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Title: Novel Transverse Flux Machine for Vehicle Traction Applications: Preprint

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.
Authors:
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Publication Date:
OSTI Identifier:
1215115
Report Number(s):
NREL/CP-5D00-63661
Resource Type:
Conference
Resource Relation:
Conference: 2015 IEEE Power and Energy Society General Meeting, 26-30 July 2015, Denver, Colorado
Research Org:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Wind and Water Technologies Office (EE-4W)
Contributing Orgs:
North Carolina State University, Raleigh, North Carolina
Country of Publication:
United States
Language:
English
Subject:
24 POWER TRANSMISSION AND DISTRIBUTION; FERRITES; PERMANENT MAGNET MOTORS; TORQUE DENSITY; TRANSVERSE FLUX MOTORS; NATIONAL RENEWABLE ENERGY LABORATORY; NREL