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A 2.5 m five-stage IPT system based on domino cylindrical solenoid coupler compensated respectively in layers is proposed in this Chapter. The distributed series compensation method is applied to double-layer cylindrical solenoid coupler. Compared with the two types of parallel schemes, this method can significantly reduce the current of the main circuit. Compared with the concentrated series compensation method, this method can effectively reduce the resistance caused by the stray capacitance. The circuit model of the system with constant voltage output characteristics is analyzed. A prototype with a maximum efficiency of 66.7% is built. When the power is transferred to a larger value of 77.8 W, the efficiency can still reach 62%. Comparing with previous works, the wireless distance is extended while the efficiency is improved.

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Long-Range Wireless Power Transfer System Based on Double-Layer Compensation Methods

  • 章节

  • 发表日期：

    2025年

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  • Yijie Wang,
  • Jianwei Mai,
  • Peng Gu,
  • Dianguo Xu

摘要

A 2.5 m five-stage IPT system based on domino cylindrical solenoid coupler compensated respectively in layers is proposed in this Chapter. The distributed series compensation method is applied to double-layer cylindrical solenoid coupler. Compared with the two types of parallel schemes, this method can significantly reduce the current of the main circuit. Compared with the concentrated series compensation method, this method can effectively reduce the resistance caused by the stray capacitance. The circuit model of the system with constant voltage output characteristics is analyzed. A prototype with a maximum efficiency of 66.7% is built. When the power is transferred to a larger value of 77.8 W, the efficiency can still reach 62%. Comparing with previous works, the wireless distance is extended while the efficiency is improved.