GB/T 21972.2-2023 English PDFUS$519.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 21972.2-2023: Technical specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications - Part 2: YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications (cooled with axial fan)(frame size: 100～400) Status: Valid GB/T 21972.2: Historical versions
Basic dataStandard ID: GB/T 21972.2-2023 (GB/T21972.2-2023)Description (Translated English): Technical specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications - Part 2: 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29.160.30 Word Count Estimation: 25,283 Date of Issue: 2023-05-23 Date of Implementation: 2023-12-01 Older Standard (superseded by this standard): GB/T 21972.2-2012 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 21972.2-2023: Technical specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications - Part 2: YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications (cooled with axial fan)(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. ICS 29:160:30 CCSK26 National Standards of People's Republic of China Replace GB/T 21972:2-2012 Frequency conversion speed regulation three-phase asynchronous for hoisting and metallurgy Motor technical conditions Part 2: Frequency conversion for YZP series hoisting and metallurgy Speed-regulating three-phase asynchronous motor (cooled by axial fan) (frame size 100~400) Part 2: YZP series variable-frequency adjustable-speedthree-phase Released on 2023-05-23 Implemented on 2023-12-01 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 2 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, IM1003 frame with feet, end cover without flange, horizontal installation motor 5 Figure 2 IM3001, IM3003 frame without feet, horizontal installation motor with flange on the end cover 7 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 4 Table 3 IM1001, IM1003 frame with feet, end cover without flange, horizontal installation motor 6 Table 4 IM3001, IM3003 frame without feet, horizontal installation motor with flange on the end cover 7 Table 5 IM3011, IM3013 frame without feet, vertically installed motor with flange on the end cover 9 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 Vibration intensity limit (effective value) expressed by displacement and velocity of center height H of different shafts 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 second part of GB/T 21972 "Technical Conditions for Three-phase Induction Motors with Variable-Frequency Regulation for Hoisting and Metallurgy": GB/T 21972 has issued the following parts: --- 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 flow fan) (frame size 100~ 400); ---Part 3: YZP series hoisting and metallurgical frequency conversion speed regulation three-phase asynchronous motor (cooled by centrifugal fan) (frame size 100~ 400): This document replaces GB/T 21972:2-2012 "Technical Conditions for Three-phase Asynchronous Motors with Frequency Conversion and Speed Regulation for Hoisting and Metallurgy Part 2: YZP series hoisting and metallurgical frequency conversion speed regulation three-phase asynchronous motor (cooled by axial flow fan)", compared with GB/T 21972:2-2012, except Apart from structural adjustments and editorial changes, the main technical changes are as follows: --- Added (frame number 100~400) to the file name (see cover page and Chapter 1); --- Increase the motor model and example description (see 4:1); --- Increased the protection level of the motor casing and junction box to IP55, and added "The protection level of the fan is IP54 (where the fan's outer The degree of protection of the cover is IP20)" (see 4:2); ---Changed part of the rated torque value (see Table 2, Table 2 of the:2012 edition); --- Changed the constant torque frequency range from "2:5~50" Hz to "3~50" Hz (see Table 2, Table 2 of the:2012 edition); ---Changed the D pole of frame size 180L~400L in Table 3, frame size 180L~225M in Table 4, and frame size 180L~315M in Table 5 To limit the deviation, the D1 dimension of frame size 180L in Table 3~Table 5 has been changed, and the K base of frame size 160M~225M in Table 3 has been changed: For this size and position tolerance, the AD and HA dimensions in Table 3 have been added, and the frame size 100L~225M in Table 4 and the machine size in Table 5 have been changed: For S basic dimensions and position tolerances of seat sizes 100L~280M, Table 4 for frame sizes 100L~225M and Table 5 for frame sizes are added T limit deviation of 100L~315M (see Table 3~Table 5, Table 3~Table 5 of the:2012 edition); --- Changed the limit deviation of bond width (see Table 6, Table 6 of the:2012 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); --- Added 1s withstand voltage test (see 5:13); --- Changed the inter-turn impulse withstand voltage test requirements (see 5:14, 4:14 of the:2012 edition); --- Changed the requirements for motor vibration (see 5:17, 4:17 of the:2012 edition); --- Changed the requirements for motor noise (see 5:18, 4:18 of the:2012 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:2012 edition); --- Increase the "cooling method" item, change the "rated frequency" to "reference frequency" (see 8:2, 7:2 of the:2012 edition); --- Added relevant requirements for cooling fans (see 4:5, 8:4): 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:, Jiamusi Motor Co:, Ltd:, Wuxi Xinda Electric Co:, Ltd: Co:, Ltd:, Wuxi Hongtai Motor Co:, Ltd:, Wuxi Tianbao Motor Co:, Ltd:, Qufu Jinsheng Motor Co:, Ltd:, Dalian Riqian Motor Co:, Ltd:, Daqing Huayu Petroleum Machinery Manufacturing Co:, Ltd:, Jiangxi Jiangte Electric Co:, Ltd:, Changhang Group Wuhan Electric Co:, Ltd:, Wei Fangshi Motor No: 1 Factory Co:, Ltd:, Dalian Dalma Motor Co:, Ltd:, Anhui Tonghua New Energy Power Co:, Ltd:, Jiangxi Gongbu Machinery Co:, Ltd:, Daqing Xindefeng Petroleum Technology Co:, Ltd:, Daqing Ruiside Petroleum Machinery Manufacturing Co:, Ltd: The main drafters of this document: Wang Weiyue, Wang Anguo, Xu Min, Xue Ronghui, Liu Yukang, Liu Zhongming, Wang Liping, Wang Weiguo, Xu Haiying, Wang Weiping, Tang Wei, Ren Aidong, Lu Tingxiu, Rao Qiming, Yu Lihao, 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 21972:2-2012 in:2012; --- 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 variable frequency speed regulation three-phase asynchronous motors 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 conversion speed regulation three-phase asynchronous motor (cooled by axial flow fan) (frame size 100~ 400): The purpose is to determine the frequency conversion and speed regulation three-phase asynchronous motor used in the axial flow fan cooling lifting and metallurgy powered by the frequency converter: skills requirement: ---Part 3: YZP series hoisting and metallurgical frequency conversion speed regulation three-phase asynchronous motor (cooled by centrifugal fan) (frame size 100~ 400): The purpose is to determine the frequency conversion and speed regulation three-phase asynchronous motor for lifting and metallurgical use of the centrifugal fan cooling type powered by the frequency converter skills requirement: Frequency conversion speed regulation three-phase asynchronous for hoisting and metallurgy Motor technical conditions Part 2: Frequency conversion for YZP series hoisting and metallurgy Speed-regulating three-phase asynchronous motor (cooled by axial fan) (frame size 100~400)1 ScopeThis document specifies the frequency conversion speed regulation three-phase asynchronous motor (cooled by axial flow fan) of YZP series hoisting and metallurgy (frame size 100~ 400) type, basic parameters and dimensions, technical requirements, test methods, inspection rules, signs, packaging and warranty period: This document is applicable to all kinds of hoisting machinery and metallurgical auxiliary equipment powered by frequency converter and axial flow fan cooling three-phase asynchronous motor Motive (frame size 100~400):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 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 22712 Technical specification for G series cooling fans for variable frequency 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 limits ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 21972.2-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 21972.2-2023_English as soon as possible, and keep you informed of the progress. 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