[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [TCML] Power Factor Correction



On Tue, Jul 15, 2008 at 7:18 PM, Lau, Gary <Gary.Lau@xxxxxx> wrote:

> There's the problem!  The PFC cap(s) must be wired in PARALLEL with the NST
> primary.


D'oh!


>  Placing it in series can only reduce the primary current.


Odd, I wonder why it would have boosted the current so much at larger
values?  Could it have saturated the shunts?


>
>
> Regards, Gary Lau
> MA, USA
>
> > -----Original Message-----
> > From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> > Behalf Of Phillip Slawinski
> > Sent: Tuesday, July 15, 2008 5:33 PM
> > To: Tesla Coil Mailing List
> > Subject: Re: [TCML] Power Factor Correction
> >
> > Maybe 10uF is too much to get close to the right value.  It seemed like
> 30uF
> > was the correct value but it wasn't.  I measured secondary current and
> that
> > had been reduced by 25%.  90mA vs 120.  I did get a value that gave me
> 120mA
> > on the secondary side but the current draw on the primary was the same as
> it
> > had been before.
> >
> > I have the PFC caps wired in series with the hot line to the transformer.
> >
> > On Tue, Jul 15, 2008 at 2:52 PM, Skip Malley <skip@xxxxxxxxxxxxxxx>
> wrote:
> _______________________________________________
> Tesla mailing list
> Tesla@xxxxxxxxxxxxxx
> http://www.pupman.com/mailman/listinfo/tesla
>
_______________________________________________
Tesla mailing list
Tesla@xxxxxxxxxxxxxx
http://www.pupman.com/mailman/listinfo/tesla