Comparison of Two Different Interior Permanent Magnet Type Low-speed Rotor Structures of Axial-Flux Magnetic Gear

B. Dai, K. Nakamura, Y. Suzuki, Y. Oishi, Y. Tachiya, K. Kuritani

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Magnetic gears are expected for practical use due to their attractive features such as low vibration and maintenance-free because of no mechanical contacting torque transmission. Among them, a flux-modulated type magnetic gear has higher torque density than the other types. In previous papers, it was verified that an interior permanent magnet (IPM) structure rotor can reduce eddy current loss in magnets. This paper investigates that the IPM structure is applied to an axial-flux magnetic gear (AFMG). Two types of IPM low-speed rotor structures, one is a spoke-shape and the other is a segment-shape, are compared in terms of torque and efficiency.

Original languageEnglish
Title of host publication23rd International Conference on Electrical Machines and Systems, ICEMS 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1748-1751
Number of pages4
ISBN (Electronic)9784886864192
DOIs
Publication statusPublished - 2020 Nov 24
Event23rd International Conference on Electrical Machines and Systems, ICEMS 2020 - Hamamatsu, Japan
Duration: 2020 Nov 242020 Nov 27

Publication series

Name23rd International Conference on Electrical Machines and Systems, ICEMS 2020

Conference

Conference23rd International Conference on Electrical Machines and Systems, ICEMS 2020
CountryJapan
CityHamamatsu
Period20/11/2420/11/27

Keywords

  • axial-flux-type (AFMG)
  • magnetic gear
  • soft magnetic composite (SMC)
  • spoke-shape

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Safety, Risk, Reliability and Quality
  • Control and Optimization

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