In the field of Capacitive Power Transfer (CPT) system research, maintaining stable power transmission remains a pressing concern. Misalignment between couplers leads to uncontrollable power transfer, significantly compromising the stability of CPT devices. Furthermore, most anti-misalignment techniques encounter several challenges, such as complex design procedures and the need for multiple compensation components. This paper introduces a parameter design approach tailored for CPT systems by operating the system in a non-resonant state to achieve stable power transfer. The proposed method employs a basic compensation network to address misalignment issues, eliminating the need for active control mechanisms or additional compensation components. To validate the efficacy of the proposed method, a simulation experiment was conducted. The results demonstrate its effectiveness, as power remains stable throughout the misalignment process, and soft-switching capability is consistently maintained.

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Parameter Design of Non-resonant and Misalignment-Tolerant Capacitive Power Transfer System

  • Yu Wang,
  • Jingyu Wang,
  • Zhicong Huang

摘要

In the field of Capacitive Power Transfer (CPT) system research, maintaining stable power transmission remains a pressing concern. Misalignment between couplers leads to uncontrollable power transfer, significantly compromising the stability of CPT devices. Furthermore, most anti-misalignment techniques encounter several challenges, such as complex design procedures and the need for multiple compensation components. This paper introduces a parameter design approach tailored for CPT systems by operating the system in a non-resonant state to achieve stable power transfer. The proposed method employs a basic compensation network to address misalignment issues, eliminating the need for active control mechanisms or additional compensation components. To validate the efficacy of the proposed method, a simulation experiment was conducted. The results demonstrate its effectiveness, as power remains stable throughout the misalignment process, and soft-switching capability is consistently maintained.