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Re: Charging inductors for resonant charging



Original poster: Jim Lux <jimlux-at-earthlink-dot-net> 

At 08:01 AM 1/29/2004 -0700, you wrote:
>Original poster: Ed Phillips <evp-at-pacbell-dot-net>
>Tesla list wrote:
> >
> > Original poster: Jim Lux <jimlux-at-earthlink-dot-net>
> >
> > What sort of sources are there for a 5-15 Henry charging inductor for a
> > resonant charging circuit? RMS current would be in the 1-2 Amp range.
> >
> > Is this a "wind it on a MOT core" kind of thing?
>
>         I'm no a magnetics designer but that sounds like a HUGE device to me!
>If the charging frequency was 120 Hz the reactance of the 5 henry choke
>would be about 3770 ohms and the voltage across it at 1 amp would then
>be 3770 volts.  If it is to pass 1 amp the wire size would probably have
>to be around #22 even for intermittent operation, and the resulting wire
>area would require a large core.  Real designers step forward?


So then, what ARE people using for charging chokes in resonant charging 
systems..