BS ISO 5474-4:2025

1 Scope This document defines the requirements and operation of the on-board vehicle equipment that enables magnetic field wireless power transfer (MF-WPT) between supply device and electric vehicles (EV). It is intended to be used for passenger cars and light commercial vehicles. This document addresses the following aspects for an EV device:

safety requirements; transferred power and power transfer efficiency; ground clearance of the EV device; functionality with associated off-board systems under various conditions and independent of manufacturer (interoperability); test procedures.

This document does not provide:

requirements for dynamic (vehicle in motion) applications; requirements for reverse WPT; requirements for the operation of EV devices specified in this document with supply devices ...