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Gao Tian,Wang Xin,Jiang Linrui,Hou Jing,Yang Yan 대한전기학회 2021 Journal of Electrical Engineering & Technology Vol.16 No.3
Focusing on the tradeoff problem between the output power and transmission effi ciency of magnetic coupling resonance wireless power transmission (MCRWPT) system, this paper fi rstly analyzes the series–series topology system by using the mutual inductance theory of concentrated parameters, and proposes the concept of power-effi ciency composite function by using the method of normalization of output power and then the WPT system is assigned a weight factor. Based on that, the calculation expression of the optimal resonant frequency is obtained. The correctness of theoretical analysis is verifi ed by simulation and experimental platform, which provides a useful reference for further improvement of power-effi ciency synchronization and energy saving