IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
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A novel discrete dimmable electronic ballast
Chun-Lin YehTing-Wei HouChien-Ming Chao
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2010 Volume 7 Issue 6 Pages 403-409

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Abstract

A novel discrete dimmable electronic ballast for a fluorescent lamp without changing the original power wiring system is developed. We propose a new method that detects the number of times the power-switch is pressed to make the electronic ballast generate the corresponding power rating. A dimming module realizes the proposed method and makes the DC-AC inverter in a round-robin manner to output the respective power rating. A prototype of the discrete dimmable electronic ballast for a T5 fluorescent lamp of 28W under 110VAC/60Hz, for generating a four-state power rating is developed to demonstrate the feasibility of this approach.

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© 2010 by The Institute of Electronics, Information and Communication Engineers
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