Year-end Sale % OFF 
Abstract
The traditional permanent magnet (PM) magneto motive force (MMF) / specific permeance model has been widely applied to analytically predict the magnetic field of vernier permanent-magnet machines (VPMs). However, it fails to accurately predict the performances of spoke-type VPMs. This paper clarifies the intrinsic reason, i.e. the spoke-type VPMs have a large additional PM MMF introduced by the stator slotting, while the traditional model ignores it. In this paper, the additional PM MMF is analytically calculated and its influence on electromagnetic performance is comprehensively investigated. It shows that the additional PM MMF leads to reductions in the airgap flux density, back-EMF, and torque performances of spoke-type VPMs. Especially when the pole ratio is high, the reductions due to the additional PM MMF are more obvious. Finally, a spoke-type VPM prototype is built and tested to verify the theoretical analysis.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
