[RE-wrenches] insolation v. actual output

[Marco Mangelsdorf]

Could someone please provide me with that generally accepted equation when
it comes to estimating AC output from a PV array versus the STC rating?

 

That is, I'm looking for that equation which estimates the losses due to mod
mismatch, soiling, wire losses, etc., etc.  I've got someone who mistakenly
expects their PV array to put out 90 or more percent of the STC rating.

 

Thanks,

marco

 

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