Journal of the Korean Society for Railway (한국철도학회논문집)

The Korean Society for Railway (한국철도학회)
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New control strategy of propulsion system for the Transit Maglev System

자기부상열차용 추진제어장치의 새로운 제어기법

  • 이은규 (우진산전(주) 기술연구소) ;
  • 최재호 (충북대학교 전기전자공학부)
  • Published : 2002.12.01
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Abstract

The traction drive system for the urban transit maglev system is described in this paper. To control the magnitude and frequency of the output voltage of induction motor transiently, the vector control strategy is generally used. But in case of the traction drive system for the railway vehicle, it is difficult to use the vector control caused by the one-pulse mode in the high speed region. Therefore, this paper proposes the control strategy combined the vector control in the low speed region and the slip frequency control in the high speed region. And also, the overmodulation PWM method is discussed to make the change to the one-pulse mode softly. The performance of the proposed traction drive system is verified by the MATLAB simulation results.

Keywords

References

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