GB/T 45906.4-2025Substation secondary system — Part 4: Cyber security protection (English PDF)

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 4 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 was prepared by the National Grid Operation and Control Standardization Technical Committee (SAC/TC446), the National Electric Power System Management and Information Exchange The Standardization Technical Committee (SAC/TC82) will be transferred to this department for coordination.

This document was drafted by: State Electric Power Dispatching and Control Center, State Grid Shanghai Electric Power Company, Nanjing NARI Information and Communication Technology Co., Ltd., China Electric Power Research Institute Co., Ltd., State Grid Hubei Electric Power Co., Ltd., State Grid Beijing Electric Power Company, State Grid Jiangxi Electric Power Co., Ltd.

Company, State Grid Ningxia Electric Power Co., Ltd., State Grid Corporation of China Northwest Branch, State Grid Hebei Electric Power Co., Ltd., State Grid Jiangsu Electric Power Co., Ltd.

Co., Ltd., State Grid Henan Electric Power Company, State Grid Qinghai Electric Power Company, China Southern Power Grid Co., Ltd., Nanjing NARI Relay Protection Electric Co., Ltd., Beijing Kedong Electric Power Control System Co., Ltd., NARI Technology Co., Ltd., Beijing Sifang Relay Protection Engineering Technology Co., Ltd.

Company, Xuji Electric Co., Ltd., Guodian Nanjing Automation Co., Ltd., State Grid Economic and Technological Research Institute Co., Ltd., Beijing Tongchuang Safe and Trustworthy Technology Co., Ltd.

The main drafters of this document are: Zhou Jieying, Wang Zhihua, Zhang Xiao (State Electric Power Dispatching and Control Center), Li Mingjie, Zhou Zexin, Shu Zhihuai, Zhan Xiong, Zhu Jiang, Shao Lisong, Lü Pengfei, Liu Yu, Jin Long, Yang Weiyong, Tang Zhenyu, Liu Wei, Zhang Xiao (Hubei), Zhang Hongjie, Gao Xin, Han Meng, Li Weixun, Chen Mingliang, Yu Jing, Wang Dan, Li Yanhe, Lin Qing, Ning Zhiyan, Shen Yan, Jia Ling, Ma Bin, Wu Jinyu, Qiu Weijie, Zhang Long, Wang Xuning, Tang Chengjun, Shen Zhihao, Yu Yue, Li Zhongqing, Zhu Chaoyang, Li Jinsong, Meng Jiangwen, Lu Xi, Gao Minghui, Wang Peng, Chang Jiale, Sun Yu, and Liu Changqing.

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 "Substation Secondary System" comprehensively covers general requirements, equipment system functional requirements, project implementation and testing, etc.

The substation secondary system consists 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 requirements for the inspection of substation secondary system equipment and systems. Please wait. Substation secondary system Part 4: Network Security Protection

1 Scope

This document specifies the general principles, security defense, security monitoring and security assessment of substation secondary system network security protection.

This document applies to the design, development, procurement, deployment, maintenance, and evaluation of substation secondary system network security facilities.

2 Normative references

GB/T 22239

GB/T 36572-2018

3 Terms and Definitions

The following terms and definitions apply to this document.