An Independent Dual-Coil Driving Topology for Wireless Power Transfer

被引：16

作者：

Li, Houji ^{[1
]}

Liu, Ming ^{[1
]}

Kong, Lingchao ^{[1
]}

Wang, Yong ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Dept Elect Engn, Key Lab Control Power Transmiss & Convers, Minist Educ, Shanghai 200240, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2023年 / 38卷 / 02期

基金：

上海市自然科学基金;

关键词：

Topology; Switches; Inverters; Voltage; Magnetic separation; Magnetic flux; Couplers; Dual-coil driving topology; quadruple D square (QDS) coil; uniform magnetic field; zero voltage switching; WPT SYSTEM;

D O I：

10.1109/TPEL.2022.3208020

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The existing dual-coil driving topology mostly adopts two inverters or additional switching circuit, which increases the cost and size, and the complexity of the wireless power transfer (WPT) system. In this letter, a novel inverter topology with independent dual-coil driving capability is proposed for WPT applications, where the main switch and auxiliary switch can drive two independent coils. Moreover, this topology not only offers wide zero voltage switching range and compact size, but also improves the output power and coil utilization. Meanwhile, a quadruple D square (QDS) coil with uniform magnetic field is discussed with the dual-coil driving topology. The detailed parameters design of the proposed topology is discussed and the QDS coil is compared with other coils in terms of magnetic flux intensity. Finally, a 1MHz and 220W wireless power transfer system is built to verify the proposed topology and coil structure.

引用

页码：1378 / 1383

页数：6

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