Increasing windings efficiency at high frequencies: hollow conductors and clad metal conductors Formal solution based on the magnetic potential
Résumé
the paper describes an application of the
magnetic potential based so-called “A-model” to evaluate
magneto harmonic effects in round hollow and clad metals
conductors. These technologies of conductors show
interesting properties to maximize the energy efficiency of
windings. However, beside Finite Element Method
simulation no analytical modeling makes it possible to
simulate with accuracy those windings. The A-method
based on analytical solution without any object meshing, is
extended for these two new geometries and reflects
accurately the electromagnetic behavior of the analyzed
conductors. The mathematical basics are reminded, then
the extension for hollow and clad metal conductors in 2D
space is presented and chosen applications are also shown.
The results have been validated by comparison with FEM
simulation.