A study on the disk-shaped piezoelectric transformer with multiple outputs.

Area of Science:

• Electrical Engineering
• Materials Science
• Physics

Background:

• Piezoelectric transformers (PTs) are crucial for power electronics.
• Developing multi-output PTs is essential for integrated power solutions.
• Optimizing PTs for specific vibration modes enhances efficiency.

Purpose of the Study:

• To present a modified disk-shaped multiple-output piezoelectric transformer.
• To analyze the performance of multi-output PTs using an equivalent circuit.
• To experimentally investigate the characteristics of fabricated dual- and triple-output PTs.

Main Methods:

• Design and fabrication of disk-shaped piezoelectric transformers with multiple outputs using lead zirconate titanate (PZT) ceramics.
• Operation at the fundamental radial vibration mode.
• Derivation of an equivalent circuit for performance analysis.
• Experimental characterization of fabricated devices.

Main Results:

• Successful fabrication of dual- and triple-output piezoelectric transformers.
• Experimental validation of the derived equivalent circuit's accuracy.
• Demonstration of the fundamental radial vibration mode operation.

Conclusions:

• The developed multiple-output piezoelectric transformer shows promise for power supply applications.
• The equivalent circuit provides a valuable tool for analyzing multi-output PT performance.
• Further research can explore advanced configurations and materials for enhanced power delivery.