Unfolder-Based Single-Stage AC-AC Conversion System for Wireless Charging Applications

被引：0

作者：

Teeneti, Chakridhar Reddy ^{[1
]}

Hatch, Rees ^{[1
]}

Yelaverthi, Dorai Babu ^{[1
]}

Kamineni, Abhilash ^{[1
]}

Wang, Hongjie ^{[1
]}

Zane, Regan ^{[1
]}

机构：

[1] Utah State Univ, Elect & Comp Engn, Logan, UT 84341 USA

来源：

2020 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2020年

基金：

美国能源部;

关键词：

Unfolder; soft DC-link; T-type converter; AC-AC conversion; wireless power transfer; SERIES-RESONANT CONVERTER; MATRIX CONVERTER;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper presents a grid-frequency to high-frequency AC-AC converter and its control scheme for wireless charging applications. The proposed AC-AC converter utilizes a T-type converter to process the soft DC-link generated by a 3-F unfolder. A control strategy for the T-type converter to perform both power factor correction and output voltage or current control simultaneously is presented in this paper. The expressions for duty ratios of the T-type converter are derived using the fundamental harmonic analysis method. Simulation results for a 100 kW system driving a series-series compensated wireless charging topology are presented to validate the control method. Hardware results of a 1 kW scaled-down prototype with less than 2% grid current THD using feed-forward control are presented to demonstrate the applicability of the proposed system.

引用

页码：5193 / 5198

页数：6

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