A Method of Estimating Mutual Inductance and Load Resistance Using Harmonic Components in Wireless Power Transfer System

被引：13
|
作者：
Yang, Dongsheng [1 ]
Won, Sokhui [1 ,2 ]
Tian, Jiangwei [1 ]
Cheng, Zixin [1 ]
Kim, Jongho [2 ]
机构：
[1] Northeastern Univ, Sch Informat Sci & Engn, Shenyang 110819, Liaoning, Peoples R China
[2] State Acad Sci, Inst Elect, Kwahak 1 Dong, Unjong Dist 999093, Pyongyang, South Korea
来源：
ENERGIES | 2019年 / 12卷 / 14期
基金：
中国国家自然科学基金;
关键词：
wireless power transfer; harmonic frequency; fast fourier transform; mutual inductance and load resistance; DESIGN; IDENTIFICATION; INFORMATION; RESONATORS; RECEIVER; VOLTAGE; SIDE;
D O I：
10.3390/en12142728
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：
In general, for the WPT (Wireless Power Transfer) system, as the mutual inductance and load resistance are calculated according to the measured data of both the transmitter and receiver, the wireless communication modules are needed to share data. A method for estimating mutual inductance and load resistance without wireless communication is proposed, based on the fundamental and third harmonic components. The circuit is decomposed with respect to the frequencies, by which the mathematic model is established. The fundamental and harmonic components of the output voltage and current of a high-frequency inverter are found by FFT (Fast Fourier Transform). The experimental WPT system with a SiC power MOSFET is designed, and the effectiveness of the proposed method is verified by the simulation and experiment results. Additional hardware and frequency scanning operation are not needed because of the use of the harmonic components.
引用
收藏
页数：19
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