2006 年 126 巻 9 号 p. 1274-1278
This paper presents the performance analysis method for the DC-DC converter with the MHz band transformer. In this method 3D electromagnetic field analysis employing finite element method (FEM), in which the displacement current is taken into consideration, is coupled with the circuit analysis. The performances of the transformer, such as input/output power and efficiency, are computed, and the validity of this method is confirmed through comparison of the computed and measured results. Furthermore the performances of a DC-DC converter with the transformer are calculated using the equivalent circuit of the transformer obtained from the results of FEM analysis. As the results, it is found that the calculated and measured input/output performances are in good agreement.
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