Stability of cold cathode fluorescent lamps driven by piezoelectric transformers

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

4 Scopus citations

Abstract

The concept of Envelope Impedance (El) was used to develop a systematic and simple approach for studying the conditions for stability of PT-CCFL systems. It was found that the El of PTs includes minimum points at low frequency when the El of the CCFL is negative. This causes the Loop Gain of the system to encircle the -1 point, making the system unstable. The proposed analytical approach could be helpful in sorting out possible remedies for the PT-CCFL instability problems.

Original languageEnglish
Title of host publicationTwenty-First Annual IEEE Applied Power Electronics Conference and Exposition, APEC '06
Pages1517-1522
Number of pages6
StatePublished - 13 Oct 2006
Event21st Annual IEEE Applied Power Electronics Conference and Exposition, APEC '06 - Dallas, TX, United States
Duration: 19 Mar 200623 Mar 2006

Publication series

NameConference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC
Volume2006

Conference

Conference21st Annual IEEE Applied Power Electronics Conference and Exposition, APEC '06
Country/TerritoryUnited States
CityDallas, TX
Period19/03/0623/03/06

Keywords

  • Cold Cathode Flourescent Lamp (CCFL)
  • Envelope impedance
  • Piezoelectric transformer

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