GB/T 7409.1-2024 English PDFUS$559.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 7409.1-2024: Excitation systems for synchronous machines - Part 1: Definitions Status: Valid GB/T 7409.1: Historical versions
Basic dataStandard ID: GB/T 7409.1-2024 (GB/T7409.1-2024)Description (Translated English): Excitation systems for synchronous machines - Part 1: Definitions Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K21 Word Count Estimation: 28,210 Date of Issue: 2024-08-23 Date of Implementation: 2024-08-23 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 7409.1-2024: Excitation systems for synchronous machines - Part 1: Definitions---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.National Standard of the People's Republic of China ICS 29.160.20CCS K 21 Excitation systems for synchronous machines Part 1.Definitions (IEC 60034⁃16⁃1.2011, Rotating electrical machines-Part 16⁃1. Excitation systems for synchronous machines-Definitions, MOD) 2024-08-23 Release 2025-03-01 Implementation State Administration for Market Regulation The National Standardization Administration issued Replaces GB/T 7409.1-2008 Table of ContentsPreface Ⅲ Introduction...Ⅴ 1 Scope...1 2 Normative references 1 3 General Provisions 1 4 Types of excitation power units...8 5 Control functions...9 6 Types of excitation systems...10 Appendix A (Informative) Comparison of this document with IEC 60034-16-1.2011 Structure number ...11 Appendix B (Informative) Technical differences between this document and IEC 60034-16-1.2011 and their causes 13 Index...14ForewordThis 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. This document is Part 1 of GB/T 7409 "Excitation systems for synchronous motors". GB/T 7409 has been published in the following parts. --Part 1.Definitions; --Part 2.Models for power system research; -- Part 3.Technical requirements for excitation systems of large and medium-sized synchronous generators; -- Part 4.Technical requirements for excitation systems of small and medium-sized synchronous motors. This document replaces GB/T 7409.1-2008 "Definition of excitation system for synchronous motors". In addition to structural adjustments and editorial changes, the main technical changes are as follows. --Added the definition of digital excitation system (see 3.1.1); --Added the definition of reversible excitation system (see 3.1.2); --Modified the definition of excitation control (see 3.3, 2.4 of the.2008 edition); --Added the definition of excitation control system and the block diagram of excitation control system (see 3.4); --Added the definition of negative peak voltage of excitation system (see 3.17); --Added the definition of the positive peak voltage of the excitation system load (see 3.19); --Added the definition of negative peak voltage of excitation system load (see 3.20); --Modified the definition of voltage response time of excitation system (see 3.22, 2.25 of.2008 edition); --Added the definition of rise time (see 3.31); --Added the definition of voltage control main loop (see 3.36); --Added the definition of auxiliary restriction link (see 3.37); -- The definition of rotating exciter power unit has been modified (see 4.1, 3.1 of the.2008 edition); --Added the definition of auxiliary coil source static excitation power unit (see 4.2.3); --Added the definition of auxiliary excitation power unit (see 4.3). This document is modified to adopt IEC 60034-16-1.2011 "Rotating electrical machines Part 16-1.Definition of excitation systems for synchronous machines". Compared with IEC 60034-16-1.2011, this document has more structural adjustments. Comparison of structural number changes between the two documents See Appendix A for a list. This document has technical differences compared to IEC 60034-16-1.2011.The clauses involved in these differences have been marked in the outer margin. The blank positions are marked with a single vertical line (∣), and a list of corresponding technical differences and their reasons is given in Appendix B. The following editorial changes were made to this document. --To be consistent with the existing standard, the name of the standard is changed to "Synchronous Motor Excitation System Part 1.Definitions". 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 Rotating Electrical Machines (SAC/TC 26). This document was drafted by Harbin Electric Machinery Factory Co., Ltd., China Electric Power Research Institute Co., Ltd., North China Electric Power Research Institute China Southern Power Grid Energy Storage Co., Ltd., China Three Gorges International Energy Yuan Investment Group Co., Ltd., Shanghai Electric Power Plant Equipment Co., Ltd. Shanghai Generator Factory, Dongfang Electric Automatic Control Engineering Co., Ltd., NARI Technology Co., Ltd., Guangzhou Qingtian Industrial Co., Ltd., Nanjing NARI Relay Protection Electric Co., Ltd., State Grid Jibei Electric Power Co., Ltd. The company's Electric Power Research Institute, Beijing Kedian Yiheng Electric Power Technology Co., Ltd., Shanghai Yuzhang Electric Co., Ltd., Anhui Huikai Electric Co., Ltd. Co., Ltd., Liaoning Dongke Electric Power Co., Ltd., Ningbo Ouling Elevator Parts Co., Ltd., Ningbo Dechang Technology Co., Ltd., Harbin Electric Motor RESEARCH INSTITUTE LIMITED. The main drafters of this document are. Li Guoliang, Kong Xiangshuai, Li Wenfeng, Shi Yang, Li Xiantong, Zhang Jiancheng, Cui Jianhua, Xu Qipin, Xie Huan, Zeng Guangyi, Liu Xiquan, Wang Lei, Zhou