Rotating electrical machines - Part 27-4: Measurement of insulation resistance and polarization index of winding insulation of rotating electrical machines

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Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English - French

Published date

01-24-2018

Publisher

International Electrotechnical Committee

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Insulation resistance - components and influence
  factors
5 Polarization index
6 Measurement
7 Interpretation of measurement results
8 Recommended limits of insulation resistance and
  polarization index
9 Test report
Annex A (informative) - Components of the direct current
Annex B (informative) - Graphical estimation of the slope
        parameter X for temperature correction from
        measurement data
Annex C (informative) - Examples of test results of synthetic
        resin based high voltage windings
Annex D (informative) - Measurement of leakage current to
        assess interphase insulation resistance
Annex E (informative) - Other DC tests
Bibliography

IEC 60034-27-4:2018 provides recommended test procedures for the measurement of insulation resistance and polarization index of stator and rotor winding insulation of rotating electrical machines. This document recommends minimum acceptable values of insulation resistance and polarization index of winding insulation valid for fully processed low and high voltage AC and DC rotating electrical machines with a rated power of 750 W or higher.

DevelopmentNote	Stability Date: 2023. (01/2018)
DocumentType	Standard
Pages	79
PublisherName	International Electrotechnical Committee
Status	Current

Standards	Relationship
VDE 0530-27-4:2019-04	Identical
IS/IEC 60034 : Part 27 : Sec 4 : 2018	Identical
SS-EN IEC 60034-27-4:2018	Identical
OVE EN IEC 60034-27-4:2019	Identical
DIN EN IEC 60034-27-4 : 2019-04	Identical
PN-EN IEC 60034-27-4:2018	Identical
NEN EN IEC 60034-27-4 : 2018	Identical
EN IEC 60034-27-4:2018	Identical
NF EN IEC 60034-27-4:2018	Identical
SN EN IEC 60034-27-4:2018	Identical
CEI EN IEC 60034-27-4:2018	Identical
UNE-EN IEC 60034-27-4:2018	Identical
BS EN IEC 60034-27-4:2018	Identical
BS EN 50525-2-82:2011	Identical

NEMA MG 1 : 2016	MOTORS AND GENERATORS
IEC 60050-411:1996	International Electrotechnical Vocabulary (IEV) - Part 411: Rotating machinery
IEEE 95-2002	IEEE Recommended Practice for Insulation Testing of AC Electric Machinery (2300 V and Above) With High Direct Voltage
IEEE 43-2013 REDLINE	IEEE Recommended Practice for Testing Insulation Resistance of Electric Machinery

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IEC 60034-27-4:2018

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