Improved Design and Analysis for Electromagnetic Performance of Magnetic Geared Permanent Magnet Machine According to Winding Pattern and Segmentation of Permanent Magnet
- Authors
- Yu, KyeongTae; Ban, HwiRang; Lee, JuHyeong; Choi, JangYoung; Sung, So Young; Park, JungHyung; Shin, KyungHun
- Issue Date
- 1월-2024
- Publisher
- American Institute of Physics
- Citation
- AIP ADVANCES, v.14, no.1, pp 015134-1 - 015134-6
- Journal Title
- AIP ADVANCES
- Volume
- 14
- Number
- 1
- Start Page
- 015134-1
- End Page
- 015134-6
- URI
- https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/10412
- DOI
- 10.1063/9.0000754
- Abstract
- This paper presents an analysis of the operating principle of magnetic geared permanent magnet machines
(MGPMMs), electromagnetic analysis results according to the winding pattern, and a method for improving power
factor and loss characteristics. To improve electromagnetic performance, the air gap magnetic flux density was
calculated using the finite element method, and the harmonics of the inner and outer air gap magnetic flux densities was
analyzed using the fast Fourier transform (FFT). From the FFT results, harmonic orders that affect electromagnetic
performance were presented, and the electromagnetic analysis results were compared to derive correlations with torque
ripple and losses. In addition, a design method for improving electromagnetic performance and operating characteristics
was proposed by comparing power factors according to winding pattern. In particular, to improve the robust design and
efficiency of MGPMM, a method of reducing eddy current loss by segmenting permanent magnets was addressed. The
proposed analysis and design method can be widely used in the design and characteristic analysis of MGPMM.
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