Re: X-ray trans circuitry question

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: Jim Lux <jimlux-at-earthlink-dot-net> 


Most Xray sources will also have a highly insulated transformer of some 
sort (or combined with the main power transformer) to supply filament power 
to the tube.

At 03:57 PM 3/3/2004 -0700, you wrote:
>Original poster: "Ben Ziegler" <crossguy-at-hotmail-dot-com>
>Last weekend's trip to the junkyard yielded the following large piece of iron:
>http://seras.math.uiuc.edu/~cjschult/tmp/tmp.html
>
>  It's rated output is 60kv, 3.5kVA.  I hope to use it as a Marx bank 
> power source.  I've never dealt with one of these beasts before.  As far 
> as I can tell, the hv tranny is supplied with conditioned 220V from the 
> gold transformer (at the leads in the foreground of the center 
> picture).  The outer winding on the large core is connected via heavily 
> insulated leads to the resistor network.  Five additional inputs enter 
> the picture here, two attached to the resistors, three go into one 
> winding on the smaller core.
>  The resistor bank is attached to a hv capacitor and the short winding on 
> the small core.  The short winding has two outputs hanging loose, which I 
> assume are the final hv output.  I'm also assuming the resistors, 
> capacitor, the second core and windings are current limiting circuitry.
>  I ask for help understanding the circuitry in the transformer.  The 
> resistor bank, for example, has some  'mystery' devices on it that I've 
> never seen the counterpart to: a yellow plastic 'black box' with two 
> leads, a couple of sealed glass tubes that resemble blown fuses or spark gaps?
>I will post a crude schematic once I figure some more out.
>
>thanks,
>Ben Ziegler
>--
>btw, the x-ray tube has been rendered inoperable post-photo.