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Basic dataStandard ID: GB/T 14598.2-2025 (GB/T14598.2-2025)Description (Translated English): Measuring relays and protection equipment - Part 1: Common requirements Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K45 Classification of International Standard: 29.120.70 Word Count Estimation: 42,426 Date of Issue: 2025-05-30 Date of Implementation: 2025-05-30 Older Standard (superseded by this standard): GB/T 14598.2-2011 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 14598.2-2025: Measuring relays and protection equipment - Part 1: Common requirements---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 29.120.70 CCSK45 National Standard of the People's Republic of China Replaces GB/T 14598.2-2011 Measuring relays and protection devices Part 1.General requirements (IEC 60255-1.2022, IDT) Released on 2025-05-30 2025-05-30 Implementation State Administration for Market Regulation The National Standardization Administration issued Table of contentsPreface III Introduction V 1 Scope 1 2 Normative references 1 3 Terms, definitions and abbreviations 2 3.1 Terms and definitions 2 3.2 Abbreviations 7 4 Environmental conditions 8 4.1 Overview 8 4.2 Normal Environmental Conditions 8 4.3 Special environmental conditions 9 4.4 Storage conditions 9 4.5 Conditions of transport 9 5 Rating 9 5.1 General Principles 9 5.2 Rated voltage 10 5.3 Rated input excitation current 10 5.4 Switching input and output ports 10 5.5 Transmitter analog input and output ports 12 5.6 Frequency 12 5.7 Rated power consumption 12 5.8 Rated ambient temperature 12 6 Design and manufacturing13 6.1 Sign 13 6.2 Size 13 6.3 Enclosure protection 13 6.4 Product safety requirements 13 6.5 Functional performance requirements 13 6.6 Communication Protocol 14 6.7 Network Security 14 6.8 Switching input and output ports 15 6.9 Transmitter analog input and output ports 15 6.10 Characteristic excitation quantity input port 15 6.11 Contact form and static form switch output performance 16 6.12 Climate and environmental performance 16 6.13 Mechanical requirements 21 6.14 Pollution21 6.15 Electromagnetic Compatibility (EMC) 21 7 Test 21 7.1 Test reference conditions 21 7.2 Test Item 23 7.3 Power consumption test 24 7.4 Type test report 25 8 Marking, labelling and packaging25 9 Product documentation and technical information 25 Appendix A (Normative) Type Test Guidelines 27 Appendix B (Informative) Operating Environment of Different Installation Locations 31 Reference 34ForewordThis 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 1 of GB/T 14598.GB/T 14598 has been published in the following parts. ---GB/T 14598.2 Measuring relays and protection devices Part 1.General requirements; ---GB/T 14598.3 Electrical relays Part 5.Insulation coordination requirements and tests for measuring relays and protection devices; ---GB/T 14598.8 Electrical relays Part 20.Protection systems; ---GB/T 14598.23 Electrical relays Part 21.Vibration, shock, impact and earthquake of measuring relays and protective devices Test Part 3.Earthquake Test; ---GB/T 14598.24 Measuring relays and protection devices Part 24.Transient data exchange in power systems (COMTRADE) Common format; ---GB/T 14598.26 Measuring relays and protection devices Part 26.Electromagnetic compatibility requirements; ---GB/T 14598.27 Measuring relays and protection devices Part 27.Product safety requirements; ---GB/T 14598.118 Measuring relays and protection devices Part 118.Synchronous phasor measurement in power systems; ---GB/T 14598.121 Measuring relays and protection devices Part 121.Requirements for distance protection functions; ---GB/T 14598.127 Measuring relays and protection devices Part 127.Over/undervoltage protection function requirements; ---GB/T 14598.149 Measuring relays and protection devices Part 149.Functional requirements of electric heating relays; ---GB/T 14598.151 Measuring relays and protection devices Part 151.Over/under current protection function requirements; ---GB/T 14598.181 Measuring relays and protection devices Part 181.Requirements for frequency protection functions; ---GB/T 14598.300 General technical requirements for transformer protection devices; ---GB/T 14598.301 Technical requirements for continuous recording devices in power systems; ---GB/T 14598.302 Technical requirements for arc protection devices; ---GB/T 14598.303 General technical requirements for digital integrated motor protection devices; ---GB/T 14598.1871 Measuring relays and protection devices Part 187-1.Functional requirements for differential protection of motors, Generator and transformer ratio brake differential protection and differential quick-break protection. This document replaces GB/T 14598.2-2011 "Measuring relays and protection