Power Factor Correction Method Using Three-phase Single-switch Circuit for Wireless Power Transfer System

被引：0
|
作者：
Zhou X. [1 ]
Sun W. [1 ]
Gao D. [2 ]
Lin S. [1 ]
Hu Z. [1 ]
机构：
[1] School of Mechanical Engineering, University of Science and Technology Beijing, Beijing
[2] State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2019年 / 43卷 / 02期
关键词：
Boost circuit; Power factor correction; Series-resonant circuit; Variable coupling coefficient; Wireless power transfer;
D O I：
10.7500/AEPS20180503006
中图分类号：
学科分类号：
摘要：
An active power factor correction (APFC) control method using three-phase single-switch Boost circuit is proposed to reduce harmonic pollution to the power grid in the working process of wireless power transfer system. The effect of the coupling coefficient of coils on the control effect of APFC is studied by analyzing the working conditions of APFC circuit in the series-resonant wireless power transfer system. According to the output characteristics of three-phase single-switch Boost circuit and the impedance characteristics of series-resonant circuit, the working points of the system with variable coupling coefficient are corrected to achieve high power factor of input and high efficiency of output. The experimental results show that the proposed correction control strategy can reduce the distortion of input current and improve power factor and efficiency of wireless power transfer system with variable coupling coefficient. © 2019 Automation of Electric Power Systems Press.
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页码：137 / 142
页数：5
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