Re: Cockroft Walton Voltage Multiplier (fwd)

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Original poster: <sroys@xxxxxxxxxxxxxxxxx>



---------- Forwarded message ----------
Date: Tue, 27 Sep 2005 02:25:37 +0800
From: Peter Terren <pterren@xxxxxxxxxxxx>
To: High Voltage list <hvlist@xxxxxxxxxx>
Subject: Re: Cockroft Walton Voltage Multiplier (fwd)

I always use a resistor now on my CW multipliers otherwise you blow diodes 
with the high peak currents. For my dental x-ray transformer and single 
stage multiplier I use 100k which is made up of 67 x 1.8k 2 watt resistors 
and gives 5 inch sparks.
http://tesladownunder.com/Other_HV_stuff.htm

Peter


> ---------- Forwarded message ----------
> Date: Wed, 14 Sep 2005 21:10:40 +0200
> From: Finn Hammer <f-h@xxxx>
> To: High Voltage list <hvlist@xxxxxxxxxx>
> Subject: Cockroft Walton Voltage Multiplier
> I seem to have heard, that if a Cockroft Walton Voltage Multiplier is
> terminated into a large topload, and if this topload is discharged
> instantly, all the diodes will die.
> If this is true,why is that,  and is it possible to add current limiting
> resistors to the design, to avoid blowing the diodes.
>
> Cheers, Finn Hammer