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Single-Wire Electric-Field Coupling Power Transmission Using Nonlinear Parity-Time-Symmetric Model with Coupled-Mode Theory

Author

Listed:
  • Xujian Shu

    (School of Electric Power Engineering, South China University of Technology, Guangzhou 510641, China)

  • Bo Zhang

    (School of Electric Power Engineering, South China University of Technology, Guangzhou 510641, China)

Abstract

The output power and transmission efficiency of the traditional single-wire electric-field coupling power transmission (ECPT) system will drop sharply with the increase of the distance between transmitter and receiver, thus, in order to solve the above problem, in this paper, a new nonlinear parity-time (PT)-symmetric model for single-wire ECPT system based on coupled-mode theory (CMT) is proposed. The proposed model for single-wire ECPT system not only achieves constant output power but also obtains a high constant transmission efficiency against variable distance, and the steady-state characteristics of the single-wire ECPT system are analyzed. Based on the theoretical analysis and circuit simulation, it shows that the transmission efficiency with constant output power remains 60% over a transmission distance of approximately 34 m without the need for any tuning. Furthermore, the application of a nonlinear PT-symmetric circuit based on CMT enables robust electric power transfer to moving devices or vehicles.

Suggested Citation

  • Xujian Shu & Bo Zhang, 2018. "Single-Wire Electric-Field Coupling Power Transmission Using Nonlinear Parity-Time-Symmetric Model with Coupled-Mode Theory," Energies, MDPI, vol. 11(3), pages 1-10, March.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:3:p:532-:d:134122
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    Citations

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    Cited by:

    1. Changsheng Li & Wenjie Dong & Libo Ding & He Zhang & Hang Sun, 2020. "Transfer Characteristics of the Nonlinear Parity-Time-Symmetric Wireless Power Transfer System at Detuning," Energies, MDPI, vol. 13(19), pages 1-15, October.
    2. Vadim Bolshev & Leonid Yuferev & Alexander Vinogradov & Alexey Bukreev, 2023. "Single-Wire Transmission Methods: Justification of a Single-Wire Resonant Power Transmission System," Energies, MDPI, vol. 16(13), pages 1-20, June.
    3. Yang Li & Xueliang Wang & Taocheng Hu & Yujie Zhai & Wenxin Huang & Rui Xu, 2022. "Design and Optimization of One-Way Single-Wire Power Transfer Structure," Energies, MDPI, vol. 15(18), pages 1-12, September.
    4. Chengxin Luo & Dongyuan Qiu & Manhao Lin & Bo Zhang, 2020. "Circuit Model and Analysis of Multi-Load Wireless Power Transfer System Based on Parity-Time Symmetry," Energies, MDPI, vol. 13(12), pages 1-18, June.
    5. Yang Li & Rui Wang & Yu-Jie Zhai & Yao Li & Xin Ni & Jingnan Ma & Jiaming Liu, 2020. "A Novel Single-Wire Power Transfer Method for Wireless Sensor Networks," Energies, MDPI, vol. 13(19), pages 1-15, October.

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