Comprises data collected from different countries to be used when necessary for calculating short-circuit currents in accordance with IEC 781 and IEC 909. In general data are presented in the form of curve sheets. For each type of equipment (synchronous
IEC TR3 60909-2:1992 history
1992IEC TR3 60909-2:1992 Electrical equipment; data for short-circuit current calculations in accordance with IEC 60909:1988