My growatt inverter manual says that open circuit voltage my not exceed 145 volts DC.
So for a renogy 300 watt, 24 volt panel, the open circuit voltage is 38.80. Since I'm running a 48 volt system, I would need 3 of them to get to 72 volts, above the 60 volt minimum of the MPPT voltage range.
My question is, does that 38.8 volts Open circuit also triple with three panels in series? while that only comes to 116 volts if it does, It would be nice to know if it would be a problem should I grow my system.
So for a renogy 300 watt, 24 volt panel, the open circuit voltage is 38.80. Since I'm running a 48 volt system, I would need 3 of them to get to 72 volts, above the 60 volt minimum of the MPPT voltage range.
My question is, does that 38.8 volts Open circuit also triple with three panels in series? while that only comes to 116 volts if it does, It would be nice to know if it would be a problem should I grow my system.