Stiff 24kv DC Power Supply, Filter Caps

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Original poster: "Jim Mora" <jmora@xxxxxxxxxxx>

Hello All,

I'm trying to plan the final stages of my 3 phase, 6 pulse full wave 
rectified PS @24 KV probably able to output close to 1 amp. I can't 
say for sure as the transformer is not rated in the schematic. This 
brute had (6) 8020 tubes  They run comfortly at 300ma according to 
some tube dealers I emailed. These will be replaced with 6ea per 
vacuum tube at 1.4 amp x 7500 PRV diodes mounted in the tank under 
oil. Fairly simple: imagine 12 stacked diodes pointed in the same 
direction and center taped by one leg of the transformer The top of 
each of the 3 stacks are tied together for positive; likewise the 
bottoms are tied together for negative. Pretty clean as these diodes 
have studs and females on the anode. They simply screw together :-^)

Having said all that, here's my question: I have a 1mf 40kv bank 
(with bleeders) and a 4mf 40kv bank(with bleeders) full bleed time 
will be necessarily one minute because of the power involved. The 
power supply has a 150H (R=800ohms) Filter Choke on the output.

I can't remember, from way back, which side of the choke gets the 
larger value of capacitance. I'm certain that it effects the ripple 
cancellation. I do seem to remember that the cap ratio was 8 to one; 
but, this is already lethal enough, so 4 is good for me. Can anybody 
give me some guidance taking into consideration the gap running 
asynchronously (maybe a misnomer in DC) and the primary cap drain at 
various BPS'???

As Always, Thanks for your help,
Jim Mora