I. Introduction
The technology for inductive wireless charging of electric vehicles, typically referred to by wireless power transfer (WPT) has become an interesting option to recharge the vehicle batteries. Many reasons are in favor of wireless charging: the low aesthetic impact, in particular where charging spots have to be located in places of historical interest in hystorical sites; the simple charging procedure, limited to the correct parking of the vehicle, of particular interest especially for people with motor disabilities increased the public interest in the advent of such systems is growing.