Just to follow up, and for my own benefit as well, is there someone more
knowledgeable here about 3-phase power that can tell me how you split the
phases in an unbalanced 3-phase system (3 wires + earth).  Is this where
star and delta connections come into play ?

Rgs
Ian.

> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Ian McLean
> Sent: Saturday, 3 January 2004 2:12 pm
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [EE:] Remote Engine Starting, WAS:Vehicular
> remote starting
>
>
> Yes, you are right.
>
> In 415VAC 3-phase here in Australia, the voltage between any phase and
> neutral is 240VAC.  Just pick a hot and use that with the neutral.
>
> The voltage between phases is 415VAC.  Whilst this can be
> hard to fathom,
> you need to delve into the theory of AC power distribution
> and generation to
> get a grips as to why this is the case.
>
> However, if there is no neutral wire (un-balanced), then I am
> not sure how
> you can get 240VAC from the 3-phases.
>
> Rgs
> Ian.
>
> > -----Original Message-----
> > From: pic microcontroller discussion list
> > [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of rad0
> > Sent: Saturday, 3 January 2004 1:16 pm
> > To: PICLIST@MITVMA.MIT.EDU
> > Subject: Re: [EE:] Remote Engine Starting, WAS:Vehicular
> > remote starting
> >
> >
> > > Somewhere I saw a stand alone unit that ran on a pic. Try
> > googling for it.
> > > Rick
> > >
> > If you are going to use single phase from a 3 phase
> > generator, what do you
> > do?  Do you just pick a wire and get your single phase, or
> is there a
> > procedure??
> >
> > Thanks
> >
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