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基于线圈回路复阻抗设计实现无线能量传输系统最大效率研究

, PP. 99-105

Keywords: 无线能量传输,四线圈结构,最大效率,复阻抗设计

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Abstract:

目前四线圈结构无线能量传输系统大多采用磁谐振技术,通过调整实际负载与系统最佳负载相匹配实现系统最大效率工作。本文提出一种基于线圈回路复阻抗设计技术,可通过调整线圈回路复阻抗使得系统工作在最大效率状态。首先,对系统效率与各线圈回路复阻抗之间关系进行理论推导,证明基于线圈回路复阻抗设计技术的理论可行性。其次,采用数值仿真方法,分析理论推导与实际系统的差别,计算实际系统设计时线圈回路复阻抗数值,并对比两种最大效率设计方法的系统效率和功率输出性能;最后,搭建四线圈结构无线能量传输实验平台,对基于线圈回路复阻抗设计方法进行实验验证。

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