A light 3D finite element magnetodynamic a-v model of resonant wireless power transfer (WPT) coils using 3D surface impedance boundary condition (SIBC) strongly coupled with an external circuit is proposed, reflecting the importance of external circuit elements (notably capacitances) in the resonance phenomena at circuit and field levels. The computational gain ensuing from the use of SIBC instead of massive conductor formulations is demonstrated on an academic example. The method is validated by comparing the simulated and experimentally measured input impedance of a complete resonant WPT system, attesting the correct behavior of the model while saving important computational resources.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.