IEEE 112 2017:2018 Edition

$80.71

IEEE Standard Test Procedure for Polyphase Induction Motors and Generators

Published By	Publication Date	Number of Pages
IEEE	2018	115

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Description

Revision Standard – Active. Instructions for conducting and reporting the more generally applicable and acceptable tests of polyphase induction motors and generators are covered.

PDF Catalog

PDF Pages	PDF Title
1	IEEE Std 112-2017 Front Cover
2	Title page
4	Important Notices and Disclaimers Concerning IEEE Standards Documents
7	Participants
9	Introduction
10	Contents
12	1. Overview 1.1 Scope 1.2 Purpose 2. Normative references
13	3. General 3.1 Power supply 3.1.1 Selection 3.1.2 Waveform 3.1.3 Voltage unbalance
14	3.1.4 Frequency 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
15	3.2.5 Tests with rotor locked 3.2.6 Choice of tests 3.3 Standardized temperatures 3.3.1 Reference ambient temperature 3.3.2 Specified temperature
16	3.4 Use of this standard 3.5 Precautions 4. Measurements 4.1 Electrical 4.1.1 RMS quantities
17	4.1.2 Instrument selection 4.1.3 Instrument transformers
18	4.1.4 Voltage 4.1.5 Current 4.1.6 Power 4.1.7 Frequency 4.2 Resistance 4.2.1 Instrument selection 4.2.2 Resistance measurement
19	4.3 Mechanical 4.3.1 Power 4.3.2 Speed and slip
20	4.4 Temperature 4.4.1 Methods of measuring temperatures
21	4.5 Procedure 4.6 Safety
22	5. Machine losses and tests for losses 5.1 Overview 5.2 Types of losses 5.3 Stator I2R loss 5.3.1 Overview
23	5.3.2 Resistance correction for temperature 5.4 Rotor I2R loss 5.4.1 Overview
24	5.4.2 Slip 5.4.3 Slip correction for temperature
25	5.5 Winding resistance—cold 5.6 No-load test 5.6.1 Overview 5.6.2 Bearing loss stabilization
26	5.6.3 No-load current 5.6.4 No-load losses 5.6.5 Friction and windage loss 5.6.6 Core loss 5.7 Load test 5.7.1 Overview
27	5.7.2 Dynamometer loading
28	5.7.3 Direct loading with no torque measurement
29	5.7.4 Duplicate machine loading 5.8 Stray-load loss 5.8.1 Introduction 5.8.2 Indirect measurement 5.8.3 Direct measurement 5.8.4 Introduction
32	5.8.5 Alternate direct method for wound-rotor motors 5.8.6 Assumed stray-load loss
33	5.9 Temperature test 5.9.1 Purpose 5.9.2 General instructions
34	5.9.3 Loading method
42	5.9.4 Procedure
45	5.9.5 Temperature rise
46	5.10 Equivalent circuit 5.10.1 Introduction
47	5.10.2 Impedance tests
48	5.10.3 Calculation of parameters—Method 1
51	5.10.4 Calculation of parameters—Method 2 5.10.5 Calculation of parameters—Method 3
54	5.10.6 Calculation of parameters—Method 4
55	5.11 Brush-contact loss 5.12 Power factor 5.12.1 Indirectly obtained
56	5.12.2 Directly obtained 5.12.3 Equivalent circuit calculation 6. Determination of efficiency 6.1 General
57	6.2 Efficiency test methods 6.2.1 Overview 6.2.2 Guide for choice of efficiency test method
58	6.3 Efficiency Test Method A—Input-output 6.3.1 Overview 6.3.2 Test procedure
59	6.3.3 Efficiency 6.4 Efficiency Test Method B—Input-output with loss segregation 6.4.1 Introduction 6.4.2 Test procedure
60	6.4.3 Calculations
62	6.4.4 Corrections
63	6.4.5 Efficiency 6.4.6 Power factor 6.4.7 Summary of characteristics
64	6.5 Efficiency Test Method B1—Input-output with loss segregation and assumed temperature 6.5.1 Introduction 6.5.2 Test procedure
65	6.5.3 Calculations
66	6.5.4 Corrections 6.5.5 Efficiency 6.5.6 Power factor 6.5.7 Summary of characteristics
67	6.6 Efficiency Test Method C—Duplicate machines 6.6.1 Introduction 6.6.2 Test procedure
