Zero Speed Sensorless Control of Induction Motor with Ideal Voltage Source

Kan Akatsu, Atsuo Kawamura

研究成果: Article査読

抄録

In the speed sensorless control of the induction motor, the machine parameters (especially the rotoi resistance R2) have a strong influence to the speed estimation. In addition, the output voltage error due to the dead time and the voltage drop of the inverter influence on the rotor flux estimation, but the simultaneous compensation of the output voltage and the stator resistance R1is very difficult. In this paper the new algorithm of R2estimation with utilizing only stator current is proposed. In the high frequency range, the R2is estimated in the transient state, and in the very low frequency range, R2is estimated in proportion to the estimated R1when the ideal voltage source by the power op-amp is used instead of the voltage source inverter to avoid the output voltage error. In use of these algorithms, the low speed estimation was possible and the zero speed control was achieved under the 5~40% load condition in two motors. This paper clarified that the zero speed estimation is possible with the stator and rotor resistance estimations when the output voltage is ideal.

本文言語English
ページ(範囲)1408-1418
ページ数11
ジャーナルIEEJ Transactions on Industry Applications
120
12
DOI
出版ステータスPublished - 2000
外部発表はい

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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