| 摘要 |
The present invention relates to a resonance-coupled wireless power transmitting method and a system thereof. According to an embodiment of the present invention, the wireless power transmitting method to match impedance by considering a distance of a load from a source side of the wireless power transmitting system includes a step (a) of storing a system parameter about the wireless power transmitting system - the system parameter includes at least one among a coil parameter, a coupling coefficient, and reflecting power by distance -; a step (b) of determining where to place the load in an over-coupled region or an under-coupled region by using the peak of the reflecting power reflected from the load side; a step (c) of primarily estimating a distance between the source and the load by using the system parameter and the determined region; a step (d) of determining a capacitor value of the source side according to the primarily estimated distance; and a step (e) of exploring for optimal impedance while changing the capacitor value, starting from the determined capacitor value. |
