Analysis and modeling of a piezoelectric transformer in high output voltage applications

Author

Ivensky, Gregory ; Shvartsas, Moshe ; Ben-yaakov, Sam

Author_Institution

Dept. of Electr. & Comput. Eng., Ben-Gurion Univ. of the Negev, Beer-Sheva, Israel

Volume

2

fYear

2000

fDate

6/22/1905 12:00:00 AM

Firstpage

1081

Abstract

Piezoelectric transformers (PZT) can be used advantageously in high output voltage DC-DC converters. In such applications, the output section includes a voltage doubling rectification scheme to help increase the output voltage. This topology was modeled and analyzed by considering the expected voltage and current waveforms under first harmonics approximation. The results were then used to build a linear AC equivalent circuit that emulates the AC-DC stage. The proposed model was verified against experimental results

Keywords

AC-DC power convertors; DC-DC power convertors; equivalent circuits; piezoelectric devices; power transformers; rectifying circuits; AC-DC stage emulation; DC-DC power converters; current waveforms; first harmonics approximation; high output voltage applications; linear AC equivalent circuit; output voltage improvement; piezoelectric transformer; topology modelling; voltage doubling rectification scheme; voltage waveforms; Application software; Capacitors; Circuit topology; Costs; DC-DC power converters; Equivalent circuits; Filters; Laboratories; Power electronics; SPICE;

fLanguage

English

Publisher

ieee

Conference_Titel

Applied Power Electronics Conference and Exposition, 2000. APEC 2000. Fifteenth Annual IEEE

Conference_Location

New Orleans, LA

Print_ISBN

0-7803-5864-3

Type

conf

DOI

10.1109/APEC.2000.822822

Filename

822822