[Bldg-sim] Daylight saving simulation in eQUEST

[R B]

It depends on what your original schedule is for lighting - if it is full on
in the exterior zones for working hours (say 8 to 5), then daylighting will
pretty much reduce all of this to a very minimum value. You can do a rough
estimate of savings by figuring out how much of the lighting load is due to
external zones during the daylight hours.
- Rohini


On 6/20/08, Lan Hu <lhu at mwce.net> wrote:
>
> Hi, all,
>
> I simulated an office building with 49% window on each orientation, and
> compared the results with daylighting and without daylight. The lighting
> energy consumption is 48.5% less with daylighting, and the total energy
> consumption is 18.5% less. I set the only sensor in each exterior zone
> around 15ft from the exterior window and used default values for other
> setup. I wonder if anybody with experience of daylighting think these
> big(?) saving numbers are realistic?
>
> Any input will be appreciated.
>
> Lan Hu
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