Journal of Power Electronics

  • 제6권1호
  • /
  • Pages.29-37
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  • 2006
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  • 1598-2092(pISSN)
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  • 2093-4718(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
권호 표지

Sensorless Control for a PM Synchronous Motor in a Single Piston Rotary Compressor

  • Cho Kwan-Yuhl (Department of Information and Control Engineering, Chungju National University)
  • 발행 : 2006.01.01
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초록

A sensorless control for an IPM (Interior Permanent Magnet) synchronous motor in a single piston rotary compressor is presented in this study. The rotor position is estimated from the d-axis and q-axis current errors between the real system and a motor model of the position estimator. The torque pulsation of the single piston rotary compressor is compensated to reduce speed ripples, as well as, mechanical noise and vibration. The proposed sensorless drive enables the compressor to operate at a lower speed which increases energy savings and reduces mechanical noise. It also gives high speed operations by a flux weakening control for rapid air-cooling and heating of the heat pump air-conditioners.

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참고문헌

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