Iec 60865-1 Pdf -

Short-circuit currents - Part 1: Calculation of short-circuit currents in three-phase a.c. systems

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This part of the IEC 60865 series provides a method for calculating short-circuit currents in three-phase a.c. systems. The standard is applicable to electrical power systems operating at a frequency of 50 Hz or 60 Hz, with a maximum voltage of 230 kV (RMS). iec 60865-1 pdf