RE: PTs

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

Original poster: "Loudner, Godfrey by way of Terry Fritz <twftesla-at-uswest-dot-net>" <gloudner-at-SINTE.EDU>

Hi Christopher

David is correct. Somehow I missed reading the last part of your message.
Your PT is dead. 

Godfrey Loudner

> -----Original Message-----
> From:	Tesla list [SMTP:tesla-at-pupman-dot-com]
> Sent:	Saturday, April 14, 2001 12:04 PM
> To:	tesla-at-pupman-dot-com
> Subject:	Re: PTs
> 
> Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>"
> <Tesla729-at-cs-dot-com>
> 
> In a message dated 4/14/01 12:46:09 AM Central Daylight Time, 
> tesla-at-pupman-dot-com writes: 
> 
> 
> >
> > In the past I have connected an MOT directly to the wall as long as I
> didn't 
> > draw an arc, nothing happened. Pull an arc, couple seconds later, tip
> the 
> > breaker. Tried connecting the big PT straight to mains and 2 seconds
> after 
> > plugging it in, BEFORE I drew an arc, it tripped the breaker. 
> >
> > POO! 
> >
> > Why? 
> >
> > help, I'm confused (as usual) 
> >
> > Christopher A. Boden Geek#1 
> 
> 
> 
> Hi Chris, 
> 
> Unfortunately, it sounds to me like your big PT has an internal 
> short in the HV secondary winding. It certainly shouldn't be 
> tripping your mains breaker with no load on the output, unless 
> there's an internal short. And unfortunately, a butyl covered PT 
> is virtually impossible to tear into to repair ;-( 
> 
> David Rieben
>