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After introducing the structure of the studied electric machine, we present the elements necessary for thermal modeling. We present the sources of losses and the elements of thermal conduction and thermal convection. We use a 2D FE method software named `'femm''. For 3D modeling, we begin by transforming the complex structure of the stator in a set of concentric cylinders. The axial thermal study...
In this paper we present winding thermal model in electrical machine. To predict the temperature distribution accurately in the complex system winding, we propose to consider winding as a homogeneous and to simplify the model in using an equivalent thermal conductivity. To determine the value of this coefficient, we propose an experimental device that reproduces only the physical phenomena of heat...
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