solar panels

Have 3x80 watt panels and a 18 amp regulator to suite. Should I wire the panels in parallel with or without the individual diode on each panel.

thanks Redeye
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Reply By: dieseltojo - Thursday, Jan 28, 2010 at 20:17

Thursday, Jan 28, 2010 at 20:17
Hi ,
Redeye 141,The diode install is to prevent current going from the battery back to the panels.
Your reg will have a safety in it to handle this any way,If you are setting up a van I suggest that a 30 amp unit may be better re future installations. Others may disagree.
AnswerID: 401522

Reply By: Member - John and Val - Thursday, Jan 28, 2010 at 20:44

Thursday, Jan 28, 2010 at 20:44
Redeye - I would expect the panels to each have 2 diodes, wired backwards (i.e.cathode to positive) to protect from reverse voltages. They should be left in position, just as the manufacturer installed them.


John
J and V
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AnswerID: 401524

Reply By: Mandrake's Solar Power- Thursday, Jan 28, 2010 at 20:53

Thursday, Jan 28, 2010 at 20:53
Yes Redeye - wire them in parallel - panel diodes and the reg will look after the night time flow back from battery as above have said ..

Cheers

Steve
AnswerID: 401527

Follow Up By: signman - Friday, Jan 29, 2010 at 10:53

Friday, Jan 29, 2010 at 10:53
Parallel?? You sure ??

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Follow Up By: Mandrake's Solar Power- Friday, Jan 29, 2010 at 11:09

Friday, Jan 29, 2010 at 11:09
Unless he wants 36 volt output in series - Yep !!

Cheers

Steve
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