Effect of Stator and Rotor Saturation on Sensorless Rotor Position Detection

  title={Effect of Stator and Rotor Saturation on Sensorless Rotor Position Detection},
  author={Nicola Bianchi and Emanuele Fornasiero and Silverio Bolognani},
  journal={IEEE Transactions on Industry Applications},
This paper investigates the impact of the geometry of a permanent-magnet (PM) motor on the capability to detect the rotor position without sensors by means of a high-frequency signal injection. An interior PM motor with three rotor flux barriers is considered, which is characterized by a magnetic saliency, necessary for the sensorless rotor position detection. The objective is twofold: 1) to keep an adequate saliency in all the operating range of the motor, including operations at high current… CONTINUE READING
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