Re: "UK_Selfbuild" Consumer unit wiring

["Andy Whitfield" <andywhitfield2002@xxxxxxxxxxx>]

I think I'm right in saying a good UPS is synchronised with the
mains.  So shouldn't have a problem.  But I will check on the
synchronisation.
Andy the UPS Man

--- In ukha_d@xxxxxxx, "Nigel Giddings" <nigel@...> wrote:
>
> Pete,
>
> My house is fed with a single phase supply as well, but I was
cautious
> as the UPS may introduce a lag in the phase between external
supply and
> the UPS output. You would also have to consider switching
possibilities
> (on the MCB Isolators) that may cause some of the install to run
on the
> external supply and some on a disconnected, free running, UPS
leading to
> a difference in phase of the supplies as they drift apart once
> disconnected from each other.
>
>
>
> It would seem from Phil's comments no damage would be done only
dimming
> function would go out of whack...
>
>
>
> If the Control and Supply to each module is keep together and the
only
> link is the C-Bus 36v Bus itself then it would be like any other
install
> that uses more than one phase...
>
>
>
> Nigel
>
>
>
> -----Original Message-----
> From: Pete Church [mailto:yahoo@...]
> Sent: 09 November 2007 20:02
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] "UK_Selfbuild" Consumer unit wiring
>
>
>
>
>
> >I had considered using a UPS to maintain the supply to C-Bus but
then
> >read that each module, within it's self, needs to be on the same
> >phase... I suppose what you have done is some modules totally on
UPS
> and
> >some totally not on the UPS?
>
> I thought it was the opposite and the control side could be on a
> different
> phase to the load, which makes Gareth's implementation possible. I
don't
> remember seeing any limitations being posed by different phases
between
> units either.
>
> Btw I'm only going to have single phase so haven't focused on this
too
> much.
>
> Pete
>
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>
>
>
>
>
> [Non-text portions of this message have been removed]
>