Design considerations for 50 kW dynamic wireless charging with concrete-embedded coils

Abstract

Practical implementation of dynamic inductive power transfer requires integrating coil design techniques with existing construction methods. This work explores the various design challenges associated with embedding inductive power transfer (IPT) coils in concrete pavements. The coil design process outlined in this paper takes into account the structural aspects of concrete pavements and ease of construction. This paper also explores the effects of ferrite spacing on losses generated in the pad. A phase change material is used for passive thermal management of ferrite bars inside the concrete. Concrete-embedded pad prototypes are constructed and evaluated.