devices Part 1.General requirements" and Compared with GB/T 14598.2-2011, in addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Added description of typical application scenarios of measuring relays and protection devices specified in this document (see Chapter 1); --- Added the definition of communication port terms (see 3.1.10) and network security requirements (see 6.7); --- Added the definition of low power transformer terminology (see 3.1.20, 3.1.21, 3.1.22), and changed the secondary relay requirements accordingly (see 5.2.1.2, 5.3.2, 5.2.1.2, 5.3.1.2 of the.2011 edition) and setting requirements (see A.2.3, A.2.4, A.2.6,.2011 edition) A.2); --- Added the definition of terms for merging units (see 3.1.23) and related requirements (see 6.5.1, 7.2, B.1); --- Changed the test reference condition items, added battery monitoring port, switch input, switch output, wired network port, Maintenance port, human-machine interface HMI (display), grounding port (see Table 11 in 7.1 and Table 10 in 7.2 of the.2011 edition); --- Deleted transportation, storage, installation, operation and maintenance (Chapter 9 of the.2011 edition) --- Added the requirement to provide detailed description of derating (if any) in the instruction manual (see Chapter 9); --- Changed the type test guidelines for setting the setting value of protection equipment (see Appendix A, Appendix A of the.2011 edition); --- Added operating environment for different installation locations (see Appendix B); --- Deleted the informative appendix inherent accuracy, action accuracy and overall system accuracy (Appendix B of the.2011 edition); --- Deleted the informative appendix reliability test guide (Appendix C of the.2011 edition). This document is equivalent to IEC 60255-1.2022 "Measuring relays and protection devices Part 1.General requirements". The following minimal editorial changes were made to this document. --- In order to correct the typo in the original IEC text, 3.1.17 was modified to change "151-06-31" to "151-16-31". 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 Electrical Equipment Industry Association. This document is under the jurisdiction of the National Technical Committee for Standardization of Measuring Relays and Protection Equipment (SAC/TC154). This document was drafted by. Nanjing NARI Relay Protection Engineering Technology Co., Ltd., Xuchang Cape Electric Research Institute Co., Ltd., State Grid Corporation of China The company's National Electric Power Dispatching and Control Center, China Southern Power Grid Electric Power Dispatching and Control Center, Zhuhai Cape Testing Technology Co., Ltd., Huazhong Science and Technology University, Nanjing Power Supply Branch of State Grid Jiangsu Electric Power Co., Ltd., Electric Power Research Institute of State Grid Gansu Electric Power Co., Ltd., State Grid Anhui Electric Power Co., Ltd. Power Science Research Institute Co., Ltd., Xuchang Cape Testing Research Institute Co., Ltd., China Electric Power Research Institute Co., Ltd., Changyuan Shenzhen Ruijibao Automation Co., Ltd., Xuji Electric Co., Ltd., Dongfang Electronics Co., Ltd., Zhuhai Wanlida Electric Automation Co., Ltd. Ltd., NARI Technology Co., Ltd., Yunnan Electric Power Research Institute (Group) Co., Ltd., State Grid Hebei Electric Power Co., Ltd., Guodian Nanjing Automation Co., Ltd., Beijing Sifang Relay Protection Engineering Technology Co., Ltd., Shanghai Huajian Electric Power Equipment Co., Ltd., Shanghai Siyuan Hongrui Automation Co., Ltd. and Beijing Qingneng Relay Control Technology Group Co., Ltd. The main drafters of this document are. Zhao Xicai, Hu Xiaojing, Xu Kai, Peng Ye, Yin Xianggen, Chen Hao, Yao Rui, Zheng Wei, Gao Bo, Li Jia, Liu Longhao, Liu Hongjun, Li Baowei, Quan Xianjun, Zhu Zhiwei, Pan Shuyan, Ding Xinzhi, Xue Yushi, Zhang Yao, Du Zhaoqiang, Wang Qi, Qin Guifeng, Liang Xinyu, and Zhu Changyin. The previous versions of this document and the documents it replaces are as follows. ---First published in.1993 as GB/T 14047-1993, first revised in.2011 and published in parts. This document corresponds to GB/T 14598.2-2011. ---This is the second revision.IntroductionThe IEC 60255 series of standards specifies the technical requirements and power system solutions for measuring relays and protection devices, as well as related IEC 60255-1~IEC 60255-99 specifies the basic general requirements for relays and protection devices. Requirements, mainly including basic functions, mechanical properties, electromagnetic compatibility performance, product safety requirements, common format for transient data exchange, etc.; IEC 60255-100~IEC 60255-199 specifies frequency protection, overcurrent/undercurrent protection, overvoltage/undervoltage protection, and distance protection. Functional