| 摘要 |
In a non-contact power supply apparatus (1), at least by means of magnetic coupling, power is transmitted to or received by, in a non-contact manner, a power supply-side circuit (10) having a first coil (L1) and a power receiving-side circuit (20) having a second coil (L2), and at the time of transmitting/receiving power, the magnetic pole direction of the first coil (L1) becomes equal to the magnetic pole direction of the second coil (L2). The power supply-side circuit (10) is provided with a power control unit (15) that drives an inverter (14) so as to generate high frequency power to be supplied to the first coil (L1). The power control unit (15) drives the inverter (14) by selecting a frequency, which is higher than a resonant frequency of the power receiving-side circuit (20), said frequency being within a range wherein the number of resultant ampere turns of the first coil (L1) and the second coil (L2) becomes smaller than the number of resultant ampere turns obtained at a resonant frequency of the power receiving-side circuit (20). |
