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).
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IEC 60865-1:2016
IEC 60865-1 is a standard published by the International Electrotechnical Commission (IEC) that provides guidelines for the calculation of short-circuit currents in electrical power systems. Here's a brief review: This part of the IEC 60865 series provides
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