Fast Calculation of Shielding Effectiveness in Wireless Power Transfer Systems

This paper proposes a fast analytical procedure to evaluate the shielding effectiveness (SE) of conductive shields in wireless power transfer (WPT) systems. The methodology exploits the current image method combined with a compact SE calculation formulation, which can also be extended to multilayered shields. A standard case study is considered, and the results are validated through finite-element method (FEM) simulations.