Abstract
ABSTRACT This paper intends to give an experimental contribution to the comparison between the performances of single-sided linear induction motors having either a solid or a laminated back iron secondary. This study has been performed with a Gramme wound arc shaped primary, associated with two different secondaries. In spite of small differences between the main characteristics of the two secondary parts, a comparison has been possible through a theoretical model, Our results show that, in this case, the use of a solid secondary back iron reduces the maximum thrust of the motor for a given current, but increases slightly its maximum efficiency. So, although the use of such a solid back yoke reduces the cost of the motor, it is not obvious to know whether or not this is offset by the alteration of its performances.
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