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Posts: 1
Reply with quote  #1 
Hello, I am in middle school and doing a science fair project on solar panels. I have three different configurations (one is flat roof, one is slanted roof, and the other is a mixture). I am trying to figure out which configuration would produce the most energy. I have 6 mini panels for each connected in parallel (postitives to positive and negatives to negatives). I am using a multimeter to measure the volts and amps, three different times during the day by connecting the mutlimeter to open positive and negative end of the parallel connection. Can I accurately determine which configuration is producing the most energy by multiplying the volts times the amps in this manner? Thank you in advance!


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Posts: 2,857
Reply with quote  #2 
I think you can do it but you'll need to take your readings a lot more frequently, say every hour. This will give you enough data to draw a good graph.

Youll also have to measure the angle of incidence of the sun, as this has a significant effect on your power. Even better if you can extrapolate where the sun will be for the rest of the year, and the estimated power collected.

Good luck on your project!

Solar is like the wind. It may be free, but putting it to work isn't!
Willie, Tampa Bay
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