Please critique my system

1 Posts
Jun 25, 2012 04:38 pm
Please critique my system

I would like to power 8 LED lights, 15 watts each. could someone please critique my system and tell me if the wiring is correct? Should I wire the panels in series or parallel, i've been looking at Siliken 245W panels.
12 Posts
Jun 25, 2012 07:35 pm
Re: Please critique my system

How you wire your panels is going to depend somewhat on your choice of charge controller and voltage of the panels. I've found that wiring the panels in parallel to the controller is better, because it allows the full current of each panel to reach the controller, at the nominal input voltage of the controller, when the panel voltage is matched to the charge controller.

Having said that, there may be cases where the charge controller can operate at higher voltages and a series configuration will work. I don't want to sound like a know it all, but I'm pretty sure you want a parallel wiring configuration. It's also better to be in parallel if it's possible for one panel to go into shade while others have full sun.

The rest looks Ok to me. You'll probably want some fuses and a lightning arrestor. I have a fuse between my photovoltaics and my charge controller that limits to the amperage to that of the controller. I also have a 300A fuse between the battery bank and the inverter.

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