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Design of a Low-Ripple Double-Modular-Stator Switched Reluctance Machine for Electric Vehicle Applications by Wenju Yan; Hao Chen; Shuo Liao; Yongqiang Liu; He Cheng is a Engineering article available to read on EtoBox.

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To overcome the disadvantages of traditional switched reluctance machine with moderate power/torque density and high torque ripple, this paper proposes a novel double stator switched reluctance machine (DSSRM) with the inner and outer stators both adopting U-shaped segmental stator structure. By optimizing the polarity distribution of the inner and outer stator magnetic fields, the inner and outer stator magnetic fields are decoupled. Then the relationships of torque ripple coefficient with the mechanical offset angles of the inner and outer rotor teeth are investigated. To optimize the mechanical offset angle and reduce the torque ripple of the motor, the initial design method is proposed and five main parameters of the machine are optimized by finite-element analysis. Then the static magnetic characteristics and dynamic performance of this novel machine are simulated and analyzed. Finally, a 16/18/18/16 DSSRM is prototyped to validate the above simulation and theoretical analysis.

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Author

Wenju Yan; Hao Chen; Shuo Liao; Yongqiang Liu; He Cheng

Publisher

Institute of Electrical and Electronics Engineers (IEEE)

Published

2021

Language

EN

Field

Engineering (Physical Sciences)