GB/T 21974-2024_English: PDF (GB/T21974-2024)
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YZRW series eddy-current braking wound-rotor three-phase induction motors for crane and metallurgical applications - Technical specification (frame size 112～315)
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GB/T 21974-2024
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| GB/T 21974-2008 | English | 489 |
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Technical specification for YZRW range of eddy-current braking wound-rotor three-phase induction motors for crane and metallurgical application
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GB/T 21974-2008
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| Standard ID | GB/T 21974-2024 (GB/T21974-2024) | | Description (Translated English) | YZRW series eddy-current braking wound-rotor three-phase induction motors for crane and metallurgical applications - Technical specification (frame size 112��315) | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K26 | | Word Count Estimation | 24,295 | | Date of Issue | 2024-08-23 | | Date of Implementation | 2024-08-23 | | Administrative Organization | National Technical Committee for Standardization of Rotating Electrical Machines (SAC/TC 26) | | Proposing organization | China Electrical Equipment Industry Association | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration | | Standard ID | GB/T 21974-2008 (GB/T21974-2008) | | Description (Translated English) | Technical specification for YZRW range of eddy-current braking wound-rotor three-phase induction motors for crane and metallurgical application | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K26 | | Classification of International Standard | 29.160.30 | | Word Count Estimation | 21,287 | | Date of Issue | 2008-06-13 | | Date of Implementation | 2009-03-01 | | Drafting Organization | Jiamusi Institute of explosion-proof motor | | Administrative Organization | National Standardization Technical Committee of rotating electrical lifting metallurgy and shielded motor Standardization Technical Committee | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 10 of 2008 (total 123) | | Proposing organization | China Electrical Equipment Industry Association | | Issuing agency(ies) | Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China | | Summary | This standard specifies the YZRW series crane and metallurgical eddy current brake wound rotor three-phase asynchronous motors terms and definitions, Types, basic parameters and dimensions, technical requirements, test methods and inspection rules and signs, packaging and warranty period requirements. This standard applies to all kinds of lifting machinery and metallurgical auxiliary equipment power transmission using eddy current brake wound rotor three-phase asynchronous motor (hereinafter referred to as eddy current brake motors) and eddy current brake, the right of this series are derived eddy current brake motors may also refer to a variety of motor execution. |
GB/T 21974-2024. Technical specification for YZRW series eddy current brake wound rotor three-phase asynchronous motors for hoisting and metallurgy (frame size 112~315)
ICS 29.160.30
CCSK26
National Standard of the People's Republic of China
Replace GB/T 21974-2008
YZRW series eddy current brake wound rotor for lifting and metallurgy
Technical specification of three-phase asynchronous motor
(Frame No. 112~315)
(framesize112~315)
Released on 2024-08-23
2025-03-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Range 1
2 Normative references 1
3 Terms and Definitions 2
4 Type, basic parameters and dimensions 2
5 Technical Requirements 7
6 Test methods 11
7 Inspection Rules 11
8 Marking, packaging and warranty period 13
Appendix A (Normative) Motor thermal test method 15
Appendix B (Normative) Test method for rated braking torque and mechanical characteristic curve of eddy current brake 16
Figure 1 IM1001, IM1003 horizontal motor with base and end cover without flange
Figure 2 IM3011, IM3013 vertical motor with base without feet and end cover with flange
Figure B.1 Test circuit for eddy current brake 16
Figure B.2 Mechanical characteristic curve of eddy current brake 17
Table 1 Motor structure and installation type 2
Table 2 Rated power of the motor, rotor moment of inertia Jm1, rotor winding open circuit voltage U2 and rated braking of the eddy current brake
The corresponding relationship between torque and limited braking torque, armature moment of inertia Jm2 and frame number 3
Table 3 IM1001, IM1003 horizontal installation motor with base and end cover without flange 4
Table 4 IM3011, IM3013 vertical motors with bases without feet and end covers with flanges 5
Table 5 Dimensions and tolerances of shaft extension keys 6
Table 6 Radial runout tolerance 6
Table 7 Radial and axial runout tolerances 6
Table 8 Parallelism tolerance 6
Table 9 Flatness tolerance 7
Table 10 Symmetry tolerance of shaft keyway 7
Table 11 Guaranteed value of the ratio of maximum torque to rated torque 8
Table 12 Temperature rise limits or allowable temperatures of various heating parts of motors 8
Table 13 Vibration intensity limits (effective values) expressed by displacement and velocity for different axis center heights H 9
Table 14 A-weighted sound power level noise limits at no load 10
Table 15 Inspection items and test methods 12
Table 16 Outlet terminal marking 13
Preface
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 replaces GB/T 21974-2008 "Technical Specification for YZRW Series Eddy Current Braking Wound Rotor Three-Phase Asynchronous Motors for Hoisting and Metallurgy"
Compared with GB/T 21974-2008, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
--- Added motor models and examples (see 4.1);
--- Changed the protection level of the motor (see 4.2, 4.1 of the.2008 edition);
---Change the frame sizes 315S1, 315S2 and 315M corresponding to rated power 55kW, 75kW and 90kW to 315S and 315M
Corresponding to 55kW and 75kW (see Table 2, Table 2 of the.2008 edition);
---Changed the D1 size of the frame size 180L in Table 3 and Table 4, changed the frame size 180L~315M in Table 3 and the frame size in Table 4
E1 limit deviation for 180L~225M, changed K basic dimension and position tolerance for frame size 160M~225M in Table 3
The basic dimensions and position tolerances of the S for frame sizes 112M~225M in Table 4 have been changed, and the tolerances of the S for frame sizes 112M~225M in Table 4 have been added.
