RE: Electric UFH &

["Phil Harris" <phil@xxxxxxxxxxx>]

AHHHA!!!!

That would definitely do it...

Phil

> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx]
> On Behalf Of Chris Hunter
> Sent: 21 January 2007 12:49
> To: ukha_d@xxxxxxx
> Subject: Re: [ukha_d] Electric UFH &
>
> Phil , Ken -
>
> sorry ... I think I've just realised that when I lost the
> thread, I accidentally changed forums ... from SelfBuild to
> uk_ha ... hence the confusion !!!
>
> apologies ...
>
> Chris
>
>
>
> Chris Hunter wrote:
>
> >yes, but ... the original point was to protect electric UFH
> & electric
> >boilers feeding thermal stores from over-voltages that might
> burn them
> >out & expensive replacement activities ...
> >
> >Chris
> >
> >
> >
> >Phil Harris wrote:
> >
> >
> >
> >>Maybe I'm missing the point here but if you have kit that
> is in some
> >>way sensitive to incoming mains fluctuations then why not
> simply run
> >>it from a double conversion UPS instead of trying to
disconnect
> >>yourself from the national grid? I would assume you're not
> talking of
> >>kit that is particularly power hungry...
> >>
> >>Phil
> >>
> >>
> >>
> >>
> >>
> >>>-----Original Message-----
> >>>From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On
> >>>Behalf Of Chris Hunter
> >>>Sent: 21 January 2007 10:07
> >>>To: ukha_d@xxxxxxx
> >>>Subject: Re: [ukha_d] Electric UFH &
> >>>
> >>> across the power input to deal with some faults, which
result in
> >>>over-current, some HP instrumention used to use some sort
of solid
> >>>state device that was triggered to short blow the fuse ...
> they used
> >>>to call it crow-barring ...
> >>>
> >>>Chris
> >>>
> >>>
> >>>
> >>>Kenneth Watt wrote:
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>>I read it. I went away, dealt with some stuff. I came
> back, read it
> >>>>again. I had a ludicrous amount of wine and then read
it again.
> >>>>
> >>>>Nope, still makes absolutely no sense at all.
> >>>>
> >>>>K.
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>>-----Original Message-----
> >>>>>From: ukha_d@xxxxxxx
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>[mailto:ukha_d@xxxxxxx] On Behalf
> >>>
> >>>
> >>>
> >>>
> >>>>>Of Chris Hunter
> >>>>>Sent: 20 January 2007 19:41
> >>>>>To: ukha_d@xxxxxxx
> >>>>>Subject: [ukha_d] Electric UFH &
> >>>>>
> >>>>>Dammit ... 'forgotten what this thread's called
... sorry ...
> >>>>>
> >>>>>
> >>>>>Thanks, interesting ... I guess I was thinking
more of something
> >>>>>simple, like an electronic crow-bar, that
effectively
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>shorts the mains
> >>>
> >>>
> >>>
> >>>
> >>>>>& blows the fuse if ever the voltage becomes
excessive ... such
> >>>>>approaches used to be used in good-quality
electronic
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>equipment, maybe
> >>>
> >>>
> >>>
> >>>
> >>>>>they still are ... maybe, too, today, a different
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>technology would be
> >>>
> >>>
> >>>
> >>>
> >>>>>the thing ...
> >>>>>such as that used for resettable fuses in consumer
units, or RCD
> >>>>>shut-off devices ... but something that can pass
100A
> everyday, for
> >>>>>the heating system & other household equipment
... plus,
> of course,
> >>>>>the UPS to look-after the essentials !
> >>>>>
> >>>>>Actually, thinking about it, with all this fancy
HA we're
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>all chasing
> >>>
> >>>
> >>>
> >>>
> >>>>>after, it ought to be possible to program it to
tell when things
> >>>>>aren't what they ought to be, and do the necessary
...
> even if i's
> >>>>>just keeping an eye on mains voltage ...
> >>>>>
> >>>>>OK ... what we need, is for Idratek & C-Bus to
include a
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>volts & amps
> >>>
> >>>
> >>>
> >>>
> >>>>>measuring device in their ranges ...
> >>>>>
> >>>>>'wonder if the Electrisave could be useful in
this, now
> that Iain's
> >>>>>broken the code ?
> >>>>>
> >>>>>'sorry, 'thinking out-loud !
> >>>>>
> >>>>>Chris
> >>>>>
> >>>>>-----
> >>>>>
> >>>>>Saturday, 20 Jan'07 - 17:53:06 -0000
> >>>>>
> >>>>>from: Graham Pye   Graham@xxxxxxx
> >>>>>
> >>>>>To protect your electronic devices (eg: PC, TV,
etc)
> then you just
> >>>>>need a UPS, which also has the benefit of keeping
them
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>going for a bit
> >>>
> >>>
> >>>
> >>>
> >>>>>if you
> >>>>>have a power-cut.   I got mine from Andy Whitfield
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>(www.upsman.co.uk)
> >>>
> >>>
> >>>
> >>>
> >>>>>who sells reconditioned UPSs on EBay, and is a
very helpful
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>guy !   To
> >>>
> >>>
> >>>
> >>>
> >>>>>regulate the voltage for the whole house, you can
get
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>constant voltage
> >>>
> >>>
> >>>
> >>>
> >>>>>transformers, but that would be an expensive
solution for all the
> >>>>>electrics.   I used to work on things like that in
a former
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>life, but I
> >>>
> >>>
> >>>
> >>>
> >>>>>never really understood how they worked - it was
something
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>to do with
> >>>
> >>>
> >>>
> >>>
> >>>>>the characteristics of the core changing under the
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>influence of some
> >>>
> >>>
> >>>
> >>>
> >>>>>control voltage, but it was a long time ago now !
> >>>>>
> >>>>>Graham
> >>>>>
> >>>>>-----
> >>>>>
> >>>>>Saturday, 20 Jan'07 - 10:52:59 +0000
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>>peaking at over 300V ...
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>Interesting ... 'wonder if there's a device that
could
> be used to
> >>>>>limit incoming voltages (with the winds we've been
> having, and the
> >>>>>story from Madrid a few days ago - 'though I know
our
> earth's are
> >>>>>better here, thanks to the damp ... ) - 'could
save having
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>to dig up
> >>>
> >>>
> >>>
> >>>
> >>>>>the floor if the worst happens !
> >>>>>
> >>>>>Also makes me wonder about our thoughts of going
for wet
> UFH with
> >>>>>thermal stores & electric boilers, retaining
the option of
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>gas -- if
> >>>
> >>>
> >>>
> >>>
> >>>>>electric cables would be easy & less
expensive, maybe we
> could keep
> >>>>>the option of gas through use of (for example) a
> Whispergen (sp?).
> >>>>>
> >>>>>Chris
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>[Non-text portions of this message have been removed]
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >
> >
> >
> >[Non-text portions of this message have been removed]
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
>
> [Non-text portions of this message have been removed]
>
>
>
>
>
>
>