Thanks for posting and more importantly the examples of shading. On a 12v system, I normally wire in parallel to keep the wattage coming in since shading varies through out the day. I have also deployed portable set ups with long cables and put the panels in sun and in those scenarios, use a series configuration to minimize voltage losses on the long cables. Cheers.
It is a great test. However, when you tested the serial connection, you should've shaded another panel too, because it matters which panel is connected to the battery.
Very helpful..thanks! I have been thinking about changing the wiring of a 750 watt ground string of 3 panels for my RV. I also have 1300 watts on the roof of the trailer. I am in on and off shade at this time of year for a lot of the day and was wondering how much wiring in parallel would help. This video gives me a much better idea of how much I would gain, and it actually is not as much as I thought.
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You experiment is critical for boat installations where each panel should have its own MPPT and work wih the highest VMP value panels. Thanks!
Thanks for posting and more importantly the examples of shading. On a 12v system, I normally wire in parallel to keep the wattage coming in since shading varies through out the day. I have also deployed portable set ups with long cables and put the panels in sun and in those scenarios, use a series configuration to minimize voltage losses on the long cables. Cheers.
It is a great test. However, when you tested the serial connection, you should've shaded another panel too, because it matters which panel is connected to the battery.
Thanks for posting. good info
Very helpful..thanks! I have been thinking about changing the wiring of a 750 watt ground string of 3 panels for my RV. I also have 1300 watts on the roof of the trailer. I am in on and off shade at this time of year for a lot of the day and was wondering how much wiring in parallel would help. This video gives me a much better idea of how much I would gain, and it actually is not as much as I thought.