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Re: Pig Question






>From: "Tesla list" <tesla-at-pupman-dot-com>
>To: tesla-at-pupman-dot-com
>Subject: Re: Pig Question
>Date: Thu, 03 Aug 2000 11:49:26 -0600
>
>Original poster: FutureT-at-aol-dot-com
>
>In a message dated 8/2/00 5:47:29 PM Pacific Daylight Time, 
>tesla-at-pupman-dot-com
>writes:
>
> > > Also when wiring the these transformers in series, do you just connect 
>the
> >  > ground (the case) together and draw the HV off each bushing?
> >
> >  If all you have is single-bushing transformers, that would be the only 
>way
> >  to do it, BUT: then one of the transformers will have its case floating 
>at
> >  7500 VAC!  Are you sure that's what you want?  Even if you isolated the
>case
> >  on an insulating base, the low voltage bushings are not rated for 
>7.5kV,
>and
> >  could well flash over to the 220V terminals.  That would be bad.
>
>Bill,
>
>Dan said he will connect the cases of the transfrormers together and
>take the HV from the two bushings.  The cases will both be at ground
>potential.
>
>Cheers,
>John Freau
>
>
>
thanks for the info, but fortunately they are both two bushing pigs. i think 
i will use only one to power the coil (scheduled for next year sometime) for 
a while until i get the hang of a genuine KVA powered coil.

dan

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