2.65-MHz self-oscillating complementary electronic ballast with constant-lamp-current control for a metal halide lamp

Ray Lee Lin, Zhi Qiang Wang, Yan Der Lee, Feng Yin Chen

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

This paper presents the design and implementation of the 2.65-MHz self-oscillating complementary electronic ballast with a constant-lamp-current control for a metal halide lamp. In order to avoid the inherent acoustic-resonance problem of metal halide lamps, the ballast's switching-frequency level was selected to be 2.65 MHz, which satisfies higher magnitudes of maximum electromagnetic interference (EMI) limitation at frequencies of between 2.5 to 3.0 MHz, within the EMI/electromagnetic compatibility frequency range "chimney,"for RF lighting systems. With the constant-lamp-current control scheme, the lamp current can be regulated to be less dependent on the input ac voltage. Finally, a 20-W prototype ballast is implemented to demonstrate the ability to avoid the acoustic-resonance and to provide constant levels of lamp current.

Original languageEnglish
Pages (from-to)2097-2105
Number of pages9
JournalIEEE Transactions on Power Electronics
Volume22
Issue number6
DOIs
Publication statusPublished - 2007 Nov 1

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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