Research on efficiency maximization of multi-load WPT system based on multi-port network theory
Multi-port network theory was employed to analyze the efficiency maximization for multi-load WPT system,and the optimal load value problem under maximum system efficiency was transformed to solve the problem of a generalized eigenvalue.Firstly,the optimal load value under the efficiency maxi-mization was derived theoretically for multiple-load inductive WPT system.Secondly,according to the duality principle,the optimal load value under the efficiency maximization was presented for multiple-load capacitive WPT system.Thirdly,the genetic algorithm was used to verify the correctness of the theoretical analysis employed multi-port network theory.Finally,the experimental platform of a SS-based inductive WPT system was built,the load systems with single input and two outputs,single input and three out-puts,single input and four outputs,single input and two different outputs and single input and three dif-ferent outputs were taken as samples.By comparing the simulation and experimental data,the correctness of the theoretical analysis and the feasibility of the optimal load design are verified.
wireless power transmissionmultiple-loadmaximum efficiencyoptimum loadport networkgenetic algorithm
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