Title :
Magnetic Gears for High Torque Applications
Author :
Penzkofer, Andreas ; Atallah, K.
Author_Institution :
Dept. of Electron. & Electr. Eng., Univ. of Sheffield, Sheffield, UK
Abstract :
An analytical model for the prediction of the magnetic field distributions in the airgaps and permanent magnets of large radial-field magnetic gears equipped with radially and Halbach magnetized (HM) permanent magnets is presented. The model is compared to 2-D finite element analysis and has been employed for the design optimization of a large magnetic gear. It is shown that adopting a discrete HM distribution results in significant improvements in torque transmission capability and substantial reduction in active mass.
Keywords :
finite element analysis; gears; permanent magnets; torque; 2D finite element analysis; Halbach magnetized permanent magnets; air gaps; large radial-field magnetic gears; magnetic gears; permanent magnets; torque transmission capability; Gears; Magnetic analysis; Magnetic separation; Magnetomechanical effects; Permanent magnets; Rotors; Torque; Analytical model; Halbach magnetization (HM); magnetic gears;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2014.2328093
