Department of Electrical Engineering Journal
Design and development of digital dimming electronic ballast
Design and Implementation of
The Digital Dimming Electronic Ballast
Advisor: He Jinman
Graduate Student: Wang Ming Shan
China 2002 CHUN YUAN CHRISTIAN UNIVERSITY
Abstract
This thesis aims to present the design and practice of a digital electronic ballast for fluorescent lamps. It introduces the characteristics of lamp, DC/DC converter, power factor correction circuit IC 6561, and resonant circuit IC 6574, The electronic ballast is developed by using IC 6561and IC 6574, and other circuits to meet the need for high power factor, long lamp life, high luminous efficiency, and dimming control.
Also the circuit operation principle, analysis of carefully designed circuit parameters, practical consideration of self-excitation, and dimming control are explained in detail .The test of real design is carried out at last, and the result shows the proposed digital electronic ballast can fulfill the design purposes.
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