[OpenTRV-interest] [OpenTRV-dev] Storage heating, dynamic demand, and OpenTRV
Mark Wigmore
EMAIL ADDRESS HIDDEN
Mon Sep 8 11:50:06 BST 2014
Interestingly, one of the links makes exactly the suggestion I made, to
charge a storage heater in the day to provide evening heating:
http://www.thegreenage.co.uk/storage-heaters-still-place-home/
Scroll down to , "So why would I want to install a Storage heater now?"
Mark
On 8 September 2014 11:46, Damon Hart-Davis <EMAIL ADDRESS HIDDEN> wrote:
> By “electric storage heater” I mean dry storage (potentially compact
> because of much higher storage temps than with water even if specific heat
> capacity of storage medium lower), like this:
>
> https://www.google.co.uk/search?rls=en&q=electric+storage+heaters
>
> Rgds
>
> Damon
>
>
> On 8 Sep 2014, at 11:06, Bo Herrmannsen <EMAIL ADDRESS HIDDEN> wrote:
>
> > it was an electric storage heater i had in mind.... cylinder with water
> in it and and some point an electric heating element
> >
> > at buttom 2 pipe connections... water in and out...
> >
> > 2014-09-08 12:00 GMT+02:00 Damon Hart-Davis <EMAIL ADDRESS HIDDEN>:
> > Hi,
> >
> > The key thing I’m aiming for here is short-term controllability to
> balance second-by-second flows in/out of the house, plus storage to carry
> that energy to a more useful time.
> >
> > Thus an electric storage heater rather than a normal one.
> >
> > Your DHW idea is in principle fine if done right, but storage in water
> isn’t plausible for everyone.
> >
> > Anyhow, only a thought experiment, so good to thrash it out!
> >
> > Rgds
> >
> > Damon
> >
> >
> > On 8 Sep 2014, at 10:57, Bo Herrmannsen <EMAIL ADDRESS HIDDEN>
> wrote:
> >
> > > my thought of a tank with electric heater is simply just that i did
> not know any other hardware that could do the job
> > >
> > > maybe there are a electric heater you just plumb in?
> > >
> > > 2014-09-08 11:43 GMT+02:00 Damon Hart-Davis <EMAIL ADDRESS HIDDEN>:
> > > Hi,
> > >
> > > Sorry, not sure if I missed this one or not.
> > >
> > > My thought experiment is for situations such as mine with solar PV and
> ‘instant’ DHW (no tank, and no solar thermal), which I sure is not unique!
> > >
> > > Thanks for everyone’s feedback: very helpful!
> > >
> > > Rgds
> > >
> > > Damon
> > >
> > >
> > > On 7 Sep 2014, at 15:57, Bo Herrmannsen <EMAIL ADDRESS HIDDEN>
> wrote:
> > >
> > > > hmmm
> > > >
> > > > just on top of my head.... an well insulated hot water cylinder with
> an electric heating element in series with the rad loop..? then both the
> gas heater and the electric can heat up the water at the same time...
> > > >
> > > > of course you have to wire in the electric heating element so the
> system will not boil...
> > > >
> > > >
> > > > in denmark the cylinder normally hold 100 liters of water, not sure
> if there are space enough in an UK home for that... but if you can get them
> in 50 liters you could pick 2 of them and place them where there is space
> > > >
> > > >
> > > > but will the gas heater make hot drinking water from that same loop?
> if not my idea is not worth much....
> > > >
> > > >
> > > >
> > > > 2014-09-07 13:00 GMT+02:00 Damon Hart-Davis <EMAIL ADDRESS HIDDEN>:
> > > > Hi,
> > > >
> > > > I have a thought in the back of my mind about carefully making some
> use of residual exported solar PV generation in winter with
> highly-efficient storage heaters controllable by an extension of OpenTRV to
> supplement a gas-fired system. This would also help with grid balancing.
> > > >
> > > > (Yes, I am allergic to electric resistance heating in most
> circumstances, but if done carefully this might be virtuous.)
> > > >
> > > > Does anyone know of off-the-shelf UK storage heaters that have
> electronically-controllable fans/vents and that can retain the bulk of
> their heat for much more than a day, preferably a week.
> > > >
> > > > Rgds
> > > >
> > > > Damon
> > > >
> > > >
> > > > _______________________________________________
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> > > >
> > > >
> > > >
> > > > --
> > > > |||||
> > > > @(~Ô^Ô~)@
> > > > -------------oOo---U---oOo-------------
> > > > | |
> > > > | Bo Herrmannsen |
> > > > | |
> > > > | |
> > > > | "blessed are the "cracked", |
> > > > | for its they who let in the light" |
> > > > | Ooo |
> > > > |_________________ooO____( )________|
> > > > ( ) ) /
> > > > \ ( (_/
> > > > \_)
> > > >
> > > >
> > > >
> > > > _______________________________________________
> > > > OpenTRV-interest mailing list
> > > > EMAIL ADDRESS HIDDEN
> > > > http://lists.opentrv.org.uk/listinfo/opentrv-interest
> > >
> > > _______________________________________________
> > > OpenTRV-dev mailing list
> > > EMAIL ADDRESS HIDDEN
> > > http://lists.opentrv.org.uk/listinfo/opentrv-dev
> > >
> > >
> > >
> > > --
> > > |||||
> > > @(~Ô^Ô~)@
> > > -------------oOo---U---oOo-------------
> > > | |
> > > | Bo Herrmannsen |
> > > | |
> > > | |
> > > | "blessed are the "cracked", |
> > > | for its they who let in the light" |
> > > | Ooo |
> > > |_________________ooO____( )________|
> > > ( ) ) /
> > > \ ( (_/
> > > \_)
> > >
> > >
> > >
> > > _______________________________________________
> > > OpenTRV-dev mailing list
> > > EMAIL ADDRESS HIDDEN
> > > http://lists.opentrv.org.uk/listinfo/opentrv-dev
> >
> > _______________________________________________
> > OpenTRV-dev mailing list
> > EMAIL ADDRESS HIDDEN
> > http://lists.opentrv.org.uk/listinfo/opentrv-dev
> >
> >
> >
> > --
> > |||||
> > @(~Ô^Ô~)@
> > -------------oOo---U---oOo-------------
> > | |
> > | Bo Herrmannsen |
> > | |
> > | |
> > | "blessed are the "cracked", |
> > | for its they who let in the light" |
> > | Ooo |
> > |_________________ooO____( )________|
> > ( ) ) /
> > \ ( (_/
> > \_)
> >
> >
> >
> > _______________________________________________
> > OpenTRV-interest mailing list
> > EMAIL ADDRESS HIDDEN
> > http://lists.opentrv.org.uk/listinfo/opentrv-interest
>
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