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A multiphase model of induction motor with broken bars and end rings rotors
Vol LVIII • No. 2bis/2006
Kostas Gavros*, Mihai Priboianu**, Alexandru Fransua**, Răzvan Măgureanu**
* TEI Kozani, Greece,
** University Politehnica Bucharest, Romania

 Keywords   Fault diagnosis, induction machine, rotor-cage faults, motor modeling.

 Abstract
In the paper, a new approach is proposed to model the broken rotor bars and rotor rings in induction motors. If there is any broken bar or broken ring, it will directly affect the stator current and motor torque by a certain content of harmonics. Interpreting different results for different model parameters allows building an expert system that can be used for real time monitoring and diagnosis.

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