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Slot of electric machine

This is an example of the slot of electric machine simulation, performed with QuickField software.

Problem Type:
Plane problem of AC magnetics.

Geometry:
Slot of electric machine In this tutorial we will analyze the skin effect occurring at the industrial frequency 50 Hz. The resistance of the conductor, carrying 500 A sinusoidal current, in the slot of the electric machine will be calculated. Copper bar Stator Air 6 mm 3 mm 20 mm

Given:
Conductivity of copper g = 58 MS/m;
Current I = 500 A;
Frequency f = 50 Hz.

Problem:
In this tutorial we will analyze the skin effect occurring at the industrial frequency 50 Hz. The resistance of the conductor, carrying 500 A sinusoidal current, in the slot of the electric machine will be calculated.

Solution:
Relative permeability of steel is much higher than that of air and copper. On stator surface Ht=0 boundary condition is specified.

Results:
Current density in slot of electric machine:

slot of electric machine simulation

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