Re: Power Factor Correction

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Dr. Resonance" <resonance@xxxxxxxxxx>


No, we put these chokes in the pri side.  We use a standard Terry 
filter on the sec side.  Just an extra step of prevention to prevent 
any possible damage to the variac brushes.

Dr. Resonance



> I think DC meant to place the "RF hash chokes" in series with each 
> leg of the NST SECONDARY, between the xfrmr and "Terry 
> filter."  However, if he did actually mean to place them across the 
> NST primary, that would certainly eliminate any RF hash.  There 
> simply would be none, thus protecting the NST and PFC caps from damage.
>
> Karl
>
> On May 19, 2006, at 11:09 PM, Tesla list wrote:
>
> > Original poster: "Scott Hanson" <huil888@xxxxxxxxxxxx>
> >
> > DC -
> >
> > I'm sure you intended to say that you place your "RF hash chokes" 
> > in SERIES with each leg of the NST primary, and not "across" the 
> > NST primary (which would be a dead short across the primary).
> >
> > Regards,
> > Scott Hanson
> > ----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx>
> > To: <tesla@xxxxxxxxxx>
> > Sent: Friday, May 19, 2006 2:28 PM
> > Subject: Re: Power Factor Correction
> >
> >
> > > Original poster: "Dr. Resonance" <resonance@xxxxxxxxxx>
> > >
> > >
> > >
> > > Use RF hash chokes across the NST pri between the xmfr and the 
> > > Terry filter to delete the RF spikes.  Iron core, 2 inch ID PVC 
> > > tube, 70 turns #12 AWG on both hot and neutral legs.
> > >
> > > Dr. Resonance