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논문 기본 정보

저자정보
(Korea Nat’l Univ. of Transportation) (Korea Nat’l Univ of Transportation) (Korea Nat’l Univ of Transportation)
저널정보
전력전자학회 전력전자학회논문지 전력전자학회 논문지 제23권 제1호
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    초록·키워드

    PM synchronous motor may be rotated to an arbitrary direction and speed by outside wind under natural condition in cases where the fan is applied outside, such as in vehicle radiators and outdoor air-conditioners. Sensorless controls that cannot detect rotor position requires additional sensorless control algorithm because a rotor is rotated by an external load. In this study, the sensorless control of a PM synchronous motor under naturally rotating condition is proposed. The natural rotation conditions are classified as forward high-speed rotation, reverse high-speed rotation, and low-speed rotation. Experiment results verify the performance of the sensorless control, including the rotor speed and position detection at natural rotation mode and switch to the closed-loop sensorless control.

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      UCI(KEPA) : I410-ECN-0101-2018-560-001777593