Novel Transverse Flux Machine for Vehicle Traction Applications: Preprint

Eduard Muljadi, Zhao Wan, Adeeb hmed, Iqbal Husain

Research output: Contribution to conferencePaper


A novel transverse flux machine topology for electric vehicle traction applications using ferrite magnets is presented in this paper. The proposed transverse flux topology utilizes novel magnet arrangements in the rotor that are similar to the Halbach array to boost flux linkage; on the stator side, cores are alternately arranged around a pair of ring windings in each phase to make use of the entire rotor flux that eliminates end windings. Analytical design considerations and finite-element methods are used for an optimized design of a scooter in-wheel motor. Simulation results from finite element analysis (FEA) show that the motor achieved comparable torque density to conventional rare-earth permanent magnet (PM) machines. This machine is a viable candidate for direct-drive applications with low cost and high torque density.
Original languageAmerican English
Number of pages7
StatePublished - 2015
Event2015 IEEE Power and Energy Society General Meeting - Denver, Colorado
Duration: 26 Jul 201530 Jul 2015


Conference2015 IEEE Power and Energy Society General Meeting
CityDenver, Colorado

NREL Publication Number

  • NREL/CP-5D00-63661


  • ferrites
  • National Renewable Energy Laboratory (NREL)
  • NREL
  • permanent magnet motors
  • torque density
  • transverse flux motors


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