Exercise 1A generator and a synchronous motor are rated 30 MVA, 13.2 kV and each has a subtransientreactance of 20%. The line connecting them has a reactance of 10% on the base of the machineratings. The motor is drawing 20 MW at 0.8 power factor leading and a terminal voltageof 12.8 kV when a symmetrical bolted three phase fault occurs at the motor terminals.Calculate the subtransient current in the fault using the Zbus matrix.Z22 = j0.12 p.u., Vm0 = 0.97∠ 0^∘ p.u., Ifaultm = -j8.08 p.u.Exercis
Exercise 1A generator and a synchronous motor are rated 30 MVA, 13.2 kV and each has a subtransientreactance of 20%. The line connecting them has a reactance of 10% on the base of the machineratings. The motor is drawing 20 MW at 0.8 power factor leading and a terminal voltageof 12.8 kV when a symmetrical bolted three phase fault occurs at the motor terminals.Calculate the subtransient current in the fault using the Zbus matrix.Z22 = j0.12 p.u., Vm0 = 0.97∠ 0^∘ p.u., Ifaultm = -j8.08 p.u.Exercis
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