Shaded pole motor diagram and construction explained Ppt on 1-Phase Indu Motor authorstream Shaded Pole Induction Motor - Circuit Globe Read here to know about the. Shaded pole motors, their constructional features, working and how they are used in starting of single phase Induction motors. Single phase induction motors are not self-starting and hence. Shaded pole motor helps in starting the single phase Induction motors. Shaded pole induction motor PowerPoint, pPT Shaded-pole Induction Motor, electrical Engineering Single Phase Induction, powerPoint presentation Ppt on 1- phase indu motor. Starting Methods of single phase induction motor, the single - phase, iM has. The fact that the shaded - pole motor is single. Definition: The shaded pole induction motor is simply a self-starting single - phase induction motor whose one of the pole is shaded by the copper ring. The copper ring is also called the shaded ring. Rotor, the shaded pole motor uses the squirrel cage rotor. The slot is constructed at some distance apart from the edge of the poles. The centrifugal switch is the type of electrical switch that starts operating by using the centrifugal force, generated by the rotating shaft. The function of the centrifugal switch has been described earlier. According to Lenz law the direction of this current is so as to oppose the cause producing it (the decreasing alternating current). So the shading ring does not affect the distribution of main flux. This increases the strength of main flux in the shaded part.