DocumentCode
274212
Title
Synchronous motors with Nd-Fe-B magnets and solid-steel rotor
Author
Chalmers, B.J. ; Devgan, S.K.
Author_Institution
Univ. of Manchester Inst. of Sci. & Technol., UK
fYear
1989
fDate
13-15 Sep 1989
Firstpage
61
Lastpage
65
Abstract
The authors present a study of an alternative form of rotor construction which uses a solid-steel body and blocks of magnet material located beneath steel pole caps. This enables rectangular pieces of magnet to be used and only the pole caps need be skewed to avoid cogging torques. Asynchronous starting torque is contributed by eddy currents induced in the solid-steel rotor, primarily in the pole caps
Keywords
boron; iron; neodymium; permanent magnets; rotors; synchronous motors; NdFeB magnets; asynchronous starting torque; eddy currents; pole caps; solid-steel rotor; synchronous motors;
fLanguage
English
Publisher
iet
Conference_Titel
Electrical Machines and Drives, 1989. Fourth International Conference on (Conf. Publ. No. ??)
Conference_Location
London
Type
conf
Filename
55363
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