Modeling and Analysis of Wireless Power Transfer System with Constant-Voltage Source and Constant-Current Load

被引：0

作者：

Zhang, Yiming ^{[1
]}

Zhao, Zhengming ^{[2
]}

Jiang, Ye ^{[2
]}

机构：

[1] Missouri Univ Sci & Technol, Dept Elect & Comp Engn, EMC Lab, Rolla, MO 65409 USA

[2] Tsinghua Univ, Dept Elect Engn, State Key Lab Power Syst, Beijing, Peoples R China

来源：

2017 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2017年

关键词：

wireless power transfer; wireless charging; WPT; constant current; load characteristic;

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：

Wireless charging for electric vehicles is gaining more and more popularity recently. This paper analyzes the wireless power transfer (WPT) system with a constant-voltage source and a constant-current load, which is featured in series compensation in the transmitter and parallel compensation in the receiver. The source voltage and the load current are square waves with fixed amplitudes. The closed-form expressions of the output power and the transfer efficiency are deduced by means of the phasor diagram and with the introduction of the transmitter admittance. The conditions to achieve the maximum output power and the maximum transfer efficiency and their maximum values are derived. An experimental prototype is implemented to verify the analysis. The theoretical analysis is helpful for the design of a WPT system with a constant-voltage source and a constant-current load.

引用

页码：975 / 979

页数：5

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