Accurate Multi-Turn Model of Induction Motors Under Stator Short Circuits and Phases Breakdown Faults

M. Rachek; Y. Messaoudi; B. Oukacine; S. NaitLarbi

doi:10.15866/irecon.v4i1.9626

Accurate Multi-Turn Model of Induction Motors Under Stator Short Circuits and Phases Breakdown Faults

M. Rachek^(1*), Y. Messaoudi⁽²⁾, B. Oukacine⁽³⁾, S. NaitLarbi⁽⁴⁾

^(*) Corresponding author

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Abstract

The aims of this paper is to present an accurate internal model rotating of induction machines based on the multi-turns electric circuit magnetically coupled. The multi-turns electric equations expressed in two different coordinate systems, combined with the mechanical equations leads to a differential system which is reduced using the windings connection matrices. The model can be used in unbalanced parameters conditions with Wye or Delta stator windings connection. A three phase induction motor was simulated under normal healthy, stator inter-turns short-circuits and phase breakdown operations.
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Keywords

Induction Motors; Electric Multi-Turns Equations; Short-Circuits Diagnosis; Phase Breakdown

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