Check Ebay....
At 12:49 PM 4/27/2009 -0700, Randall wrote:
> > Good Day Group I am interested in a phase converter or
> > phase shifter. A
> > Capacitor type to run a 2 to 3 hp 3phase motor on 240 single
> > phase. They come in a metal box about 8`x8` 3-4 hundred
> > dollars??
>
>Art, I don't have all the links handy, but there should be lots of info on
>the web about building your own. There are several approaches; one way is
>to find a surplus 3-phase motor that is similar or slightly larger than the
>one you intend to power and use it as a "rotary transformer". Here's one
>page with the basics:
>http://www.nojolt.com/how-to-build-a-rotary-phase-converter.shtml
>
>A simple capacitive type "converter" isn't going to work as well; and needs
>to be 'tuned' to the load, which is problematic for most "home shop" loads.
>Still adequate for some uses though; primarily cases where the load motor
>can be started under no load and you don't need full power from it (like a
>lathe or mill).
>
>But $300-$400 (even Canadian) should get you a full-blown 2-3hp VFD; eg,
>http://tinyurl.com/cav4xz
>
>Randall
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