I.S. EN IEC 60034-27-4:2018
Current
The latest, up-to-date edition.
Rotating electrical machines - Part 27-4: Measurement of insulation resistance and polarization index on winding insulation of rotating electrical machines
Hardcopy , PDF
English
31-07-2018
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
This part of IEC 60034 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.
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