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Forum Index : Solar : what is going on here

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tomqu7
Senior Member

Joined: 09/11/2012
Location: Australia
Posts: 168
Posted: 07:13pm 06 Jan 2013
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ONE STRING IS 400 VOLTS 600 WATTS
OTHER STRING 200 VOLTS 300 WATT THIS IS THE RATIO

ONE STRING IS 13 PANELS OTHER STRING 12 PANELS
EACH STRING GOES TO ONE PORT IN MAC SOLAR 5 KW
ONLY DOING 20 KW PER DAY
ON THE ROOF THERE ARE 2 ROWS OF 5 PANELS and 1 ROW OF 7 and row of ROW 8
the inverter accepts 10-60 % over so will accept the 2 strings one 13 panels and one 12 panels
supposed to 5 kw

one row not connected or functioning ?
 
panky

Guru

Joined: 02/10/2012
Location: Australia
Posts: 1101
Posted: 04:18pm 12 Jan 2013
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Hi Tom,

I can't quite figure out your configuration? Are all the panels nominal 12V panels? Are the panels all the same wattage? If not, what are the values?

Are the panels in each string all in series and the same wattage?

I don't understand your first couple of lines? Are the voltages quoted the open circuit, full sun values? How is the wattage calculated?

Cheers, Doug.
... almost all of the Maximites, the MicromMites, the MM Extremes, the ArmMites, the PicoMite and loving it!
 
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