Here's a fun one:
Customer has existing system of 6 @ SHARP NU-U235F1 panels (235W). Mono. Totally covers small South roof.
He needs more power.
I am adding 6 panels facing West.
Roof pitches both about 35 degrees, steep.
Existing inverter stays..... and is a PV POWERED PVP2000.
SHARP has Vmp of 30 V.
I will combine both circuits of 6, old and new, on roof into existing #10 home run wiring. (combine in parallel)
How critical is it to match the new V to the old V? Or rather what does "match" mean, to what degree?
I am already planning to use matching number of modules (6) and 60 cell mod.s.
Specifically, my V options in panels range from 30.6 Vmp to 32.8 Vmp.
I want to get him max power...and myself max $.....so I prefer the 32.8 V times 6 panels, as it corresponds to the LG 310 watt, the most powerful panel.
Customer has existing system of 6 @ SHARP NU-U235F1 panels (235W). Mono. Totally covers small South roof.
He needs more power.
I am adding 6 panels facing West.
Roof pitches both about 35 degrees, steep.
Existing inverter stays..... and is a PV POWERED PVP2000.
SHARP has Vmp of 30 V.
I will combine both circuits of 6, old and new, on roof into existing #10 home run wiring. (combine in parallel)
How critical is it to match the new V to the old V? Or rather what does "match" mean, to what degree?
I am already planning to use matching number of modules (6) and 60 cell mod.s.
Specifically, my V options in panels range from 30.6 Vmp to 32.8 Vmp.
I want to get him max power...and myself max $.....so I prefer the 32.8 V times 6 panels, as it corresponds to the LG 310 watt, the most powerful panel.