Ping, Xiong Wei, Wu Long, Huang Hao, Huo Chengxiang, Yang Liqiang, Huang Donghua, Yang Dongsheng, Chen Hao, Huang Yuchang, Zhou Mi. The previous versions of this document and the documents it replaces are as follows. --First published in 1987 as GB/T 7409-1987; --First revised in.1997 as GB/T 7409.1-1997; --The second revision in.2008 was GB/T 7409.1-2008; --This is the third revision.IntroductionAs one of the core control devices of synchronous motors, the excitation system is of great significance to the stable operation of synchronous motors and power systems. With the rapid development of the national economy, the domestic and international market demand for power products has increased year by year. In order to unify the design, manufacturing and acceptance of related industries, To ensure that the product level is improved synchronously with the domestic industry manufacturing technology level and can adapt to the needs of international market competition. The "Synchronous Motor Excitation System" consists of 4 parts. --Part 1.Definitions. The purpose is to clarify the models used in the study of power systems and the large and medium-sized synchronous motor excitation systems. Definition and terminology of machine excitation system. -- Part 2.Models for power system research. The purpose is to clarify the simulation diagram of the excitation system in power system research and analysis, Mathematical model of the excitation power unit and control functions. -- Part 3.Technical requirements for excitation systems of large and medium-sized synchronous generators. The purpose is to establish the technical requirements for excitation systems of large and medium-sized synchronous generators. The basic types, basic parameters and technical requirements, inspection rules, and labeling and packaging requirements of the system. -- Part 4.Technical requirements for excitation systems of small and medium-sized synchronous motors. The purpose is to determine the general requirements for excitation systems of small and medium-sized synchronous motors. Requirements, operating conditions, performance requirements, test items and completeness of the excitation system, etc. Through independent research and testing, my country has acquired the design and manufacturing technology of excitation system. This document is prepared for power plants, design institutes, Equipment manufacturers and other related units provide a basis for the design, manufacture and maintenance of excitation systems, supporting the development of the excitation device industry This document is modified to adopt IEC 60034-16-1.2011, and combined with domestic special requirements and practical experience, it is not only for domestic excitation system It is the basic standard of the system and the preferred excitation standard in international cooperation. Excitation systems for synchronous machines Part 1.Definitions1 ScopeThis document defines the terminology for excitation systems of synchronous rotating electrical machines. This document applies to synchronous rotating electrical machine excitation systems, including hydroelectric synchronous generators, thermal power synchronous generators, nuclear power synchronous generators and Synchronous condenser, etc.2 Normative referencesThis document has no normative references. 3.General 3.1 Excitation system A device that provides field current for synchronous motors. Note. Includes all regulating and control components, excitation power units, magnetic field overvoltage suppression, demagnetization devices and other protective devices. 3.1.1 Digital excitation systemdigital excitation system A synchronous motor excitation system in which some or all of the regulation, control, limitation and protection functions are implemented using digital technology. Note. As a minimum requirement, the excitation system voltage regulation function is to be digital. 3.1.2 reversible excitation system An excitation system that can forcibly change the direction of the magnetic flux of the synchronous motor winding or excitation winding. 3.2 Exciter power unit A power source regulated by excitation control that provides field voltage and field current for synchronous motors. Note. Examples of power supplies include. - a DC motor or an AC synchronous motor and a rectifier connected thereto; --One or more transformers and the rectifiers connected to them. 3.3 Excitation control The control of the excitation power is adjusted according to the status signal characteristics of the system including the excitation power unit, the synchronous motor and the power grid connected to it. Note. The synchronous motor terminal voltage is the priority controlled variable. 3.4 Excitation control system It includes feedback control systems for synchronous motors and their excitation systems running in power systems. Note 1.This definition is used to distinguish the closed-loop control characteristics of the excitation system and the synchronous machine and the power grid connected to it from the characteristics of the separate excitation system. Note 2.Figure 1 shows the block diagram of the excitation control system. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 7409.1-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 7409.1-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 7409.1-2024_English with my colleagues?Answer: Yes. 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