Re: Pig PFC (was Re: Inductive Kick LTR Pig Systems)

["Ed Phillips" <evp-at-pacbell-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

Tesla list wrote:
> 
> Original poster: "Malcolm Watts" <M.J.Watts-at-massey.ac.nz>
> 
> Hi all,
>          After putting my foot in my mouth already on this
> subject I am satisfied in my own mind that the sole purpose of
> PFC for a pig is to cancel the primary magnetizing inductance
> in the transformer. The ballast and primary cap should be self-
> cancelling if the charging is mains resonant. A crude model of
> the transformer is that of an ideal transformer with its
> primary shunted by a magnetizing inductance (Lp). In other
> words, PFC for a pig sounds like a jolly good idea.
> 
> Malcolm

	One would think that the PFC should go on the line side of the ballast.

Ed