Abstract: Wireless transfer refers to any of a number of methods by which electrical power is transferred from a source device or circuit to a sink device or circuit, using electromagnetic waves. Numerous techniques abound in the domain of wireless power transfer technology. The current paper carries out a brief review of the most salient concepts, with a special focus on far-field techniques.

Keywords: Wireless Power Transfer Technology, Magnetic Coupling, Travelling Waves, Near-Field, Far-Field, Coupled-Mode Theory

| DOI: 10.17148/IJIREEICE.2018.6113