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

The Korean Institute of Electrical Engineers (대한전기학회)
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Design and Characteristic Analysis of Wound Rotor Synchronous Motor for ISG according to Field Current Combination

계자전류 조합에 따른 ISG용 권선형 동기전동기의 설계 및 특성분석

  • Kwon, Sung-Jun (School of Electronic and Electrical Engineering, Sungkyunkwan University) ;
  • Lee, Dongsu (School of Electronic and Electrical Engineering, Sungkyunkwan University) ;
  • Jung, Sang-Yong (School of Electronic and Electrical Engineering, Sungkyunkwan University)
  • Received : 2013.06.10
  • Accepted : 2013.08.19
  • Published : 2013.09.01
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Abstract

In this paper, design of Wound Rotor Synchronous Motor(WRSM) for Integrated Starter and Generator(ISG) is performed based on Finite Element Analysis(FEA). WRSM can control not only magnitude and phase of armature current, but also field current. Thus, various control methods can be considered. Since driving characteristic of WRSM depends greatly on the control method, characteristic analysis accoding to possible driving current combination is reguired. Especially in high speed region, the control method that reduces unnecessary d-axis current by reducing field current is possible, which is similar to field weakening control. By the current combination reducing field and d-axis current, the design minimizing copper loss to increase efficiency on identical driving point is possible. In this paper, high efficient WRSM is designed applying the current combination which can minimize copper loss on each driving point.

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References

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