一种宽负载高效率磁耦合谐振式无线输电逆变器设计
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方艺翔(1992-),男,硕士研究生,主要从事磁耦合谐振式无线输电拓扑、控制策略以及效率优化研究;E-mail:pept_fang@mail.shiep.edu.cn

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上海市自然科学基金(15ZR1418000)


Wide load and high efficiency power inverter design applied to magnetically coupled resonant wireless transmission
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    摘要:

    针对磁耦合谐振式无线输电(MCR-WPT)在功率传输过程中因负载变化导致效率下降的问题,设计一种高效逆变器,改进后的结构能够显著拓宽 MCR-WPT系统在高效率电能传输下的负载适应范围。分析 MCR-WTP系统负载与输入阻抗之间的关系,并在 E类逆变器电源的基础上,通过改变逆变器结构,实现 MCR-WPT 系统全负载内逆变器的软开关运行,保持 MCR-WTP系统的高效率运行。仿真结果验证了所提结构的有效性。

    Abstract:

    Aiming at the problem that the efficiency of magnetic coupling resonance-wireless power transmission (MCR-WPT) is reduced due to load changes during the transmission process, an efficient inverter is designed.The improved structure can significantly widen the load adaptation range of MCR-WPT system under high efficiency power transmission. After analyzing the relationship between the load and input impedance of MCR-WTP system and using the E-type inverter as the power supply, the inverter of the MCR-WPT system is fully soft switched by changing the structure of inverter.The operation efficiency of MCR-WTP system keep on the high level. Simulation results verify the effectiveness of the proposed structure.

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方艺翔,张宇华,赵晓轲,张玉伟.一种宽负载高效率磁耦合谐振式无线输电逆变器设计[J].电力科学与技术学报,2021,(2):209-216. Fang Yixiang, Zhang Yuhua, Zhao Xiaoke, Zhang Yuwei. Wide load and high efficiency power inverter design applied to magnetically coupled resonant wireless transmission[J]. JOURNAL OF EIECTRIC POWER SCIENCE AND TECHNOLOGY,2021,(2):209-216.

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  • 在线发布日期: 2021-05-08