UNSYMMETRICAL FAULT CALCULATIONS – PART – 30 – LINE-TO-LINE FAULT - PROBLEM
A 25 MVA, 11 kV,
three-phase, 50Hz generator has Z1 = j0.25 p,u., Z2 = j0.35 p,u., Z0 = j0.1
p.u. and Zn = 0.3 ohms. If a line to line fault occurs on Y and B phases.
Calculate the fault current and per phase voltages.
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