Analysis and Testing of a Coaxial Magnetic Gearbox with Flux Concentration Halbach Rotors

Authors

Debarupa Som, University of North Carolina at CharlotteFollow
Kang Li, University of North Carolina at CharlotteFollow
Joshua Kadel, University of North Carolina at CharlotteFollow
Jason Wright, University of North Carolina at CharlotteFollow
Sina Modaresahmadi, University of North Carolina at CharlotteFollow
Jonathan Bird, Portland State UniversityFollow
W. William, University of North Carolina at Charlotte

Document Type

Post-Print

Publication Date

6-15-2017

Subjects

Electromagnetism -- Mathematical models, Magnetic suspension, Rotors -- Design and construction, Magnetic coupling, Permanent magnets

Abstract

Halbach array magnetic gearboxes have been discussed as being able to create high torque density. However, Halbach arrays are difficult to mechanically assembly and often the effective air-gap must be made larger in order to provide space for a retaining sleeve. This paper investigates the benefits of using an additional ferromagnetic retaining pole within the Halbach array structure. It is shown that utilizing this flux concentration ferromagnetic pole improves the torque density and can also help retain the magnets in place.

Description

© 2017 IEEE.

DOI

10.1109/TMAG.2017.2715799

Persistent Identifier

http://archives.pdx.edu/ds/psu/22127

Citation Details

Som, Debarupa; Li, Kang; Kadel, Joshua; Wright, Jason; Modaresahmadi, Sina; Bird, Jonathan; and William, W., "Analysis and Testing of a Coaxial Magnetic Gearbox with Flux Concentration Halbach Rotors" (2017). Electrical and Computer Engineering Faculty Publications and Presentations. 422.
http://archives.pdx.edu/ds/psu/22127