한국조명전기설비학회:학술대회논문집 (Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference)

한국조명전기설비학회 (The Korean Institute of IIIuminating and Electrical Installation Engineers)
권호 표지

유도 전동기 구동을 위한 인버터의 특정고조파제거에 관한 연구

A Study on the P.H.E of Inverter for Induction Motor Drive

  • 전희종 (숭실대학교 전기공학과) ;
  • 김국진 (숭실대학교 전기공학과) ;
  • 정원석 (숭실대학교 전기공학과) ;
  • 최영한 (숭실대학교 전기공학과)
  • 발행 : 1989.10.01
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초록

In this paper, the technique of particular harmonics elimination in three-phase PWM Inver-ter output waveform and the method for speed control of a squirrel cage I.M. are introduces. The required switching patterns are determind on personal computer and the results are stored in look-up table in EPROM for controlling the switching of the Inverter devices. In this system, the microprocessor(Intel 8086)computes the actual Motor speed from the pulses generated in a Incremental Encoder, compares the actual speed with the reference speed. And the PI(Proportional-Integral) controller is used to adjust the frequency of the Inverter that feeds the Motor.

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