SNI IEC 60909-3:2011 Short-circuit currents in three-phase ab systems Part 3: Currents during two independent simultaneous line-to-earth short-circuits and partial short-circuit currents flowing through earth
IEC 60909-0:2001 Short-circuit currents in three-phase a.c. systems - Part 0: Calculation of currents
SNI IEC 60909-3:2011 history
2011SNI IEC 60909-3:2011 Short-circuit currents in three-phase ab systems Part 3: Currents during two independent simultaneous line-to-earth short-circuits and partial short-circuit currents flowing through earth