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Benefit of cold panels


Leshen
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18 minutes ago, Adri said:

What are "çold panels" ?

How do they differ from conventional PV panels?

They are PV panels but because of the rainy/cloudy weather, their temperature is cool/cold when compared to when it is sunny 😉

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On 2021/03/25 at 1:11 PM, leshen said:

Totally cloudy day today in Jhb. Sun was out for 2 mins and production from a 9360w array reached 10400w. 

 

Did you happen to take note of the change in voltage between warm and cold panels? Here you get almost 15% more power, so presumably this gain is split between voltage and current increase. It will be interesting to see how much this can increase the Voc so we get an idea of how much room we need to leave so we never hit the inverters max voltage.

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35 minutes ago, Paul Greeff said:

Did you happen to take note of the change in voltage between warm and cold panels? Here you get almost 15% more power, so presumably this gain is split between voltage and current increase. It will be interesting to see how much this can increase the Voc so we get an idea of how much room we need to leave so we never hit the inverters max voltage.

 

231B4356-8E9C-4FA2-888E-1C67F81F5CC0.jpeg

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