Module quality loss

[Michalis Angeli]

Hello, i would like to ask what does Module quality loos, that shown in loss diagramm, means?
 

And why that has positive effect?

 

 

[André Mermoud]

This is explained in our FAQ  https://forum.pvsyst.com/topic/44-how-to-define-the-quotmodule-quality-lossquot-and-the-quotlidquot-parameter/#comment-44

 

[Michalis Angeli]

Thank you!