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Related Experiment Videos

High power universal piezoelectric transformer.

Shashank Priya1, Hyeoungwoo Kim, Seyit Ural

  • 1Department of Materials Science and Engineering, University of Texas at Arlington, Arlington, TX 76019, USA. spriya@uta.edu

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
|April 18, 2006
PubMed
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This study presents a novel multilayer piezoelectric transformer capable of both stepping up and down voltage. This efficient device operates across a wide frequency range, offering versatile power conversion solutions.

Area of Science:

  • Electrical Engineering
  • Materials Science
  • Solid State Physics

Context:

  • Piezoelectric materials offer unique electromechanical coupling properties.
  • Traditional transformers face limitations in size, efficiency, and frequency response.
  • Developing compact and efficient voltage conversion devices is crucial for modern electronics.

Purpose:

  • To design and characterize a novel multilayer piezoelectric transformer.
  • To demonstrate its capability for both step-up and step-down voltage conversion.
  • To analyze its performance across a wide frequency range.

Summary:

  • A multilayer piezoelectric transformer with a unique ring/dot electrode pattern utilizing radial mode was fabricated.
  • The device achieves high efficiency (up to 97%) in both step-up and step-down configurations.

Related Experiment Videos

  • Experimental results show excellent agreement with equivalent circuit analysis.

    • Impact:

    • This piezoelectric transformer offers a compact and efficient alternative for voltage and power conversion.
    • Its wide-frequency operation and dual functionality (step-up/step-down) enhance its applicability.
    • Potential applications include miniaturized power supplies and energy harvesting systems.