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 Post subject: Module Quality Loss
PostPosted: Mon Jun 05, 2017 3:24 pm 

Joined: Sat Apr 12, 2014 8:37 am
Posts: 5
Hey Andre ,
I wanted to know as to how PVSyst takes into account the Positive tolerance of the module in the calculation? Like you've explained in your article , for a Tolerance of 0 to +3 % , you take quarter which is -0.75% indicating over performance , Does this mean that while calculating the software will randomly generate modules with a Peak power varying from 0% ( Rated Name plate [power ) to 0.75% (that is Rated + 0.75% * Rated Name plate Power) Extra power ?

What if i take it zero ? Since the Tolerance has already been Mentioned in the PAN File.

 Post subject: Re: Module Quality Loss
PostPosted: Sat Jul 15, 2017 9:09 pm 
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Joined: Mon Apr 16, 2012 7:29 pm
Posts: 1566
No. The Module Quality Loss is a constant factor, applied as constant derate factor at each step of the simulation.
If you define a negative loss factor (for accounting for the positive sorting), this will give a gain.

The tolerance is mentioned in the PAN file. This doesn't mean that it is accounted for in the simulation. Its only use in the software is indeed for the default of this parameter.

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