Comparing Heat Generation in Unconnected vs Connected Photovoltaic Panels

They cannot heat up more to peasant logic, because there is no current flowing through them that would heat the internal resistance. Another thing is that with such a large surface, the influence of this heating is negligible. However, the second point: if we do not drain the power, it stays in place ?????? This logic results from the wrongly interpreted principle of conservation of energy in my opinion. What is the worst of all this, I cannot fully point out the error in reasoning. I am waiting for what those "geniuses" from the University will say. It worries me a bit that he's dazed but we'll see.

Quote:

I will just ask what is your opinion on this matter? Because mine is against it.

To my HA ha ha ha ha ha ....

In my opinion, it does not matter if it is connected or not. Yes, any energy production involves the release of heat. Let us not find ourselves the reaction that takes place on the surface of the solar cell must affect itself to a greater or lesser extent. You have to approach it as with an ordinary battery (accumulator). When we recharge it, its temperature rises. When we are already using it and the effect is weaker, the effect is similar and the temperature rises. I bet that the behavior of solar batteries is similar. The only thing that can be assumed is that the batteries heat up less at the time of production without load and this temperature is negligible compared to the batteries placed under the inverter. In the latter case, the production of energy itself is associated with the production of heat, and the load generated by connecting to the inverter must also affect the temperature, and only positively. The ambient temperature does the rest. Just take the temperature in both cases or put your hand on the battery. The environment and its temperature have a great influence, which can be observed in winter. We have a downside and the power of the panels increases by 10%, as you can see, the resistance to the flowing load in the winter is lower and the efficiency is the same in terms of growth.

jaszczur1111 wrote:

Finally, there was some kind of funny discussion.

It is best to vote this problem with a majority of votes - because the laws are "unclear".
Defrosting the panel with more voltage (even under control) is Priceless.
To Erbit - Before the experts consider it precisely - it is the forehead higher and forward.

Although I thought the matter was a foregone conclusion, I inquired at the University of Warsaw.

I have an answer from several physicists who have been dealing with PV. They believe the following:

1 The panels will heat up as a result of the current flow. However, this phenomenon is almost marginal compared to the amount of heat provided by the sun.

2 In 99% (interestingly not 100 !!!) they are convinced that there is no cooling effect if we use electricity compared to not using it.

3 No power flow - no heat. Analogy to a charged battery or battery, from which we do not draw electricity, the sun creates a potential barrier in the PV, but does not generate energy on the spot. Therefore, if we do not discharge it, there is by no means a heating effect in relation to the energy discharged.

And if someone is stubborn, I suggest that they make their own measurements instead of drinking on the Electrode and refute these arguments. Maybe they'll give him a Nobel or something.

jaszczur1111 wrote:

if we do not discharge it, there is by no means a heating effect in relation to the energy discharged.

After all, it's normal to talk about here?

So Cools - Huraaa !!!
Close this topic.

Nothing cools you do not consume energy they do not heat up and that's all the ambient temperature.

Let's close this topic, because something else will slip out to someone and then they will show us with their fingers.