When initiating the operation of a salient pole synchronous motor using induction motor action and applying a field discharge resistor across the field, which torque components contribute to the starting and acceleration process?

Explanation

The starting and acceleration torque in a salient pole synchronous motor initiated by induction motor action with field discharge resistance involves multiple torque components. These include induction motor torque in both the field and damper windings, torque due to eddy currents and hysteresis in the pole faces, and reluctance torque resulting from the rotor's saliency. Therefore, all these mechanisms collectively contribute to the motor's starting and acceleration.