Re: Huge x-ray transformer for sale on ebay

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

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

I have an xray supply that runs at about 500Hz (uses SCRs to generate the
500Hz from a 100V DC supply ideally coming from NiCd battery packs).  The
transformer is quite small, given the 10kW output power. It's also low duty
cycle.

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Thursday, February 12, 2004 5:38 PM
Subject: RE: Huge x-ray transformer for sale on ebay


 > Original poster: "Godfrey Loudner" <ggreen-at-gwtc-dot-net>
 >
 > Hello Richard
 >
 > Maybe 50Hz is used to supply a 60kHz high frequency inverter.
 > Then your high tension transformer is rated for 60kHz. Not
 > long ago, I was offered the sale of a 150kv, high frequency
 > x-ray machine (minus x-ray tube). The small size of the
 > transformer was unusual. The current was substantial, but I
 > can't remember the amount. I figured that as soon as I drew
 > an arc from the transformer, the inverter would smoke. With
 > no knowledge of how to limit the current on such an outfit,
 > I rejected the sale. Maybe someone else knows how to limit
 > the current and preserve the inverter on such an outfit.
 >
 > Godfrey Loudner
 >
 >  >50hz
 >
 >  >regards
 >  >richard
 >  >aus.
 >
 >