Title :
Eddy current shielding by paramagnetic shields in linear synchronous motors
Author :
Jeans, Carl G. ; Cruise, Rupert J. ; Landy, Charles F.
Author_Institution :
Dept. of Electr. Eng., Univ. of the Witwatersrand, Johannesburg, South Africa
fDate :
6/21/1905 12:00:00 AM
Abstract :
A small-scale prototype of a linear synchronous motor has been designed, built and tested. The study details the investigation of the shielding properties of a paramagnetic material that encases the secondaries of linear synchronous motors. Analysis has shown that a shield made of a paramagnetic material, such as aluminium or copper, reduces eddy currents in the secondary of the linear synchronous motor. These results have been obtained through finite element work and physical testing
Keywords :
eddy currents; electromagnetic shielding; finite element analysis; linear synchronous motors; machine testing; machine theory; machine windings; paramagnetic materials; Al; Cu; LSM secondaries; eddy current shielding; finite element analyses; linear synchronous motors; paramagnetic shields; physical testing; shielding properties; Aluminum; Current density; Eddy currents; Equations; Finite element methods; Magnetic materials; Numerical analysis; Paramagnetic materials; Synchronous motors; Testing;
Conference_Titel :
Africon, 1999 IEEE
Conference_Location :
Cape Town
Print_ISBN :
0-7803-5546-6
DOI :
10.1109/AFRCON.1999.821837