performance requirements and test methods for major protection modules (the last two digits of the standard number correspond to IEEE Std C 37.2-2008 [25]) IEC 60255-200~IEC 60255-299 have carried out special research in the form of technical reports, and have made some research on other protective equipment. The technical requirements for the related control, monitoring and process interface equipment are specified. The purpose of formulating GB/T 14598 is to stipulate unified principles that are consistent with the above characteristics. These principles are applicable to power generation, transmission and distribution systems. Measuring relays and protection devices used in systems. GB/T 14598 currently consists of 18 parts. --- Part 1.General requirements for measuring relays and protection devices. The purpose is to specify measuring relays and protection devices and the General rules and requirements for power system protection schemes consisting of these devices such as control, monitoring and process interface equipment. --- Part 3.Insulation coordination requirements and tests for measuring relays and protection devices. The purpose is to specify the insulation coordination requirements for measuring relays and protection devices. General requirements for insulation coordination of devices, including how to select electrical clearances and creepage distances, voltage tests, insulation resistance measurements, etc. --- Part 8.Protection system. The purpose is to specify the performance requirements of the entire protection system and its components, applicable to all types of protection Protective devices and devices connected to the protective devices that have an impact on them. --- Part 23.Earthquake test. The purpose is to specify the test methods, test conditions, Test severity levels, test procedures and acceptance criteria. --- Part 24.Common format for power system transient data exchange (COMTRADE). The purpose is to define a common data Interchange format, used to store data files and exchange media for various types of faults, tests, and simulations. Defines the general purpose of data exchange format, which is conducive to improving the analysis, testing, evaluation and simulation of power systems and their protection and control measures under fault disturbance conditions. Automated level. --- Part 26.Electromagnetic compatibility requirements. The purpose is to specify the electromagnetic compatibility requirements for measuring relays and protection devices, including electromagnetic Emissions and Immunity. --- Part 27.Product safety requirements. The purpose is to specify the basic safety requirements for measuring relays and protection devices so that The risk of fire, electric shock or injury to the user is minimized. This standard also applies to devices used with measuring relays and protective devices Test and auxiliary devices used. --- Part 118.Power system synchronized phasor measurement. The purpose is to specify the performance classification of synchronized phasor measurement and the performance of each performance Evaluation methods and performance indicators for steady-state performance and dynamic performance of energy categories. --- Part 121.Distance protection functional requirements. The purpose is to specify the functions and performance evaluation of distance protection on power system lines. minimum requirements for pricing, and how performance test results should be recorded and published. --- Part 127.Over/undervoltage protection function requirements. The purpose is to specify the minimum requirements for over/undervoltage relays, including protection Specifications of functions, measurement characteristics and delay characteristics. --- Part 149.Functional requirements for electric thermal relays. The purpose is to specify the minimum requirements for electric thermal relays, including protection functions, measurement Specifications for quantitative characteristics and test methods. --- Part 151.Over/under current protection function requirements. The purpose is to specify the minimum requirements for over/under current relays, including protection Specifications of functions, measurement characteristics and delay characteristics. --- Part 181.Frequency protection function requirements. The purpose is to specify the minimum requirements for frequency protection functions and performance evaluation, and to record Methods for recording and publishing performance test results. --- Part 300.General technical requirements for transformer protection devices. The purpose is to specify the technical requirements, test Methods, inspection rules, marking and labeling, packaging, transportation and storage requirements, etc. --- Part 301.Technical requirements