The T limit deviation of 225M has been increased, and the shaft extension key dimensions and tolerances of the shaft extension diameter 95 in Table 5 have been added (see Table 3 to Table 5,.2008 Edition
Table 3 to Table 5);
--- Changed the limit deviation of key width (see Table 5, Table 5 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 from the average value of the three phases should not exceed
±2% of the mean value” (see 5.8);
--- Added "cold insulation resistance should not be less than 5MΩ" (see 5.9);
--- Added 1s withstand voltage test (see 5.10);
--- Changed the requirements for motor vibration and noise (see 5.16 and 5.17, 5.17 and 5.18 of the.2008 edition);
--- Deleted the provisions on the unevenness of the air gap of the motor, and cancelled the inspection of the unevenness of the air gap accordingly (see.2008 edition
5.19);
--- Added "The grounding terminal should not be used for other purposes except for protective grounding" (see 5.19);
--- Increased the requirements for motor reliability (see 5.21);
--- Added requirements for the direction of rotation of the motor (see 5.22);
--- Added requirements for motor appearance and assembly quality (see 5.24);
--- Added the test of conventional items of motor (see 5.25);
--- Change the inspection rules in Chapter 6 to test methods in Chapter 6 and inspection rules in Chapter 7.The inspection rules are expressed in tabular form (see
Chapters 6 and 7, Chapter 6 of the.2008 edition);
--- Added the "Cooling method" item (see 8.2);
--- Added requirements for outlet marking and wiring marking diagram (see 8.3 and 8.4).
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/TC26).
This document was drafted by. Jiamusi Explosion-proof Motor Research Institute Co., Ltd., Jiamusi Motor Co., Ltd., Shanxi Motor Manufacturing Co., Ltd.
Company, Anhui Wannan Electric Motor Co., Ltd., Jiangsu Special Equipment Safety Supervision and Inspection Institute, Jiangxi Gongchuang Technology Collaborative Innovation Co., Ltd.
Company, Daqing Huayu Petroleum Machinery Manufacturing Co., Ltd.
The main drafters of this document are. Wang Weiyue, Wang Anguo, Kong Xiangyong, Li Wei, Xu Chenxu, Wang Liping, Qu Jihua and Xi He.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2008 as GB/T 21974-2008;
---This is the first revision.
YZRW series eddy current brake wound rotor for lifting and metallurgy
Technical specification of three-phase asynchronous motor
(Frame No. 112~315)
1 Scope
This document defines the terms and definitions of YZRW series eddy current brake wound rotor three-phase asynchronous motors for lifting and metallurgical applications, and specifies
It describes the type, basic parameters and dimensions, and technical requirements, describes the corresponding test methods, and stipulates the inspection rules as well as the marking, packaging and storage
Use period.
This document is applicable to eddy current brake wound rotor three-phase asynchronous motors (base) for electric transmission of various lifting machinery and metallurgical auxiliary equipment
No. 112~315) and the manufacture of eddy current brakes.
2 Normative references
The 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.
