"Thanks for responding,Don. Wire gauge from panels to controller is 12 gauge as it's only about 15 feet. Only have 4, 35 amp hr batteries for now. All I could afford & wanted to get started right away. Controller is 2000w 160 amp. Got one…"
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Don Dunklee commented on dan baker's blog post cloudy days"What gauge wire are you using from panels to house? If gauge too small, when output increases to the point the wiring heats and increases resistance. What polarity do you have on the bike? One of my windmills starts charging below…"
dan baker commented on dan baker's blog post cloudy days"Thank you for responding. I agree with your assessment as it seems logical, but also, since last June when I put the panels in service we have gone through the 1st winter. They surely do love the cold. On cold days with even low sunlight they charge…"
Don Dunklee commented on dan baker's blog post cloudy days"This is correct Tim, My farm has been off grid for nearly 28 years and the highest amp charges are on the days when it is below zero and bright sun. This much difference means the heat has no way to leave the panels. Need a way to…"
Timothy Benoit commented on dan baker's blog post cloudy days"This could directly be related to the fact that solar panels will lose efficiency as they heat up. The cloudy days may be cooler and therefore allow the panels to work better than when the sun is shining on them directly and heating them up."
dan baker posted a blog postcloudy days
I built 5, 60w solar panels. Checked voltage before & after mounting on roof. Each produced 18.5v or more. Since i live at 41 degrees N. lat. I mounted them facing due south and at 41 degrees. They only produced about 14v at noon. I played with the angle and found 13 degrees worked best. They've been in service 6 wks now and I've noticed that they charge best from 7:00 to 10:00 am. And here is the wierd thing. On sunny days, they can barely charge 4, 35ah batteries to capacity. But on…See More
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Dan baker's Blog
cloudy days
I built 5, 60w solar panels. Checked voltage before & after mounting on roof. Each produced 18.5v or more. Since i live at 41 degrees N. lat. I mounted them facing due south and at 41 degrees. They only produced about 14v at noon. I played with the angle and found 13 degrees worked best. They've been in service 6 wks now and I've noticed that they charge best from 7:00 to 10:00 am. And here is the wierd thing. On sunny days, they can barely charge 4, 35ah batteries to capacity. But on… Continue
Posted on July 18, 2010 at 12:44pm — 5 Comments
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