Auxiliary Magnetic Repeater-Aided Dual-Output Wireless Charging with Coupling Analysis and Power Transfer Capability Considerations

Abstract

This paper proposes the auxiliary magnetic repeater-aided dual-output wireless charging with coupling analysis and power transfer capability considerations, in which the coupling resonance under different gap distances are concerned as well. This study analyzes the circuit architecture based on the simplification of equivalent models, by which parameters of resonant circuit are determined. Through the proposed design of a dual-output system, the balanced output power is seen to be achieved with higher flexibility. Experimental outcomes indicate that this proposed approach exhibits a satisfactory efficiency under various test scenarios. Test results concluded from comparisons between the proposed system and conventional system further supports the effectiveness of the auxiliary magnetic repeater for the increment of power transfer efficiency and system stability. The outcomes gained from practical tests are anticipated to serve as useful references for automated guided vehicles applications.