Re: [EnergyPlus_Support] PV module

["Michael J. Witte" <mjwitte@xxxxxxxx>]

In case you still had some questions . . .

Yes, the PV models account for shading based on the geometry of the surface to
which it is attached and other surfaces in the simulation.

Yes, you must adjust performance for dirt manually.

One other note, in the GENERATOR:PV:EQUIVALENT ONE-DIODE model, the active area
is only used to calculate the efficiency report variable.  The inputs for
number of modules control the total power output of the PV array.

Mike


On 1 Sep 2004, at 19:14, Drury.Crawley@xxxxxxxxxx wrote:

>
> More information on all three PV modules is provided beginning
> on page 310 (page 358) of the EngineeringDoc.pdf, including
> equations, references, etc.
>
>
>
>
>
>                       smitagupta73
>                       <smita@smitagupta        To:
>                       EnergyPlus_Support@xxxxxxxxxxxxxxx                .com>
>                                       cc:
>
>                                         Subject:  [EnergyPlus_Support] PV module
>
>                       09/01/2004 05:39                                        PM
>                                                              Please respond to
>                                                            EnergyPlus_Suppor
>                                                          t
>
>
>
>
>
>
>
> Hi,
>
> I am trying to figure out the calculation algorithms for PV in E+. I
> understand that there are 3 options:
>
> Simple Mode
> TRNSYS PV
> Sandia
>
> Can anyone tell me if any of these modules take into account the
> effect of external shading on the PV panels?? And would I need to
> adjust the performance for dirt etc. manually?
>
> Also, any other pointers in attempting to simulate PV output would be
> useful.
>
> Thanks,
>
> -Smita
>
>
>
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>
>
> The primary EnergyPlus web site is found at:
> http://www.energyplus.gov
>
> The group web site is:
> http://groups.yahoo.com/group/EnergyPlus_Support/
>
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========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support
EnergyPlus-Support@xxxxxxxx




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