Permanent magnet bearings for horizontal- and vertical-shaft machines: A comparative study

T. Ohji*, S. C. Mukhopadhyay, M. Iwahara, S. Yamada

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

32 Citations (Scopus)

Abstract

Two types of magnetic bearing systems employing permanent magnets to be used for vertical-shaft and horizontal-shaft machines, respectively, have been designed and fabricated in our laboratory. In this article we report a comparative evaluation of (i) the permanent magnet configuration and its effect on radial disturbance attenuation, (ii) magnetic losses and their effect on energy storage, and (iii) the off-state position of the rotor magnet in two types of bearing systems. Experimental results are presented.

Original languageEnglish
Pages (from-to)4648-4650
Number of pages3
JournalJournal of Applied Physics
Volume85
Issue number8 II A
Publication statusPublished - 15 Apr 1999
Externally publishedYes

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