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Study of Rotor Asymmetry Effects of an Induction Machine by Finite Element Method

  • Abdesselam, Lebaroud (Electrical Engineering Institute of Skikda University) ;
  • Guy, Clerc (Universite de Lyon,)
  • Received : 2010.04.13
  • Accepted : 2010.12.01
  • Published : 2011.05.02

Abstract

This paper presents a study on rotor asymmetry caused by broken bars and its effects on the stator current of an induction machine under an unbalanced supply voltage. The simulation of the induction machine is based on the finite element method. In the early stage of diagnosis, we show new sidebands specific to the partial rupture of the rotor bar. Experimental tests corroborate with the simulation results.

Keywords

Broken bars;Induction machine;Finite element method

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