Eddy Current Analysis of Litz Wire Using Homogenization-Based FEM in Conjunction With Integral Equation
Shingo HirumaGraduate School of Information Science and Technology, Hokkaido University, Sapporo, JapanYoshitsugu OtomoGraduate School of Information Science and Technology, Hokkaido University, Sapporo, JapanHajime IgarashiGraduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan
2017en
ABI
Аннотация
A new method is introduced to evaluate the macroscopic permeability of a litz wire which is composed of stranded conductors. In this method, an integral equation is solved for the complex magnetization in the litz wire generated due to the proximity effect. The macroscopic permeability computed from the magnetization is used in the homogenization-based finite-element analysis of eddy currents in a litz-wire coil. It is shown that the wire twist has a little effect on the complex permeability.
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