When a 3-phase synchronous generator is supplying a zero power factor lagging load, the armature field affects the main field in the following way

A synchronous motor has better power factor as compared to that of an equivalent induction motor. This is mainly because

The torque angle, in a synchronous motor, is the angle between

A synchronous motor is running with normal excitation. When the load is increased, the armature current drawn by it increases because

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