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A Novel Single-Wire Power Transfer Method for Wireless Sensor Networks

Author

Listed:
  • Yang Li

    (Tianjin Key Laboratory of Advanced Electrical Engineering and Energy Technology, Tiangong University, Tianjin 300387, China)

  • Rui Wang

    (Tianjin Key Laboratory of Advanced Electrical Engineering and Energy Technology, Tiangong University, Tianjin 300387, China)

  • Yu-Jie Zhai

    (Tianjin Key Laboratory of Advanced Electrical Engineering and Energy Technology, Tiangong University, Tianjin 300387, China)

  • Yao Li

    (Tianjin Key Laboratory of Advanced Electrical Engineering and Energy Technology, Tiangong University, Tianjin 300387, China)

  • Xin Ni

    (Tianjin Key Laboratory of Advanced Electrical Engineering and Energy Technology, Tiangong University, Tianjin 300387, China)

  • Jingnan Ma

    (Tianjin Key Laboratory of Advanced Electrical Engineering and Energy Technology, Tiangong University, Tianjin 300387, China)

  • Jiaming Liu

    (Tianjin Key Laboratory of Advanced Electrical Engineering and Energy Technology, Tiangong University, Tianjin 300387, China)

Abstract

Wireless sensor networks (WSNs) have broad application prospects due to having the characteristics of low power, low cost, wide distribution and self-organization. At present, most the WSNs are battery powered, but batteries must be changed frequently in this method. If the changes are not on time, the energy of sensors will be insufficient, leading to node faults or even networks interruptions. In order to solve the problem of poor power supply reliability in WSNs, a novel power supply method, the single-wire power transfer method, is utilized in this paper. This method uses only one wire to connect source and load. According to the characteristics of WSNs, a single-wire power transfer system for WSNs was designed. The characteristics of directivity and multi-loads were analyzed by simulations and experiments to verify the feasibility of this method. The results show that the total efficiency of the multi-load system can reach more than 70% and there is no directivity. Additionally, the efficiencies are higher than wireless power transfer (WPT) systems under the same conductions. The single-wire power transfer method could satisfy the characteristics of WSNs and effectively solve the problem of poor power supply reliability.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:19:p:5182-:d:423900
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    References listed on IDEAS

    as
    1. 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.
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    Cited by:

    1. 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.

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