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4hv.org :: Forums :: General Science and Electronics
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17,3 kW variac

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Mads Barnkob
Thu May 14 2009, 03:41PM Print
Mads Barnkob Registered Member #1403 Joined: Tue Mar 18 2008, 06:05PM
Location: Denmark, Odense C
Posts: 1968
Here is a teaser of my new variac, it is from a theater and I got it so cheap that it was a pure steal, only 67 euro!

Its 400 / 230 VAC (delta/wye) at 25A 3 phased, its in a real good condition after I cleaned out some dust, its controlled by a 24VDC geared motor with some relay controls for full up/down and manual up/down.

This is just a picture taken with my phone, will bring my dslr to work tomorrow, its currently stored there as I can not have a 100kg variac in my apartment, will be stored at my parents till I build a project large enough for those powerlevels, just couldnt resist buying it at that price :D
1242315703 1403 FT0 Billede033
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Backyard Skunkworks
Thu May 14 2009, 10:48PM
Backyard Skunkworks Registered Member #1262 Joined: Fri Jan 25 2008, 05:22AM
Location: Maryland, USA
Posts: 451
Sweet find! shades

MadsKaizer wrote ...

till I build a project large enough for those powerlevels
Any vague inklings as to the application?
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syntroniks
Fri May 15 2009, 12:03AM
syntroniks Registered Member #1530 Joined: Tue Jun 10 2008, 03:34PM
Location:
Posts: 32
Maybe get a huge 3-phase motor and make some humming with that variac.

OT: Skunk, I'm in MD too, roundabouts Annapolis. Looks like Lockheed is pretty serious about registering the skunkworks name cheesey
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Mads Barnkob
Fri May 15 2009, 02:17PM
Mads Barnkob Registered Member #1403 Joined: Tue Mar 18 2008, 06:05PM
Location: Denmark, Odense C
Posts: 1968
Backyard Skunkworks wrote ...

Sweet find! shades

MadsKaizer wrote ...

till I build a project large enough for those powerlevels
Any vague inklings as to the application?

A CW SSTC in the class of +10kW
Running more coils at the same time on the same supply
also its a good reason for finding some 3 phased high voltage stuff :)

I did not have time to remove the shields this time :/


1242397020 1403 FT69483 Img 2144 1600x1200

1242397020 1403 FT69483 Img 2145 1600x1200

1242397020 1403 FT69483 Img 2146 1600x1200

1242397020 1403 FT69483 Img 2147 1600x1200

1242397020 1403 FT69483 Img 2150 1600x1200
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Dr. H.
Fri May 15 2009, 04:54PM
Dr. H. Registered Member #931 Joined: Mon Jul 30 2007, 05:25PM
Location: Bulgaria
Posts: 486
Sweet beast you have there. Definitely love the wipers:-)

Cheers
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Coronafix
Sat May 16 2009, 01:40AM
Coronafix Registered Member #160 Joined: Mon Feb 13 2006, 02:07AM
Location: Melbourne, Australia
Posts: 938
You could make a massive DC coil and run it off 3phase.
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