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Eddy current shielding by paramagnetic shields in linear synchronous motors

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3 Author(s)
Jeans, C.G. ; Dept. of Electr. Eng., Univ. of the Witwatersrand, Johannesburg, South Africa ; Cruise, R.J. ; Landy, C.F.

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

Published in:

Africon, 1999 IEEE  (Volume:2 )

Date of Conference:

1999