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100 watt shade tolerant flexible solar panel: test 1
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- เผยแพร่เมื่อ 7 ก.ค. 2024
- I bought a "Shade Stopper" solar panel. In this video we test three 100 watt solar panels side by side:
1. Shade Stopper
2. ECO-WORTHY
3. Renogy
This test is just an open air test with minimal shading to see if the shade stopper technology offers any advantage.
Interesting stuff, I’ll look into Shade Stopper as I get considerable shading on my off grid arrays.
I'd be curious to see your results. This wasn't the best test for actual shading - but if it works, I feel like it's a game changer.
Wild. A bypass Diode. Makes perfect sense.
For real. Finally someone did it.
Very interesting data, although there are a lot of possible explanations for the variation in output between the ShadeStopper & Renogy panels, which is only 9% overall in favor of the ShadeStopper. As you noted, the behavior of the MPPT controllers could have some effect. The fact that they are both rated at 100W doesn't mean their actual output would be the same under any given condition, and some manufacturers tend to be more conservative in their ratings than others. And I don't know about the ShadeStopper panels, but some flexible panels have a "pebbly" surface that they claim allows for more light collection at off-angles. It appears there may be slight variations in the angles/direction in your setup, and they're certainly not going to be pointing in the perfectly optimal direction most of the time in any event. Still, it's a significant difference overall. Will be interesting to see how well the bypass diode arrangement works.
Good point on the variations, I'll need to tighten up the experiment to improve the accuracy. But yes, I agree, the bypass diode arrangement is what has me most interested.