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Motional time-harmonic simulation of slotted single-phase induction machines

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4 Author(s)
De Gersem, H. ; ESAT Dept., Katholieke Univ., Leuven, Belgium ; De Brabandere, K. ; Belmans, R.J.M. ; Hameyer, K.

Considering motional effects in the steady-state finite-element simulation of single-phase induction machines inevitably requires a transient approach. The resulting computation time seriously hampers the application of finite elements within technical designs. In this paper, time-harmonic finite-element simulation, as commonly applied to the three-phase induction machine model, is also enabled for single-phase motors by decomposing the air-gap field in two revolving fields in the opposite direction. The advantages and drawbacks of the novel approach are illustrated by a benchmark model. Issues such as ferromagnetic saturation, external circuit coupling, adaptive mesh refinement, and torque computation are addressed. The method is used to simulate a capacitor start/run motor.

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Energy Conversion, IEEE Transactions on  (Volume:17 ,  Issue: 3 )