IEEE 1415 2007

$44.96

IEEE Guide for Induction Machinery Maintenance Testing and Failure Analysis

Published By	Publication Date	Number of Pages
IEEE	2007	68

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Description

New IEEE Standard – Active. This guide describes field test methods that assure that current transformers are connected properly, are of marked ratio and polarity, and after having been in service for a period of time.

PDF Catalog

PDF Pages	PDF Title
1	IEEE Guide for Induction Machninery Maintenance Testing and Failure Analysis
6	Introduction Notice to users
7	Participants
9	CONTENTS
11	1. Overview 1.1 Scope 1.2 Purpose
12	2. Normative references
13	3. Definitions 4. Maintenance inspections and tests 4.1 Safety for inspections and tests
14	4.2 Maintenance inspections
15	4.2.1 External inspection 4.2.2 Disassembly and inspection of components
17	4.2.3 Alignment and end float 4.3 Maintenance tests
24	4.3.1 AC high potential 4.3.2 Accelerating time 4.3.3 Bearing insulation 4.3.4 Bearing temperature
25	4.3.5 Capacitance 4.3.6 Core loss (Loop) 4.3.7 Coupling insulation 4.3.8 Current demodulation
26	4.3.9 Current, running 4.3.10 Current signature analysis 4.3.11 Current, starting 4.3.12 DC high potential
27	4.3.13 Dielectric absorption 4.3.14 Dissipation factor and power factor
28	4.3.15 Grease analysis 4.3.16 Growler 4.3.17 Insulation resistance
29	4.3.18 Oil analysis 4.3.19 Partial discharge
30	4.3.20 Phase angle 4.3.21 Phase balance
31	4.3.22 Polarization index 4.3.23 Single-phase rotor
32	4.3.24 Shaft grounding current 4.3.25 Shaft testing 4.3.26 Shaft voltage 4.3.27 Speed
33	4.3.28 Surge test 4.3.29 Surge PD 4.3.30 Thermography
34	4.3.31 Torque analysis 4.3.32 Ultrasound/ultrasonic 4.3.33 Variable frequency 4.3.34 Vibration analysis
36	4.3.35 Voltage balance 4.3.36 Voltage distortion 4.3.37 Voltage drop 4.3.38 Voltage level 4.3.39 Voltage spikes 4.3.40 Winding resistance 4.3.41 Winding temperature
37	5. Determination and investigation of failure occurrence 5.1 Following a suspected failure 5.2 Investigation flow chart
39	5.3 Data collection 5.3.1 General approach 5.3.2 Preparation 5.3.3 On-site investigation
40	6. Failure analysis
41	6.1 Common symptoms and causes 6.1.1 Ambient temperature 6.1.2 Contamination and fouling 6.1.3 Corrosion 6.1.4 Running Current
42	6.1.5 Foreign objects 6.1.6 Lubrication 6.1.7 Manufacturing and design defects 6.1.8 Misalignment 6.1.9 Misapplication 6.1.10 Normal deterioration with age 6.1.11 Overload
43	6.1.12 Partial discharge 6.1.13 Repair related 6.1.14 Rotor rubs 6.1.15 Shaft currents
44	6.1.16 Excessive starts
45	6.1.17 System resonance 6.1.18 Temperature 6.1.19 Ventilation 6.1.20 Vibration 6.1.21 Voltage
46	6.2 Stator failures 6.2.1 Stator winding failures
48	6.2.2 Stator core failures
49	6.3 Root failure modes 6.3.1 Rotor winding failure
52	6.3.2 Rotor core failures 6.4 Shaft failures
53	6.5 Lubrication and bearing failure modes 6.5.1 Lubrication 6.5.2 Bearing failures
54	6.5.3 Bearing stresses 6.6 Structures
55	6.7 Ventilation 6.8 Accessories
56	6.8.1 Terminations 6.8.2 Surge protection equipment 6.8.3 Instrument transformers
57	Annex A (informative) Bibliography
59	Annex B (informative) Suggested checklists
66	Annex C (informative) Failure investigation test methods