Re: Inside A Plasma Cutter (Must See Pictures for SSTCers!)

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Richard Modistach" <hambone-at-dodo-dot-com.au> 

would have been interesting to look at,
pity the pics are so badly out of focus.

regards
richard
aus


----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Monday, June 07, 2004 9:20 AM
Subject: 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>
 > To: <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
 > snubber?
 >  >
 >  >
 >
 ><http://www.hot-streamer-dot-com/electrontube/plsmc7.jpg>www.hot-streamer-dot-com/e
 > lectrontube/plsmc7.jpg
 >  >
 >
 ><http://www.hot-streamer-dot-com/electrontube/plsmc8.jpg>www.hot-streamer-dot-com/e
 > lectrontube/plsmc8.jpg
 >  > >
 >  > 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!
 >  >
 >  > Cheers
 >  >
 >  > M
 >  >
 >  > --
 >  > Matthew Smith
 >  > Kadina Business Consultancy
 >  > South Australia
 >  >
 >  >
 >  >
 >
 >
 >