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GB/T 26865.2-2023 English PDF

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GB/T 26865.2-2023: Real-time dynamic monitoring system of power system - Part 2: Protocols for data transferring
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GB/T 26865.2: Evolution and historical versions

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GB/T 26865.2-2023English1029 Add to Cart 8 days [Need to translate] Real-time dynamic monitoring system of power system - Part 2: Protocols for data transferring Valid GB/T 26865.2-2023
GB/T 26865.2-2011EnglishRFQ ASK 7 days [Need to translate] Real-time dynamic monitoring systems of power system -- Part 2: Protocols for data transferring Obsolete GB/T 26865.2-2011

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Basic data

Standard ID GB/T 26865.2-2023 (GB/T26865.2-2023)
Description (Translated English) Real-time dynamic monitoring system of power system - Part 2: Protocols for data transferring
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard F21
Classification of International Standard 29.240.01
Word Count Estimation 54,519
Date of Issue 2023-09-07
Date of Implementation 2023-09-07
Older Standard (superseded by this standard) GB/T 26865.2-2011
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 26865.2-2023: Real-time dynamic monitoring system of power system - Part 2: Protocols for data transferring


---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.
ICS 29.240.01 CCSF21 National Standards of People's Republic of China Replace GB/T 26865.2-2011 Power system real-time dynamic monitoring system Part 2.Data Transfer Protocol Published on 2023-09-07 Implemented on 2023-09-07 State Administration for Market Regulation Released by the National Standardization Administration Committee

Table of contents

PrefaceⅠ Introduction II 1 Scope 1 2 Normative reference documents 1 3 Terms and Definitions 1 4 Abbreviations 2 5 Real-time data transmission message format 2 5.1 Data format definition 2 5.2 Data Frame 4 5.3 Header frame 6 5.4 Configuration frame 6 5.5 Status Monitoring Frame 8 5.6 Command frame 9 6 Offline data transmission message format 11 6.1 Data format definition 11 6.2 Transmission command frame 12 6.3 Command parameter types 14 6.4 Event identification frame 16 6.5 Offline data frame 17 6.6 File Directory Frame 19 Appendix A (Normative) Real-time data transmission process between main station and sub-station 21 Appendix B (normative) Master station interconnection real-time data transmission process 29 Appendix C (informative) Master station issues reference phasor process 34 Appendix D (informative) CRC16 C language program example 36 Appendix E (informative) Recommended method for substation data naming 37 Appendix F (normative) SOC and FRACSEC setting rules during the leap second process 45 Appendix G (normative) Configuration frame CFG-2 generation rules 46 Appendix H (Informative) Status Monitoring Frame Example 47 Appendix I (Normative) Offline data transmission process between main station and sub-station 48 Appendix J (normative) Transmission of harmonic and interharmonic data 50

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" Drafting. This document is Part 2 of GB/T 26865 "Real-time Dynamic Monitoring System for Power Systems". GB/T 26865 has released the following part. ---Part 2.Data transfer protocol. This document replaces GB/T 26865.2-2011 "Real-time dynamic monitoring system for power systems Part 2.Data transmission protocol" and is consistent with Compared with GB/T 26865.2-2011, in addition to structural adjustments and editorial changes, the main technical changes are as follows. a) Changed the protocol version number to 4 (see Table 1, Table 17, Table 1, Table 16 of the.2011 version); b) Added status monitoring frame (see 5.5, A.11, Appendix H); c) Added continuous wave recording and transmission function (see 6.1, 6.2, 6.5); d) Added offline data compression and transmission function (see Table 28); e) Added the file transfer process issued by the main station (see Appendix I); f) Added harmonic and inter-harmonic data transmission functions (see Appendix J). Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed by the China Electricity Council. This document is under the jurisdiction of the National Electric Power System Management and Information Exchange Standardization Technical Committee (SAC/TC82). This document was drafted by. State Grid Electric Power Research Institute Co., Ltd., State Grid Co., Ltd. National Electric Power Dispatch Control Center, China Electric Power Engineering Consulting Group North China Electric Power Design Institute Co., Ltd., State Grid Jiangsu Electric Power Co., Ltd., China Electric Power Research Institute Co., Ltd. Company, Guodian NARI Technology Co., Ltd., Beijing Sifang Relay Automation Co., Ltd., China Southern Power Grid Power Dispatch Control Center, State Grid Zhejiang Electric Power Co., Ltd., China Power Purui Electric Power Engineering Co., Ltd., Nanjing Nari Relay Protection Electric Co., Ltd., State Grid Jiangsu Electric Power Co., Ltd. Electric Power Research Institute, Changyuan Shenrui Relay Protection Automation Co., Ltd., State Grid Jibei Electric Power Co., Ltd., State Grid Jilin Electric Power Co., Ltd. Co., Ltd., Guodian Nanjing Automation Co., Ltd., and Xu Ji Electric Co., Ltd. The main drafters of this document. Zhang Daonong, Hou Mingguo, Xie Xiaodong, Zhang Qibing, Chang Naichao, Li Jin, Yu Yuehai, Bian Baoyin, Du Qiwei, Xia Chenglin, Xu Yong, Wang Liang, Shi Bonian, Li Jinsong, Zheng Mingzhong, Yuan Mingjun, Han Kai, Zhao Mingyang, Liu Dong, Tang Fei, Yang Song, Wen Fuguang, Guo Fang, Li Qiang, Yu Gaowang, Chen Feng, Teng Yun, Wang Yingtao, He Chun. The previous versions of this document and the documents it replaces are as follows. ---First published in.2011 as GB/T 26865.2-2011; ---This is the first revision.

