Optimal parameter matching based on capacitor array for magnetically-resonant wireless power transfer system

被引：0

作者：

Jiang, Yan ^{[1
]}

Zhou, Hong ^{[1
]}

Hu, Wenshan ^{[1
]}

Gao, Xingran ^{[1
]}

机构：

[1] School of Power and Mechanical Engineering, Wuhan University, Wuhan,430072, China

来源：

Dianli Zidonghua Shebei/Electric Power Automation Equipment | 2015年 / 35卷 / 11期

关键词：

Capacitor arrays - Environmental variations - High frequency circuits - Mismatched conditions - Optimal parameter - Simulative analysis - System sensitivity - Transmission efficiency;

D O I：

10.16081/j.issn.1006-6047.2015.11.020

中图分类号：

学科分类号：

摘要：

Because of different influencing factors in practical operation, such as the stray inductance and capacitance of high-frequency circuit and the environmental variation, the transmission coil parameters of magnetically-resonant wireless power transfer system often drift, impacting the transmission efficiency and power. The relationship between the peak current at transmitting terminal and the symmetry of system is obtained by the simulative analysis based on system model and an optimal matching method with corresponding circuit is designed to track and adaptively tune the peak current at transmitting terminal for the optimal matching of system performance. Experiment verifies the effectiveness of the proposed method. Compared with the mismatched conditions, the proposed method can significantly improve the transmission efficiency and decrease the system sensitivity to stray inductance, capacitance and environmental variation. © 2015, Electric Power Automation Equipment Press. All right reserved.

引用

页码：129 / 136

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