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Tulamp ballast diagram

Tulamp ballast diagram

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This one was taken from the label on my Magnetek. For anyone who wants to know how to wire a tulamp ballast, this is for you.

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Filename:2LPHBDiagram.JPG
Album name:DaveMan / Labels
Keywords:Miscellaneous
File Size:118 KB
Date added:Jul 12, 2009
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Date Time:2009:07:12 02:22:38
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Medved
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Jul 12, 2009 at 09:28 AM Author: Medved
Quite strange connection of LAMP-1 starter, do you know, what is inside the ballast and how it is connected?

No more selfballasted c***

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Jul 12, 2009 at 12:29 PM Author: J-Frog
This is how my GE Tulamp also wires up.

Jeremiah The Bullfrog

don93s
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Jul 12, 2009 at 04:37 PM Author: don93s
@Medved...these ballasts have an internal choke in series with the external starter to cancel out the capacitor to increase preheat current on the lead side. The lag side doesn't need this because the short circuit current is higher (with only coil, no cap) whereas the lead side is constant wattage and short circuit (preheat) current is much lower with the cap.
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Jul 12, 2009 at 05:23 PM Author: J-Frog
It's the built in start compensator.

Jeremiah The Bullfrog

Medved
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Jul 13, 2009 at 01:52 PM Author: Medved
Thanks Don...
I live in Europe, where virtually all magnetic ballasts are series reactor (or choke alone or in series with specified capacitor for lead branch, if present) preheaters, always assembled from simple components (choke, capacitor, starter, all separated...), so easy to redraw the schematic and understand, how it work.
But nearly all of 120V magnetic ballasts are drawn as "black box" with "connect lamp here and mains there" info only, so it tell really nothing about how does it work. Might be except of three terminal HX autotransformers for NPF preheaters, where it is easy to deduce what is inside. So my knowledge on 120V magnetic fluorescent ballasts is limited...
Electronic are not as big issue, as they are virtually all identical, differing only in the way, how the internal DC bus is generated (voltage doubler for 120V vs diode bridge for 230V, later designs use bridge with voltage boosting PFC as an universal topology).

No more selfballasted c***

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