Quasi-3D electromagnetic analysis and experimental verification of multi-pole magnetization BLDC motor

This paper presents a quasi-3D electromagnetic analysis of the multi-pole magnetization BLDC motor. The permanent magnet (PM) of a multi-pole magnetization BLDC motor has several poles in a magnet. The polar separation section of the multi-pole PM is implemented through the magnetization pattern fun...

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Veröffentlicht in:AIP advances 2020-01, Vol.10 (1), p.015218-015218-5
Hauptverfasser: Shin, Hyo-Seob, Jang, Gang-Hyeon, Choi, Jang-Young
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Sprache:eng
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Zusammenfassung:This paper presents a quasi-3D electromagnetic analysis of the multi-pole magnetization BLDC motor. The permanent magnet (PM) of a multi-pole magnetization BLDC motor has several poles in a magnet. The polar separation section of the multi-pole PM is implemented through the magnetization pattern function. The analysis model of this study, as the outer rotor type, has two 3D structures: the PM overhang and housing-integrated rotor core. Because the 3D analysis is time consuming, 3D structures are corrected to 2D analysis model. The PM overhang is corrected by considering the magnitude of magnetic energy, and the housing-integrated rotor core is corrected by considering the radial direction flux of the rotor core. Finally, the corrected 2D analysis model of a multi-pole magnetization BLDC motor is verified experimentally.
ISSN:2158-3226
2158-3226
DOI:10.1063/1.5130204