Re: [EnergyPlus_Support] Re: Difference between RunPeriod and SizingPeriod:weatherfiledata

[Linda Lawrie <linda@xxxxxxxxxxxxxx>]

There was a bug in V3.1, try downloading V4.0 and see if you
still have problems.

Note, too, however, that daylighting is not run for Sizing periods --
with your change in electric power, if you have daylighting, this might
be the answer.

At 09:41 PM 10/12/2009, hjtju2002 wrote:
> Dear all,
>
> I define in my input file the RunPeriod is the whole year. And I also set
> up the SizingPeriod:weatherFileDays is only two month (Jan 1st to March
> 1st). Both of them use the same weath file.
>
> But after simulation, I found that the results of the same day calculated
> using RunPeriod and SizingPeriod are different. For example, on Feb 1st,
> the electric power is 75 for RunPeriod and 227 for SizingPeriod.
>  
> Could anyone explain why they are different?

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