3-phase power

[Adrian Stoness]

you can use a vfd drives to get 3phase power from single u just gotta size
them bigger then the load u would normally need

On Tue, Jan 4, 2022 at 10:52 AM Jon Elson via cctalk <cctalk at classiccmp.org>
wrote:

> On 1/4/22 10:03 AM, Noel Chiappa via cctalk wrote:
> >      > From: Scott Quinn
> >
> >      > I have seen some roads where the utility has 2 of the phases plus
> >      > neutral going down them, not true 2-phase power, but 2 phases
> 120/240
> >      > degrees apart with the third phase just not present.
> >
> >
> >
> > My house has something like that; the previous owner wanted '3-phase
> service'
> > for machine tools (I think - could have been a compressor, or something)
> in
> > his basement workshop, so they sold him a pseudo-3-phase service. I
> forget
> > the exact details of how it works, but the 3rd phase is at 170V to
> neutral,
> It should be 208V - see center grounded delta online.  240 *
> sin 60 degrees = 207.8 V.
> Jon
>