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In this paper, a practical method is presented, how to adjust the inductance curve of a nonlinear (saturable) inductor with respect to a desired shape. For these purposes, a nonlinear model was developed based on finite element method (FEM). It is shown how a highly efficient construction with low stray fields and maximum package density can be achieved. Different prototype inductors were realized...
In this paper an efficient water cooled power transformer with an application to high frequency induction heating is presented. The secondary side of the transformer is realized by a water cooled copper tube with rectangular cross section. The main advantage of the construction is the combination of copper band and copper tube windings. This winding configuration allows the interleaving of the windings...
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