A comparison of piezoelectric transformer AC/DC converters with current doubler and voltage doubler rectifiers

The objective of this study was to develop recommendations for an optimal design of piezoelectric transformer (PT) AC/DC converters. The paper presents a comprehensive comparison of the two commonly used rectifier topologies in a PT based power converters: current doubler and voltage doubler rectifi...

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Bibliographic Details
Published in:IEEE transactions on power electronics 2004-11, Vol.19 (6), p.1446-1453
Main Authors: Ivensky, G., Bronstein, S., Ben-Yaakov, S.
Format: Article
Language:English
Subjects:
Alternating current
Analytical models
Applied sciences
Capacitors
Converters
Current doubler
DC-DC power converters
Diodes
Direct current
Electrical engineering. Electrical power engineering
Electromagnetism
Equations
Equivalent circuits
Exact sciences and technology
Low voltage
Mathematical analysis
piezoelectric transformer (PT) ac/dc converters
Piezoelectricity
Power electronics, power supplies
Rectifiers
Research methodology
Resonant frequency
Topology
Transformers
voltage doubler rectifiers
Voltage doublers
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Summary:The objective of this study was to develop recommendations for an optimal design of piezoelectric transformer (PT) AC/DC converters. The paper presents a comprehensive comparison of the two commonly used rectifier topologies in a PT based power converters: current doubler and voltage doubler rectifiers. The advantages and disadvantages of the two rectifiers were investigated and the range of their applications with respect to output current, voltage, power capability, load resistance etc.-was delineated. Generic parameters are proposed and used to derive normalized and closed form equations that can help choosing a PT for a given set of requirements. Simulation and experimental results were found to be in a good agreement with the derivation of the theoretical analysis.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2004.836646