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Experimental investigations of a shaded-pole flat linear induction motor

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4 Author(s)
Gieras, J.F. ; Dept. of Electr. & Electron. Eng., Cape Town Univ., Rondebosch, South Africa ; Kleinhans, P. ; Manchen, M.L. ; Voss, E.

A shaded-pole flat single-sided linear induction motor (LIM) has been tested experimentally. Although the construction of such a motor is very simple, it has been found that the performance characteristics are rather poor in comparison with a three-phase rotary induction motor and a three-phase LIM. The disadvantages of a shaded-pole LIM are a low power factor, a small starting torque, and a low efficiency. This is mainly due to a large airgap and the fact that the phase shift between the main and auxiliary winding is less than 90°. Nevertheless, a shaded pole linear motor can be found in applications where a three phase-power supply is not available and a simple and cheap drive is necessary

Published in:

AFRICON '92 Proceedings., 3rd AFRICON Conference

Date of Conference:

22-24 Sep 1992