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边俊,潘庭龙,吴定会.非对称磁耦合谐振无线电能传输系统效率优化[J].电源学报,2019,17(1):80-86
非对称磁耦合谐振无线电能传输系统效率优化
Efficiency Optimization of Asymmetrical Magnetic Coupled Resonant Wireless Power Transfer System
投稿时间:2017-02-09  修订日期:2018-06-09
DOI:10.13234/j.issn.2095-2805.2019.1.80
中文关键词:  无线电能传输  磁耦合谐振  互感系数  线圈偏置
英文关键词:wireless power transfer  magnetic resonance coupling  mutual inductance coefficient  coil deflection
基金项目:国家自然科学基金资助项目(61672266,61572237)
作者单位E-mail
边俊 江南大学物联网工程学院, 无锡 214122 1018706461@qq.com 
潘庭龙 江南大学物联网工程学院, 无锡 214122  
吴定会 江南大学物联网工程学院, 无锡 214122  
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中文摘要:
      针对线圈偏置对磁耦合谐振式无线电能传输系统传输效率的影响问题,首先,应用电路理论建立了无线电能传输系统的等效电路模型,并通过求解电路方程得到了系统传输效率的表达式;其次,根据线圈互感与空间位置的关系分析了线圈偏置对线圈互感的直接影响以及对传输效率的间接影响;得出了系统线圈偏置分为无方向性偏置与有方向性偏置两种;最后,设计了一套效率优化流程以补偿因线圈偏置而降低的传输效率。通过仿真实验验证了理论分析的正确性,为移动式无线充电系统的设计与优化提供了参考和借鉴。
英文摘要:
      The effect of coil deflection on the transmission efficiency of a magnetic coupled resonant wireless power transfer system is studied in this paper. First, an equivalent circuit model of the wireless power transfer system is set up using the circuit theory, and the expression of the system's transmission efficiency is obtained by solving the circuit equations. Then, the direct effect of coil deflection on mutual inductance and its indirect effect on transmission efficiency are analyzed according to the relation between mutual inductance and spatial positions, and it is suggested that the coil deflection can be divided into two kinds, i.e., non-directional and directional deflections. Finally, a set of efficiency optimization process is designed to compensate the reduced transmission efficiency caused by coil deflection, and the theoretical analysis is verified through simulation experiments, providing reference for the design and optimization of mobile wireless charging systems.
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