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GB/T 1311-2024: Test methods for direct current machines
Status: Valid GB/T 1311: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 1311-2024 | English | 1239 |
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Test methods for direct current machines
| Valid |
GB/T 1311-2024
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| GB/T 1311-2008 | English | 839 |
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Test procedure for direct current machines
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GB/T 1311-2008
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| GB/T 1311-1989 | English | RFQ |
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Test procedure for direct current machines
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GB/T 1311-1989
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PDF similar to GB/T 1311-2024
Basic data | Standard ID | GB/T 1311-2024 (GB/T1311-2024) | | Description (Translated English) | Test methods for direct current machines | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K23 | | Classification of International Standard | 29.160.01 | | Word Count Estimation | 62,656 | | Date of Issue | 2024-08-23 | | Date of Implementation | 2025-03-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 1311-2024: Test methods for direct current machines---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 29.160.01
CCSK23
National Standard of the People's Republic of China
Replace GB/T 1311-2008
DC motor test methods
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 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Symbols 2
5 Basic Requirements 3
6 Determination of insulation resistance between winding and casing and between windings 7
7 Determination of winding resistance in actual cold state 8
8 Determination of shaft voltage 10
9 Determination of inductance 11
10 No-load test 14
11 Determination of voltage, current ripple factor and current waveform factor of the motor when powered by a rectifier power supply 15
12 Rated load test 17
13 Thermal test 18
14 Determination of efficiency 24
15 Adjustment test 34
16 Determination of moment of inertia 36
17 Determination of sparkless commutation area 39
18 Determination of armature current change rate 41
19 Parallel (external) excitation adjustment curve 43
20 (no-load and load) magnetic saturation curve 43
21 Other tests44
Appendix A (Normative) Correction of input current and input power 48
Appendix B (Normative) Correction of torque readings 50
Appendix C (Informative) Commutation Spark Level Determination 51
Appendix D (Normative) Determination of the DC component of load stray losses by dynamometer test 52
Appendix E (Normative) Short-circuit method of DC motor 54
References 57
Figure 1 Torque measurement 4
Figure 2 Induction method to measure the neutral line test circuit diagram 5
Figure 3 Determination of neutral line by drawing method 6
Figure 4 Principle wiring diagram of the voltmeter-ammeter method 9
Figure 5 Schematic diagram of shaft voltage measurement 11
Figure 6 Measurement of saturated armature circuit inductance under load 12
Figure 7 Test circuit for measuring saturated shunt (external) excitation winding inductance 13
Figure 8 Excitation winding inductance measurement 13
Figure 9 Uninterrupted voltage and current waveforms 16
Figure 10 Intermittent voltage and current waveforms 17
Figure 11 Principle of the feedback method test where the losses are supplied by the line power supply or the booster alone 22
Figure 12 Principle of the feedback method test where the losses are jointly supplied by the line power supply and the booster 22
Figure 13 Schematic diagram of direct measurement input and output method test 25
Figure 14 Determination of wind friction and iron loss 29
Figure 15 DC motor single power supply towing test to determine the DC component of load stray loss 30
Figure 16 Determining the AC component of load stray losses when powered by a rectifier power supply 31
Figure 17 Schematic diagram of single power supply towing test of DC motor 34
Figure 18 No-load self-deceleration curve 36
Figure 19 Determination of moment of inertia by double wire torsion pendulum method 38
Figure 20 Sparkless commutation area test circuit 39
Figure 21 Auxiliary generator to increase or decrease armature current 40
Figure 22 Specific constant speed sparkless commutation area 40
Figure 23 Test circuit for determining the rate of change of armature current 41
Figure 24 Transient change of armature current 42
Figure A.1 Measurement circuits for permanent magnet motors, series-excited motors and separately-excited motors 48
Figure A.2 Measurement circuit of shunt motor and compound motor 48
Figure A.3 Measurement circuit when testing with rectifier power supply 49
Figure E.1 Induction method to check the polarity of series-excited windings 54
Figure E.2 Reverse connection of series-excited winding short-circuit method 54
Figure E.3 Short-circuit method of controlling excitation with a power amplifier 55
Figure E.4 Short-circuit method for controlling excitation using a compound-excited DC generator 55
Figure E.5 Short-circuiting method for temporary winding series-excited winding 55
Figure E.6 Short-circuit method of reversely connecting half of the main pole winding 56
Table 1 Reference temperatures corresponding to thermal classification of insulation structures 7
Table 2 Selection of insulation resistance meter 8
Table 3 Resistivity of frog winding 10
Table 4 Time interval 21
Table 5 Efficiency test method 25
Table 6 Correction coefficients for different speed ratios 32
Table 7 Minimum inspection test items 44
Table C.1 Commutation spark level determination 51
Table D.1 Load stray loss calculation table 53
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 replaces GB/T 1311-2008 "DC Motor Test Methods". Compared with GB/T 1311-2008, in addition to structural adjustments and
In addition to logical changes, the main technical changes are as follows.
