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Re: [TCML] 24Kdc stout DC supply

Hi Jason, et al,


How is such a RSG configured? If I had the freedom to nearly fully charge
it, it would be up to .2uf pulse Cap ringing the bell!.





From: Jason Johnson [mailto:jasonmsusolar@xxxxxxxxx] 
Sent: Monday, June 16, 2014 11:04 AM
To: Jim Mora
Subject: Re: [TCML] 24Kdc stout DC supply




Have you considered building a DPDT style spark gap? In other words have
both charge and discharge electrode sets on your RSG, and just use the
supply to charge a big filter cap.


That has the advantage of completely decoupling the HF junk from the HV


Just a thought.


- Jason


On Fri, Jun 13, 2014 at 10:02 PM, Jim Mora <wavetuner@xxxxxxxxx> wrote:

Hello All,

I am wondering about DC cap charging much higher than Fo. I have a six pulse
Tube Power Supply made by Raytheon. It stated output is 24KVdc. The filter
Choke is a whopping 150H. (6) 8020 3 phase 6 pulse tube supply is
impressive. I have no interest in voltage doubling with this. The Fo would
be 58.1, 41.0, 29.05hz with the .2uf, .1uf, and .05uf cap configurations I
have, respectively. Richie Burnet has the wonderful section on Resonance
charging but does not explore the DC inductor filtered supply in much depth.
If I measure across the 150H horns, I get a 563 ohm DC resistance which seem
pretty high to me. The L/R time constant would then be apparently be to full
energy charge 150H/563 = .266 seconds less the tank capacitor -Xc. Anyone
want to figure what the break rate might be possible in this scenario?

The good news is all the connections come out to the outside world from the
.25" steel tank and I can remove the Inductor completely or parallel it. A
stout 6 pulse supple at 24KVdc sans this choke would probably do fine except
for the shorting of the supply when the breaks occur. Any ideas? Here a
picture of the schematic:

Any musing would be welcomed.
Thanks, Jim Mora
I know this is very old school but interesting and thought provoking

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