Rotating electrical machines - Part 27-4: Measurement of insulation resistance and polarization index on winding insulation of rotating electrical machines (IEC 60034-27-4:2018); German version EN IEC 60034-27-4:2018
Edition 2019-04

Rotating electrical machines - Part 27-7: Insulation systems used in rotating electrical machines for sealed and moisture resistant winding type and quality control tests (IEC 2/2073/CD:2021); Text in German and English
Edition 2023-06

Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications (IEC 61857-21:2009); German version EN 61857-21:2009
Edition 2010-02

Electrical insulation systems - Procedures for thermal evaluation - Part 22: Specific requirements for encapsulated-coil model - Wire-wound electrical insulation system (EIS) (IEC 61857-22:2008); German version EN 61857-22:2008
Edition 2009-05

Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) - Part 1: Wire-wound winding EIS (IEC 61858-1:2014); German version EN 61858-1:2014
Edition 2014-11

Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) - Part 1: Wire-wound winding EIS; German version EN 61858-1:2014/AC:2024
Edition 2024-09

Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) - Part 2: Form-wound EIS (IEC 61858-2:2014); German version EN 61858-2:2014
Edition 2014-11

Rotating electrical machines - Part 27-5: Off-line measurement of partial discharge inception voltage on winding insulation under repetitive impulse voltage (IEC TS 60034-27-5:2021)
Edition 2024-07

Power transformer and reactor fittings - Part 11: Oil and winding temperature indicators
Edition 2009-06-01

Rotating electrical machines - Part 18-21: Functional evaluation of insulation systems - Test procedures for wire-wound windings - Thermal evaluation and classification (IEC 60034-18-21:2012) (german version)
Edition 2013-08-01