Electric vehicle wireless power transfer (WPT) systems – Part 3: Specific requirements for magnetic field wireless power transfer systems

This technical specification addresses the specific requirements for wireless power transfer systems designed for electric vehicles. Focusing on the third part of a broader series, it establishes detailed criteria for systems utilizing electromagnetic fields to transfer energy. The document outlines essential parameters, testing procedures, and safety protocols necessary to ensure compatibility and efficiency between the charging infrastructure and the vehicle receiving unit. It defines performance limits related to electromagnetic compatibility, efficiency thresholds, and operational constraints within specific frequency bands. The text provides a framework for manufacturers and testing laboratories to evaluate the safety of the charging process and the integrity of the power delivery mechanism. It covers aspects such as system alignment, foreign object detection, and communication protocols between the ground-based equipment and the mobile unit. The goal is to harmonize technical expectations across the industry to support the widespread adoption of wireless charging solutions. By setting clear benchmarks, it aids in the development of reliable charging systems that meet national regulatory requirements without causing interference to other electronic devices.