The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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PMSM Torque Control Algorithm under One Phase Open-Fault in Three-Phase Inverter Condition

삼상 인버터의 한상 개방 고장 시 PMSM 토크제어 알고리즘

  • Lee, Jin-Hwan (MANDO Corporation, Global R&D Center) ;
  • Lee, Jong-Min (School of Electrical Engineering, Korea University) ;
  • Cho, Young-Pyo (School of Electrical Engineering, Korea University) ;
  • Kwon, Chun-Ki (College of Medical Sciences, Soon Chun Hyang University) ;
  • Yoo, Ji-Yoon (School of Electrical Engineering, Korea University)
  • Received : 2013.06.10
  • Accepted : 2013.08.01
  • Published : 2013.09.01
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Abstract

A torque control algorithm suitable for detecting an open circuit failure in which one of the three phases is unable to supply power to a motor in the permanent magnet synchronous motor is presented in this paper. When the failure occurs in the inverter, the output torque of motor is restricted. A new method which is implemented by using only a processor algorithm internally without any hardware redundancy circuit is proposed. A simulation and experimental study is carried out with a three phase inverter system to show the validity of the proposed method.

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References

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