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High Intensity Dischage(HID) Lamps Ballast Loss? #143795
09/09/05 06:25 AM
09/09/05 06:25 AM
T
Text  Offline OP
Junior Member
Joined: May 2004
Posts: 16
Lipa City, Philippines
How much is the standard ballast loss for High Intensity Discharge(HID) Lamps?

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Re: High Intensity Dischage(HID) Lamps Ballast Loss? #143796
09/10/05 06:09 AM
09/10/05 06:09 AM
K
kiwi  Offline
Member
Joined: Dec 2004
Posts: 354
christchurch new zealand
G'day Text. I think the wattage rating of ballasts include the power loss.

If you want to know the actual power loss of a ballast then the manufacturer should be able to provide that.

I would assume that:

Power loss = ballast wattage - lamp wattage.

Re: High Intensity Dischage(HID) Lamps Ballast Loss? #143797
09/11/05 03:14 AM
09/11/05 03:14 AM
Trumpy  Offline

Member
Joined: Jul 2002
Posts: 8,231
SI,New Zealand
Text,
It really depends upon which type of HID lighting system you are talking about.
As you go up through the HID Index as in:
Sodium> Mercury Vapour>Metal Halide.
The losses get reduced, but it is at the cost of higher strike voltages.
Personally, if you were going for lowest loss as far as ballasts were concerned, look at the new T5 Fluorescent tubes, they use High Frequency Ballasts and they also are taking on High Bay Metal-Halide and Mercury Vapour in terms of Light Quality and Energy Efficiency. [Linked Image]

Re: High Intensity Dischage(HID) Lamps Ballast Loss? [Re: Trumpy] #170120
10/27/07 12:26 AM
10/27/07 12:26 AM
T
Text  Offline OP
Junior Member
Joined: May 2004
Posts: 16
Lipa City, Philippines
is there already available dimmer for HID?

Re: High Intensity Dischage(HID) Lamps Ballast Los [Re: Text] #170194
10/29/07 10:05 AM
10/29/07 10:05 AM
Trumpy  Offline

Member
Joined: Jul 2002
Posts: 8,231
SI,New Zealand
I can't say I've ever heard of someone actually dimming an HID lamp, I'm not even sure if it would be possible.


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