Re: DC Supply for Mark

To: tesla-at-pupman-dot-com
Subject: Re: DC Supply for Mark
From: Greg Leyh <lod-at-pacbell-dot-net> (by way of Terry Fritz <terryf-at-verinet-dot-com>)
Date: Sat, 26 Sep 1998 19:49:11 -0600
Approved: terryf-at-verinet-dot-com

> Original Poster: Mark Finnis <mefinnis-at-medicine.adelaide.edu.au>

> OK, so lets look at the likely options:
> 
> 1.   Use 3-phase for DC with 6 HV legs (or as GL put it '12 cylinder
supply')
> 
>         3 NST's 15 kV at 60 mA  =   10.5 kV -at- 360 mA
> 
>         What size primary cap could I go to & still charge up to 400 bps ?
> 
>         What sort of gap setting / Vgap would this suppport ?
> 
>         As E = 0.5 C.V^2, we get more bang from higher V,
>                 will 10kVDC be sufficient ?
> 
> 2.   Stick with 1-phase AC and resonant charging, just double power supply
> (cost of rectification = 1 more NST approx)
> 
>         4 NST's 15 kV at 60 mA
> 
>         Primary cap = 0.05 uF for resonant mode
> 
>         Current gap setting is 0.6mm (0.25") total.
> 

Go with #2.  You'll get more fun in less time.  Go with the DC option
later when you feel you really need 3PH power.
-- 


-GL
www.lod-dot-org