Parameters Optimization of Electric Vehicles Dynamic Wireless Power Transfer System Based on LCC-S Compensation Topology

被引：0
|
作者：
Tian Y. [1 ,2 ]
Zhu Z. [1 ]
Tian J. [1 ]
Xiang L. [1 ]
机构：
[1] College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen
[2] School of Mechanical Engineering, Beijing Institute of Technology, Beijing
来源：
Jixie Gongcheng Xuebao/Journal of Mechanical Engineering | 2021年 / 57卷 / 14期
关键词：
Dynamic wireless power transfer; Electric vehicles; LCC-S compensation topology; Parameters optimization; Weighted average efficiency;
D O I：
10.3901/JME.2021.14.150
中图分类号：
学科分类号：
摘要：
An optimal design procedure for LCC-S (series) compensation network based on weighted average efficiency is proposed aiming at the problem that the coupling coefficient of the electric vehicles (EVs) dynamic wireless power transfer (DWPT) system will change randomly with the lateral misalignment of the vehicles, which will cause the decrease in system output power and efficiency. Based on the statistic characteristics of vehicle lateral misalignment in motion, a weight distribution method referring to the normal distribution principle is proposed. This method considers the system efficiency under the conditions of high, medium and low coupling to achieve high efficiency, so that the optimized topology parameters can well adapt to the actual working characteristics of DWPT systems. A prototype is implemented based on the optimized parameters. Simulation and experimental results indicate that the proposed method can improve the system output power and efficiency compared with the TWAE (Time-weighted average efficiency) method. © 2021 Journal of Mechanical Engineering.
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页码：150 / 159
页数：9
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