GB/T 21972.1-2023 English PDFUS$549.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 21972.1-2023: Technical specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications - Part 1: YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications (frame size: 100～400) Status: Valid GB/T 21972.1: Historical versions
Basic dataStandard ID: GB/T 21972.1-2023 (GB/T21972.1-2023)Description (Translated English): Technical specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications - Part 1: YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applica Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K26 Classification of International Standard: 29.160.30 Word Count Estimation: 28,288 Date of Issue: 2023-03-17 Date of Implementation: 2023-10-01 Older Standard (superseded by this standard): GB/T 21972.1-2008 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 21972.1-2023: Technical specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications - Part 1: YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications (frame size: 100～400)---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. ICS29:160:30 CCSK26 National Standards of People's Republic of China Replace GB/T 21972:1-2008 Frequency conversion speed regulation three-phase asynchronous for hoisting and metallurgy Motor technical conditions Part 1: Frequency conversion for YZP series hoisting and metallurgy Speed-regulating three-phase asynchronous motor (frame size 100~400) Part 1: YZP seriesvariable-frequencyadjustable-speedthree-phaseinduction 2023-03-17 release 2023-10-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee table of contentsPreface III Introduction V 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Types, basic parameters and dimensions 2 5 Technical Requirements 11 6 Test method 14 7 Inspection rules 16 8 Marking, packaging and warranty period 17 Figure 1 IM1001, IM1002, IM1003, IM1004 horizontal installation motors with bases and end covers without flanges (frame size 100~132 is self-cooling type, 160~400 is self-fan cooling type) 4 Figure 2 IM3001, IM3003 frame without feet, horizontal installation motor with flange on the end cover (frame size 100~132 is self-cooling type, 160~315 is self-fan cooling type) 6 Figure 3 IM3011, IM3013 frame without feet, vertically installed motors with flanges on the end cover 8 Figure 4 The load characteristic curve of the motor 16 Table 1 Structure and installation type of motor 2 Table 2 Correspondence between the motor's nominal power, synchronous speed, rated torque, moment of inertia Jm and frame size 3 Table 3 IM1001, IM1002, IM1003, IM1004 horizontal installation motor with feet and end cover without flange 4 Table 4 IM3001, IM3003 frame without feet, horizontal installation motor with flange on the end cover 6 Table 5 IM3011, IM3013 frame without feet, vertically installed motor with flange on the end cover 8 Table 6 Dimensions and Tolerances of Shaft Extension Keys 10 Table 7 Radial circular runout tolerance 10 Table 8 Radial and axial circular runout tolerance 10 Table 9 Parallelism Tolerance 11 Table 10 Flatness Tolerance 11 Table 11 Symmetry Tolerance of Shaft Extension Keyway 11 Table 12 Guaranteed value of the ratio of maximum torque to rated torque12 Table 13 Temperature rise limit or allowable temperature of each heating part of the motor12 Table 14 Limits of vibration intensity of electric motors (effective value) 13 Table 15 A-weighted sound power level noise limit at no-load14 Table 16 Inspection items and test methods 17 Table 17 Outlet Terminal Mark 18forewordThis 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 the first part of GB/T 21972 "Technical Specifications for Three-phase Induction Motors with Variable-Frequency Regulation for Hoisting and Metallurgy": GB/T 21972 The following parts have been published: ---Part 1: YZP series hoisting and metallurgy frequency conversion speed regulation three-phase asynchronous motor (frame size 100~400); --- Part 2: YZP series hoisting and metallurgical frequency conversion speed regulation three-phase asynchronous motor (cooled by axial fan); --- Part 3: YZP series hoisting and metallurgical frequency control three-phase asynchronous motor (cooled by centrifugal fan): This document replaces GB/T 21972:1-2008 "Technical Conditions for Frequency Control Three-phase Asynchronous Motors for Hoisting and Metallurgy Part 1: YZP series three-phase asynchronous motors with variable frequency speed regulation for hoisting and metallurgy", compared with GB/T 21972:1-2008, except for structural adjustment and editing In addition to sexual changes, the main technical changes are as follows: --- Increase the motor model and example description (see 4:1); --- Added protection class IP55 (see 4:2); --- Changed the constant torque frequency range from "5~50" Hz to "3~50" Hz (see Table 2, Table 3 of the:2008 edition); ---Changed the D1 dimension of table 3~table 5 frame size 180L, and changed the K basic size of table 3 frame size 160M~225M and positional tolerances, changed the basic dimensions and positional tolerances of S in Table 4 and Table 5 for frame sizes 100L~280M, and added Table 4 and Table 5 T limit deviation of frame size 100L~315M (see Table 3~Table 5, Table 4~Table 6 of the:2008 edition); --- Changed the limit deviation of bond width (see Table 6, Table 7 of the:2008 edition); --- Added "The deviation of any phase of the DC resistance of the three-phase stator winding of the motor in the actual cold state and the average value of the three phases should not exceed ±2% of the average value" (see 5:9); --- Added "cold insulation resistance value should not be lower than 5MΩ" (see 5:10); --- Changed the overspeed test requirements (see 5:12, 4:13 of the:2008 edition); --- Added 1s withstand voltage test (see 5:13); --- Changed the inter-turn impulse withstand voltage test requirements (see 5:14, 4:15 of the:2008 edition); --- Changed the requirements for motor vibration (see 5:17, 4:18 of the:2008 edition); --- Added "The grounding terminal should not be used for other purposes except for protective grounding" (see 5:20); --- Increase the appearance and assembly quality requirements of the motor (see 5:24); --- Increased the test of motor routine items (see 5:25); --- Express the inspection rules in tabular form (see Chapter 7, Chapter 5 of the:2008 