Comprehensive Analysis and Control of Maximum Power and Maximum Efficiency for Multiple-Objective Wireless Charging Systems.

摘要

Recently, wireless power transfer (WPT) is getting increasing attentions, for it is able to provide a brand new method for power transmission. The limitations of traditional cable charging method such as tangled and inconvenient power cords, and a limited number of charging interface are well overcome. As for the WPT system, one of the major concern is the power transmission efficiency and the transmitted power influenced by various transmission distance and the variety of loads. Especially in multi-receiver condition, there existing variety of loads with different requirements. Based on the impedance alteration method [1], a comprehensive analysis regarding to the relationship among the equivalent load, output power and efficiency in multi-receiver system is conducted, and a novel load alteration strategy aiming at better satisfying different requirements in different load consistence is proposed based on the aforementioned analysis.