 Minimum Inductance Needed for an Inductor Based Marx Generator
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Robert Francis
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Wed Sept 21 2022, 11:41PM
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Registered Member #2355
Joined: Thu Sept 10 2009, 09:12PM
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Posts: 71
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Because so many inductors out there are not made for high voltages I decided to roll my own with FEP based 10kV wire. To keep the size down I used a ferrite core based bobbin.
I think the one I ordered was too small as fully wound it came out to about 300uH.
Is 300uH too low an inductance to work in an inductor based marx generator?
I have seen estimates go as low as 400uH.
On the high end I have seen 1000uH used.
The wire is very expensive which is why I am asking you guys instead of just making a prototype 3 stage marx generator with the fep wire.
I ordered the largest bobbin mouser had in stock and was going to test it with the fep wire and measure its inductance but I figured I would ask you guys before committing to using the larger bobbin. Obviously if I can get away with the bobbin I used it would reduce the amount of fep wire needed per inductor which would save me money.
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