### Three-phase short-circuit current (Isc) calculation at any ...Explore further

2021-3-1u2002·u2002The 3-phase short-circuit fault level P SC, in kA or in MVA (i) is given by the power supply authority concerned, from which an equivalent impedance can be deduced. A formula which makes this deduction and at the same time converts the impedance to an equivalent value at …

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