Charging method based on constant current-constant voltage output characteristics of wireless electric energy transmission system

The invention discloses a charging method based on the constant current-constant voltage output characteristics of a wireless electric energy transmission system. LC/S compensation topology is adoptedto replace a direct current input voltage source and an inverter in the LC/S compensation topology with a sinusoidal voltage source of which the frequency is equal to inverter switching frequency, the parasitic resistance of an inductor and a capacitor is ignored, and a loose coupling transformer is replaced with a mutual inductance model to obtain an equivalent mutual inductance model circuit; afull bridge rectifying circuit is replaced with an equivalent load resistor RE, and a primary side parallel compensation capacitor C1 is split into capacitors C1' and C1'' to form LC, CL and series resonant cavities to obtain a simplification circuit; a mutual conductance gain Gi and a voltage gain Gv are defined to obtain a frequency point when the wireless electric energy transmission system has constant current output