Journal of Light & Visual Environment
Online ISSN : 1349-8398
Print ISSN : 0387-8805
ISSN-L : 0387-8805
Papers
Starting Time-Lag Estimation of Electronic Compact Fluorescent Lamps
Takeo YASUDAHidenori ITOU
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1999 年 23 巻 2 号 p. 2_16-2_22

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Measurements of the statistical starting time-lag Ts(s) of non-preheated electronic compact fluorescent lamps show that Ts increases with longer off-time before starting and also with a darker environment on starting. The initial electrons per second Q(1/s), which is inversely proportional to Ts, changes from 1.2 to 72 in the dark environment on starting. Initial electrons are obtained mainly from the oxide emitter of the electrodes, even if they are not pre-heated. A brief start requires a Q greater than 260. This is achieved by heating an electrode to only about 100°C.
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© 1999 The Illuminating Engineering Institute of Japan
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