Vector Control of AC Motor Using PWM Inverter with Output LC Filter

  • Kojima Mari
    Power Electronics Systems Department, Energy and Industrial Systems Center, Mitsubishi Electric Corporation
  • Hirabayashi Kazufumi
    Department of Electrical and Electronic Engineering, Ritsumeikan University
  • Kawabata Yoshitaka
    Department of Electrical and Electronic Engineering, Ritsumeikan University
  • Kawabata Takao
    Department of Electrical and Electronic Engineering, Ritsumeikan University

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Other Title
  • LCフィルタを設けたインバータによるベクトル制御
  • LC フィルタ オ モウケタ インバータ ニ ヨル ベクトル セイギョ

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Abstract

This paper proposes a novel high performance vector control system of AC motors using a low switching frequency (2kHz) PWM voltage source inverter with an output LC filter. Excellent high speed response characteristics of the LC filter output voltage have been realized using a novel deadbeat control algorithm. Experimental results have shown that the response of the current controller is similar to the response without the LC filter. In addition, it has been confirmed by simulation that errors of the LC filter constants within ±10% can be permitted.

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