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Author Topic: HID v Halogen  (Read 1033 times)

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mrjimbo

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HID v Halogen
« on: 17 August 2010, 16:02:11 »
Which would draw most current a HID bulb or a normal Halogen bulb ?

Just curious, something i've often wondered  ;D
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Andy B

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Re: HID v Halogen
« Reply #1 on: 17 August 2010, 16:05:23 »
Quote
Which would draw most current a HID bulb or a normal Halogen bulb ?

Just curious, something i've often wondered  ;D


IIRC HID's are 35W and your halogen tunsten type are 55W
V=IR if you want the current.  :y ;)
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RobG

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Re: HID v Halogen
« Reply #2 on: 17 August 2010, 16:07:09 »
Higher for initial power up then less when "up and running"
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I_want_an_Omega

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Re: HID v Halogen
« Reply #3 on: 17 August 2010, 20:57:17 »
HIDs have a power supply which fire up (which is why they "flash" when powered up) at a couple of thousand volts and then back-off to run at a hundred volts or so. The power supply is the metal box screwed to the headlight and have an "HT" cable to the bulb.

The technology is the same principle ss a flourescent light - and also the backlight on a LCD tv.

The inrush current when HIDs fire up is very high - at about 20amps, this reduces down to about 3amps when they stabilise which takes a few minutes.

 :y
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pedroMV6

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Re: HID v Halogen
« Reply #4 on: 17 August 2010, 21:03:06 »
Quote
HIDs have a power supply which fire up (which is why they "flash" when powered up) at a couple of thousand volts and then back-off to run at a hundred volts or so. The power supply is the metal box screwed to the headlight and have an "HT" cable to the bulb.

The technology is the same principle ss a flourescent light - and also the backlight on a LCD tv.

The inrush current when HIDs fire up is very high - at about 20amps, this reduces down to about 3amps when they stabilise which takes a few minutes.

 :y

Just a couple of ordinary wires inside......... ;)
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I_want_an_Omega

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Re: HID v Halogen
« Reply #5 on: 17 August 2010, 22:32:14 »
Quote
Quote
HIDs have a power supply which fire up (which is why they "flash" when powered up) at a couple of thousand volts and then back-off to run at a hundred volts or so. The power supply is the metal box screwed to the headlight and have an "HT" cable to the bulb.

The technology is the same principle ss a flourescent light - and also the backlight on a LCD tv.

The inrush current when HIDs fire up is very high - at about 20amps, this reduces down to about 3amps when they stabilise which takes a few minutes.

 :y

Just a couple of ordinary wires inside......... ;)

Yes, with lots of insulation around them.
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