A 50Hz,4-pole,3-phase,star-connected synchronous motor has a
synchronous reactance of 12ohmsper phase and negligible
armature resistances.the excitation is such as to give an
open-circuit voltage of 13.2kilovolt.the motor is connected
to 115kilovolt, 50hertz supplying. what maximum load can be
the motor torque,line current and power factor?
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