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PostPosted: Fri Aug 17, 2018 6:43 pm 

Joined: Mon Sep 28, 2015 6:13 pm
Posts: 101
Hello Team,

I don´t know really what this parameter stands for: "voltage drop across series diode", in the array losses configuration.
What´s its physical meaning, was it neglicted before? or now just it is isolated for individual study. I m appying it with default value of 0,7 V but i would like to understand it better.

Thanks in advance, Best R.
Jose


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PostPosted: Fri Aug 17, 2018 11:08 pm 
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Joined: Mon Apr 16, 2012 7:29 pm
Posts: 1680
This is now obsolete, you should put 0.

In old PV systems, it was a common practice (and even a rule in some countries) of putting a diode in series with each string, for avoiding drawing current from one string to anothe weaker one.
This is completely useless as the string voltages are quasi-identical, whatever the irradiance or electrical losses. Therefore the diode is never activated.


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PostPosted: Thu Aug 23, 2018 2:56 pm 

Joined: Mon Sep 28, 2015 6:13 pm
Posts: 101
Thanks a lot André
BR


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