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Wireless power transfer (WTP) emerged back in the early 1890s. This electrical technology captured major attention when a group of MIT researchers designed a functioning model of a WPT system that was efficiently able to transmit power and light a bulb of 60 W at a distance of 2 m. However, this concept was first put up by a Serbian scientist, Nikola Tesla, who introduced a system that could auspiciously transfer electrical power wirelessly. In this chapter, a detailed discussion on WPT and relevant methodologies and operation techniques is presented. A wireless power transfer system employs three distinct technologies: inductive, capacitive, and radiant. In this article, four fundamental compensation topologies of resonant WPTs are described, which are series–series (SS), parallel–parallel (PP), series–parallel (SP) and parallel–series (PS). Standard parameters and equation modelling have been discussed in …