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Extremely strong magnetic field in overdriven fluorescent ballast

Extremely strong magnetic field in overdriven fluorescent ballast


I took my vintage soviet ballast with extra auxiliary resonance winding and I rewired it in such a way with the live line capacitor instead put in in place of starter. I was trying to create a semi-resonant circuit, and it kinda worked. The tubes lit up like on IS ballast every time the switch was pressed, but I had to run a ground wire along the glass tube, because without it it wouldn't start unless I touched it. But the ballast didn't like that at all. It buzzed really loudly tho the camera did not pick that up. I took a magnet to see how strong are magnetic fields and they were enormously strong! Just look at it! The magnet is oscillating so fiercely I can barely get a hold of it. The normal preheat ballast would make the magnet oscillate very lightly, but this ballast made the magnet go haywire!

IMG_20191106_231909.jpg IMG_20191106_213108.jpg youtube_Q4Q5GMivHAM.jpg IMG_20191008_234249.jpg

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Album name:vytautas_lamps / Random home-made projects
Keywords:Gear
File Size:8526 Bytes
Date added:Oct 15, 2019
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HPS_250
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Westinghouse Lifeguard H38JA-100-DX BT-25!


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Dec 01, 2019 at 11:14 AM Author: HPS_250
Wow that’s a crazy strong magnetic field!

I like all kinds of lighting and electrical, especially HIDs and street lights!
-  neon sign collector
- vintage and rare lamp collector
Power company: SCE (Southern California Edison) 120V, 60HZ
Westinghouse Lifeguard will always be my favorite lamp
Gotta love vintage HIDs!
Stop LEDISEASE!

vytautas_lamps
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My idol is Mylene Farmer, deal with it.


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Dec 01, 2019 at 01:05 PM Author: vytautas_lamps

Wow that’s a crazy strong magnetic field!

I know right! The starter started oscillating about 15 cm away from the ballast! That is CRAZY! Normally, the magnet starts oscillating about 2 or 3 cm away I guess the 400 volt capacitor was way too strong for this tiny ballast to act as a semi-resonant start ballast

New lighting technologies is a pity fest everywhere you look. From LEDs that last only for two months, to a never-ending global starvation of t8 fluorescent tubes.
We shall reinforce ourselves with good old full mercury t12s and HIDs made to surpass one's life, and give them all the middle finger ;

HPS_250
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Westinghouse Lifeguard H38JA-100-DX BT-25!


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Dec 01, 2019 at 01:41 PM Author: HPS_250
Really overdriven!

I like all kinds of lighting and electrical, especially HIDs and street lights!
-  neon sign collector
- vintage and rare lamp collector
Power company: SCE (Southern California Edison) 120V, 60HZ
Westinghouse Lifeguard will always be my favorite lamp
Gotta love vintage HIDs!
Stop LEDISEASE!

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