection.
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 China Electricity Council.
This document is under the jurisdiction of the National Technical Committee for Standardization of Power Grid Operation and Control (SAC/TC446).
This document was drafted by. State Grid Economic and Technological Research Institute Co., Ltd., State Grid Corporation of China, China Electric Power Research Institute Co., Ltd.
China Energy Engineering Group Liaoning Electric Power Survey and Design Institute Co., Ltd., China Energy Engineering Group Shanxi Electric Power Survey and Design Institute Co., Ltd.
Company, State Grid Shandong Electric Power Company, State Grid Sichuan Electric Power Company, State Grid Fujian Electric Power Company, China Electricity Council Electric Power Development Research Institute Co., Ltd.
Company, China Southern Power Grid Co., Ltd., State Grid Liaoning Electric Power Co., Ltd., PowerChina Hebei Electric Power Survey, Design and Research
China Electric Power Engineering Group Co., Ltd., Guangdong Electric Power Grid Co., Ltd., China Electric Power Engineering Group Fujian Electric Power Survey and Design Institute Co., Ltd., China Electric Power Engineering Group Hebei Electric Power Engineering Group Co., Ltd.
Chongqing Electric Power Company, China Energy Engineering Group Guangdong Electric Power Design Institute Co., Ltd.
Inner Mongolia Electric Power (Group) Co., Ltd., State Grid Zhejiang Electric Power Co., Ltd., State Grid Shanxi Electric Power Co., Ltd., State Grid Jiangsu Electric Power Co., Ltd.
Co., Ltd., State Grid Hunan Electric Power Co., Ltd., State Grid Henan Electric Power Co., Ltd., PowerChina Guizhou Electric Power Design Institute Co., Ltd.
China Energy Engineering Group Tianjin Electric Power Design Institute Co., Ltd., Ningxia Hui Autonomous Region Electric Power Design Institute Co., Ltd., State Grid Gansu Electric Power
Power Company.
The main drafters of this document are. Li Jingru, Wu Congying, Yan Peili, Xiao Zhihong, Zhang Chunhui, Jiang Baichao, Pan Yong, Lin Hongbin, Wang Xiaoxu,
Guo Yanxia, Chen Zhihui, Guo Yachang, Han Liu, Wang Yudong, Yu Tongwei, Feng Teng, Zhang Zhipeng, Liu Naiqi, Peng Ye, Miao Mei, Liu Yu, Sun Yang, Lü Pengfei,
Chang Naichao, Li Yan, Zhang Zhi, Shang Bingyang, Xu Jin, Li Zhongqing, Wang Xiaomin, Chen Ping, Wang Hongbin, Qu Zhanfei, Shi Zhuopeng, Wu Chaohui, Jiang Jing, Liang Zeyong,
Liu Yang, Ma Fuhua, Wu Junfei, Lü Tao, Zhao Lei, Wang Zhongqiu, Huang Xiangyuan, Cui Yu, Cao Haiou, Zhang Xiang, Xu Danli, Song Xiaofan, Wu Peng, and Yang Yong.
introduction
In order to meet the transformation and development needs of the substation secondary system, the top-level design of the overall architecture, functions, data and equipment of the substation secondary system is realized.
Design, promote the optimization and upgrading of new power system equipment manufacturing industry, improve the overall performance and reliability level of substation secondary system, formulate this system
List standards.
GB/T 45906 covers the substation secondary system from the aspects of general requirements, equipment system functional requirements and engineering implementation and testing.
The system is planned to consist of 10 parts.
--- Part 1.General requirements. The purpose is to standardize the overall requirements and reliability, functional integration, information interaction,
Network security and other technical requirements.
--- Part 2.Data and Model. The purpose is to standardize the substation secondary system data and model framework, clarify data classification, collection
Processing requirements, modeling methods, and model configuration processes.
--- Part 3.Communication message specification. The purpose is to standardize the communication protocol set of the substation secondary system, clarify the data objects and communication
The implementation method of the service.
--- Part 4.Network security protection. The purpose is to standardize the technical requirements for security protection of substation secondary systems.
--- Part 5.Protection control and related equipment. The purpose is to standardize substation relay protection and safety automatic devices, automation equipment
Technical requirements for power equipment, power metering and power quality equipment, collection and execution equipment, communication equipment and auxiliary monitoring equipment.
--- Part 6.Station Monitoring System. The purpose is to standardize the technical requirements of the station monitoring system, including functions, performance, information exchange, etc.
--- Part 7.Centralized monitoring system. The purpose is to standardize the system architecture, functions, performance, information exchange and
Mutual technical requirements.
--- Part 8.Electrical operation error prevention. The purpose is to standardize the overall requirements, architecture, functions and
Energy, performance and application requirements.
--- Part 9.Construction Specifications. The purpose is to standardize the overall requirements, design principles, process control and construction of substation secondary system engineering.
System and technical requirements.
--- Part 10.Testing and inspection. The purpose is to standardize the general principles and testing of equipment and systems of substation secondary systems.
Requirements, etc.
Substation secondary system
Part 9.Construction specifications
1 Scope
This document specifies the overall requirements, design principles, process control and technical requirements for substation secondary system construction.
This document applies to the construction, operation, maintenance and overhaul of substation secondary systems.
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 2887 General Specification for Computer Sites
GB/T 7261 Basic test methods for relay protection and safety automatic devices
GB 8897.4 Primary batteries Part 4.Safety requirements for lithium batteries
GB/T 14285 Technical Specification for Relay Protection and Safety Automatic Devices
GB/T 17215.211 Electrical measuring equipment (AC) General requirements, tests and test conditions Part 11.Measuring equipment
GB/T 17215.301 Particular requirements for electrical measuring equipment (AC) Part 1.Multifunctional energy meters
GB 20840.7 Transformers Part 7.Electronic voltage transformers
GB 20840.8 Instrument transformers Part 8.Electronic current transformers
GB 23864 Fireproof sealing materials
GB/T 36050 Basic provisions for time synchronization of power systems
GB/T 36283 General technical requirements for secondary compartments of intelligent substations
GB/T 36572 Guidelines for Cybersecurity Protection of Power Monitoring Systems
GB 38755 Guidelines for Safety and Stability of Power Systems
GB 50169 Specification for construction and acceptance of grounding devices for electrical installation projects
GB 50171 Specification for the construction and acceptance of panels, cabinets and secondary circuit wiring for electrical installation projects
GB 50172 Specification for Construction and Acceptance of Storage Batteries for Electrical Installation Engineering
GB 50217 Design Standard for Power Engineering Cables
GB/T 50976 Specification for installation and acceptance of relay protection and secondary circuits
GB/T 51420 Intelligent Substation Project Commissioning and Acceptance Standard
GB/T 45906.1 Substation secondary systems Part 1.General requirements
GB/T 45906.2 Substation secondary systems Part 2.Data and models
GB/T 45906.3 Substation secondary system Part 3.Communication message specification
GB/T 45906.4 Substation secondary systems Part 4.Network security protection
GB/T 45906.5 Substation secondary systems Part 5.Protection, control and related equipment
GB/T 45906.6 Substation secondary systems Part 6.Station monitoring system
GB/T 45906.7 Substation secondary systems Part 7.Centralized monitoring system
GB/T 45906.8 Substation secondary system Part 8.Prevention of electrical operation errors
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