JB/T 12728-2016Specification and energy efficiency grades for Y and YX series high-voltage three-phase induction motors (frame size 355 to 630) (English PDF)
Y、YX系列高压三相异步电动机技术条件及能效分级（机座号355～630）
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
April 5, 2016
Implementation date
September 1, 2016
Scope
JB/T 12728-2016 is the English-translated version of Y、YX系列高压三相异步电动机技术条件及能效分级（机座号355～630）.
JB/T 12728-2016 is the recommended Chinese machinery industry standard for Y and YX series high-voltage three-phase induction motors with frame sizes from 355 to 630.
It sets the type, the basic parameters and dimensions, the technical requirements, the inspection rules and the requirements for marking, packaging and warranty, and it establishes the energy efficiency grades.
It is written for general purpose motors of these series, and motor series derived from them may also refer to it. Among the standards it quotes are GB 755-2008, GB/T 1032-2012, GB/T 4831-2016, GB 10068-2008, GB/T 12665-2008, GB/T 22715-2016 and GB 30254-2013. Its Chinese classification is K22 and its ICS code 29.160.30.
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Document preview — JB/T 12728-2016
National Standard of the People's Republic of China
- ICS
- 29.160.30
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 1 Scope
- 2 Normative references
- 3 Type, basic parameters and dimensions
- 4 Technical requirements
- 5 Inspection rules
- 6 Marking, packaging and warranty period
- Figure 1 Outline drawing of the mounting dimensions of the motor
- Table 1 Correspondence between frame number, speed and power
- Table 2 Mounting dimensions and tolerances of the motor
- Table 3 Dimensions and tolerances of the key of the shaft extension
- Table 4 Guaranteed values of the efficiency of the motor
- Table 5 Guaranteed values of the power factor of the motor
- Table 6 Permissible reduction of the efficiency when the motor uses sliding bearings
- Table 7 Guaranteed value of the ratio of the locked rotor torque to the rated torque
- Table 8 Guaranteed value of the ratio of the locked rotor current to the rated current
- Table 9 Tolerances of the guaranteed values of the electrical performance
- Table 10 Limit values of the vibration severity (root mean square value)
- Table 11 Inspection items
- Table 12 Marking of the terminals
What this standard covers
This standard specifies the Y, YX series of high-voltage three-phase asynchronous motor type, the basic parameters and size, technical requirements, inspection rules and signs, packaging and warranty requirements and energy efficiency classification. This standard applies to general purpose Y, YX series of high-voltage three-phase asynchronous motor (frame number 355 ~ 630) (hereinafter referred to as motor). All series of motors derived from this series of motors can also be referred to the implementation.
Document data
International classification (ICS): 29.160.30.
Chinese classification (CCS): K22.
Estimated length of the Chinese original: 15,198 words.
Standards quoted by this document
GB/T 191-2008; GB 755-2008; GB/T 997-2008; GB/T 1032-2012; GB 1971-2006; GB/T 1993-1993; GB/T 4772.2-1999; GB/T 4831-2016; GB/T 4942.1-2006; GB 10068-2008; GB/T 10069.1-2006; GB 10069.3; GB/T 12665-2008; GB 14711; GB/T 22715-2016; GB 30254-2013
3 Type, basic parameters and dimensions
4 Technical requirements
5 Inspection rules
6 Marking, packaging and warranty period
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 191-2008Graphical symbols marking for handling and storage of packages
- GB/T 997-2008Classification of types of construction, mounting arrangements and terminal box position (IM Code) for rotating electrical machines
- GB/T 1032-2012Test methods for three-phase asynchronous motors
- GB/T 1993-1993Cooling methods for rotating electrical machines
- GB/T 4772.2-1999Dimensions and output series for rotating electrical machines. Part 2: Frame numbers 355 to 1 000 and flange numbers 1 180 to 2 360
- GB/T 4831-2016Specification for model of rotating electrical motor
GB 755-2008 · GB 1971-2006 · GB/T 4942.1-2006 · GB 10068-2008 · GB 10069.3 · GB 14711
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Related Standards
GB/T 10069.1-2006 — Measurement of airborne noise emitted by rotating electrical machines and the noise limits -- Part 1: Method for the measurement of airborne noise emitted by rotating electrical machines
GB/T 1993-1993 — Cooling methods for rotating electrical machines
GB/T 22715-2016 — Impulse voltage withstand levels of form-wound stator coils for rotating a.c. machines
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JB/T 12728-2016
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