A novel method of using second-order lamp model to design dimmable fluorescent lamps electronic ballast

C. A. Cheng, Tsorng-Juu Liang, C. M. Chuang, Jiann-Fuh Chen

Research output: Contribution to conferencePaperpeer-review

4 Citations (Scopus)

Abstract

A novel method for designing half-bridge series-parallel resonant inverters suitable for driving various fluorescent lamps with dimming feature is introduced. The analysis of proposed method is specially concerned with the second-order high frequency equivalent model of fluorescent lamps. To ensure zero-voltage-switching, the L6569-driven power stages is set of operate above the resonant frequency. A design example are presented for a 40W fluorescent lamp operating at a 30kHz switching frequency and 110V-rms utility line voltage. Quasi-sinusoidal waveforms are obtained and the crest factor of lamp current is smaller than 1.7, resulting in longer lamp life. Lamps of various powers and brands are tested. All show good performance, verifying the functionality of the proposed procedure.

Original languageEnglish
Pages1033-1037
Number of pages5
Publication statusPublished - 2001 Dec 1
Event27th Annual Conference of the IEEE Industrial Electronics Society IECON'2001 - Denver, CO, United States
Duration: 2001 Nov 292001 Dec 2

Other

Other27th Annual Conference of the IEEE Industrial Electronics Society IECON'2001
CountryUnited States
CityDenver, CO
Period01-11-2901-12-02

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Electrical and Electronic Engineering

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