A Study on Enhancing Axial Flux Motor Efficiency Using Cladding Core Technology

Seung-Woo Park, Ju-Hyeong Moon, Dong-Woo Kang () and Khac-Huan Su
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Seung-Woo Park: Department of Electronic and Electrical Engineering, Keimyung University, Daegu 42601, Republic of Korea
Ju-Hyeong Moon: Department of Electronic and Electrical Engineering, Keimyung University, Daegu 42601, Republic of Korea
Dong-Woo Kang: Department of Electronic and Electrical Engineering, Keimyung University, Daegu 42601, Republic of Korea
Khac-Huan Su: Department of Control and Automation Engineering, Eastern International University, Thu Dau Mot 820000, Vietnam

Mathematics, 2024, vol. 12, issue 19, 1-16

Abstract: With the rise of eco-friendly policies, advanced motor technologies are being developed to replace fossil fuel-based engines in the mobility industry. Axial flux motors, known for their ability to reduce size and increase output torque compared to radial flux motors, require different materials and manufacturing techniques. Specifically, the production of complex stator cores and segmented magnets presents significant challenges, often leading to higher costs. To address this issue, soft magnetic composite (SMC) materials, which offer greater design flexibility, are being explored for use in stator cores. However, soft magnetic composite materials exhibit lower permeability and saturation flux density compared to laminated silicon steel, resulting in reduced output torque and efficiency. This paper investigates the effects of stator geometry on axial flux motor performance and explores cladding core technology, which combines soft magnetic composite materials with silicon steel. By conducting finite element method (FEM) analysis to evaluate the output torque and efficiency based on the shape of the silicon steel within the cladding core, this study proposes an optimized cladding core design to enhance the efficiency and output torque of axial flux motors.

Keywords: electric vehicle; axial flux machine; soft magnetic composite materials (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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