Piezoelectric transformers - New Perspective

K. Uchino, B. Koc, P. Laoratanakul, A. Vázquez Carazo

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Piezoelectric transformers have been commercialised for the backlight inverters of laptop computers nowdays. For further high power applications, we developed new PZT based piezoelectric ceramics with the maximum vibration velocity of 0.9 msec. Regarding the design, two new transformers, disk shaped and glass sandwiched types, have advantages over the conventional Rosen type in terms of high voltage step-up ratio and high isolation resistance, respectively. For the application area, we studied on piezoelectric actuator drive system, using piezoelectric transformers, aiming at active vibration control on a helicopter.

Original languageEnglish (US)
Pages (from-to)91-100
Number of pages10
JournalFerroelectrics
Volume263
Issue number1
DOIs
StatePublished - 2001

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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