Analysis of the Torque Characteristics and Loss Distribution of the Rotor Bar of an Inverter-fed Cage Induction Motor with Skewed Slots

사구슬롯이 있는 3상 농형 유도 전동기의 인버터 구동시 토오크 특성 및 회전자 바 동손분포 해석

  • 김병택 (한양대 대학원 전기공학과) ;
  • 최병일 (한양대 전기공학과) ;
  • 박승찬 (동양대 시스템제어공학부) ;
  • 오경일 (한양대 대학원 전기공학과)
  • Published : 2000.12.01

Abstract

In this paper, the torque characteristics and the bar loss distribution are analyzed when a general cage induction motor with skewed slots is fed by a 6-step inverter. For the electromagnetic analysis, time-stepping finite element method is used. And the multi-slice technique and sliding surface technique are respectively utilized to consider the skew effect and the rotation of the rotor. As a result, the effects of skewed rotor bar and the inverter output voltage on the characteristics of the torque and bar loss in the rotor are investigated. The simulation results are verified by measurement of flux density distribution axially in the stator teeth.

Keywords

References

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