| CPC H02J 50/12 (2016.02) [H02J 50/80 (2016.02); H02M 1/0077 (2021.05)] | 16 Claims |
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1. A wireless power transmitter for wirelessly transmitting power to a wireless power receiver, the wireless power transmitter comprising:
a transmission coil;
a converter configured to output a driving voltage;
an inverter configured to output AC power to the transmission coil using the driving voltage; and
a controller,
wherein the controller is configured to:
measure a first voltage at one point within the wireless power transmitter while the power is wirelessly transmitted through the transmission coil,
identify a peak-to-peak value based on a difference between a maximum value and a minimum value of the first voltage, and
in accordance with the peak-to-peak value being greater than a first reference value, perform at least one operation for providing a first packet for reduction in modulation depth of the wireless power receiver to the wireless power receiver.
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