Introduction

GB/T 26865 "Real-time Dynamic Monitoring System for Power Systems" aims to establish a master station that is generally applicable to real-time dynamic monitoring systems for power systems. and the guidelines for the research and development, testing, engineering implementation and system application of the real-time dynamic monitoring system substation of the power system are planned to be composed of five parts. ---Part 1.Technical specifications. The purpose is to establish the main station of the real-time dynamic monitoring system of the power system and the real-time power system Overall technical requirements and related specifications for dynamic monitoring system substations. ---Part 2.Data transfer protocol. The purpose is to establish a system suitable for real-time dynamic monitoring of power systems between main stations, between main stations and Data exchange between substations and between synchronized phasor measurement units and phasor data concentrators within the real-time dynamic monitoring substation system method. ---Part 3.Technical specifications for synchronized phasor measuring devices. The purpose is to establish a subsystem suitable for real-time dynamic monitoring of power systems. Technical requirements and related specifications of the website. ---Part 4.Detection requirements for synchronized phasor measuring devices. The purpose is to establish a subsystem suitable for real-time dynamic monitoring of power systems. The test items, test methods, and judgment methods of test results of the station. ---Part 5.Master station system. The purpose is to establish the technical requirements and detection applicable to the master station of the real-time dynamic monitoring system of the power system. Requirements and methods of data exchange with other systems. This document serves as the data transmission protocol for the real-time dynamic monitoring system of the power system and is suitable for the main station of the real-time dynamic monitoring system of the power system. Data transmission between the main station and the sub-station, and is also suitable for real-time dynamic monitoring of the internal synchronized phasor measurement unit and phasor data of the sub-station system. Data transfer between concentrators. GB/T 28815 "Technical Specifications for Real-time Dynamic Monitoring Master Station of Electric Power System" specifies the system requirements for the master station of real-time dynamic monitoring system of electric power system. The requirements, system functions, performance indicators, system detection and testing methods, and data exchange methods with other systems are standardized. GB/T 28815 is the only standard for communication between the main station, sub-stations and main station of the dynamic monitoring system. GB/T 26862 "Specifications for Testing of Synchrophasor Measurement Devices in Power Systems" Detection Items for Substations of Real-time Dynamic Monitoring Systems of Power Systems The purpose, detection methods, and determination methods of detection results were standardized. GB/T 26862 normatively cites this document. On the one hand, it serves as the The communication functions that the substation should have are included in the detection project. On the other hand, the real-time dynamics of the detected power system are also extracted for the automatic detection system. Communication protocol support is provided for measuring measurement error determination based on the measurement data of the monitoring system substations. DL/T 280 "General Technical Conditions for Power System Synchrophasor Measurement Devices" technology for power system real-time dynamic monitoring system substations Requirements and requirements for marking, packaging, transportation, and storage are standardized. DL/T 280 is the only communication between the substation and the main station of the dynamic monitoring system. One standard. DL/T 1405.1 "Synchronized phasor measurement device for smart substations - Part 1.Communication interface specifications", DL/T 1405.2 "Smart substation Station synchronized phasor measuring device Part 2.Technical specifications", DL/T 1405.3 "Intelligent substation synchronized phasor measuring device Part 3 Three standards including "Testing Specifications" regulate the substations of the real-time dynamic monitoring system of the power system used in smart substations. DL/T 1405.1 is the only standard for communication between substations and master stations in dynamic monitoring systems. In summary, follow this document and the above-mentioned documents that normatively quote this document to carry out real-time dynamic monitoring of the power system main station, power system When conducting research and development, testing, and project implementation of real-time dynamic monitoring system substations, the differences between the latest version of this document and the.2011 version need to be considered. System compatibility issues. Power system real-time dynamic monitoring system Part 2.Data Transfer Protocol

1 Scope

This document specifies the data transmission protocol for the real-time dynamic monitoring system of the power system, including real-time data transmission protocol and offline data transmission protocol. Lose the agreement. This document is applicable to the real-time data and history between the main station and sub-stations of the power system real-time dynamic monitoring system, as well as between the main station and the main station. Transfer of historical files.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 14598.24-2017 Measuring relays and protective devices Part 24.Transient data exchange in power systems (COMTRADE)Common format GB/T 30149-2019 Power Grid General Model Description Specification DL/T 280 General technical conditions for synchronized phasor measuring devices in power systems

3 Terms and definitions

The terms and definitions defined in GB/T 14598.24-2017, GB/T 30149-2019, DL/T 280 and the following apply to this article document. 3.1 system A collection of synchronized phasor measurement units and phasor data concentrators installed in the same power plant or substation. Note. referred to as sub-site. 3.2 system Computer systems and software installed in power control centers at all levels are used to receive and forward dynamic data of substations, and complete storage, management, and Analysis, alarm, and decision-making functions. Note. Referred to as the main site. 3.3 Based on synchronized phasor measurement and modern communication technology, it is a system for monitoring and analyzing the dynamic process of a wide-area power system. Note. Including main station and sub-station.

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