Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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Characteristics Analysis of BLDC Motor According to PWM mode Using Finite Element Analysis

PWM 방식에 따른 BLDC 전동기의 특성 해석에 관한 연구

  • Shin, Hyun-Hun (Dept. of Electrical Engineering, Hanyang University) ;
  • Kim, Tae-Heoung (Dept. of Electrical Engineering, Hanyang University) ;
  • Kim, Hyun-Woo (Dept. of Electrical Engineering, Hanyang University) ;
  • Lee, Sung-Gu (Dept. of Electrical Engineering, Hanyang University) ;
  • Lee, Ju (Dept. of Electrical Engineering, Hanyang University)
  • 신현훈 (한양대학교 전기공학과) ;
  • 김태형 (한양대학교 전기공학과) ;
  • 김현우 (한양대학교 전기공학과) ;
  • 이성구 (한양대학교 전기공학과) ;
  • 이주 (한양대학교 전기공학과)
  • Published : 2003.04.24
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Abstract

This paper presents characteristics analysis of brushless DC motor(BLDCM) which driven by two types of PWM mode. The phase current and torque ripples are generated differently at each PWM mode. So they have a different influence on motor characteristics. In this paper, we have analyzed characteristics of BLDCM using time-stepped voltage source finite element method. The effect of two types of PWM mode had been confirmed by comparing each phase current and torque ripple waveform. The compared simulation result is useful to select a better PWM mode.

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