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Difference batch mode to "normal" simulation
https://forum.pvsyst.com/viewtopic.php?f=25&t=2444
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Author:  sailerthomas [ Thu May 19, 2016 9:45 am ]
Post subject:  Difference batch mode to "normal" simulation

Hi There.
I conducted simulations in the batch mode. Furthermore i conducted one of the simulations of the batch mode again in the "normal mode". I had to state that the results of both simulations differ.
How can that be?
Thanks,
Thomas

Author:  BlackBird [ Thu Jul 05, 2018 4:32 am ]
Post subject:  Re: Difference batch mode to "normal" simulation

Hi everyone,

I have exactly the same problem, the differences are quite small but it still can have a real economic impact on our studies. I can detail more what I did. So, I ran a batch simulation with ticking the box "Create hourly files", then I set my output files to "Monthly values". My batch simulation is about to simulate over 10 years of functioning, so my only parameter is "Year of simulation". After that I just compared the different values of the variable "Energy injected to the grid", and the results are :

batch normal
0 43229 43220
1 43166 43151
2 43040 43017
3 42894 42882
4 42729 42729
...

After that results are the same, but so for the first years there are some differences, which can also be noticed at month level. For information, I just let the default values for the degradation over the years and I ticked the box "Keeps calculated mismatch values".

So my question is the same than sailerthomas, how is that possible ?

Thank you for your answer,
BlackBird

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