[EnergyPlus_Support] Re: Model sizes, controls and PV

["Michelle Smith" <MLSmith@xxxxxxxxxxxxxxxxxxxx>]

Mike,

I guess at the moment, I don't have any specific control strategy in 
mind. The models I am doing now have very simple controls. Models I 
have done with DOE in the past have had much more complex control 
strategies. When I get a project requiring more complex controls, 
I'm sure I'll have more questions then.

I have sent the PV model to your support e-mail address. Thanks for 
all your help.

Michelle Smith
Belle Engineering, LLC


--- In EnergyPlus_Support@y..., "Michael J. Witte" <mjwitte@g...> 
wrote:
> Michelle:
> 
> LBNL recently conducted a survey regarding how EnergyPlus is being 
> used.  Someone from LBNL may be able to share some of those 
results 
> with the group here.
> 
> Regarding controls, I would agree that specifying certain control 
> types was simpler in DOE-2.1E, but EnergyPlus should be able to do 
> all of the same control strategies that DOE-2.1E has.  What 
specific 
> controls from DOE-2.1E are you unable to do in EnergyPlus?  What 
> specific controls are you unable to do in either program?
> 
> Please send your PV input file to energyplus-support@g... so that 
> we can look into the directional errors which you found.
> 
> Mike
> 
> 
> On 11 Sep 2002, at 22:21, Michelle Smith wrote:
> 
> > I am just curious, what size buildings are being modeled with 
> > EnergyPlus? Not only the phyical size, but how complex are the 
> > buildings (structure, many wall and window types, etc.)?
> > 
> > Also, are there any plans to make the control systems more 
flexible. 
> > Building controls in the real world are extremely flexible. You 
can 
> > control by more than just temperature and time schedules, you 
can 
> > use disciminator controls to control based on loading or control 
> > based on occupancy sensor input. In my opinion, modeling real 
world 
> > controls using DOE is much more flexible.
> > 
> > Finally, has any one else used EnergyPlus to model PV 
performance? I 
> > used EnergyPlus and the results just didn't look right to me, so 
I 
> > used another program to compare. EnergyPlus wasn't even in the 
> > ballpark with regard to the energy produced. Additionally, I had 
two 
> > arrays of different sizes pointing different directions, and the 
> > results reported by EnergyPlus were exactly the same for both. 
Any 
> > thoughts?
> > 
> > Thanks for any input,
> > 
> > Michelle Smith
> > Belle Engineering, LLC
> > 
> > 
> > 
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> > 
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> > 
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> > 
> > 
> > 
> > 
> >  
> > 
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> 
> 
> 
> ========================================================
> EnergyPlus Testing and Support      
> EnergyPlus-Support@g...


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