The capacitor provides a shift in phase of the excitation to one set of the motor's windings relative to the other windings. This provides a rotating magnetic field which the rotor "follows."
Donald.
----- Original Message -----
> From: "Rob roomberg@... [Homebrew_PCBs]" <Homebrew_PCBs@yahoogroups.com>
> To: "Homebrew PCBs" <Homebrew_PCBs@yahoogroups.com>
> Sent: Wednesday, January 4, 2017 7:40:13 PM
> Subject: Re: [Homebrew_PCBs] What is the proper way to wire a 3 wire synchronous motor
>
> What is the purpose of the 0.15uF capacitor?
> I find the next size smaller shows it also in this picture:
> http://www.learnmorsecode.com/laminator/sync5.jpg
>
>
> On 01/04/2017 04:35 PM, 'keith printy' keethpr@...
> [Homebrew_PCBs] wrote:
> >
> > Since there appears to be a capacitor present the motor in the picture
> > is wired correctly. If there were no capacitor it would not run.
> >
> > ∗From:∗Homebrew_PCBs@yahoogroups.com
> > [mailto:Homebrew_PCBs@yahoogroups.com]
> > ∗Sent:∗ Wednesday, January 04, 2017 12:34 PM
> > ∗To:∗ Homebrew_PCBs@yahoogroups.com
> > ∗Subject:∗ Re: [Homebrew_PCBs] What is the proper way to wire a 3 wire
> > synchronous motor
> >
> > Thanks Mike and Harvey.
> > Thats the one.
> >
> > On 01/04/2017 11:25 AM, Harvey Altstadter hrconsult@...
> > <mailto:hrconsult@...> [Homebrew_PCBs] wrote:
> >
> > Rob,
> >
> > I think this is what you are looking for:
> > https://www.youtube.com/watch?v=C11NeRSxPD4
> >
> > Harvey
> >
> > On 1/4/2017 8:14 AM, Rob roomberg@...
> > <mailto:roomberg@...> [Homebrew_PCBs] wrote:
> >
> > Wh at is the proper way to wire an AC 3 wire synchronous motor?
> > There is a wire diagram on this picture but it does not help me.
> >
> > http://www.learnmorsecode.com/laminator/syncmotor.jpg
> >
> >
> > Do all 3 need to be attached to make it go clock wise?
> > counter clockwise?
> > Which wire is neutral?
> > Which wire is is hot?
> >
> >
>
>