Analysis on hybrid compensation topology circuit for wireless charging of electric vehicles

被引：0
|
作者：
Zhang H. [1 ,2 ]
Wang H. [1 ]
Li N. [1 ]
Lei Y. [1 ]
Yang F. [1 ]
Liu M. [1 ]
机构：
[1] School of Automation and Information Engineering, Xi'an University of Technology, Xi'an
[2] State Key Laboratory of Control and Simulation of Power System and Generation Equipments, Tsinghua University, Beijing
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2016年 / 40卷 / 16期
基金：
中国国家自然科学基金;
关键词：
Electric vehicle; Output of constant current and constant voltage; Switching compensation; Wireless power transmission;
D O I：
10.7500/AEPS20151012007
中图分类号：
学科分类号：
摘要：
The compensation type can directly affect the gain characteristics of output current and voltage in the wireless power transfer (WPT). A hybrid compensation topology circuit is proposed to solve the problem of unstable current or voltage output with dynamic load. It can be applied to the constant current and constant voltage wireless charging circuit of electric vehicles. An equivalent loosely coupled transformer T model for the former subsidiary side coil is developed. It is concluded by analysis that the wireless power transfer circuit in dynamic load can realize the characteristics of constant-current and constant-voltage output. Finally, a simulation model is built and the test bench is set up to verify the correctness of the theoretical analysis of the system. It is shown by experiment that a stable current output is achieved at the secondary side and the AC output current at the primary side of the inverter lags behind the output voltage waveform under the series/parallel connection compensation topology; a stable voltage output is achieved at the secondary side and the phase of AC output current and output voltage of the inverter at the primary side is zero in series/series-parallel connection compensation topology. © 2016 Automation of Electric Power Systems Press.
引用
收藏
页码：71 / 75
页数：4
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