ELECTRIC POWER SUPPLY DEVICE, TRANSPORTATION DEVICE AND NONCONTACT ELECTRIC POWER SUPPLY SYSTEM Russian patent published in 2017 - IPC H01J7/00 H02J50/10 

FIELD: electricity.

SUBSTANCE: invention provides for the following: control unit for the noncontact electric power supply, supplying electric power in noncontact manner from the power transmission coil into the coil that receives electric power by means of at least a magnetic coupling, and which charges the transportation device battery; contact electric power supply unit, supplying electricity into transportation device battery by electrically connecting through a cable to a connecting terminal provided for in the transportation device; and a controller which controls the control unit for noncontact electric power supply and contact electric power supply unit. When the first transportation device battery is charged by one power supply system from among the noncontact electric power supply system of control unit for noncontact electric power supply and contact electric power supply unit, and there is request from the second transportation device for the electric power supply by another electric power supply system, electric power supply by one power supply system continues, while the electric power supply by the another power supply system is switched to standby mode.

EFFECT: preventing limitations for charge of the battery charging by one electric power supply system in the presence of a request for charge by the other power supply system.

3 cl, 7 dwg