Power control system of wireless power transmission apparatus based on adjustable frequency

The invention discloses a power control system of a wireless power transmission apparatus based on adjustable frequency. The system comprises a transformation rectification conversion circuit, a harmonic wave inhibition unit, a high frequency oscillation unit and a power supply control unit, wherein, the transformation rectification conversion circuit realizes adjustable control of input power and input voltage of the system, and converts power frequency current into direct current; the harmonic wave inhibition unit filters out harmonic wave from the direct current voltage converted by the transformation rectification conversion circuit, and avoids high frequency harmonic wave of a high frequency oscillation system on a pre-stage circuit; with a direct current supply as input, through oscillation, the high frequency oscillation unit generates power alternating current with high frequency and high voltage, an LC oscillation loop is employed in an oscillation loop, a capacitor C involving oscillation employs an