采用耦合谐振器的ZVS无线电力传输系统的新分析

2012 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications Pub Date : 2012-05-10 DOI:10.1109/IMWS.2012.6215801

T. Hosotani, I. Awai

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引用次数: 21

摘要

两个线圈构成了一个耦合谐振腔无线电力传输系统，是零电压开关电源的重要组成部分。首先采用谐波共振分析(HRA)和f参数共振分析(FRA)方法对耦合谐振器进行分析，得到输入阻抗和电压增益与工作频率的关系。然后，利用开关变换器分析工具(SCAT)对包括开关晶体管和整流二极管在内的总电路进行分析。用SCAT对包括半导体器件在内的全零伏开关(ZVS)电路进行了仿真，结果与FRA方法估计的电压增益有很好的一致性。因此，耦合线圈谐振器分析首次被用于分析全高效ZVS WPT系统。

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A novel analysis of ZVS wireless power transfer system using coupled resonators

Two coils constitute a coupled-resonator wireless power transfer (WPT) system contributing as a critical part of zero-volt-switching (ZVS) power supply. Coupled resonators are first analyzed by the harmonic resonance analysis (HRA), and the F-parameter resonance analysis (FRA) methods to obtain the input impedance and voltage gain vs. the operating frequency. After that, the total circuit including the switching transistors and rectifying diodes is analyzed by the switching converter analysis tool (SCAT). The estimated voltage gain by the FRA method is well duplicated in the total zero volt switching (ZVS) circuit simulation including the semiconductor devices by SCAT. Thus, the coupled coil resonators analysis is for the first time utilized to analyze the total high-efficiency ZVS WPT system.

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2012 IEEE MTT-S International Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications

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