Abstract
The aim of this article is to present a more refined thermal model based on a lumped parameter thermal network in which losses are determined more accurately from a 2D coupled electromagnetic complex finite-element method. In addition, saturation and end winding effects are taken into account. To check the validity of the theoretical results, an experimental investigation has been performed on a 2.2-kW totally enclosed fan-cooled induction motor. The calculated temperatures and those obtained from measurements are compared and showed good agreements. However, these results are comparable to those obtained previously (Benamrouche, N., Bouheraoua, M., and Haddad, S., “A thermal model for a TEFC induction motor—development and sensitivity analysis,” Elect. Power Compon. Syst., Vol. 34, No. 3, pp. 259–269, 2006), despite all the efforts and complexities involved.
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