Most appropriate is Ip-max. If you are "operating" @ ISC or above, your voltage has already dropped to zero... AKA 100% voltage drop.
Pray for Sun! Matt Lafferty - Sent from my Palm Pre On Jul 22, 2010 12:22 PM, Marco Mangelsdorf <ma...@pvthawaii.com> wrote: When calculating the voltage drop from a PV array to the inverter, what’s the most common accepted practice? To use the Isc X 1.25 or 1.56 as the multiplier? Thanks, marco
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