GB/T 191 Pictorial markings for packaging, storage and transportation
GB/T 755 Ratings and performance of rotating electrical machines
GB/T 756 Cylindrical shaft extensions for rotating electrical machines
GB/T 757 Conical shaft extensions for 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 Test methods for three-phase asynchronous motors
GB/T 1096 Ordinary flat key
GB/T 1958 Geometrical Product Specifications (GPS) Geometric Tolerance Testing and Verification
GB/T 1971 Terminal marking and direction of rotation of rotating electrical machines
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. Cyclic damp heat (12h 12h cycle)
GB/T 4772.1 Dimensions and output power classes of rotating electrical machines Part 1.Frame sizes 56 to 400 and flange sizes 55 to 1080
GB/T 4831 Method for compiling product models of rotating electrical machines
GB/T 4942 Protection degree of rotating electrical machine integral structure (IP code) Classification
GB/T 10068 Mechanical vibration of motors with shaft center height of 56 mm and above - Measurement, evaluation and limits of vibration
GB/T 10069.1 Measurement methods and limits for noise from rotating electrical machines Part 1.Measurement methods for noise from rotating electrical machines
GB/T 10069.3 Noise measurement methods and limits for rotating electrical machines Part 3.Noise limits
GB 20237 Safety requirements for lifting metallurgy and shielded motors
GB/T 21975 Reliability test method for three-phase asynchronous motors for hoisting and metallurgy
GB/T 22719.1 Interturn insulation of loose-fitting windings of AC low-voltage motors Part 1.Test methods
GB/T 22719.2 Interturn insulation of loose-fit windings of AC low-voltage motors Part 2.Test limits
......
GB/T 21974-2008
Technical specification for YZRW range of eddy-current braking wound-rotor three-phase induction motors for crane and metallurgical application
ICS 29.160.30
K26
National Standards of People's Republic of China
YZRW series crane and metallurgical winding eddy current brake
Rotor three-phase induction motors
Posted 2008-06-13
2009-03-01 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 Terms and definitions
4 Types, basic parameters and dimensions 2
5 Technical requirements 9
12 6 Inspection Rules
7 signs, packaging and warranty 13
Appendix A (normative appendix) YZRW series crane and metallurgical eddy current brake rotor winding three-phase asynchronous motors Thermal Test Method 15
Appendix B (normative) eddy current brake rated braking torque and mechanical testing methods characteristic curve 16
Foreword
This standard Annex A, Annex B normative appendix.
The standard proposed by China Electrical Equipment Industrial Association.
This standard by the National Standardization Technical Committee rotary motor lifting metallurgical and canned motors Standardization Technical Committee (SAC/TC26 /
SC3) centralized.
This standard was drafted. Jiamusi explosion-proof electrical Institute, Jiamusi Electric Co., Ltd., Wuxi City Fergus Crane Motor shares have
Ltd., Tianjin Crane Motor Co., Ltd, China Changjiang National Shipping Group Motor Factory.
The main drafters of this standard. Miao Feng, Xin Yi, Wang Jinghui, Xue Ronghui, Pan Liguo, Tang Qinghua, on Shuhua.
YZRW series crane and metallurgical winding eddy current brake
Rotor three-phase induction motors
1 Scope
This standard specifies the terms and definitions YZRW series crane and metallurgical eddy current brake rotor winding three-phase asynchronous motors, type,
Basic parameters and dimensions, technical requirements, test methods and inspection rules and signs, packaging and warranty requirements.
This standard applies to all kinds of lifting machinery and metallurgical auxiliary equipment electric drive with eddy current brake rotor winding three-phase asynchronous motors (with
Hereinafter referred to as eddy current brake motors) and eddy current brake, the right of this series eddy current brake motor also spawned a variety of motor parameters
According to the Executive.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 191-2000 Packaging - Pictorial signs (eqv ISO 780.1997)
GB 755-2000 rotating motor fixed and performance (idt IEC 60034-1.1996)
GB/T 757-1993 conical rotating motor shaft extension
GB/T 997-2003 rotary motor structure and mounting (IM Code) (IEC 60034-7.1992, IDT)
GB/T 1032-2005 Test method for three-phase asynchronous motors
GB/T 1096-2003 Ordinary flat key (ASMEB18.25.1M.1996, NEQ)
GB/T 1993-1993 rotary motor cooling
GB/T 2423.4-1993 electric and electronic products environmental testing procedures Test Db. Damp heat test, cyclic (eqv IEC 60068-
2-30. 1980)
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 (idt IEC 60072-1.1991)
GB/T 4942.1-2006 overall structure of the rotary motor protection (IP code) Classification (IEC 60034-5.2000, IDT)
GB 10068-2000 shaft heights mechanical vibration measurement of 56mm and above the motor, evaluation and limits
(IEC 60034-14.1996, IDT)
Rotary motor noise measurement method. GB/T 10069.1-2006 motor rotation method and measurement noise limits - Part 1
(ISO 1680.1999, MOD)
GB 10069.3-2006 rotary motor noise measurement methods and limits - Part 3. Noise limits (IEC 60034-9.1997,
IDT)
GB/T 13306-1991 signage
GB 20237-2006 lifting metallurgical motor safety requirements and shielding
Room Windings insulation test method JB/T 9615.1-2000 AC low-voltage motors fitted scattered
JB/T 9615.2-2000 AC low-voltage motors embedded scattered among Windings insulation test limits
3 Terms and Definitions
The following terms and definitions apply to this standard.
......
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