The maximum power for a given excitation in a synchronous motor is developed when the power angle is equal to
The synchronous reactance of the synchronous machine is ____________.
A salient pole synchronous motor is running at no load. Its field current is switched off. The motor will
A synchronous motor working at leading power factor can be used as
The back e.m.f. of a synchronous motor depends on
In a 3-phase synchronous motor, If the direction of its field current is reversed
In which of the following motors the stator and rotor fields rotate simultaneously
Alternators are classified into _________.
The advantage of stationary armature of a synchronous machine is
The magnitude of field flux in a 3-phase synchronous machine