Critical Review of Direct-Drive Electrical Machine Systems for Electric and Hybrid Electric Vehicles

• Published in: IEEE transactions on energy conversion Vol. 37; no. 4; pp. 2657 - 2668
• Main Authors: Cai, Shun, Kirtley, James L., Lee, Christopher H. T.
• Format: Journal Article
• Language: English
• Published: New York IEEE 01.12.2022; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Automobiles; Differential gears; Direct-drive; electric vehicle; electrical machine; Electrification; Fossil fuels; Fuel storage; Gearboxes; Hybrid electric vehicles; Hybrid systems; in-wheel motor; Induction motors; Mechanical transmissions; Passenger comfort; permanent magnet machine; Permanent magnet motors; Propulsion systems; Reduction gearboxes; Rotors; Synchronous motors; Traction motors; Wheels; Windings

With ever-increasing concern of fossil fuel storage and environmental pollution, transportation electrification has recently attracted extensive attention. In conventional propulsion systems, the engine is connected to the wheel through a clutch, reduction gearbox, and mechanical differential. The m...