RE: Saturating LTR coil! - demonstrated!! - RE: ~Variac question

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Original poster: "Dave Leddon by way of Terry Fritz <twftesla-at-qwest-dot-net>" <leddon-at-attbi-dot-com>

Gary,

On a slightly related issue, does it matter where the PFC caps are located?
 I've run out of real-estate under the coil so I plan to stuff them into
the controller enclosure.  In fact, couldn't they be attached anywhere on
the power leg that feeds the nst?

Dave

At 08:17 AM 2/19/02 -0700, you wrote:
>Original poster: "Lau, Gary by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<Gary.Lau-at-compaq-dot-com>
>
>Hi Ed:
>
>An NST can't tell if it is being power factor corrected or not, as the PFC
>occurs outside of it.  With or without the PFC cap, the NST primary current
>is identical.  It is only when the current through the PFC cap is added
>algebraically, i.e. what comes out of your wall or Variac, that the
>resulting sum is less than an uncorrected NST alone.
>
>Gary Lau
>MA, USA
>
>>Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
><Esondrmn-at-aol-dot-com>
>>
>>Gary,
>>
>>Do pfc corrected nsts have a different value of resonant cap than the same
>>transformer with no pfc caps?
>>
>>Ed Sonderman
>