Magnetic frequency characteristics of permanent magnet for arc-shaped PM motor

Aki Watarai, Keisuke Fujisaki, Shunya Odawara, Kohei Fujitani

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

2 Citations (Scopus)

Abstract

Magnetic frequency characteristics of permanent magnet for arc-shaped PM motor are shown, because harmonics components of magnetic flux density is supplied to PM, and the loss increase is expected. Stator core shape of PM motor makes slot harmonics components, and PWM inverter to magnetize the stator core makes time harmonics components. Numerical calculation shows that NdFeB sintered magnet has a large loss because of large eddy current in permanent magnet, though NdFeB bonded magnet has much smaller, because of 100 times smaller electrical conductivity.

Original languageEnglish
Title of host publicationProceedings - 2014 International Conference on Electrical Machines, ICEM 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1274-1278
Number of pages5
ISBN (Print)9781479943890
DOIs
Publication statusPublished - 2014 Nov 17
Event21st International Conference on Electrical Machines, ICEM 2014 - Berlin, Germany
Duration: 2014 Sep 22014 Sep 5

Other

Other21st International Conference on Electrical Machines, ICEM 2014
CountryGermany
CityBerlin
Period14/9/214/9/5

Keywords

  • FFT
  • High efficiency motor
  • Magnetic frequency characteristics
  • Permanent magnet
  • PM motor
  • Static magnetic property

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Mechanical Engineering

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