A base system (200,800) for wireless power transfer to an electric vehicle in a wireless charging system, the base system comprising a direct current, DC power source (404, 801) having an adjustable output voltage; an inverter (410, 802) configured to convert the adjustable output voltage to an alternating current; means for generating a magnetic field in an LCL network based on the alternating current from the means for converting, the means for generating comprising a first inductive element of the LCL network; and a controller configured to reduce a distortion signal and maintain a first harmonic component in the alternating current, and maintain the alternating current substantially constant in the first inductive element, wherein the inverter comprises a switching element, and wherein the controller is configured to control a conduction angle of the switching element and control the adjustable output voltage of the DC power source to reduce the distortion signal in the alternating current in response to an indication of the current level in the first inductive element (410, 804), wherein controlling the conduction angle and controlling the adjustable output voltage of the DC power source comprises transmitting control settings from the controller to the DC power source and the inverter; and wherein the controller is further configured to control the adjustable output voltage of the DC power source and the conduction angle of the switching element based on power demand, wherein if the power demand increases beyond an initial level, the controller is configured to increase the output voltage of the DC power source to an upper voltage threshold and subsequently adjust the conduction angle of the inverter outside of a range of 120 degrees to 140 degrees; and if power demand decrease, prioritizing adjusting the conduction angle of the switching element to the range of 120 degrees to 140 degrees before adjusting the output voltage of the DC power source towards a minimum voltage. means for generating a magnetic field in an LCL network based on the alternating current from the means for converting, the means for generating comprising a first inductive element of the LCL network; and a controller configured to reduce a distortion signal and maintain a first harmonic component in the alternating current, and maintain the alternating current substantially constant in the first inductive element, wherein the inverter comprises a switching element, and wherein the controller is configured to control a conduction angle of the switching element and control the adjustable output voltage of the DC power source to reduce the distortion signal in the alternating current in response to an indication of the current level in the first inductive element (410, 804), wherein controlling the conduction angle and controlling the adjustable output voltage of the DC power source comprises transmitting control settings from the controller to the DC power source and the inverter; and wherein the controller is further configured to control the adjustable output voltage of the DC power source and the conduction angle of the switching element based on power demand, wherein if the power demand increases beyond an initial level, the controller is configured to increase the output voltage of the DC power source to an upper voltage threshold and subsequently adjust the conduction angle of the inverter outside of a range of 120 degrees to 140 degrees; and if power demand decrease, prioritizing adjusting the conduction angle of the switching element to the range of 120 degrees to 140 degrees before adjusting the output voltage of the DC power source towards a minimum voltage.