EN IEC 60034-27-4:2018 Rotating electrical machines - Part 27-4: Measurement of insulation resistance and polarization index on winding insulation of rotating electrical machines
European Committee for Electrotechnical Standardization(CENELEC)
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EN IEC 60034-27-4:2018
EN IEC 60034-27-4:2018 history
2018EN IEC 60034-27-4:2018 Rotating electrical machines - Part 27-4: Measurement of insulation resistance and polarization index on winding insulation of rotating electrical machines