Question: A main switch board is supplied from a 2 2 / 0 . 4 3 kV , 2 . 0 MVA transformer with an impedance

A main switch board is supplied from a 22/0.43 kV,2.0 MVA transformer with an impedance of 6%. The impedance of LV cables to the main switchboard is (0.0006+ j0.0012) S2. The fault level at the 22 kV intake point is 800 MVA. Calculate the fault current at the main switchboard.State major assumptions you made, if applicable.

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