A: A synchronous generator of supplies a motor of 50 MVA, 22 kV, and 0.2 pu transient reactance. The motor is drawing 40 MW at 0.8 power factor leading and terminal voltage of 21 9 kV. The line connecting them has a reactance of 0.05 pu on a base of 100 MVA. Find the transient currents in the generator, the motor, and the fault when a 3-ph fault occurs at the motor terminals Take Sa = 100 MVA, Vis = 22 kV, and use the internal voltages of the machines method.

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A: A synchronous generator of 100 MVA, 22 kV, and 0.25 pu transient reactance
supplies a motor of 50 MVA, 22 kV, and 0.2 pu transicnt reactance. The motor is
drawing 40 MW at 0.8 power factor leading and terminal voltage of 21 9 kV. The
line connecting them has a reactance of 0,05 pu on a base of 100 MVA. Find the
transient currents in the generator, the motor, and the fault when a 3-ph fault occurs at
the motor termınals Take Sa 100 MVA, V = 22 kV, and use the internal voltages
of the machines method.
(1-2)
Transcribed Image Text:A: A synchronous generator of 100 MVA, 22 kV, and 0.25 pu transient reactance supplies a motor of 50 MVA, 22 kV, and 0.2 pu transicnt reactance. The motor is drawing 40 MW at 0.8 power factor leading and terminal voltage of 21 9 kV. The line connecting them has a reactance of 0,05 pu on a base of 100 MVA. Find the transient currents in the generator, the motor, and the fault when a 3-ph fault occurs at the motor termınals Take Sa 100 MVA, V = 22 kV, and use the internal voltages of the machines method. (1-2)
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