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4hv.org :: Forums :: High Voltage
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Brand New HV Power Supply on Ebay

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jpsmith123
Fri Aug 08 2008, 12:51AM Print
jpsmith123 Registered Member #1321 Joined: Sat Feb 16 2008, 03:22AM
Location:
Posts: 843
Look at this thing:

Link2
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...
Fri Aug 08 2008, 02:01AM
... Registered Member #56 Joined: Thu Feb 09 2006, 05:02AM
Location: Southern Califorina, USA
Posts: 2445
Just the thing for that particle accelerator you have planned tongue

I wouldn't really trust it for pulling arcs, although I suppose with a decent series resistor it would probably hold up fine...
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Coronafix
Fri Aug 08 2008, 02:36AM
Coronafix Registered Member #160 Joined: Mon Feb 13 2006, 02:07AM
Location: Melbourne, Australia
Posts: 938
It would be good for a lifter, although the current supply it a bit low.
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Dr. SSTC
Fri Aug 08 2008, 03:25AM
Dr. SSTC Registered Member #1407 Joined: Fri Mar 21 2008, 07:09AM
Location:
Posts: 222
Coronafix wrote ...

It would be good for a lifter, although the current supply it a bit low.


50 milliamps would be enough for a very large lifter
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jpsmith123
Fri Aug 08 2008, 04:06AM
jpsmith123 Registered Member #1321 Joined: Sat Feb 16 2008, 03:22AM
Location:
Posts: 843
Well it seems someone got a good deal...it went for $329.00 (with only one bid). If I didn't recently buy a semi-expensive scope, I would have put a bid in on it.
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Herr Zapp
Fri Aug 08 2008, 05:54AM
Herr Zapp Registered Member #480 Joined: Thu Jul 06 2006, 07:08PM
Location: North America
Posts: 644
Doesn't this rack mount enclosure look impossibly small for an 80KV, 50ma power supply?
And, there are no HV connectors at all on the back?
Finally, doesn't it seem odd that a brand new 80KV, 50ma power supply would sell for $329, with only one bidder??

This appears to be only the "front end" control module for the actual HV power supply, which is a separate unit.

Rather useless without the "other half".

Herr Zapp
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Steve Conner
Fri Aug 08 2008, 08:48AM
Steve Conner Registered Member #30 Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
Yes, as far as I know that box is just an IGBT inverter that drives a separate multiplier stack. Link2 I've seen the stack part of one of those on Ebay before, so someone may still get lucky smile
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jpsmith123
Fri Aug 08 2008, 02:47PM
jpsmith123 Registered Member #1321 Joined: Sat Feb 16 2008, 03:22AM
Location:
Posts: 843
I think you're right - that's only the inverter part of it. Although IIRC the same seller did also recently have a 50 kv, 50 ma rack mount unit (although it might have been a different manufacturer) that did have a HV output connector on it.
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