Analysis of Iron Loss Caused by Non sinusoidal Magnetic Behavior in Motor Core

모터 코아 내부에서 비정현적 자계의 거동에 따른 철손 해석

  • 하경호 (POSCO 기술연구소 전기강판연구그룹) ;
  • 차상윤 (POSCO 기술연구소 전기강판연구그룹) ;
  • 김재관 (POSCO 기술연구소 전기강판연구그룹) ;
  • 임양수 (대우정밀 기술연구소 PCM팀) ;
  • 허윤 (대우정밀 기술연구소 PCM팀) ;
  • 홍정표 (창원대학교 전기공학과)
  • Published : 2005.07.18

Abstract

This paper investigates magnetic field behavior and its iron losses in the stator core using electrical steels. The analysis model is a brushless motor with the permanent magnet. The elliptical rotating and alternating flux distributions with non-sinusoidal waveforms are obtained by Finite Element Method and then their harmonic components are extracted. Based on these results, the local iron losses in the stator core caused by the harmonic flux are calculated. Furthmore, this paper explains the relation between the complex flux waveform and iron loss produced in each part of the stator core.

Keywords