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The improvements obtained on the torque with low currents using rotor with spiral sheets are analyzed
in this paper. To have a complete study, several rotors and stators have been built to verify the electromagnetic
variations on the three-phase asynchronous motors where they combine different constructive
and mechanical characteristics of the related elements: changing inertias, constructive materials, and the
geometrical shapes and disposition of the sheets. These different types of motors have been first tested in
the laboratory, then, are simulated using computer aided tools (Matlab–Simulink). In particular four stators
(1000, 1500, 1500-type A, and 3000 rpm) having the same constructive parameters, have been tested
with the following rotors: solid rotor, solid rotor with diamagnetic rings, drag cup, and simple and double
squirrel cage rotor. All these results have been compared to those obtained with the seven variants of
spiral sheet rotor, presented in this paper.
CitationMujal, R. Analysis of the three-phase induction motor with spiral sheet rotor. "International journal of electrical power and energy systems", Febrer 2012, vol. 35, núm. 1, p. 1-9.
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