WIRELESS POWER TRANSFER APPARATUS ADJUSTING GAIN OF LC RESONANT GENERATOR USING FIXED FREQUENCY AND METHOD FOR ADJUSTING GAIN OF LC RESONANT GENERATOR

摘要

In the present specification, the drive frequency of the inverter drive signal is fixed, the wireless power transmitter and wireless power transmission that can stably adjust the transmission gain of the wireless power transmitter by generating and adjusting the transmission gain pulse-free inverter drive signal Provide a method. To this end, the wireless power transmitter according to an embodiment includes a plurality of power transmitters for forming a plurality of wireless power signals having different frequencies to transfer wireless power to the wireless power receiver, the wireless power receiver May include a plurality of power receivers capable of receiving each of the plurality of wireless power signals having different frequencies.