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首页> 外文期刊>Journal of power electronics >Magnetic-Field-Model and Circuit-Model Based Analysis of Three-Phase Magnetically Coupled Resonant Wireless Power Transfer Systems with Cylinder-Shaped Coils
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Magnetic-Field-Model and Circuit-Model Based Analysis of Three-Phase Magnetically Coupled Resonant Wireless Power Transfer Systems with Cylinder-Shaped Coils

机译：基于磁场模型和电路模型的圆柱型线圈三相磁耦合谐振无线电力传输系统的分析

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摘要

In single-phase magnetically coupled resonant (MCR) wireless power transfer (WPT) systems, the transfer characteristics, including the output power and transfer efficiency, are significantly influenced by the spatial scales of its coils. As a potential alternative, a three-phase MCR WPT system with cylinder-shaped coils that are excited in a voltage-fed manner has been proposed to satisfy the requirements of compact space. This system adopts a phase-shifted angle control scheme to generate a rotating magnetic field and to realize omnidirectional WPT that is immune to spatial scales. The magnetic field model and equivalent circuit models are built to holistically analyze the system characteristics under different angular misalignments. Research results show that the transfer characteristics can be improved by modulating the phase-shifted angle in each phase. Experiments have also been carried out to evaluate the accuracy of the theoretical analysis and to confirm the validity of the system modeling method.
机译：在单相磁耦合谐振（MCR）无线功率传输（WPT）系统中，包括输出功率和传输效率在内的传输特性受其线圈空间比例的影响很大。作为一种潜在的替代方案，已经提出了一种三相MCR WPT系统，该系统具有以电压馈电方式励磁的圆柱形线圈，以满足紧凑空间的要求。该系统采用相移角控制方案来产生旋转磁场并实现不受空间尺度影响的全向WPT。建立了磁场模型和等效电路模型，以全面分析在不同角度未对准情况下的系统特性。研究结果表明，通过调制每个相位的相移角可以改善传输特性。还进行了实验，以评估理论分析的准确性，并确认系统建模方法的有效性。

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  • 来源
    《Journal of power electronics》 |2018年第4期|1154-1164|共11页
  • 作者

    Chen Xuling; Fu Xiewei; Jiang Chong; Pei Cunhui; Liu Fuxin;

  • 作者单位

    Nanjing Univ Aeronaut & Astronaut, Coll Mech & Elect Engn, Nanjing, Jiangsu, Peoples R China;

    Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing, Jiangsu, Peoples R China;

    Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing, Jiangsu, Peoples R China;

    Nanjing Univ Aeronaut & Astronaut, Coll Mech & Elect Engn, Nanjing, Jiangsu, Peoples R China;

    Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing, Jiangsu, Peoples R China;

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  • 正文语种 eng
  • 中图分类
  • 关键词

    Magnetically coupled resonant; Modelling; three-phase; Wireless power transfer;

    机译：磁耦合谐振;建模;三相;无线功率传输;

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