68	6.6.3 Calculations
71	6.6.4 Corrections
72	6.6.5 Efficiency 6.6.6 Power factor 6.6.7 Summary of characteristics 6.7 Efficiency Test Method E or E1—Electrical power measurement with loss segregation 6.7.1 Introduction 6.7.2 Test procedure
73	6.7.3 Calculations
74	6.7.4 Motor/generator performance 6.8 Efficiency Test Method F or F1—Equivalent circuit 6.8.1 Introduction 6.8.2 Test procedure
75	6.8.3 Calculation form 6.8.4 Calculation of maximum torque
76	6.9 Efficiency Test Method C/F, E/F, or E1/F1—Equivalent circuit calibrated with one load point 6.9.1 Introduction 6.9.2 Stray-load loss
77	7. Other performance tests 7.1 Rotor voltage 7.2 Locked-rotor tests 7.2.1 Current 7.2.2 Torque
78	7.2.3 Power 7.3 Tests for speed-torque and speed-current curves 7.3.1 Definitions
79	7.3.2 Speed-torque and speed-current curves procedure
82	7.3.3 Correction of data for tests performed at reduced voltage 8. Miscellaneous tests 8.1 Insulation resistance 8.2 High-potential test 8.2.1 General 8.2.2 Measurement 8.2.3 Connections
83	8.2.4 Test voltage 8.2.5 Voltage application 8.3 Shaft current and voltage 8.3.1 Overview
84	8.3.2 Test to measure shaft potential for circulating shaft currents 8.3.3 Test to measure possible level of shaft current 8.3.4 Other methods 8.4 Bearing insulation resistance 8.4.1 Method 1
85	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 tests 8.7.1 General
86	8.7.2 Procedure 9. Forms 9.1 Test forms and support information 9.1.1 Overview 9.1.2 Summary of characteristics
87	9.2 Form A—Method A
88	9.3 Form A2—Method A calculations
89	9.4 Form B—Method B
90	9.5 Form B2—Method B calculations
91	9.6 Form B1—Method B1
92	9.7 Form B1-2—Method B1 calculations
93	9.8 Form C—Method C
95	9.9 Form C2—Method C calculations
97	9.10 Form E—Method E-E1
98	9.11 Form E2—Method E-E1 calculations
99	9.12 Form F—Methods F, F1, C/F, E/F, and E1/F1
100	9.13 Form F2—Methods F, F1, C/F, E/F, and E1/F1 calculations
101	9.14 Test and equivalent circuit results
102	Annex A (informative)Bibliography
103	Annex B (informative)Typical report of test form for routine tests
104	Annex C (informative)Typical report of test form
105	Annex D (informative)Units of measure D.1 Units of measure D.1.1 Overview D.1.2 Mechanical power D.1.3 Torque
106	D.1.4 Test forms
107	D.1.5 Assumed stray-load loss D.1.6 Resistance reading at shutdown
109	Annex E (informative)Total error of reading E.1 Example of calculation of the total error of reading of power input without CT/VT E.1.1 Introduction E.1.2 Conditions E.1.3 Specifications of the power meter
110	E.1.4 Calculations E.2 Example of calculation of the total error of reading of power input including CT/VT E.2.1 Introduction E.2.2 Conditions
111	E.2.3 Specification of the power meter E.2.4 Specification of the voltage transformer E.2.5 Specification of the current transformer E.2.6 Calculations
113	E.3 Example of calculation of the total error of reading of a torque measurement using a torque transducer without any additional instrumentation E.3.1 Introduction E.3.2 Conditions E.3.3 Specifications of the torque transducer E.3.4 Calculations E.4 Example of calculation of the total error of reading of a torque measurement using a torque transducer with additional instrumentation E.4.1 Introduction E.4.2 Conditions
114	E.4.3 Specifications of the torque transducer E.4.4 Specifications of the digital voltmeter E.4.5 Calculations
115	Back cover