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RE: phase conversion
Original poster: "David Thomson" <dave-at-volantis-dot-org>
> Original poster: "Virtualgod" <mike.marcum-at-zoomtown-dot-com>
>
> Might try finding a 400hz version. Usually less than half the
> weight (maybe even 1/4) for the same kW rating.
That's exactly what I have. It's made by Leland Electrosystems Inc and is
new old stock military surplus. Now that I look at it, I remember someone
telling me that it needs capacitance between the legs. Maybe with my new
test equipment I can calculate the capacitance? I'll take a look at it.
Dave
>
> ----- Original Message -----
> From: "Tesla list" <tesla-at-pupman-dot-com>
> To: <tesla-at-pupman-dot-com>
> Sent: Tuesday, March 30, 2004 8:53 PM
> Subject: RE: phase conversion
>
>
> > Original poster: "David Thomson" <dave-at-volantis-dot-org>
> >
> > Hi Matt,
> >
> > I've been talking to experts concerning three-phase power for
> some time.
> > The only way to get true three-phase power is to either buy it from the
> > utility company (and learn to continually balance the lines)
> or generate
> it
> > yourself with a true three-phase generator.
> >
> > Phase converters allow you to run a three-phase motor using two of the
> three
> > phases. In all cases, you end up with a silent leg (some call it a
> phantom
> > leg, it's all the same). If all you want to do is run a three-phase
> motor,
> > that's fine, a phase converter will work.
> >
> > I've been wanting to generate true three-phase power so I
> could produce a
> > rotating magnetic field from a stator without a rotor. I still haven't
> > succeeded because I can't afford the expensive three-phase
> power from the
> > utility company or the expensive three-phase generators.
> >
> > Well, I actually purchased three working 100kV three-phase
> generators from
> > the military for $25 at a military auction. But the generators were so
> huge
> > I needed a flat bed semi to haul them and a pretty hefty
> forklift to move
> > them. I ended up abandoning them.
> >
> > Dave