Power in = Power out
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I understand 2 groups of 2..... each group wired in series........ THEN the 2 groups wired in parallel.....
But now trying to get the math part down....
Each GROUP (of 2 panels) wired in SERIES has a combined Voc of 45V and an Isc of 5.75A
When I wire the 2 groups in PARALLEL I maintain the same Voc of 45V but double my ISC of 5.75A to 11.5A.
So this particular series-parallel set-up will supply an Isc of 11.5A at a Voc 45V.
45V x 1.25 = 56.25V which is well under the Voc Max of the CC which in this case happens to be 100Vdc.
If I correctly explained what you told me I'm a happy camper because that means I understand what you told me.
Thanks, MikeComment
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Comment
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Panel has a Vmp of 18.9V.....2 x 18.9V = 37.8V
Panel has an Imp of 5.29A....2 x 5.29 = 10.58A
Total panel wattage = 400W
400W/12V = 33.3A
Apparently there is more than one way to skin a cat.Comment
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I mean the current output you should see coming out of the controller with 400 watt input. 37.8 volts x 10.58 amps = 400 watts.MSEE, PEComment
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