Characteristics Evaluation of Magnetic Multiple Spur Gear for High Speed Motor Drive System

Kohei Aiso, Kan Akatsu, Yasuaki Aoyama

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

Abstract

Magnetic gears realize the system with maintenance-free, low noise and low vibration characteristics by non-contact power transformation. However, conventional magnetic gears are not suitable for the high speed drive because of the low mechanical strength due to permanent magnets of the high speed rotor. In addition, the gear efficiency is much decreased by increasing the eddy current loss in the magnets and core loss due to the harmonic fluxes. To overcome these problems, in this research, a novel Magnetic Multiple Spur Gear (MMSG) is proposed to achieve the high efficiency and to make downsizing the system. In this paper, the reason why the MMSG can realize the high torque density and high efficiency is clarified by focusing on the flux density distribution. In addition, the efficiency and loss of the prototype gear in the high speed region are verified by the experiment.

Original languageEnglish
Title of host publication2021 IEEE Energy Conversion Congress and Exposition, ECCE 2021 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages4418-4423
Number of pages6
ISBN (Electronic)9781728151359
DOIs
Publication statusPublished - 2021
Event13th IEEE Energy Conversion Congress and Exposition, ECCE 2021 - Virtual, Online, Canada
Duration: 2021 Oct 102021 Oct 14

Publication series

Name2021 IEEE Energy Conversion Congress and Exposition, ECCE 2021 - Proceedings

Conference

Conference13th IEEE Energy Conversion Congress and Exposition, ECCE 2021
Country/TerritoryCanada
CityVirtual, Online
Period21/10/1021/10/14

Keywords

  • high speed drive
  • Magnetic gear
  • multiple motors

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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