Mechanical Cutting Effect of Electrical Steel on the Performance of Induction Motors

This paper investigates the mechanical cutting effect on the performance of induction motors. Numerical modeling of cutting effect is described in this paper. The approach inverts the degradation of the permeability model for inclusion of it into magnetic vector potential formula by Newton method. T...

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Bibliographic Details
Published in:Energies (Basel) 2020-12, Vol.13 (23), p.6314
Main Authors: Seo, Un-Jae, Kim, Dong-Jun, Chun, Yon-Do, Han, Pil-Wan
Format: Article
Language:English
Subjects:
Core loss
cutting effect
Cutting tools
finite element model
induction motor
Induction motors
Iron
Lamination
Magnetic permeability
Magnetic vector potentials
Mathematical models
Motor task performance
Newton methods
Permeability
Residual stress
Simulation
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Summary:This paper investigates the mechanical cutting effect on the performance of induction motors. Numerical modeling of cutting effect is described in this paper. The approach inverts the degradation of the permeability model for inclusion of it into magnetic vector potential formula by Newton method. The effect of cutting on iron losses is implemented in finite element simulation. The simulation results are compared with experimental results of prototype IE4 efficiency induction motors rated at 2.2 kW. One of them was manufactured with annealed electrical steel lamination to highlight the cutting effect on the performance of the motor. The notable effect of cutting was measured in increased stator current; however, negligible differences were found in measured iron losses. The presented model in this paper follows the measurements.
ISSN:1996-1073
1996-1073
DOI:10.3390/en13236314