a) Added terms, definitions and symbols (see Chapter 3 and Chapter 4);
b) Changed the requirements for the accuracy of the test instrument (see 5.2, 3.2 of the.2008 edition);
c) Added the method for determining winding resistance and temperature (see 5.4);
d) Added requirements for test conditions (see 5.5);
e) The selection range of DC measurement voltage for insulation resistance meter has been changed (see 6.2, 4.2 of the.2008 edition);
f) The no-load test voltage point and the maximum test voltage have been changed (see Chapter 10, Chapter 8 of the.2008 edition);
g) The test methods for determining efficiency have been changed to include five methods. 2-1-3A, 2-1-3B, 2-1-3C, 2-1-3D and 2-1-3E (see
Chapter 14, Chapter 12 in the.2008 edition);
h) Added the test method for determining the PLL DC component by dynamometer test (see 14.4.3.3);
i) Added the test method for determining the voltage regulation of the generator and prime mover combination (see 15.3);
j) Added the requirements for parallel (or external) excitation adjustment curve test (see Chapter 19);
k) Added requirements for no-load and load magnetic saturation curve tests (see Chapter 20).
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. Shanghai Motor System Energy Saving Engineering Technology Research Center Co., Ltd., Jiangsu Weiteli Motor Co., Ltd.,
Sanyi Electric Co., Ltd., Zhejiang Jiuzhou New Energy Technology Co., Ltd., Taizhou Jinyu Electromechanical Co., Ltd., Xi'an Xima Motor Co., Ltd.
Company, Dalian Riqian Motor Co., Ltd., CRRC Yongji Motor Co., Ltd., Hangzhou Xinhengli Motor Manufacturing Co., Ltd., Foshan Shunde Le
Puda Motor Co., Ltd., Changzhou Haosheng Motor Co., Ltd., Shandong Zhaojin Group Co., Ltd., Guangdong Zhaoli Motor Group Co., Ltd.
Co., Ltd., Zhejiang Tongshida Electric Technology Co., Ltd., Shanghai Electric Science Research Institute (Group) Co., Ltd., Zhejiang Fangwei Inspection and Testing Technology Co., Ltd.
Company, Shanghai Ziyi Measurement and Control Technology Co., Ltd., Dongfang Electric Group Dongfang Electric Co., Ltd., Zhejiang Longchuang Testing Technology Co., Ltd., Jiangsu
Datong Electromechanical Co., Ltd., Cixi Sanpei Machinery Co., Ltd., Dongguan Guomeng Motor Co., Ltd., Shanghai Dianke Motor Technology Co., Ltd.,
Shanghai Special Equipment Supervision and Inspection Technology Research Institute, Jiangsu Kende Motor Co., Ltd., Harbin Electric Group Advanced Motor Technology Co., Ltd.
Co., Ltd., Jiangsu Dingxin Intelligent Manufacturing Technology Co., Ltd., and Derui Precision (Shenzhen) Co., Ltd.
The main drafters of this document are. Wang Chuanjun, Liu Qi, Gong Jianjun, Gao Shuyu, Zhong Zhiping, Ma Hongjie, Tang Min, Wang Zhen, Guo Shuling, Xu Yong, Jia Rongsheng,
Peng Dongkun, Zhang Wei, Zuo Mingming, Yang Jinyuan, Jiang Yang, Tong Zhisong, Li Baolong, Zhao Yingjie, Zhou Guanghou, Liu Jingqi.
The previous versions of this document and the documents it replaces are as follows.
--- First published as GB 1311-1977 in 1977 and first revised in 1989;
---The second revision was issued in.2008 as GB/T 1311-2008;
---This is the third revision.
DC motor test methods
1 Scope
This document specifies the test requirements for DC motors and describes the test methods.
This document applies to DC motors within the scope of GB/T 755-2019.
2 Normative references
The contents of the following documents constitute the 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 755-2019 Ratings and performance of rotating electrical machines
GB 4824-2019 Limits and measurement methods of radio frequency disturbance characteristics of industrial, scientific and medical equipment
GB/T 10068-2020 Mechanical vibration of motors with shaft center height of 56 mm and above - Measurement, evaluation and limits of vibration
GB/T 10069.1-2006 Measurement methods and limits for noise from rotating electrical machines Part 1.Measurement methods for noise from rotating electrical machines
GB/T 25442-2018 Test methods for determining losses and efficiency of rotating electrical machines (except traction motors)
3 Terms and definitions
The terms and definitions defined in GB/T 755-2019 and GB/T 25442-2018 and the following apply to this document.
3.1
A motor whose armature winding is connected to a DC system via a commutator and whose magnetic poles are excited by DC or fluctuating current or are permanent magnets.
[Source. GB/T 2900.25-2008,411-31-05]
3.2
Inspection test routine test
A test is carried out on each motor after it is manufactured to determine whether it meets the standard.
[Source. GB/T 2900.25-2008,411-53-02]
3.3
Thermal test
Test to determine the temperature rise of one or more parts of an electric machine under specified operating conditions.
[Source. GB/T 2900.25-2008, 411-53-28, modified]
3.4
Load test loadtest
A test to determine the load characteristics of a motor under specified operating conditions.
3.5
No-load test
The motor is tested with no effective mechanical output on the shaft when operating as a motor, or with the line terminals open circuit when operating as a generator.
[Source. GB/T 2900.25-2008, 411-53-57]
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