Over-load capacity of tubular permanent magnet linear motors

Maamar Benarous, F Eastham

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Citations (Scopus)

Abstract

The magnetic limit on the force produced by a tubular permanent linear motor can be taken to be reached when the armature mmf is sufficient to reduce the magnet flux to zero in one area of the magnet. It is shown that this limit is greater when the construction uses embedded magnets than when surface magnets are used. In both cases the limit may be extended by the use of quadrature-axis flux barriers. These reduce the armature flux and therefore the demagnetizing effect whilst leaving the permanent magnet field largely unaffected. 2009 IEEE.
Original languageEnglish
Title of host publication2009 IEEE International Electric Machines and Drives Conference, IEMDC 2009
PublisherIEEE
Pages606-610
Number of pages5
Volume2009
DOIs
Publication statusPublished - 2009
Event2009 IEEE International Electric Machines and Drives Conference, IEMDC '09, May 3, 2009 - May 6, 2009 - Miami, FL, USA United States
Duration: 1 Jan 2009 → …

Publication series

NameIEEE International Electric Machines and Drives Conference
PublisherIEEE Computer Society

Conference

Conference2009 IEEE International Electric Machines and Drives Conference, IEMDC '09, May 3, 2009 - May 6, 2009
CountryUSA United States
CityMiami, FL
Period1/01/09 → …

Keywords

  • Electric drives
  • Magnetic devices
  • Permanent magnets
  • Linear motors
  • Electric machinery
  • Motors

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