Nove tehnologije
| CPV solarni paneli dizajnirani da plutaju na vodi |
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| Autor Leo Jerki? |
| Nedjelja, 20 VeljaÄŤa 2011 19:35 |
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Izraelska solarna kompanija Solaris Sinergy promovira plutaju?e koncentrirane fotonaponske ?elije (F-CPV) koje bi smanjile trošak fotonaponskih ?elija, te smanjile zauzetost kopnene površine potrebne za takva energetska postrojenja. Solaris Energy promovira iskorištavanje jezera, rezervoara, kanala i priobalnog mora, podru?ja gdje se ništa ne gradi ili uzgaja i koja omogu?avaju efikasno vlastito hla?enje elektronici solarne elektrane. Kompanija smještena u Jeruzalemu je osvojila prvo mjesto u tehni?kom natjecanju za ?iste tehnologije koje je održano na Tel Aviv sveu?ilištu, koje je tražilo najbolje ideje u sou?avanju sa energetskim i ekonomskim problemima svijeta.
Pošto plutaju?i solarni moduli nisu teški i nema trenja pri pomicanju cijelog sustava, za rotiranje panela je potreban samo mali motor i ra?unalna oprema. Njihovi moduli tako?er koriste manje silicija jer zbog jedinstvenog dizajna fokusiraju zrake sunca na module (?ime pove?avaju efikasnost) i imaju sustav za hla?enje sa neograni?enom koli?inom vode koji je bolji od uobi?ajenog. Solaris Energy je jedina kompanija na svijetu koja koristi „hladni silicij“ i ima 25% ve?u korisnost od uobi?ajenih sustava. Za jedan megavat je potrebno oko 2,5 hektara prostora. Kada bi Solaris Energy paneli bili instalirani na više stotina akumulacija reciklirane otpadne vode kojih ima Izrael, mogli bi proizvesti 10% do 20% potreba za elektri?nom energijom iz obnovljivih izvora energije do 2020. Voda ispod plutaju?eg solara se ne grije njihovim radom pošto samo mali dio ugrijane vode ide nazad u akumulaciju, a ve?i dio ispari. Solaris Energy osmero?lani tim je napravio mali prototip postrojenja, a drugi prototip je u Kibbutz Keturi, u pustinji Negev blizu Eilata. Izraelska vodoprivreda Mekorot koja u vlasništvu ima više od 400 državnih akumulacija je dopustila Solarisu da instalira opremu u akumulaciji blizu Jeruzalema, ?ime bi mogli otvoriti doma?e tržište. Solaris kani instalirati malu testnu elektranu pokraj Marseillesa, pod okriljem Electricite de France. Izvor: www.electroiq.com |
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