A New Switched Reluctance Motor with Embedded Permanent Magnets for Transportation Electrification

TL;DR

This paper introduces a novel three-phase hybrid-excited switched reluctance motor with embedded permanent magnets, achieving higher torque density for transportation electrification, validated through design, simulation, and experimental testing.

Contribution

It presents a new motor topology with embedded permanent magnets, combining advantages of switched reluctance and flux switching motors, with comprehensive analysis and experimental validation.

Findings

Higher torque density achieved

Design validated through finite element analysis

Prototype confirms simulation results

Abstract

A new three-phase hybrid-excited multi-tooth switched reluctance motor with embedded permanent magnets is proposed, capable of achieving higher torque density for transportation electrification applications. Operating principles and design considerations are discussed. A magnetic equivalent circuit is developed. Finite element method is employed in the field analysis. The advantages of the proposed topology over existing designs for switched reluctance motors and flux switching motors are presented. Finally, the optimized design is prototyped to experimentally confirm the design and simulation results.