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GB/T 45568-2025: Information specification for relay protection
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Information specification for relay protection
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GB/T 45568-2025
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Basic data | Standard ID | GB/T 45568-2025 (GB/T45568-2025) | | Description (Translated English) | Information specification for relay protection | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K45 | | Classification of International Standard | 29.240 | | Word Count Estimation | 14,130 | | Date of Issue | 2025-04-25 | | Date of Implementation | 2025-08-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 45568-2025: Information specification for relay protection---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Information specification for relay protection
Relay protection information specification
Information specifications of relay protection
ICS 29.240
CCS K45
National Standard of the People's Republic of China
Released on 2025-04-25
2025-08-01 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 ... 1
4 Abbreviations ... 2
5 General requirements ... 2
6 Classification and requirements of relay protection information ... 3
6.1 Classification of relay protection information content 3
6.2 Relay protection information expression form 3
6.3 Generation, storage and upload of relay protection information 3
6.4 Relay protection log record ... 4
7 Relay protection information content ... 4
7.1 Relay protection action information ... 4
7.2 Relay protection alarm information ... 5
7.3 Relay protection online monitoring information ... 5
7.4 Relay protection status change information 6
7.5 Relay protection equipment ledger information ... 6
7.6 Relay protection setting information ... 6
7.7 Relay protection intermediate node information ... 6
8 Requirements for relay protection information model ... 7
9 Relay protection configuration file information ... 7
10 Human Machine Interface ... 7
11 Relay protection information review ... 7
References ... 9
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.
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 and coordinated by the China Electricity Council.
This document was drafted by. State Grid Zhejiang Electric Power Co., Ltd., State Grid Zhejiang Electric Power Co., Ltd. Jiaxing Power Supply Company, State Grid
Control Center, China Southern Power Grid Power Dispatching and Control Center, State Grid Corporation of China East China Branch, State Grid Corporation of China North China Branch
Ministry, State Grid Henan Electric Power Company, State Grid Liaoning Electric Power Company, State Grid Zhejiang Electric Power Company Hangzhou Power Supply Company, State Grid
Huzhou Power Supply Company of Zhejiang Electric Power Co., Ltd., Nanjing Power Supply Branch of State Grid Jiangsu Electric Power Co., Ltd., Nanjing NARI Relay Protection Electric Co., Ltd.
Company, Beijing Sifang Relay Protection Automation Co., Ltd., Guodian Nanjing Automation Co., Ltd., Guodian Nanrui Technology Co., Ltd.
Co., Ltd., Xuji Electric Co., Ltd., Changyuan Shenrui Jibao Automation Co., Ltd., Shanghai Siyuan Hongrui Automation Co., Ltd., China Electric Power
Science Research Institute Co., Ltd., Datang Hydropower Science and Technology Research Institute Co., Ltd., and Yunnan Power Grid Co., Ltd. Electric Power Research Institute.
The main drafters of this document are. Zhou Wenhai, Pan Wulue, Zhou Fuqiang, Qiu Yutao, Fang Yudong, Xu Kai, Shi Zebing, Jiang Weijian, Xu Peng,
Liu Zhongping, Chen Jianmin, Liu Yimin, Dong Peng, Sheng Haihua, Tian Baojiang, Yu You, Huang Zhihua, Chen Hao, Li Li, Xu Xiaochun, Nie Juanhong,
Chen Qi, Zheng Xiaojiang, Li Jia, Dong Xintao, Yu Weiguo, Wang Xuedong, Miao Wenbin, Yang Guosheng, Zhan Zhihua, Zheng Yongkang, Zhou Xin.
Relay protection information specification
1 Scope
This document specifies the general requirements, classification and requirements, content, information model requirements, configuration file information, human-machine
Interface and information retrieval content.
This document applies to relay protection devices (hereinafter referred to as "devices") for AC 110 kV (66 kV) and above substations.
It is an important basis for the design, manufacture, inspection and operation of related equipment. Other voltage levels of substations, converter stations, power plants, etc.
implement.
Note. "Relay protection" in this document refers to relay protection related systems and equipment.
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.
in this document.
GB/T 14285 Technical specification for relay protection and safety automatic devices
GB/T 14598.24-2017 Measuring relays and protection devices Part 24.Transient data exchange in power systems
(COMTRADE) Common Format
GB/T 21711.1 Basic electromechanical relays Part 1.General principles and safety requirements
GB/T 32890 Relay protection IEC 61850 engineering application model
GB/T 34122 Technical specification for configuration of relay protection and safety automatic devices for 220 kV to 750 kV power grids
DL/T 860 (all parts) Power automation communication networks and systems
DL/T 2765 Specification for logical model of power transmission and transformation engineering
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
relay protection information
A collection of information output by the device that can reflect the operating status of the power system, the working status of the secondary circuit and the working status of the device itself.
Note. Relay protection information includes action information, alarm information, etc.
3.2
intermediate node information
Protects information generated within the device after startup.
Note. The intermediate node information includes the key logic points of the protection function, state quantities, and calculated analog quantities of the protection elements.
3.3
Intelligent electronic device; IED
Any device consisting of one or more processors that has the capability to receive and transmit data from an external source or to control an external source, i.e., an electronic multifunction
Instruments, microcomputer protection, controllers, which can perform one or more logical contact tasks within the scope of the interface under specific conditions.
entity.
[Source. DL/Z 860.2-2006, 2.59, modified]
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