Conductor Sizing
solarj
Registered Users Posts: 6 ✭
How to figure conductor size? 3 panels in series 5 parallel Isc 9.71 amps going 40 feet to charge controller.
9.71x5=48.55x1.25=60.68x1.25=75.8 looks like #2 awg
Does this sound right?
9.71x5=48.55x1.25=60.68x1.25=75.8 looks like #2 awg
Does this sound right?
Comments
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How to figure conductor size? 3 panels in series 5 parallel Isc 9.71 amps going 40 feet to charge controller.
9.71x5=48.55x1.25=60.68x1.25=75.8 looks like #2 awg
Does this sound right?
I agree with your 75.8 amp number, assuming no adjustments for CCC or temp. However your wire size is unnecessarily large. #4 copper easily does it. -
Copper or Aluminum?
Solar hybrid gasoline generator, 7kw gas, 180 watts of solar, Morningstar 15 amp MPPT, group 31 AGM, 900 watt kisae inverter.
Solar roof top GMC suburban, a normal 3/4 ton suburban with 180 watts of panels on the roof and 10 amp genasun MPPT, 2000w samlex pure sine wave inverter, 12v gast and ARB air compressors.
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