Abstract:This article presents a circuit configuration and control for coil-array wireless power transmitters. The target coil arrays have coils that are uniform in shape and dimensions and are regularly arranged with an angular interval of 120°. The system has a three-leg half-bridge inverter, which simultaneously feeds the three coils in the transmitter. It can deal with more than three coils by adding a switch set between the inverter and the coils. The system has a configuration to cancel mutual inductances between… Show more
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