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A SINGLE-STAGE PHASE-SHIFTED FULL-BRIDGE ELECTRONIC BALLAST FOR HIGH-PRESSURE MERCURY LAMPS.
- Source :
- Journal of Circuits, Systems & Computers; Oct2010, Vol. 19 Issue 6, p1245-1258, 14p, 7 Diagrams, 6 Graphs
- Publication Year :
- 2010
-
Abstract
- This paper presents a single-stage high-frequency full-bridge electronic ballast for high-pressure mercury lamps in high-luminance LCD projector systems. The studied electronic ballast is found to have high conversion efficiency due to its single-stage circuit with zero-voltage switching features. A high power factor can be achieved by using developed single-stage topology. The operation principles and design considerations are analyzed and discussed in detail. A laboratory prototype is designed and implemented for driving a 150 W projector lamp. The simulation and experimental waveforms are given to verify the feasibility of the proposed method. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 02181266
- Volume :
- 19
- Issue :
- 6
- Database :
- Complementary Index
- Journal :
- Journal of Circuits, Systems & Computers
- Publication Type :
- Academic Journal
- Accession number :
- 53788571
- Full Text :
- https://doi.org/10.1142/S0218126610006852