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Old 23-05-2011, 17:09   #1
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600 Watt System - Series , Parallel or Combination ?

We are getting these Aurinco 50 watt thin panels. Compact 40W panel that are non-skid. 12 panels to build a 600 watt system. Now the decision on how to wire it. four panels are aft of the sail no shading. four panels on either side of the sail starting two feet from the boom on center going outboard.
Panel specs.
Pmax 50 W; Vpm 18 V; Ipm 2.8 A; Voc 22 V; Isc 3.1 A

Should I wire pairs or panels together in series then put those in parallel and split the whole thing into port and starboard sections with separate controllers that accept 24volts. The wiring conduit space is tight will going to 24volt input to the controller help enough with wire size and voltage drop.

Should it all go into one good MPPT controller or run two controllers for some redundancy.

Thanks for any input
Seaking
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Old 23-05-2011, 21:34   #2
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re: 600 Watt System - Series, Parallell, or Combination?

I didn't try a fake irder to see what the discount is for big irder, but they're $$$$

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Old 24-05-2011, 09:15   #3
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Re: 600 Watt System - Series , Parallel or Combination ?

I know these panels are expensive, but they can be walked on and are only 3/16" thick. My question is about the choice of series or parallel connections. I am leaning toward a full parrallel hooke up to combat the partial shading, but I am open to all thoughts.

Yes I know they are expensive, but its on a big boat everything is *&%#%@ expensive
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