誘導電動機の速度センサレス制御のための回転子スロット高調波モデルの提案

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タイトル別名
  • Development of Motor Model of Rotor Slot Harmonics for Speed Sensorless Control of Induction Motor
  • ユウドウ デンドウキ ノ ソクド センサレス セイギョ ノ タメ ノ カイテンシ スロット コウチョウハ モデル ノ テイアン

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抄録

This paper proposes a novel mathematical dynamic model to represent steady-state and transient-state characteristics of rotor slot harmonics of an induction motor for sensorless control. Although it is well known that the rotor slot harmonics originate from the mechanical structure of the induction motor, a mathematical model that describes the relationship between stator/rotor currents of the induction motor and the slot harmonics has not yet been proposed. Therefore, in this paper, a three-phase model of the induction motor that depicts the rotor slot harmonics is developed by taking into consideration the magnetomotive force harmonics and the change in the magnetic air gap caused by the rotor slots. Moreover, the validity of the proposed model is verified by comparing the experimental results and the calculated values.

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