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Abstract
In this paper, a simple dynamic model for a PMSM with inter-turn winding fault is derived. Finite element method is used for parameter determination of machine with fault. This dynamic fault model is used to study the PM machine behaviour under various inter-turn fault conditions. A 2D time stepping finite element method (FEM) model is carried out to validate the dynamic fault model. The dynamic model results exhibit the same trend as predicted by FEM analysis for different fault insulation resistances. An experimental test is also conducted to verify the fault model. This model is used to study the machine behaviour under various fault conditions and severity. The proposed model seems to be well adapted for PM motors health monitoring and inter-turn fault diagnosis.
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