GB/T 5171.1-2014 English PDF (GBT5171.1-2014)

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GB/T 5171.1-2014: Small power motors -- Part 1: General technical requirements
GB/T 5171.1-2014
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 29.130.39
K 20
Replacing GB/T 5171-2002
Small Power Motors - Part 1: General Technical
Requirements
ISSUED ON: MAY 6, 2014
IMPLEMENTED ON: OCTOBER 28, 2014
Issued by: General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 4 
1 Scope ... 7 
2 Normative References ... 7 
3 Terms and Definitions ... 9 
4 Operating Conditions ... 10 
5 Working System and Rating ... 11 
6 Measuring Instruments for Tests ... 12 
7 Controllers and Motors ... 12 
8 Rated Values ... 13 
9 Requirements for Structure ... 13 
10 Markings ... 13 
11 Temperature Rise Test ... 16 
12 Efficiency ... 21 
13 Test of Dielectric Properties ... 22 
14 Leakage Current ... 24 
15 Damp Heat Test ... 25 
16 Requirements for Performance ... 25 
17 Commutation ... 29 
18 Noise ... 30 
19 Vibration ... 32 
20 Safety ... 33 
21 Components and Parts ... 34 
22 Electromagnetic Compatibility ... 34 
23 Service Life ... 36 
24 Tolerances ... 36 
25 Inspection Rules ... 37 
26 Quality Assurance Period ... 41 
27 Complete Set ... 41 
28 Selection of Motors ... 41 
29 Packaging, Transportation and Storage ... 41 
30 Green Design ... 42 
Appendix A (informative) Determination of No-load Data Limits of Small Power
Motors through Process Capability Index Analysis ... 43 
Appendix B (informative) Selection of Motors ... 46 
Small Power Motors - Part 1: General Technical
Requirements
1 Scope
This Part of GB/T 5171 specifies the general technical requirements for small power
motors.
This Part is applicable to motors whose maximum continuous rated power does not
exceed 1.1 kW when converted to 1,500 r/min.
This Part is also applicable to other single-phase asynchronous motors with a power
other than the value mentioned above.
The special requirements for various types of motors, and other requirements not
specified in this Part shall be specified in the product standards of the various types of
motors.
2 Normative References
The following documents are indispensable to the application of this document. In
terms of references with a specified date, only versions with a specified date are
applicable to this document. In terms of references without a specified date, the latest
version (including all the modifications) is applicable to this document.
GB/T 321 Preferred Numbers - Series of Preferred Numbers
GB 755 Rotating Electrical Machines - Rating and Performance
GB/T 1032 Test Procedures for Three-phase Induction Motors
GB/T 1311 Test Procedure for Direct Current Machines
GB 1971 Rotating Electrical Machines - Terminal Markings and Direction of Rotation
GB/T 2423.3 Environmental Testing for Electric and Electronic Products - Part 2:
Testing Method - Test Cab: Damp Heat, Steady State
GB/T 2423.4 Environmental Testing for Electric and Electronic Products - Part 2: Test
Method - Test Db: Damp Heat, Cyclic (12 h + 12 h cycle)
GB/T 2829 Sampling Procedures and Tables for Periodic Inspection by Attributes
(apply to inspection of process stability)
GB/T 17626.5 Electromagnetic Compatibility - Testing and Measurement Techniques -
Surge Immunity Test
GB/T 19142 Packaging for Export Commodity - General Rule
GB/T 22672 Test Procedures for Small Power Synchronous Motors
GB/T 22719.1 Interturn Insulation of Random-wound Winding for AC Low-voltage
Electrical Machines - Part 1: Test Methods
GB/T 23686 Environmentally Conscious Design for Electrical and Electronic Products
GB/T 23688 Guide of Eco-design for Energy-using Products
GB/T 26572 Requirements of Concentration Limits for Certain Restricted Substances
in Electrical and Electronic Products
IEC 60384-14 Fixed Capacitors for Use in Electronic Equipment - Part 14: Sectional
Specification: Fixed Capacitors for Electromagnetic Interference Suppression and
Connection to the Supply Mains
3 Terms and Definitions
What is defined in GB 755, GB/T 2900.25, GB/T 2900.27 and GB 4706.1, and the
following terms and definitions are applicable to this document.
3.1 Brushless Direct Current Motor
Brushless direct current motor refers to a motor that has no brushes or mechanical
commutator, uses the rotor location detection signal to control each phase winding for
electronic commutation.
[GB/T 2900.27-2008, Definition 4.29]
3.2 Frequency-change Motor
Frequency-change motor refers to an AC motor that is powered by a variable-
frequency power source and whose operating speed can be adjusted by changing the
frequency.
3.3 Permanent Magnet Synchronous Motor
Permanent magnet synchronous motor refers to a synchronous motor whose magnetic
system contains one or more permanent magnets.
[GB/T 2900.27-2008, Definition 4.11]
3.4 Motor Controlled by Controller
4.2.1 Voltage deviation:
When the deviation between the power supply voltage (for AC power, the frequency is
rated) and the rated value does not exceed ± 5%, the motor shall be able to run
continuously, and its output torque shall still be able to maintain the rated value.
When the above-mentioned deviation occurs between the voltage and the rated value,
the temperature rise limit of the motor is allowed to exceed the stipulations in Table 1.
The excess value shall be specified in the standards on the various types of motors.
However, when the voltage deviation reaches the above-mentioned limit, and the
motor runs continuously, the maximum allowable value of the excess temperature rise
limit is 10 K.
4.2.2 Frequency deviation:
When the deviation between the frequency (voltage is rated) and the rated value does
not exceed ± 2%, the AC motor shall be able to run continuously, and its output torque
shall still be able to maintain the rated value.
4.2.3 When deviations simultaneously occur in voltage and frequency (the deviations
respectively do not exceed ± 5% and ± 2%), if the deviations are positive, and the sum
of the two does not exceed 7%, or if the deviations are negative, or respectively positive
and negative, and the sum of the absolute values of the two does not exceed 5%, then,
the output torque of the AC motor shall still be able to maintain the rated value for
continuous operation, the performance and temperature rise shall comply with the
stipulations of 4.2.1.
4.2.4 When the deviations of voltage and frequency from the rated values are greater
than the above-mentioned ranges, but when the deviation directions are the same, the
sum of the two does not exceed 13%, or when the deviation directions are opposite,
the sum of the absolute values of the two does not exceed 10%, the motor shall still
be able to maintain the rated torque for operation. In actual use, if t he motor is required
to operate under this condition, the value, duration and frequency of occurrence shall
be restricted.
4.2.5 Three-phase AC motors shall be able to operate under the condition that the
negative sequence component of the voltage of the three-phase voltage system does
not exceed 1% of the positive sequence component (long-term operation) or does not
exceed 1.5% (short-term operation for not more than a few minutes) and the zero
sequence component does not exceed 1% of the positive sequence component.
5 Working System and Rating
The working system and rating shall comply ...