Dimming control and characteristics of high-frequency operated metal halide lamps

Dimming control and characteristics of high-frequency operated metal-halide (MH) lamps are described. Lamp performance based on two ballast topologies is compared. The dimming range and stability control of the MH lamps are addressed. Dimming range from 100% to about 30% has been achieved. It is fou...

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Bibliographic Details
Published in:IEEE transactions on power electronics 2004-05, Vol.19 (3), p.854-861
Main Authors: Xiaohong Cao, Wei Yan, Hui, S.Y., Chung, H.S.-H.
Format: Article
Language:English
Subjects:
Ballast
Dimming
Electric variables control
Electrical engineering
Electronic ballasts
Electronics
Fluorescent lamps
Frequency
High intensity discharge lamps
Lamps
Metal halide lamps
Power supply
Resonance
RLC circuits
Stability
Topology
Voltage control
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Description
Summary:Dimming control and characteristics of high-frequency operated metal-halide (MH) lamps are described. Lamp performance based on two ballast topologies is compared. The dimming range and stability control of the MH lamps are addressed. Dimming range from 100% to about 30% has been achieved. It is found that the combination of ballast topology and dimming method can affect the dimming performance.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2004.826519