Monday 29 April 2013

How do xenon hid headlights work?




Xenon HID Lighting is the latest device in lighting. The whole idea behind Xenon High Intensity Discharged or HID lighting is to give you daylight at night, so that you don’t have trouble adjusting your vision as the sun goes down. A standard Xenon HID conversion kit provides you with Xenon bulbs, HID ballast, wiring and a standard installation manual. 



Xenon lighting is the next best thing to natural light. We find the use of Xenon lighting in objects like street lights, billboards, car head lights, lights on pedestrian walks and many other devices which help us see in the dark. The reason behind the usage of Xenon HID lighting in objects like street lights is because HID lighting provides for more light and the visibility thus increases. In halogen lighting, even the most ordinary of objects like a bench or a fence usually gets side-lined in the shadow, but not under Xenon HID lighting. You can see the fence in the back and the bench ready to be sat on very clearly in Xenon HID Lighting. That is why the latest car models have pre installed Xenon HID lights which enable the driver to see clearly especially on unlit or poorly lit roads.


Xenon HID lighting is not dependent upon a filament. In its place, the noble gas Xenon is filled inside the glass bulb. The HID bulb consists of two electrodes which are made from the metal tungsten and then an intense electric voltage charge is passed thereby creating an arc between the two electrodes. This arc ignites the gas Xenon which causes light to be emitted from the bulb. And unlike halogen lights where the filament glows against glass and produces light, in Xenon HID light bulbs, where the high voltage current used xenon gas emanates a light which can be compared to sun light. Further the lighting from Xenon HID consumes a little over 30 watts and gives you light 3 times more than any other man-made lighting.
What a xenon lamp requires is a starter to ignite and electronic ballast for it to function properly.

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