Journal of international Conference on Electrical Machines and Systems

Journal of International Conference on Electrical Machines and Systems (대한전기학회 분과)
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Iron Loss Analysis of a Permanent Magnet Rotating Machine Taking Account of the Vector Hysteretic Properties of Electrical Steel Sheet

  • Yoon, Heesung (College of Electrical & Computer Engineering, Chungbuk National University) ;
  • Jang, Seok-Myeong (Department of Electrical Engineering, Chungnam National University) ;
  • Koh, Chang Seop (College of Electrical & Computer Engineering, Chungbuk National University)
  • Received : 2013.05.14
  • Accepted : 2013.05.23
  • Published : 2013.06.01
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Abstract

This paper presents the iron loss prediction of rotating electric machines taking account of the vector hysteretic properties of electrical steel sheet. The E&S vector hysteresis model is adopted to describe the vector hysteretic properties of a non-oriented electrical steel sheet, and incorporated into finite element analysis (FEA) for magnetic field analysis and iron loss prediction. A permanent magnet synchronous generator is taken as a numerical model, and the analyzed magnetic field distribution and predicted iron loss by using the proposed method is compared with those from a conventional method which employs an empirical iron loss formula with FEA based on a non-linear B-H curve. Through the comparison the effectiveness of the presented method for the iron loss prediction of the rotating machine is verified.

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References

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