Originally posted by reader2580
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Voltage drop is a function of current squared. At 11.4kW and ~400vdc / 240vac your inverter input is ~30ADC in and ~48AAC out. So line losses on the AC side all things being equal would be ~250% higher.
I would also double check to make sure your optimizers are compatible with your 'new' 11.4kW inverter.
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