The Transactions of the Korean Institute of Electrical Engineers P (전기학회논문지P)

The Korean Institute of Electrical Engineers (대한전기학회)
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The High Efficiency Operating Characteristics of the Induction Motor for Extended Range Electric Vehicle Applications

확장영역 전기자동차 응용을 위한 유도전동기의 고효율 운전 특성

  • Ryu, Doo-young (Electro Electric System, Hyundai Heavy Industries Co., Ltd.) ;
  • Shon, Jin-geun (Dept. of Electrical Engineering Gachon Univeristy) ;
  • Jeon, Hee-jong (School of Electrical Engineering, Soongsil University) ;
  • Choi, Uk-don (Electronic and Electrical Engineering, Catholic University of DAEGU)
  • Received : 2016.11.02
  • Accepted : 2016.11.22
  • Published : 2016.12.01
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Abstract

In this paper, a high-performance control of the induction motor for electric car was implemented to escape dependence of the rare earth magnet. Proposed high-efficiency control algorithm is a Direct Rotor Field-Oriented Control method that is insensitive to the fluctuation of motor parameters. In the DRFOC method, we need to compensate fluctuation of stator transient inductance and magnetizing inductance caused by the magnetic saturation of induction motor in high-speed area. This paper proposes Back-EMF Observer based on stator current estimator of Luenberger style. Motor control system applied the Voltage Feedback Flux Weakening Control method for high-speed operation. The proposed algorithm was verified through tests by the power train of Extended Range Electric Vehicle consists of induction motor and differential gear.

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References

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