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Shade and solar panels

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Uploaded by on Jun 11, 2007

Demonstrates the effect of shade on photovoltaic panels powering a small water pump.

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Howto & Style

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  • Great video. Is that a Toskana SunJet 150 Mini Solar Pump? Looks like it but the panel looks a little bigger in your video.

  • Indeed, current drops because cells are connecting in sereis:

    it is as you take long but narrow river, and drop stone in one place: you will practically stop all current!

    The same for PV pannels: for example, shaddow from arm above PV pannel will cut current let's say from 5 A to 2,5 A!

    Even 1-3 cells shaddowed will dramatically reduce PV power: all these need to take into account, do not installing PV pannels in places, where tree's etc shaddows will drop on it during the day.

  • What brand is the pump/kit?

  • is that a 20w solar panle?

  • What brand is the pump/kit?

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