SOLAR PANEL WITH A FRESNEL LENS CPV CONCENTRATED PHOTOVOLTAIC PV SOLAR CONCENTRATOR FREE ENERGY

May 19, 2011 by  
Filed under Wind and Solar

www.greenpowerscience.com Boosting the power of a solar panel by using a Fresnel Lens and doubling the sunlight reaching the panel.

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25 Responses to “SOLAR PANEL WITH A FRESNEL LENS CPV CONCENTRATED PHOTOVOLTAIC PV SOLAR CONCENTRATOR FREE ENERGY”
  1. sailorhaijun says:

    this is a completely different use for the lens, but i saw some youtube videos not too long ago about people making soda can heaters by removing the bottoms of cans and caulking them together to make tubes, where the lid of the cans compartment it so the sun has time to heat the air inside. just painted black the system turned 40 degree air into 200 degree air. i hope you see where I’m going with the focused lens… i also saw some of water heaters working similarly. hope this sparks good ideas!

  2. fatherschild721 says:

    your popcorn exercise was great, you should have tried heating a material that can maintain heat , and please the pot /pan like a hot plate or grillet top

  3. rendinealis says:

    good demonstration =D

    r u working with any company developing CPV?
    need some info with non-imaging optics

    but fresnel lens sure rocks!

  4. waluum says:

    Is it practical, or even possible, to make micro lenses with the same angular patterns as the Fresnel lens to place over each solar cell to maximize its input? Perhaps sheets of these can be made to match the size and cell-per-inch for solar panels?

  5. Matsutom says:

    Thx Dan

  6. tonnoenergy says:

    When focus sunlight on a PV do not have to watch the voltage but the current is much higher.

  7. jamjr1972 says:

    now someone needs to make a solar panel that can handle the full power a fresnel lens gives! then find a way to harnest the power in a cell for night use!

  8. karma7463AndSomeMore says:

    Why not combine this idea with a flat plate thermal system. Not only could you cool the solar cells but you could harness the surplus energy (heat).

  9. marshalmathers88 says:

    @karma7463AndSomeMore : it would help if you’d give a practical example

  10. karma7463AndSomeMore says:

    @marshalmathers88: I’m sure it would be helpful but I’m not technically skilled. I was just thinking that there are systems that use solar heat to provide for hot domestic water. Since this video proclaims an abundance of heat I just put one and two together. There probably would be a conflict since one systems needs to stay cool (PV) where the other actually needs to be hot (solar thermal). However there may be a sweet spot in the middle somewhere. Just my 2 cents…

  11. marshalmathers88 says:

    @karma7463AndSomeMore i wasnt being sarcastic honey
    i wz askin for a process design or a layout to help understand u better

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  13. lm37smh says:

    Dan, you could use some copper pipe and double as a solar water heater. Cool the panel, make hot water WIN – WIN

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  15. falserunes says:

    you can just use the solar panel as a backing in a flat tank filled with propylene glycol and run the house water through it in snake fashion. The glycol will act as a heat medium and keep the pipes from corroding. you might try painting the exposed side of the pipes with flat black paint.

  16. mikewm9v says:

    there are three screens on most projection tvs, the inside screen is always the reticule or circular screens like your frames. the vast majority of all projo crt tvs use the same setup with delta lenses on the crts which themselves are potent light concentrators and maybe telescope parts. the outside screen is a lenticular lense similar to the reticule . dont know the potential of the lenticular or whether it can be curved or focal length

  17. mikewm9v says:

    find a defocused lense that will bath or illuminate the entire surface of the cell evenly heating the cell deteriorates it looking for solar power for dc water circulator pumps and heat exchangers from surplus parts . use glass or plexi rod as lense cut in half or as rod or shaped with tubing containing water . cheap pool heaters roof or ground mounted

  18. GameOver1260 says:

    Instead of cooling the cell down, why not use a molten cell with electromagnetic controls in a municipal solar environment?

  19. walp86 says:

    Nice with ~2.4 more power with added Fresnel lens at short focal length.

    Sad with only ~1.4 more for the mirror..

    Why not just do as most people say, watercool it by dripping small amounts of water from a microperforated copper tube, supplied from a large rain water reserve trough? Gravity will do the work for you!

  20. walp86 says:

    Stupid youtube-bugs…

  21. goldenspyder says:

    the peltier device that converts thermal differential to electricity.

    It still looks like it requires cooling but could be a bonus step

  22. dobneyscott says:

    y not have a gray water system that will pump the water in to cool the panel

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  24. Wireball says:

    Attach a waterblock to the back of the solar panel. This is similar to Kaje01’s water flowing suggestion. I saw some panels with water blocks soldered onto the back at C&H Surplus a few years ago (it seems that others have thought of this too). Of course, if the water pump fails or a leak develops, you’re in trouble.

    A low maintenance solution is giant finned aluminum heatsinks on the back of the panels. Make sure there’s enough spacing between the fins for convection.

  25. Tadesan says:

    @atomicfrog2000 Great suggestion atomicfrog! You could use your bright idea to make a “safety magnifying glass” which does not burn things! Just coat the front surface, then try the back, then try both. Because the film will block the heat, you could use it in any application where the dammage caused by the sun’s heat is of concern. It could be used for instance, to provide full brightness, high magnification, solar viewing, without the danger of injury.

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