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Re: [EnergyPlus_Support] Shading Control issue
The only complication in your proposed control strategy seems to be your
desire for the shading to be forced ON from 0 to 8h. Did you try just
controlling with "OnIfHighOutsideAirTemp" for all hours?
Rob Hitchcock
========
Nuno Costa Brandão wrote:
> Hi All,
>
> Just poping this back, hoping that someone gives me some guidance help
>
> Thanks
> Nuno
> ---------------------------------------
> Dear All,
>
> I´m simulating a building with shading(exterior blinds) in its windows.
> The shading control should be as follows:
>
> from 0 to 8h: shading is always on
> from 8h to 21h: shading is on if outside air temperature exceeds 20ºC
> and its off if outside air temperature is less than 20 ºC
> from 21hto 24h: shading is always off
>
> The best approach I could obtain was to define a schedule control
> always equal to 1(meaning that the shading is always on for the 24h)
> and a control setpoint of 20ºC, with the "OnIfHighOutsideAirTemp"
> control, which would override the schedule everytime the out side air
> temp is less then 20ºC. This resulted in a higher costs because
> supplemental heating is needed for the times where the shading is
> always on.
>
> Is there any other alternative to precisely simulate the control
> previously described above?
>
> Thanks for the help
> Nuno
>
>
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