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Energy Harvesting from AC Magnetic Field Using PZT Piezoelectric Cantilever Beams

Author

Listed:
  • Mariusz Kucharek

    (Łukasiewicz Research Network—Tele and Radio Research Institute, Ratuszowa 11 Street, 03-450 Warsaw, Poland)

  • Bogdan Dziadak

    (Electrical Engineering Department, Warsaw University of Technology, Koszykowa 75 Street, 00-661 Warsaw, Poland)

  • Jacek Starzyński

    (Electrical Engineering Department, Warsaw University of Technology, Koszykowa 75 Street, 00-661 Warsaw, Poland)

  • Leszek Książek

    (Łukasiewicz Research Network—Tele and Radio Research Institute, Ratuszowa 11 Street, 03-450 Warsaw, Poland)

Abstract

This article investigates energy harvesting methods designed to capture energy from the alternating magnetic field surrounding a current-carrying conductor. The study focuses on the use of piezoelectric transducers in both monolithic and bimorph configurations. Experimental tests were conducted using vibrating beam structures composed of a single-layer piezoelectric material as well as bimorph piezoelectric composites, both utilizing lead zirconate titanate (PZT) as the active material. The results demonstrate a significant improvement in energy harvesting efficiency when using the bimorph configuration. Specifically, the bimorph-based system generated a peak voltage of 4.26 V and a current of 127.16 μA, resulting in an RMS power output of 272.48 μW. The operating principles, signal conditioning strategies, and structural differences in the evaluated designs are discussed in detail. The outcomes indicate the potential of such systems for powering autonomous sensors in low-power industrial monitoring applications.

Suggested Citation

  • Mariusz Kucharek & Bogdan Dziadak & Jacek Starzyński & Leszek Książek, 2025. "Energy Harvesting from AC Magnetic Field Using PZT Piezoelectric Cantilever Beams," Energies, MDPI, vol. 18(11), pages 1-17, May.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:11:p:2830-:d:1667246
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    References listed on IDEAS

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    1. Maharjan, Pukar & Salauddin, Md & Cho, Hyunok & Park, Jae Yeong, 2018. "An indoor power line based magnetic field energy harvester for self-powered wireless sensors in smart home applications," Applied Energy, Elsevier, vol. 232(C), pages 398-408.
    2. Bogdan Dziadak & Mariusz Kucharek & Jacek Starzyński, 2022. "Powering the WSN Node for Monitoring Rail Car Parameters, Using a Piezoelectric Energy Harvester," Energies, MDPI, vol. 15(5), pages 1-18, February.
    3. Quan Wang & Kyung-Bum Kim & Sang-Bum Woo & Yooseob Song & Tae-Hyun Sung, 2021. "A Magneto-Mechanical Piezoelectric Energy Harvester Designed to Scavenge AC Magnetic Field from Thermal Power Plant with Power-Line Cables," Energies, MDPI, vol. 14(9), pages 1-12, April.
    4. Joshua Then & Ashish P. Agalgaonkar & Farzad Safaei & Kashem M. Muttaqi, 2024. "Design and Analysis of a Linear Electric Generator for Harvesting Vibration Energy," Energies, MDPI, vol. 17(7), pages 1-12, April.
    5. Kuang, Yang & Chew, Zheng Jun & Ruan, Tingwen & Lane, Tim & Allen, Ben & Nayar, Bimal & Zhu, Meiling, 2021. "Magnetic field energy harvesting from the traction return current in rail tracks," Applied Energy, Elsevier, vol. 292(C).
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