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Demagnetization Fault Diagnosis in IPMSM Using Linear Interpolation

선형보간법을 이용한 매립형 영구자석 동기모터의 감자고장진단

  • Jeong, Hyeyun (Dept. of Electrical and Electronic Engineering, Pohang University of Science and Technology) ;
  • Moon, Seokbae (Dept. of Electrical and Electronic Engineering, Pohang University of Science and Technology) ;
  • Lee, Hojin (Dept. of Electrical and Electronic Engineering, Pohang University of Science and Technology) ;
  • Kim, Sang Woo (Dept. of Electrical and Electronic Engineering, Pohang University of Science and Technology)
  • Received : 2017.02.01
  • Accepted : 2017.02.22
  • Published : 2017.03.01

Abstract

This paper proposes a demagnetization fault diagnosis method for interior permanent magnet synchronous motors(IPMSMs). In particular, a demagnetization fault is one of the most frequent electrical faults in IPMSMs. This paper proposes an estimation method for permanent magnet flux. The method is based on linear interpolation. The effectiveness of the proposed method for diagnose demagnetization faults is verified through various operating conditions by finite element simulation.

Keywords

References

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