Search result: GB/T 21972.2-2023 (GB/T 21972.2-2012 Older version)
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| GB/T 21972.2-2023 | English | 519 |
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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)
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GB/T 21972.2-2023
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| GB/T 21972.2-2012 | English | 839 |
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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
| Obsolete |
GB/T 21972.2-2012
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| Standard 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 applicati | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K26 | | Classification of International Standard | 29.160.30 | | Word Count Estimation | 25,227 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-12-01 | | Older Standard (superseded by this standard) | GB/T 21972.2-2012 | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Management Committee |
GB/T 21972:2-2023: Specifications for three-phase asynchronous motors with variable frequency speed regulation for hoisting and metallurgy Part 2: YZP series three-phase asynchronous motors with variable frequency speed regulation for hoisting and metallurgy (cooled by axial fans) (frame size: 100～400)
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 contents
Preface III
Introduction V
1 Range 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 18
foreword
This 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:
introduction
YZP 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 Scope
This 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 references
The 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
......
GB/T 21972.2-2012
ICS29.160.30
K26
National Standards of People's Republic of China
Crane and metallurgical VVVF three-phase asynchronous
Motor technology
Part 2. YZP series crane and metallurgical variable
Speed \u200b\u200bthree-phase asynchronous motors (axial fan cooling)
forcraneandmetalurgicalapplications-Part 2. YZPseriesvariable-frequency
applications (cooledwithaxialfan)
Issued on. 2013-06-01 2012-12-31 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Types, basic parameters and dimensions 2
4. Technical Requirements 11
14 5 Inspection Rules
6 Test methods 15
7 signs, packaging and warranty 16
Foreword
GB/T 21972 "crane and metallurgical VVVF three-phase induction motors" is divided into three parts.
Part 1. YZP series crane and metallurgical VVVF three-phase asynchronous motor;
Part 2. YZP series crane and metallurgical VVVF three-phase asynchronous motors (axial fan cooling);
Part 3. YZP series crane and metallurgical VVVF three-phase asynchronous motor (centrifugal fan cooling).
This is Part 2 GB/T 21972 in.
Rules in this section in accordance with GB/T 1.1-2009 given draft.
Please note that some of the content of this document may involve patent issuing authority of this document does not assume responsibility for the identification of these patents.
This part is proposed by the China Electrical Equipment Industrial Association.
This part of the National Standardization Technical Committee of the rotary motor (SAC/TC26) centralized.
This section is responsible for drafting unit. Institute of Jiamusi explosion-proof motor, China Changjiang National Shipping Group Motor Factory, Wuxi Tianbao Electric Co., Ltd.
Shanghai-Lu Motor Co., Ltd., Wuxi City Hengda Motor Co., Ltd., Wuxi to the new Motor Co., Ltd., Tianjin kamikawa Motor Co.,
Wuxi City Fergus Crane Motor Co., Ltd., Dalian Brook Motor Co., Ltd., Jiangxi Special Electric Co., Ltd., Hunan specialty
Motor Co., Ltd., Dalian Tianyuan Electric Co., BENYU Motor Group Limited.
The main drafters of this section. Shangzhi Kui, Tang Qinghua, Liuyu Kang, Huang Xianfeng, Wang Mingxing, Xu Min, Li Chunyan, Xue Ronghui, Wang Xuhui, Wu Dongying,
Tangsong Qing, Sun Lei Tao, ZHAO Wen-ming, Miao Feng.
Crane and metallurgical VVVF three-phase asynchronous
Motor technology
Part 2. YZP series crane and metallurgical variable
Speed \u200b\u200bthree-phase asynchronous motors (axial fan cooling)
1 Scope
This section provides YZP series crane and metallurgical VVVF three-phase asynchronous motors (axial fan cooling) the type, basic parameters
And size, technical requirements, inspection rules, test methods and marking, packaging and warranty requirements.
This section applies to the inverter power supply for various auxiliary equipment crane and metallurgical three-phase asynchronous electric drive electric cooling with axial fan
Mover (hereinafter referred to as a motor).
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 191-2008 packaging Pictorial marking (ISO 780.1997, MOD)
GB 755-2008 rotating motor fixed and performance (IEC 60034-1.2004, IDT)
GB/T 757-2010 conical rotating motor shaft extension
GB/T 997-2008 rotary electric machine structure type, installation type and classification (IM Code) (IEC 60034-7 junction box location.
2001, IDT)
GB/T 1032-2005 Test method for three-phase asynchronous motors
GB 1971-2006 rotary motor Terminal markings and direction of rotation (IEC 60034-8.2002, IDT)
GB/T 1993-1993 rotary motor cooling (eqvIEC 60034-6.1991)
GB/T 4772.1-1999 rotary motor size and power output rating - Part 1. Frame numbers 56 to 400 and flange numbers 55 to
1080 (idtIEC 60072-1.1991)
GB/T 4942.1-2006 the overall structure of the rotary motor protection (IP code) grading (IEC 60034-5.2000, IDT)
GB 10068-2008 shaft heights mechanical vibration measurement of 56mm and above the motor, evaluation and limits
(IEC 60034-14.2007, IDT)
GB/T 10069.1-2006 rotary motor noise measurement methods and limits - Part 1. Determination of the rotary motor noise
(ISO 1680.1999, MOD)
GB 10069.3-2008 rotary motor noise measurement methods and limits - Part 3. Noise limits (IEC 60034-9.2007,
IDT)
GB/T 12351-2008 tropical rotary motor ambient technical conditions
Damp heat test requirements GB/T 12665-2008 motor under normal ambient conditions
GB/T 13306-2011 signage
GB 20237-2006 metallurgical and lifting electrical shielding safety requirements
GB/T 22670-2008 inverter power supply three-phase cage induction motors Test Method
Test Method. Inter Windings insulation - Part 1 GB/T 22719.1-2008 AC low-voltage motors fitted scattered
......
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