Slot thermal model - Inputs

The thermal exchanges from the conductors to the stator core are complex phenomena for which FluxMotor embeds a dedicated model.

This panel allows choosing the conduction model from the conductors to the stator core.

By default, a model is proposed. This model uses the slot fill factor, the conductor shape, and the conductivities of the materials inside the slot, to compute two equivalent conductivities:

The radial and orthoradial conductivity of the winding, used to compute thermal exchanges from the winding to the stator core.
The axial conductivity of the winding used to compute thermal exchanges from the in-slot winding to the end windings.



Internal cooling – slot model design area
1	Display the axial and radial view of the machine.
2	Display the internal cooling datasheet, showing the thermal parameters defining the internal heat exchanges.
3	Radial view of the motor, where specific exchange areas can be highlighted depending of the selected input.
4	Axial view of the motor, where specific exchange areas can be highlighted depending of the selected input.
5	The section “Slot model” is selected.
6	Button to set the slot conductivities automatically by internal process.
7	Selected button, to set the user slot conductivities.
8	Equivalent conductivities, to be set only when the User mode has been chosen. In user mode, the following inputs must be set: The radial and orthoradial conductivity of the winding, used to compute thermal exchanges from the winding to the stator core. The default value is 1.5 W/ (K.m). The axial conductivity of the winding used to compute thermal exchanges from the in-slot winding to the end windings. The default value is 200 W/ (K.m)
9	Button to restore default input values.
10	Button to apply inputs. Pressing the enter key twice applies inputs too.
11	Icon to export internal cooling data into .txt or .xls files.