Nove tehnologije
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| Autor Leo Jerki? |
| Petak, 01 Travanj 2011 06:37 |
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Plutaju?i temelji koji služe kao platforma za dobivanje elektri?ne energije iz vjetra i valova. To je Posejdon – vjetar i valovi u jednom. Projekt Posejdon je razvio Floating Power Plant A/S (FPP), Danska kompanija koja ima patent na projekt Posjedon. Tokom zadnjih 10 godina FPP je uspio razviti aktualnu jedinicu u pogonu kroz dizajniranje i modeliranje i testiranje razli?itih modela. Danas FPP u pogonu ima 360 tona tešku, 37 metara široku, 25 metara dugu i šest metara visoku demonstracijsku hibridnu elektranu koja koristi obnovljive izvore energije. To je prva elektrana takve vrste ikad napravljena, te je u rujnu 2008. postavljena kraj obale Lollanda u južnoj Danskoj u zaljevu Nakshkov.
Sam koncept Posejdona je nastao još 1980. godine, a 1996. je ubrzan njegov razvoj i koncept je prošao testove u skaliranim modelima ovih veli?ina: 2,4 metarski testni sustav (skala 1:100 od 240 m sustava) 15 metarski test plutanja (skala 1:25 od 375 m sustava) 8,4 metarski test sustav (skala 1:50 od 420 m sustava).
Posejdon je unikatan projekt iz više razloga:
Posejdon je dizajniran da bude usidren na otvorenom moru u dubokim vodama, s visokim valovima i dobrim uvjetima vjetra, te u takvim uvjetima 240 metara široka platforma može godišnje proizvesti do 50 GWh elektri?ne energije. Posejdon je prva platforma koja efikasno može koristiti obnovljive izvore energije na dubinama ve?im od 35 metara. Koriste?i vjetar i valove FPP dobrim dijelom rješava i poznati problem intermitentnosti obnovljivih izvora energije - posebice vjetra, a to omogu?avaju valovi koji su puno stabilniji i lakše predvidiv izvor energije od vjetra, pogotovo u dubokim vodama. Posejdon je tako?er jednostavan za servisiranje jer se tokom cijele godine servisni brod može spojiti na platformu - pošto se prednji dio platforme automatski okre?e prema valovima, zadnji dio je uvijek zašti?en te tamo brod može uvijek pristati. Infrastruktura je uvijek skupa kada se radi na otvorenom moru, ali Posejdon zbog svoje velike snage omogu?ava da se investicijski troškovi po proizvedenom kWh energije zna?ajno smanje. Izvor: www.floatingpowerplant.com |
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