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Numerical analysis of high-frequency induction heating including temperature dependence of material characteristics

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2 Author(s)
M. Enokizono ; Dept. of Electr. & Electron. Eng., Oita Univ., Japan ; H. Tanabe

We have carried out a numerical analysis of the magnetic field on high-frequency induction heating. This analysis includes the dependence of various magnetic properties on temperature. The required characteristics are obtained experimentally. We compare the experimental results with the theoretical values obtained by approximations. Until now, the current density inside the exciting coil on this kind of problem has been assumed to be uniform, which is different from actual phenomena. We propose a new method which takes the inhomogeneous distribution of exciting current into account. In this analysis, the eddy current of the exciting coil is also taken into account

Published in:

IEEE Transactions on Magnetics  (Volume:31 ,  Issue: 4 )