Interleaving of electrodes in piezoelectric transformers

Author

Sanz, M. ; Alou, P. ; Oliver, J.A. ; Prieto, R. ; Cobos, J.A. ; Uceda, J.

Author_Institution

Div. de Ingenieria Electronica (DIE), Univ. Politecnica de Madrid (UPM), Spain

Volume

2

fYear

2002

fDate

2002

Firstpage

567

Abstract

Piezoelectric transformers (PT) have become interesting for miniaturizing low power AC/DC or DC/DC converters. In this paper, interleaving of primary and secondary electrodes of the PT is analyzed in order to optimize the converter solutions based on PT. One of the problems to achieve a competitive PT converter is the additional magnetic components necessary to drive properly the PT. The main advantage of interleaving structures compared to the conventional one is that it allows reduction or even elimination of these additional elements, which is a step forward to improve converters based on PT.

Keywords

AC-DC power convertors; DC-DC power convertors; electrodes; piezoelectric devices; transformers; electrodes interleaving; low power AC/DC converters; low power DC/DC converters; magnetic components; piezoelectric transformers; primary electrodes; secondary electrodes; Electrodes; Impedance matching; Interleaved codes; Isolation technology; Magnetic analysis; Network topology; Switching converters; Switching frequency; Transformers; Zero voltage switching;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics Specialists Conference, 2002. pesc 02. 2002 IEEE 33rd Annual

Print_ISBN

0-7803-7262-X

Type

conf

DOI

10.1109/PSEC.2002.1022513

Filename

1022513