| 摘要 |
PROBLEM TO BE SOLVED: To provide a power transmission device which can transmit power well even to power receiving sections of various sizes.SOLUTION: A power transmission device for transmitting power, in non-contact, to a secondary coil 22 mounted on a vehicle includes a plurality of split cores having a first end face and a second end face arranged in the arrangement direction at an interval, and a peripheral surface located between the first and second end faces, a plurality of primary coils wound around the peripheral surfaces of the plurality of split cores, respectively, and a selection part for selecting the primary coils to which power is supplied from a power supply. |
