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HV lab supply
HV lab supply
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Old 17th February 2010, 11:28 AM   #1
hidnplayr is offline hidnplayr  Belgium
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Join Date: Sep 2008
Location: Flandres
Default HV lab supply

I would like to build a High voltage lab supply (60-600V, 250mA) using mosfets as the series regulator.
A current limitor should also be present (so it doesnt explode if it ever gets shorted).

Designing such a device is one thing, but making it fool-proof is another.
That's why I ask here, does anybody have a schematic of a compareable supply ? (but tested, and approved)
Real tubes have top-caps
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Old 17th February 2010, 12:25 PM   #2
marce is offline marce  United Kingdom
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Location: Blackburn, Lancs
HV lab supply
I would initialy reccomend using an adjustable of the shelf convertor,


If you are going to build your own then you need to look at creepage and clearance for any PCB, exposed metal connectors etc.

Calculating Creepage and Clearance Early Avoids


Creepage and clearance distances
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