Ash
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The American semi-parallel ignitors are of different topology than the European semi-parallel ignitors. What do you mean here ? |
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dor123
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Other loves are printers/scanners/copiers, A/Cs
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| The American semi-parallel ignitors aren't the same as our semi-parallel ignitors. They have different glow discharge on HPS and MH lamps during hot restrike.
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I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.
I only working with the international date format (dd.mm.yyyy).
I lives in Israel, which is a 220-240V, 50hz country.
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Ash
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| Many possible reasons for that other than the ignitor topology. As matter of fact the topology is provided in the datasheets of SIDACs used in those ignitors (they are made by Littelfuse)
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xelareverse
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| I can't imagine it's very good for the ignitor. When I used to work on streetlights (mostly being Cooper and Holophane ballasts), nearly every single fixture that I found with a bad igniter had a visibly smoked HPS lamp in it, indicating repeated cycling till the arc tube leaked. It never really seemed to harm the ballasts. I don't know that running it for a few hours would hurt it too bad, as these examples were months on end.
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WorldwideHIDCollectorUSA
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HID, LPS, and preheat fluorescents forever!!!!!!
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@RRK, as far as I know, I am aware of superimposed ignitors for the low wattage low voltage North American high pressure sodium lamps. Examples include the Payne Sparkman ULI-050S ignitor and a few other ignitors I have mostly seen being sold in some South American countries. See here: https://www.lighting-gallery.net/gallery/displayimage.php?album=search&cat=0&pos=0&pid=237036
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Desire to collect various light bulbs (especially HID), control gear, and fixtures from around the world.
DISCLAIMER: THE EXPERIMENTS THAT I CONDUCT INVOLVING UNUSUAL LAMP/BALLAST COMBINATIONS SHOULD NOT BE ATTEMPTED UNLESS YOU HAVE THE PROPER KNOWLEDGE. I AM NOT RESPONSIBLE FOR ANY INJURIES.
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stillaintjeff24
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WorldwideHIDCollectorUSA
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HID, LPS, and preheat fluorescents forever!!!!!!
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| In the post I mentioned, the wattage ranges should be found in the description.
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Desire to collect various light bulbs (especially HID), control gear, and fixtures from around the world.
DISCLAIMER: THE EXPERIMENTS THAT I CONDUCT INVOLVING UNUSUAL LAMP/BALLAST COMBINATIONS SHOULD NOT BE ATTEMPTED UNLESS YOU HAVE THE PROPER KNOWLEDGE. I AM NOT RESPONSIBLE FOR ANY INJURIES.
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RRK
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@RRK, as far as I know, I am aware of superimposed ignitors for the low wattage low voltage North American high pressure sodium lamps. Examples include the Payne Sparkman ULI-050S ignitor and a few other ignitors I have mostly seen being sold in some South American countries.
See here:
https://www.lighting-gallery.net/gallery/displayimage.php?album=search&cat=0&pos=0&pid=237036
I said "not practical", not "not possible"  Low voltage HPS have short arc lengths and until not deliberately made with high xenon pressure, require low ignition voltage with low energy. Easily satisfied just with a tapped ballast choke. Not much need to wind an extra transformer. And there is not much reason to remote ballast such a low wattage lamp.... |
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« Last Edit: November 30, 2025, 08:39:39 PM by RRK »
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Ash
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| That would come down to luminaire designs. Britain and Israel had many small lanterns with only remote gear option, but those ultimately used 70W SON I lamps (or more commonly Mercury)
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