Power transmission apparatus for wireless transfer of electrical power from a power source to a power receiver, and from a power supply to a power storage unit in the nature of an electrical power distribution unit for electrically powered motor vehicles; power supplies for wireless power transfer; impedance matching units for use in transmitting high frequency electrical power from an electrical power source to an electrical receiver in the nature of wireless transmitters and receivers; control apparatus for controlling the wireless transfer of electrical power from an electrical power source to an electrical power receiver in the nature of electronic controllers for use with power converters for electrically powered vehicles; measuring devices for wireless power transfer in the nature of measuring equipment, namely, computer-controlled apparatus for testing and measuring the performance and efficiency of wireless power transfer equipment for electrically powered vehicles; electric power transmitting coils; apparatus for receiving electrical power by wireless transmission from an electrical power supply for electrically powered vehicles in the nature of electronic receivers; electric power receiving coils; microwave generators for power transmission apparatus for wireless power transfer in the nature of electromagnetic apparatus used to generate or measure magnetic fields; power supply units; measuring apparatus for measuring electrical current, voltage, power and phase during wireless transfer of electrical power, comprising electrical ammeters, electrical voltmeters, electrical wattmeters, and electrical phase measuring circuit testers; electric and magnetic meters and testers namely, ammeters, voltmeters, wattmeters and phase indicators in the nature of pulse generators for testing electric current; ammeters; voltmeters; wattmeters; phase indicators in the nature of pulse generators for testing electric current; power supply units for wireless power transfer; power distribution or control machines and apparatus for distributing and controlling the wireless transmission of high frequency electrical power from a power source to a power receiver in the nature of electrical power distribution units and power controllers; rotary converters; electrical power phase modifiers in the nature of electric power converters, current converters, and current transformers used to optimize the wireless transmission of electrical power from a power source to a power receiver; electrical charging apparatus for charging an electrical power receiver by wireless transmission of electrical power from an electrical power source to the electrical power receiver; electrical storage apparatus in the nature of electrical cells and batteries for storing electrical energy received wirelessly from an electrical power source; apparatus for transmitting electrical power wirelessly from an electrical power source to an electrical power receiver for electrically powered vehicles in the nature of electrical power distribution units; electrical power receiving apparatus for receiving electrical power wirelessly from an electrical power supply in the nature of receivers, namely, electric power converters for electrically powered vehicles; wavemeters; electrical batteries and cells; magnetic cores; resistance wires; electrodes