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Re: PFC Question

Original poster: "MIKE HARDY" <MHARDY@xxxxxxxxxx>

Why is it that the majority of big pig coils limit the tank cap to 0.1 ?
What if one used an LTR ?
----- Original Message -----
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Friday, November 04, 2005 12:52 PM
Subject: Re: PFC Question


> Original poster: "Barton B. Anderson" <bartb@xxxxxxxxxxxxxxxx>
>
> Hi All,
>
> Tesla list wrote:
>
> >Original poster: "Gerry  Reynolds" <gerryreynolds@xxxxxxxxxxxxx>
> >
> >Hi Ed,
> >
> >The PFC caps only correct for inductive loads.  If you are running
> >the pig with a STR Cp value, then  PFC caps wont work cause the load
> >presented to the variac will be capacitive (maybe a PFC inductor
> >will help here).
>
> Gerry is correct. Most pig transformers run in STR mode. They don't
> have to, but it is typical to run a 0.1uF or less, and in these pig
> powered coils, a PFC cap will not help. But of course, on NST's and
> even some PT's, a PFC cap will be helpful. Most pig coilers don't use
> PFC caps that I'm aware of.
>
> Take care,
> Bart
>
>
>