Leakage energy recovered narrow pulsed voltage generator associated with ultrasound generator for liquid food sterilization

  • S. Y. Tseng*
  • , Y. D. Chang
  • , P. L. Huang
  • , T. F. Wu
  • , Y. M. Chen
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

6 Scopus citations

Abstract

This paper presents a narrow pulsed voltage generator along with an ultrasound generator for liquid food sterilization. The generator is derived from a bidirectional flyback converter with leakage energy recovery circuits, which can improve efficiency about 12%. In addition, the proposed generator is associated with a half-bridge inverter for generating ultrasound to clean sterilizer electrodes. In this combined generator, the switches in the converter and the inverter are integrated with the synchronous switch technique, reducing its weight, size and volume while improving efficiency significantly. Experimental results obtained from a prototype with the output voltage of ±6 kV∼±20 kV and peak power of 1.2 MW have verified its feasibility.

Original languageEnglish
Title of host publication7th International Conference on Power Electronics and Drive Systems, PEDS 2007
Pages1132-1137
Number of pages6
DOIs
StatePublished - 2007
Event7th International Conference on Power Electronics and Drive Systems, PEDS 2007 - Bangkok, Thailand
Duration: 27 11 200730 11 2007

Publication series

NameProceedings of the International Conference on Power Electronics and Drive Systems

Conference

Conference7th International Conference on Power Electronics and Drive Systems, PEDS 2007
Country/TerritoryThailand
CityBangkok
Period27/11/0730/11/07

Keywords

  • And half-bridge inverter
  • Bidirectional flyback converter
  • Liquid food sterilization
  • Ultrasound generator

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