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Time Stepping Finite Element Computation of Space Harmonic Copper Losses and Torque of Induction Motors
Youcef Ouazir
423 - 434
10.3233/978-1-60750-604-1-423
Studies in Applied Electromagnetics and Mechanics
Volume 34: Computer Field Models of Electromagnetic Devices
Abstract

A time stepping finite elements (TSFE) method is used to investigate the no load and full load copper losses and torque during the starting process of induction motors caused by space harmonics. The computation technique used in this study leads to consider only the first or just significant space harmonics in time stepping finite elements model. To validate the developed model, the transient direct line starting results are compared with the measurements. The effect of space harmonics on stator and rotor cooper losses, current and torque are clearly shown with the simulation results.

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