[TRNSYS-users] doubts with time step

David Bradley bradley at tess-inc.com
Mon Feb 2 10:32:52 PST 2009


Matias,
  For almost all cases, TRNSYS outputs are average values over a 
timestep. An output of watts would therefore be the average 
instantaneous power generated by the PV over the course of the hour (W, 
not Wh, and kJ/hr, not kJ).
Kind regards,
 David


Matias Garcia wrote:
> Hi to everyone!
> I have a small doubt with the time step.
> If I have my time step set to 1 hour, the values I obtain of power, 
> which output units are in W, are really energy units of value W*h, 
> aren´t they?
> I allways thought it was like that, but now I am obtaining very low 
> pic power for every hour in a photovoltaic array and I am begining to 
> doubt.
> Thanks!
> ------------------------------------------------------------------------
>
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> TRNSYS-users at cae.wisc.edu
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Thermal Energy System Specialists (TESS), LLC 
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