DocumentCode
812419
Title
Low-cost electronic ballast to supply MH lamps based on flyback converter
Author
Costa, M. A Dalla ; Alonso, J.M. ; García, J. ; Cardesín, J.
Author_Institution
Univ. de Oviedo, Gijon, Spain
Volume
41
Issue
10
fYear
2005
fDate
5/12/2005 12:00:00 AM
Firstpage
615
Lastpage
616
Abstract
A novel electronic ballast to supply metal-halide lamps is presented. The circuit is based on a flyback converter operating in discontinuous-conduction-mode. To avoid acoustic resonances, the lamp is supplied by a low-frequency square-waveform current, using a half-bridge as inverter. A design example and experimental results are presented in order to validate the proposed topology.
Keywords
invertors; lamp accessories; metal vapour lamps; power supply circuits; MH lamps supply; acoustic resonances; discontinuous-conduction-mode operation; flyback converter; half-bridge supply; low-cost electronic ballast; metal-halide lamps; square-waveform current;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:20050255
Filename
1432551
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