宽频磁耦合谐振式无线电能传输系统电源变换器技术

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Abstract Broadband power converter for wireless power transfer system via coupled magnetic resonances was designed in this paper, the performance of power converter which adopts class-E amplifier was analyzed, the efficiency and the load power were improved by optimizing the working states and matching network. Combining the design of matching network of transmitter and receiver resonator, this paper optimizes broadband characteristics of system and analyzes transmission characteristic for various resonant frequencies and resonators. Finally the experimental analysises which are in 0.15~8MHz broadband at 30cm are carried on to verify the theory and simulation, power converter maintains higher system efficiency in wideband working condition.

Key words： Wireless energy transfer, broadband converter, class-E power amplifier, resonator matching

Published: 04 January 2017

PACS:

TM464

Fund:国家自然科学基金资助项目（51207150、51407175）

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2016/V31/I增刊/25

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