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Dimming control and characteristics of high-frequency operated metal halide lamps
Xiaohong Cao; Wei Yan; Hui, S.Y.; Chung, H.S.-H.;
Power Electronics, IEEE Transactions on
Volume 19,
Issue 3,
May 2004
Page(s):854
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861
Abstract:
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.
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