Re: 3 phase

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

Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>

Of course, a device like that (intended to start a 3 phase motor, which you
then "single phase") won't work to drive a 3 phase supply, which is what I
think the application is....  For that you want 3 reasonably balanced phase
voltages, and the rotary converter is probably the easiest way...



----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, January 05, 2002 6:55 PM
Subject: Re: 3 phase


> Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<evp-at-pacbell-dot-net>
>
> Tesla list wrote:
> >
> > Original poster: "rheidlebaugh by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <rheidlebaugh-at-zialink-dot-com>
> >
> > Lindsay Publecations PO box538, Bradley, Illinois 60915   catalog 608
spring
> > 2001 Product No 81 ,page 30. The project is intended to run 3 phase
motors
> > on single phase.It requires 3 motor run capacitors and a relay,
different
> > capacitors are neaded for different power motors and they deliver
different
> > HP , but it works. My little 12 ft 24 in swing lathe requires 3 phase
power.
> >   Robert  H
>
> If you don't want to make it, you can buy a "phase converter" at most
> machine tool supply houses, and probably elsewhere as well; they come in
> different sizes and I suspect the only difference in them is in the
> value of the capacitor (mine uses only 1, and I can't imagine needing
> more than two).  I have one I paid about $40.00 for (at that price it
> didn't seem worth making an enclosure and rolling my one) and it does a
> fine job of starting the 1/3 horse 3 phase motor on my lathe.  Torque is
> limited, of course, but you can't get something for nothing.
>
> Ed
>
>
>