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The wireless nature of WPT provides convenient, safe power delivery while avoiding cable congestion. To address the battery charging problem in wireless charging systems, An LCCC/S-compensated magnetic coupling WPT scheme is designed herein to achieve dual-mode (CV/CC) power transfer with fixed-frequency operation.The system optimizes the design of the resonant circuit by introducing an LCCC/S compensation network, which improves the energy transfer efficiency and effectively reduces the sensitivity of the system to load variations. In addition, a load prediction method based on current feedback is presented, which dynamically adjusts the system parameters through real-time monitoring of the load current, Thereby achieving stable operation in all charging phases (CC and CV modes). The feasibility of the system was verified through simulations showing 8 A constant current and 120 V constant voltage outputs, confirming the effectiveness of the LCCC/S compensation network and control scheme.

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A LCCC/S Compensated Magnetically Coupled WPT System for Constant Output Characteristics

  • 会议论文

  • 发表日期：

    2026年

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  • Wenzhen He,
  • Xujian Shu,
  • Jingjing Yang,
  • Yanwei Jiang

摘要

The wireless nature of WPT provides convenient, safe power delivery while avoiding cable congestion. To address the battery charging problem in wireless charging systems, An LCCC/S-compensated magnetic coupling WPT scheme is designed herein to achieve dual-mode (CV/CC) power transfer with fixed-frequency operation.The system optimizes the design of the resonant circuit by introducing an LCCC/S compensation network, which improves the energy transfer efficiency and effectively reduces the sensitivity of the system to load variations. In addition, a load prediction method based on current feedback is presented, which dynamically adjusts the system parameters through real-time monitoring of the load current, Thereby achieving stable operation in all charging phases (CC and CV modes). The feasibility of the system was verified through simulations showing 8 A constant current and 120 V constant voltage outputs, confirming the effectiveness of the LCCC/S compensation network and control scheme.