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Axial Flux Switched Reluctance Machines
Published in Berker Bilgin, James Weisheng Jiang, Ali Emadi, Switched Reluctance Motor Drives, 2019
The construction and assembly of axial flux motors involves a larger number of parts than that of a comparable radial flux machine, but permits a simpler winding process [26]. Usually, in order to facilitate assembly, some modifications may be needed. These changes should not affect the electromagnetic performance significantly, but allows for an easier assembly process. In some axial flux machines, the motor is built from segmented components. These segments are placed on a plate, usually made of aluminum, which has very low magnetic permeability. The well-developed automatic winding process can be easily adopted for AFSRMs to achieve a relatively high copper fill factor.
Motors and control systems
Published in Tom Denton, Electric and Hybrid Vehicles, 2020
The axial flux approach uses less materials such as copper, iron and permanent magnet than conventional motors, resulting in a significantly lower materials cost. The other key benefit is that these axial flux motors are smaller and lighter than any other motors in their class due to the more efficient use of key magnetic and structural materials. The YASA (Yokeless and Segmented Armature) motor topology also significantly reduces manufacturing complexity, making the motors ideally suited to automated volume production.
Implementation of Different 2D Finite Element Modeling Approaches in Axial Flux Induction Motors
Published in Electric Power Components and Systems, 2023
Mustafa Özsoy, Orhan Kaplan, Mehmet Akar
In axial flux motors, the flux path is axial. The magnetic flux will complete its path on the core for a shorter distance in the inner diameter and a longer distance in the outer diameter of the motor. While this relationship between diameters creates the advantageous aspect of the machine, it also causes more complex models in design. This complex structure causes the design to be modeled only in 3D. The analysis times of the motors with 3D models are much longer with FEM compared to 2D models. Designed AFIMs need to be optimized before manufacturing. Considering that the optimization process is done with FEM using the 3D model, the importance of the analysis time will become even more important. Therefore, the fact that 2D modeling, which provides practicality in radial flux motors, becomes a method that can also be used for AFIM will provide an advantage for designers.