Re: Power Factor (Was Freau's efficiency)

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-qwest-dot-net>" <evp-at-pacbell-dot-net>

> >       When the transformer secondary is loaded with a capacitor and spark
> > gap, how do you figure the amount of inductive reactance to cancel?
> >
> > Ed
> 
> Either by using a Spice simulation,  or by guessing a PFC capacitance,
> and refining it for minimum current draw.
> 
> This works very well for systems using an RSG.  Howeveer, static gap
> behaviour is so chaotic that I think PFC is probably not very
> effective in these systems ???
> 
> See my other post on Designing for High Power Factor too.
> 
>                                                 Cheers,
> 
>                                                 -Richie,
>                                                 (Newcastle, UK.)

	Good answer.  I suspect blind use of someone's "design rules" based on
transformer rating or something probably results in the wrong
capacitance value most of the time.

Ed