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IEEE 43-2013

$63.38

IEEE Recommended Practice for Testing Insulation Resistance of Electric Machinery (Superseded Redline)

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IEEE 2013
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Revision Standard – Inactive-Reserved. The dc voltage tests procedures for the measurement of the insulation resistance and polarization index of insulated stator, and rotor windings and how to interpret the results are described in this recommended practice.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std 43ā„¢-2013 front cover
3 Title page
5 Important Notices and Disclaimers Concerning IEEE Standards Documents
8 Participants
10 Introduction
11 Contents
12 IMPORTANT NOTICE
1. Overview
1.1 Scope
13 1.2 Purpose
2. Normative references
14 3. Definitions
4. Safety considerations
15 5. Insulation resistanceā€”general theory
5.1 Components of the measured direct current
18 5.2 Characteristics of the measured direct current
20 5.4 Polarization index readings
5.5 Discharge current
6. Factors affecting insulation resistance
6.1 Effect of surface condition
6.2 Effect of moisture
21 6.3 Effect of temperature
6.3.1 General theory
22 6.3.2 Field measurements for determining KT
6.3.3 Approximating KT
23 6.3.3.1 Equation for ā€œTHERMOPLASTICā€ insulation systems
6.3.3.2 Equation for ā€œTHERMOSETTINGā€ insulation systems [B8]
24 6.3.4 Polarization index correction
6.4 Effect of test voltage magnitude
25 6.5 Effect of existing charge on winding resistance measurements
7. Conditions for measuring insulation resistance
8. Winding connections for insulation resistance tests
26 9. Methods of measuring insulation resistance
9.1 Direct measurement
9.2 Calculated measurement
10. Precautions
27 11. Interpretation of insulation resistance and polarization index test results
11.1 Monitoring insulation condition
11.2 Suitability for operation or continued testing
28 11.3 Limitations of the insulation resistance test
12. Recommended minimum value of polarization index and insulation resistance
12.1 Minimum values
29 12.2 Polarization Index
12.2.1 Applicability of polarization index on ļ¬eld windings
12.2.2 Applicability of polarization index when IR1 is greater than 5000 Mā„¦
30 12.2.3 Effects of continuous voltage stress control systems [B10]
12.3 Insulation resistance
31 Annex A (informative) Variants in polarization index
32 Annex B (informative) Direct versus alternating voltage testing
33 Annex C (informative) Monitoring charge and discharge currents
36 Annex D (informative) Insulation resistance profiling (IRP)
37 Annex E (informative) Bibliography
IEEE 43-2013
$63.38