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- 저자 : Ruina Mo (검색결과 1 건)
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Bin Zhang,Jungang Wang,Ruina Mo 전력전자학회 2024 JOURNAL OF POWER ELECTRONICS Vol.24 No.1
With the development of new energy technologies, there has been an increasing demand for high-powered power generators. Therefore, high torque density and high stability transmission devices are needed to ensure the stable operation of generators. This paper proposes and investigates a connected double-modulated axial magnetic gear embedded H-shaped pole shoes (CDMHAMG) structure. This structure uses a spoke low-speed rotor with embedded H-shaped pole shoes and a connected modulation ring on the other side of the spoke rotor. The CDMHAMG can effectively increase the utilization of permanent magnets and suppress the leakage phenomenon, which greatly increases the torque density and suppress the torque ripple. To study the characteristics of the CDMHAMG, the electromagnetic performance of a conventional axial magnetic gear (CAMG), a spoke axial magnetic gear (SAMG), and different double-modulated axial magnetic gears are finite element analyzed. It can be found that the rotor torque density of the CMDHAMG is 80.18 kN/m3, which is 1.12 times that of the CAMG. In addition, the torque ripple of the CMDHAMG is 11.4%, which is 47.7% of that of the CAMG. Therefore, the CMDHAMG proposed in this paper has greater torque density and higher transmission stability than the CAMG and is more suitable for power generation.
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