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Stator resistance estimation of AC induction motor drive

BLAHA, P.; VÁCLAVEK, P. Stator resistance estimation of AC induction motor drive. DAAAM International Scientific Book, 2008, vol. 2007, no. 1, p. 307-316. ISSN: 1726-9687.
Type
journal article
Language
English
Authors
Blaha Petr, doc. Ing., Ph.D., CAMAT (FEEC)
Václavek Pavel, prof. Ing., Ph.D., UAMT (FEEC)
Abstract

The aim of this paper is to present the algorithm for online stator resistance estimation of AC induction motor. It can be used along with any control algorithm. It looks for steady state operation when the voltages and currents are harmonic. The stator resistance estimate is realized using RMS values of voltage and current and using actual active power. The main goal of this algorithm is to catch up the slow changes of stator resistance caused by temperature changes. From this point of view it would be suitable for sensorless vector control algorithms of AC induction motors because the good knowledge of this parameter is crucial since it influences steady state error in rotational speed and also the stability of the velocity estimation.

Keywords

AC induction motor, identification, stator resistance, sensorless control

Published
2008
Pages
307–316
Journal
DAAAM International Scientific Book, vol. 2007, no. 1, ISSN 1726-9687
Place
Vienna
BibTeX 
@article{BUT44904,
  author="Petr {Blaha} and Pavel {Václavek}",
  title="Stator resistance estimation of AC induction motor drive",
  journal="DAAAM International Scientific Book",
  year="2008",
  volume="2007",
  number="1",
  pages="307--316",
  issn="1726-9687"
}
Departments
Department of Control and Instrumentation (UAMT)
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