Slotless construction for small synchronous motors using samarium cobalt magnets
- 1 January 1982
- journal article
- Published by Institution of Engineering and Technology (IET) in IEE Proceedings B Electric Power Applications
- Vol. 129 (5) , 251-261
- https://doi.org/10.1049/ip-b.1982.0037
Abstract
Rare-earth magnet materials offer the possibility of slotless designs for miniature motors. Comparative analyses of slotted and slotless designs are presented for 2-pole permanent-magnet synchronous motors where the magnet has a linear demagnetisation characteristic. Experimental results are given for the magnet field of the slotless design in which the magnet end effect is considered. Results from an experimental slotless motor having a plastics-bonded rare-earth magnet rotor are included.Keywords
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