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SN EN 61857-21
Electrical insulation systems - Procedures for thermal evaluation - Part 21: Specific requirements for general-purpose models - Wire-wound applications
Edition
2009-07
SN EN 61858-1
Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) - Part 1: Wire-wound winding EIS
Edition
2014-05
SN EN 61858-2
Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) - Part 2: Form-wound EIS
Edition
2014-05
NF C26-310-21 ; NF EN 61857-21:2009-12-01
Electrical insulation systems - Procedures for thermal evaluation - Part 21: specific requirements for general-purpose models - Wire-wound applications
Edition
2009-12-01
NF C26-310-22 ; NF EN 61857-22:2009-01-01
Electrical insulation systems - Procedures for thermal evaluation - Part 22: specific requirements for encapsulated-coil model - Wire-wound electrical insulation system (EIS)
Edition
2009-01-01
NF C26-315-1 ; NF EN 61858-1:2014-11-22
Electrical insulation systems - Thermal evaluation of modifications to an established EIS - Part 1: wire-wound winding EIS
Edition
2014-11-22
NF C26-315-2 ; NF EN 61858-2:2014-09-13
Electrical insulation systems - Thermal evaluation of modifications to an established electrical insulation system (EIS) - Part 2: form-wound EIS
Edition
2014-09-13
NF C51-127-1 ; NF EN IEC 60034-27-1:2018-06-29
Rotating electrical machines - Part 27-1 : off-line partial discharge measurements on the stator winding insulation of rotating electrical machines
Edition
2018-06-29
NF C51-127-3 ; NF EN 60034-27-3:2016-08-13
Rotating electrical machines - Part 27-3 : dielectric dissipation factor measurement on stator winding insulation of rotating electrical machines
Edition
2016-08-13
NF C51-127-4 ; NF EN IEC 60034-27-4:2018-06-29
Rotating electrical machines - Part 27-4 : measurement of insulation resistance and polarization index on winding insulation of rotating electrical machines
Edition
2018-06-29