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Re: Inside A Plasma Cutter (Must See Pictures for SSTCers!)
Original poster: "Jim Mitchell" <Electrontube-at-sbcglobal-dot-net>
Well, It draws 30A at 240V. So Do the math and you see that its drawing
7.2kW max (I'm not sure if this is constant).
Yes those two links are incorrect, Thanks for pointing that out.
I believe those diodes aren't rectification, as the manual states "The
output of this device is high voltage/high frequency...) And the +
electrode goes right to the output transformer.
Regards - Jim Mitchell
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
Sent: Sunday, June 06, 2004 1:08 PM
Subject: Re: Inside A Plasma Cutter (Must See Pictures for SSTCers!)
> Original poster: Matthew Smith <matt-at-kbc-dot-net.au>
> Jim Mitchell wrote:
> >Today I opened up my Speedway 30A plasma cutter to see what sort of
> >topology it used to work.
> Interesting! What sort of power/output voltage does this thing produce?
> Are those diodes rectifying the HV, or just part of a really meaty
> For those who haven't worked it out, these two links should have a /
> between the plsmc and the digit.
> Looks so simple - probably find SSTC design on this list has overtaken
> commercial stuff like this!
> Matthew Smith
> Kadina Business Consultancy
> South Australia