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Re: PFC Question

To: tesla@xxxxxxxxxx
Subject: Re: PFC Question
From: "Tesla list" <tesla@xxxxxxxxxx>
Date: Fri, 04 Nov 2005 11:52:54 -0700
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Resent-date: Fri, 4 Nov 2005 11:54:33 -0700 (MST)
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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

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