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Re: Ballast Puzzle



Original poster: "Metlicka Marc by way of Terry Fritz <twftesla-at-qwest-dot-net>" <mystuffs-at-orwell-dot-net>




> A PFC cap is connected directly across the mains to cancel any
> inductive component the mains sees at the input terminals of whatever
> is connected to it.

careful here, the Pfc. should go across the mains, BUT AFTER the on/off
switching component.
if it is placed across the mains before the on/off switch, then while
the coil is off but plugged in, it will reflect the capacitance back
across the mains.
marc

 The primary cap itself should correct for the
> ballasting inductance in a resonant charging system.
> 
> Regards,
> malcolm