The symbols and terms given are ordered by topics and subdivided in the following sections: geomatry, kinematics, dynamics, losses and heat transfer, electric and magnetic quantities, numbers and ratios, subcripts recommended for use with electrical mach
IEC 60027-4:1985 history
2006IEC 60027-4:2006 Letter symbols to be used in electrical technology - Part 4: Rotating electric machines
1985IEC 60027-4:1985 Letter symbols to be used in electrical technology. Part 4 : Symbols of quantities to be used for rotating electrical machines