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Current distribution in exciting coil conductors in cross-field heating systems

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2 Author(s)
Namjoshi, K.V. ; Dept. of Electr. Eng., Toronto Univ., Ont., Canada ; Biringer, P.P.

The current distribution in the exciting coils of double-sided iron-backed cross-field heating systems is analyzed. The finite-difference method is used to calculate the internal resistance of the winding. The internal resistance is used as a criterion in studying the effect of the load on the winding current distribution. The concept of equivalent surface current density shows the influence of such parameters as the winding cross section and the skin depth. Equivalent surface current density is obtained by placing virtual current sources at the interface of the winding conductor and the air gap. Impedance values calculated using the two methods are in agreement

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Magnetics, IEEE Transactions on  (Volume:29 ,  Issue: 2 )