Integration problem with a power/time curve
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David
on 21 Jun 2011
Commented: Thsmia Kausser
on 25 Mar 2024 at 7:57
Hi everyone. First time poster, so be kind!
Hopefully, this is quite a simple problem for somebody to help me out with.
The above image shows a power/time curve which represents the power output of a solar PV module. Obviously the area under the curve is daily output energy of the module. I want to find this figure but am a little stumped by the decimalised time. 0.3 & 0.7 represent roughly 7am & 5pm respectively of a typical February day in the UK.
Currently trapz of the curve (obviously) gives me the wrong answer. Ideally, I want the energy yield in Wh.
Any ideas?????
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Accepted Answer
Matt Fig
on 21 Jun 2011
trapz(x,y) should give you W-Day. So take that answer and multiply by 24.
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