for continuous recording devices in power systems. The purpose is to specify the technical requirements for continuous recording devices in power systems. Requirements, test methods, inspection rules, marking labels, packaging, transportation and storage requirements, etc. --- Part 302.Technical requirements for arc protection devices. The purpose is to specify the technical requirements, test methods, inspection and Inspection rules, marking and labeling, packaging, transportation and storage requirements. --- Part 303.General technical requirements for digital motor integrated protection devices. The purpose is to specify the general technical requirements for digital motor integrated protection devices. General technical requirements, test methods, inspection rules, marking labels, packaging, transportation and storage requirements for protective devices. --- Part 1871.Functional requirements for differential protection of motors, generators and transformers Ratio brake differential protection and differential quick-break Protection. The purpose is to define the functions and performance of (longitudinal) differential protection for AC motors, generators and transformers. Minimum requirements for evaluation. This document is Part 1 of GB/T 14598.The publication and implementation of this document will help promote the technological progress of equipment manufacturers and improve production quality. product quality, integrate into the international standard trade system, and smooth the channel for products to enter the international market; guide third-party testing agencies to carry out corresponding testing Activities; Provide technical specifications for the design, production, testing and use of measuring relays and protection equipment products. Measuring relays and protection devices Part 1.General requirements1 ScopeThis document specifies the measurement relays and protection devices and the sub-assemblies consisting of control equipment, monitoring equipment and process interface equipment. This document covers the general rules and requirements for distributed relay protection in order to harmonize their technical requirements and test methods. Other emerging technologies may have specific electromagnetic compatibility and safety issues, but the principles specified in this document are applicable. This document is applicable to measuring relays and protection devices. If there are special provisions in other standards in this series, these special provisions shall take precedence. Typical application scenarios for measuring relays and protection devices include power plants, substations and factories where electrical equipment needs to be protected. place. For special use environments (such as navigation, railways, aerospace, explosive environments, computer centers, etc.), additional specifications may be prepared based on this document. Special requirements.2 Normative referencesThe contents of the following documents constitute 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. Tests-TestA.Cold) Note. GB/T 2423.1-2008 Environmental testing for electric and electronic products Part 2.Test methods Test A. Low temperature (IEC 60068-2-1.2007, IDT) Tests-Test B.Dryheat) Note. GB/T 2423.2-2008 Environmental testing for electric and electronic products Part 2.Test methods Test B. High temperature (IEC 60068-2-2.2007, IDT) Part 2-14.Tests-TestN.Changeoftemperature) Note. GB/T 2423.22-2012 Environmental testing Part 2.Test method Test N. Temperature change (IEC 60068-2-14.2009, IDT) IEC 60068-2-30 Environmental testing Part 2-30.Test method Test Db. Cyclic damp heat (12h 12h cycle) Envi- Note. GB/T 2423.4-2008 Environmental testing for electric and electronic products Part 2.Test method Test Db. Cyclic damp heat (12h 12h cycle) (IEC 60068-2-30.2005, IDT) IEC 60068-2-78 Environmental testing Part 2-78.Test method Test Cab. Steady state damp heat test (Environmental Note. GB/T 2423.3-2016 Environmental testing Part 2.Test method Test Cab. Steady state damp heat test (IEC 60068-2-78.2012, IDT) IEC 60255-21-1 Electrical relays Part 21.Vibration, shock, impact and seismic tests on measuring relays and protection devices Part 1.Vibration test (sinusoidal) [Electrical relays-Part 21.Vibration, shock, bump and seismic tests Note. GB/T 11287-2000 Electrical relays Part 21.Vibration, shock, impact and earthquake tests on measuring relays and protection devices Part 1 Part. Vibration test (sinusoidal) (idtIEC 60255-21-1.1988) ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 14598.2-2025_English be delivered?Answer: Upon your order, we will start to translate GB/T 14598.2-2025_English as soon as possible, and keep you informed of the progress. 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