Keywords: Wireless power system.svg wireless power system Wireless power transfer is a collective term for several different technologies which transfer power across space without wires using electromagnetic fields A wireless power system consists of a transmitter device connected to a power supply such as mains power line which converts energy to a time varying electromagnetic field which transmits the energy across an intervening space to a receiver device which converts it back to an electric current which powers a load 2014-12-17 own Chetvorno other versions thumb left de version cc-zero Uploaded with UploadWizard Power supplies Wireless energy transfer |