IEEE 112 2004

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IEEE Standard Test Procedure for Polyphase Induction Motors and Generators

Published By	Publication Date	Number of Pages
IEEE	2004	87

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Description

Revision Standard – Active. Revision of IEEE Std 112 -1996 This standard covers instructions for conducting and reporting the more generally applicable and acceptable tests of polyphase induction motors and generators. Many of the tests described may be applied to both motors and generators, as needed, and no attempt is made to partition the test procedure into clauses and subclauses that separately apply to motors or to generators.

PDF Catalog

PDF Pages	PDF Title
1	IEEE Standard Test Procedure for Polyphase Induction Motors and Generators
3	Title page
5	Introduction
6	Participants
7	CONTENTS
9	1. Overview 1.1 Scope 1.2 Purpose 2. References
10	3. General 3.1 Power Supply 3.1.1 Selection 3.1.2 Waveform 3.1.3 Voltage unbalance 3.1.4 Frequency
11	3.2 Types of tests 3.2.1 Typical 3.2.2 Preliminary tests 3.2.3 Idle running tests 3.2.4 Tests with load 3.2.5 Tests with rotor locked
12	3.2.6 Choice of tests 3.3 Standardized temperatures 3.3.1 Reference ambient temperature 3.3.2 Specified temperature 3.4 Use of this standard
13	3.5 Precautions 4. Measurements 4.1 Electrical 4.1.1 RMS quantities 4.1.2 Instrument selection
14	4.1.3 Instrument transformers 4.1.4 Voltage 4.1.5 Current 4.1.6 Power 4.2 Resistance 4.2.1 Instrument selection
15	4.2.2 Resistance measurement 4.3 Mechanical 4.3.1 Power 4.3.2 Speed and slip 4.4 Temperature 4.4.1 Methods of measuring temperatures
17	4.4.2 Ambient temperature 4.5 Procedure 4.6 Safety 5. Machine losses and tests for losses
18	5.1 Types of losses 5.2 Stator I2R loss 5.2.1 Resistance correction for temperature
19	5.3 Rotor I2R loss 5.3.1 Slip
20	5.3.2 Slip correction for temperature 5.4 Winding resistance-cold 5.5 No-load test 5.5.1 Bearing loss stabilization 5.5.2 No-load current
21	5.5.3 No-load losses 5.5.4 Friction and windage 5.5.5 Core loss 5.6 Load test 5.6.1 Dynamometer loading
23	5.6.2 Direct loading with no torque measurement 5.6.3 Duplicate machine loading 5.7 Stray-load loss 5.7.1 Indirect measurement 5.7.2 Direct measurement
26	5.7.3 Alternate direct method for wound-rotor motors 5.7.4 Assumed stray-load loss
27	5.8 Temperature test 5.8.1 Purpose 5.8.2 General instructions 5.8.3 Loading method
29	5.8.4 Procedure
31	5.8.5 Temperature rise
32	5.9 Equivalent circuit
33	5.9.1 Impedance tests
34	5.9.2 Calculation of parameters-Method 1
36	5.9.3 Calculation of parameters-Method 2 5.9.4 Calculation of parameters-Method 3
39	5.9.5 Calculation of parameters-Method 4
40	5.10 Brush-contact loss 5.11 Power factor 5.11.1 Indirectly obtained 5.11.2 Directly obtained
41	5.11.3 Equivalent circuit calculation 6. Determination of efficiency 6.1 General 6.2 Efficiency test methods
42	6.2.1 Guide for choice of efficiency test method 6.3 Efficiency Test Method A-Input-output 6.3.1 Test procedure
43	6.3.2 Efficiency 6.4 Efficiency Test Method B-Input-output with loss segregation 6.4.1 Test procedure
44	6.4.2 Calculations
46	6.4.3 Corrections 6.4.4 Efficiency 6.4.5 Power factor
47	6.4.6 Summary of characteristics 6.5 Efficiency Test Method B1-Input-output with loss segregation and assumed temperature 6.5.1 Test procedure
48	6.5.2 Calculations 6.5.3 Corrections
49	6.5.4 Efficiency 6.5.5 Power factor 6.6 Efficiency Test Method C-Duplicate machines
50	6.6.1 Test procedure
51	6.6.2 Calculations
53	6.6.3 Corrections
54	6.6.4 Efficiency 6.6.5 Power factor 6.6.6 Summary of characteristics 6.7 Efficiency Test Method E or E1-Electrical power measurement with loss segregation 6.7.1 Test procedure
55	6.7.2 Calculations 6.7.3 Motor/generator performance
56	6.8 Efficiency Test Method F or F1-Equivalent circuit 6.8.1 Test procedure 6.8.2 Calculation form
57	6.8.3 Calculation of maximum torque 6.9 Efficiency Test Method C/F, E/F, or E1/F1-Equivalent circuit calibrated with one load point 6.9.1 Stray-load loss
58	6.9.2 Calculations form 7. Other performance tests 7.1 Rotor voltage 7.2 Locked-rotor tests 7.2.1 Current 7.2.2 Torque
59	7.2.3 Power 7.3 Tests for speed-torque and speed-current curves 7.3.1 Definitions 7.3.2 Speed-torque and speed-current curves procedure
62	7.3.3 Correction of data for tests performed at reduced voltage 8. Miscellaneous tests 8.1 Insulation resistance
63	8.2 High-potential test 8.2.1 General 8.2.2 Measurement 8.2.3 Connections 8.2.4 Test voltage 8.2.5 Voltage application
64	8.3 Shaft current and voltage 8.3.1 Test to measure shaft potential for circulating shaft currents 8.3.2 Test to measure possible level of shaft current 8.3.3 Other methods
65	8.4 Bearing insulation resistance 8.4.1 Method 1 8.4.2 Method 2 8.5 Noise 8.6 Balance and vibration 8.6.1 Rotor balance 8.6.2 Vibration 8.7 Overspeed
66	9. Forms 9.1 Test forms and support information 9.1.1 Summary of characteristics
67	9.2 Form A-Method A
68	9.3 Form A2-Method A calculations
69	9.4 Form B-Method B
70	9.5 Form B2-Method B calculations
71	9.6 Form B1-Method B1
72	9.7 Form B1-2-Method B1 calculations
73	9.8 Form C-Method C
75	9.9 Form C2-Method C Calculations
77	9.10 Form E-Method E-E1
78	9.11 Form E2-Method E-E1 calculations
79	9.12 Form F-Methods F, F1, C/F, E/F, and E1/F1
80	9.13 Form F2-Methods F, F1, C/F, E/F, and E1/F1 calculations
81	9.14 Test and equivalent circuit results
82	Annex A (informative) Bibliography
83	Annex B (informative) Typical report of test form for routine tests
84	Annex C (informative) Typical report of test form
85	Annex D (informative) Units of measure