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Study of the Electromagnetic and Mechanical Properties of a High-silicon Steel for a High-speed Interior PM Rotor

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

High-speed operation is one of an important developments of the electric machines. Currently, surface-mounted PM rotor is more commonly employed than interior PM rotor in the high-speed PM motors. However, the high-speed surface-mounted PM rotor needs a sleeve to protect the rotor from centrifugal force. This brings a series of problems, such as much higher eddy current losses in the metal sleeves and PMs, poor flux weakening ability and so on. In order to avoid sleeves for the high-speed PM rotors, a high-strength and low-losses rotor core for an interior PM rotor is in need. This paper studies the electromagnetic and mechanical properties of a high-silicon steel 10JNEX900 and uses the tested data to design an example motor. The performances of the example motor in terms of electromagnetics, mechanics and temperature are fully studied.

Original languageEnglish
Title of host publication2019 22nd International Conference on Electrical Machines and Systems, ICEMS 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728133980
DOIs
StatePublished - Aug 2019
Externally publishedYes
Event22nd International Conference on Electrical Machines and Systems, ICEMS 2019 - Harbin, China
Duration: 11 Aug 201914 Aug 2019

Publication series

Name2019 22nd International Conference on Electrical Machines and Systems, ICEMS 2019

Conference

Conference22nd International Conference on Electrical Machines and Systems, ICEMS 2019
Country/TerritoryChina
CityHarbin
Period11/08/1914/08/19

Keywords

  • 10JNEX900
  • PM motor
  • amorphous magnetic material
  • high-silicon steel
  • high-speed motor

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