edition); ---Increase the "cooling method" item, change "rated power" to "nominal power", and change "rated frequency" to "base frequency" (see 8:2, 7:2 of the:2008 edition): Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by China Electrical Equipment Industry Association: This document is under the jurisdiction of the National Standardization Technical Committee of Rotating Electric Machines (SAC/TC26): This document is drafted by: Jiamusi Explosion-proof Motor Research Institute Co:, Ltd:, Wuxi Xindali Motor Co:, Ltd:, Jiamusi Motor Co:, Ltd: Co:, Ltd:, Shanxi Electric Machinery Manufacturing Co:, Ltd:, Anhui Wannan Electric Machinery Co:, Ltd:, Daqing Huayu Petroleum Machinery Manufacturing Co:, Ltd:, Changhang Group Wuhan Electric Co:, Ltd:, Anhui Jinfoil Electromechanical Industry Group Co:, Ltd:, Jingdezhen Jingde Electric Co:, Ltd:, Xinxiang City Tong Yong Motor Co:, Ltd:, Daqing Xindefeng Petroleum Technology Co:, Ltd:, Daqing Ruisid Petroleum Machinery Manufacturing Co:, Ltd: The main drafters of this document: Wang Weiyue, Xu Min, Pan Bo, Li Wei, Wang Liping, Zhao Guohong, Xu Haiying, Tang Wei, Wang Anhua, Hu Jinquan, Li Bin, Xi Xiaoping, Xi He: The release status of previous versions of this document and the documents it replaces are as follows: ---First published as GB/T 21972:1-2008 in:2008; --- This is the first revision:IntroductionYZP series hoisting and metallurgical frequency control three-phase asynchronous motors belong to hoisting metallurgical motors, used to drive various hoisting machinery, with It has high overload capacity and mechanical strength: With the rapid development of electronic technology and computer technology and the need to save energy, frequency control Technology has developed unprecedentedly, product categories have increased continuously, output has increased sharply, and the scope of application has expanded day by day, not only in industry, but also in business and It is widely used in other fields: GB/T 21972 aims to provide three-phase asynchronous motors with frequency conversion and speed regulation suitable for hoisting and metallurgy The product standard, standardizes and guides the production and acceptance of three-phase asynchronous motors with variable frequency speed regulation for hoisting and metallurgy, according to the cooling method of the product The difference consists of 3 parts: --- Part 1: YZP series hoisting and metallurgical frequency conversion speed regulation three-phase asynchronous motor (frame size 100~400): purpose is to Technical requirements for self-cooled or self-fan-cooled three-phase asynchronous motors with variable frequency speed regulation for metallurgy and self-cooling powered by fixed frequency converters: --- Part 2: YZP series hoisting and metallurgical frequency control three-phase asynchronous motor (cooled by axial fan): purpose is to determine Technical requirements for variable frequency speed regulation three-phase asynchronous motors for lifting and metallurgical use of frequency converter powered axial flow fan cooling type: --- Part 3: YZP series hoisting and metallurgical frequency control three-phase asynchronous motor (cooled by centrifugal fan): purpose is to determine Technical requirements for variable frequency speed regulation three-phase asynchronous motors for lifting and metallurgical use of frequency converter powered centrifugal fan cooling type: Frequency conversion speed regulation three-phase asynchronous for hoisting and metallurgy Motor technical conditions Part 1: Frequency conversion for YZP series hoisting and metallurgy Speed-regulating three-phase asynchronous motor (frame size 100~400)1 ScopeThis document specifies the type, basic Parameters and dimensions, technical requirements, test methods, inspection rules, marks, packaging and warranty period: This document is applicable to three-phase asynchronous motors (frame size 100~400): Refer to the various series of motors derived from this series of motors:2 Normative referencesThe contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: GB/T 191 Packaging, storage and transportation icon marks GB/T 755 Rating and performance of rotating electrical machines GB/T 756 Cylindrical shaft extension of rotating electrical machines GB/T 757 Conical shaft extension of rotating electrical machines GB/T 997 Classification of structural types, installation types and terminal box positions of rotating electrical machines (IM code) GB/T 1032 Three-phase asynchronous motor test method GB/T 1096 Common Type Flat Keys GB/T 1958 Product Geometric Specifications (GPS) Geometric Tolerance Testing and Verification GB/T 1971 Rotating motor wire end marking and direction of rotation GB/T 1993 Cooling methods for rotating electrical machines GB/T 2423:4 Environmental testing for electric and electronic products - Part 2: Test method Test Db: Alternating damp heat (12h 12h cycle) GB/T 4772:1 Dimensions and output power levels of rotating electrical machines Part 1: Frame size 56~400 and flange size 55~1080 GB/T 4942 Degree of protection (IP code) for the overall structure of rotating electrical machines Classification GB/T 10068 Measurement, evaluation and limit value of mechanical vibration of motor with shaft center height of 56mm and above GB/T 10069:1 Measurement methods and limits of noise of rotating electrical machines - Part 1: Measurement methods of noise of rotating electrical machines GB/T 10069:3 Measurement methods and limits of noise of rotating electrical machines - Part 3: Noise limits GB/T 12351 Environmental technical requirements for tropical rotating electrical machines GB 20237 Safety Requirements for Lifting Metallurgical and Shielded Motors GB/T 22670 Test methods for inverter-powered three-phase cage induction motors GB/T 22719:1 Inter-turn insulation of loose-embedded windings of AC low-voltage motors Part 1: Test methods GB/T 22719:2 Inter-turn insulation of random-embedded windings of AC low-voltage motors Part 2: Test limits3 Terms and DefinitionsThis document does not have terms and definitions that need to be defined: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 21972.1-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 21972.1-2023_English as soon as possible, and keep you informed of the progress. 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