Suspension principle and verification of 6/4 pole bearingless switched reluctance motor with permanent magnets in its stator yoke

In order to overcome the disadvantages of 12/8 pole bearingless switched reluctance motors (BSRMs), such as high commutation frequency, more stator windings, and more power devices, a 6/4 pole BSRM with half the commutation frequency and number of windings is studied. The structure characteristics a...

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Autores principales: YiFei Yang, RenZhong Wang, XiaoBin Zhu
Formato: article
Lenguaje:EN
Publicado: AIP Publishing LLC 2021
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Acceso en línea:https://doaj.org/article/2a0dc2436e32428cbb73da3d08f9c4da
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Sumario:In order to overcome the disadvantages of 12/8 pole bearingless switched reluctance motors (BSRMs), such as high commutation frequency, more stator windings, and more power devices, a 6/4 pole BSRM with half the commutation frequency and number of windings is studied. The structure characteristics and operation characteristics of the 6/4 pole BSRM are investigated through modeling, simulation, and prototype experiment, and the main performance indices, such as suspension force, inductance performance, and air-gap flux density, are evaluated to reveal the levitation control mechanism of the 6/4 pole BSRM with permanent magnets in its stator yoke. The motor can suspend stably in the radial direction, and the correctness and feasibility of the theoretical analysis are verified.