The time to reach 80 of full light power is called warm up time.
Hid lamp power supply.
Hid warm up phase 1 1 3 burn phase after the warm up phase when the lamp reaches nominal power the lamp current must be.
In particular the present invention relates to an hid lamp power supply which provides fast warm up for a cold lamp regulation against line voltage fluctuations and a lamp starting circuit which provides extremely fast restart when the lamp is hot and has been turned off momentarily.
We are able to take advantage of the high brightness of the lamp by realizing the industry s first dsp adoption and fully digital power supply technology.
Hid lamps have a warm up time of approximately 2 5 minutes.
A power supply for a high intensity discharge lamp is provided wherein the secondary windings of a pair of lamp strike pulse transformers are connected in series with the hid lamp directly across the ac supply the impedance of these secondary windings acting as the only ballast elements of the power supply.
High intensity discharge lamps hid lamps are a type of electrical gas discharge lamp which produces light by means of an electric arc between tungsten electrodes housed inside a translucent or transparent fused quartz or fused alumina arc tube.
This tube is filled with noble gas and often also contains suitable metal or metal salts.
In figure 7 typical behaviors of lamp voltage and current during warm up is shown.
Your 1 hid led lighting source.
The noble gas enables the arc s initial strike.