전력전자학회논문지 (The Transactions of the Korean Institute of Power Electronics)

  • 제23권1호
  • /
  • Pages.16-23
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  • 2018
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  • 1229-2214(pISSN)
  • /
  • 2288-6281(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
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외부부하에 의해 회전중인 표면부착형 영구자석동기전동기의 센서리스 제어 알고리즘

Sensorless Control Algorithm of a Surface Mounted PM Synchronous Motor Under Naturally Rotating by Load

  • Lee, Han-Sol (Dept. of Control & Instrumentation Engineering, Korea Nat'l Univ. of Transportation) ;
  • Cho, Kwan-Yuhl (Dept. of Control & Instrumentation Engineering, Korea Nat'l Univ. of Transportation) ;
  • Kim, Hag-Wone (Dept. of Control & Instrumentation Engineering, Korea Nat'l Univ. of Transportation)
  • 투고 : 2017.09.29
  • 심사 : 2017.12.12
  • 발행 : 2018.02.20
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초록

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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참고문헌

  1. I. C. Baik, J. S. Lee, and H. W. Kim, “Sensorless speed control and starting algorithm using current control of SPM synchronous motor,” Trans. on Korea Institute of Power Electronics(KIPE), Vol. 18, No. 6, pp. 523-529, Dec. 2013. https://doi.org/10.6113/TKPE.2013.18.6.523
  2. K. W. Lee and J. I. Ha, "Evaluation of back-EMF estimators for sensorless control of permanent magnet synchronous motors," Journal of Power Electronics, Vol. 12, pp. 604-614, Jul. 2012. https://doi.org/10.6113/JPE.2012.12.4.604
  3. S. Morimoto, K. Kawamoto, M. Sanada, and Y. Takeda, “Sensorless control strategy for salient pole PMSM based on extended EMF in rotating reference frame,” IEEE Trans. on Industry Applications, Vol. 38, No. 4, pp. 1054-1061, Jul./Aug. 2002. https://doi.org/10.1109/TIA.2002.800777
  4. I. Boldea, M. C. Paicu, and G. D. Andreescu, “Active flux concept for motion-sensorless unified AC drives,” IEEE Trans. on Power Electronics, Vol. 23, No. 5, pp. 2612-2618, Sep. 2008. https://doi.org/10.1109/TPEL.2008.2002394
  5. A. Borisavljevic, E. Ho, and T. Takahashi, "Fan drive starting into naturally rotating load by sinusoidal sensorless permanent magnet motor control," EPE-PEMC 2006, Portoroz, Slovenia, pp. 1190-1198, 2006.
  6. H. S. Lee, K. Y. Cho, H. W. Kim, and Y. C. Cha, "Sensorless control algorithm of a PM synchronous motor under naturally rotating by load," Summer Conference of Korea Institute of Power Electronics(KIPE), pp. 72-73, Jul. 2017.