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Konverter Energi Ombak menghasilkan listrik bagi 1500 rumah

Posted by sroestam pada 26 Januari 2009

Indonesia adalah sebuah negara kepulauan terbesar di Dunia, maka sangat wajar bila Indonesia mengandalkan energi untuk penduduknya dari Energi Gelombang Laut untuk memenuhi kebutuhan mereka akan energi. Ini adalah sebuah solusi yang sangat tepat dan strategis bagi bangsa dan negara Indonesia. BPPT pernah membangun sumber energi gelombang laut di pantai selatan Pulau Jawa yang dapat menghasilkan daya listrik beberapa kWatt, namun efisensinya relatif masih rendah. Disain BPPT mendasarkan konversi energi ombak ke tekanan udara, kemudian angin yang ditimbulkannya mendorong turbin listrik. Disain sumber energi gelombang laut dari Portugal dibawah in berdasarkan konversi energi turun-naiknya gelombang laut langsung ke piston-piston untuk mendorong air untuk memutar motor listrik, sehingga secara prinsip efisiensinya lebih tinggi. Juga ada perbedaan lokasi, kalau disain BPPT lokasinya ada ditepi pantai, sedangkan disain Portugal diletakkan lebih ketengah laut. Piston-piston dibuat stasioner dan diikat kedasar laut, sedangkan casing-nya berbentuk tabung metal memanjang dibiarkan naik-turun sesuai irama gelombang laut. Energi listrik yang dihasilkannya dikirim kedarat melalui kabel-kabel listrik bawah-laut. Produk energi gelombang laut dari Portugal ini dinamai “Aqucadoura” yang terdiri dari tiga rangkaian Konverter Energi Gelombang yang dapat menghasilkan daya listrik sebesar 2,25 MegaWatt, cukup untuk memenuhi kebutuhan listrik bagi 1.500 rumah di Portugal (kalau di Indonesia bisa untuk 3.000 rumah, sebab kebutuhan listrik tiap rumahtangga Indonesia lebih sedikit). Dua buah foto dibawah ini cukup untuk menggambrkan bagaimana Aquacadoura ini beroperasi.

Konverter Enegi Ombak Aqucadoura

Konverter Enegi Ombak Aquacadoura

Panjang tiap rangkaian Konverter Energi Ombak ini adalah sekitar 140 meter. Bila rangkaian Konverter Energi ini kita gelar disepanjang pantai lautan di dunia, maka akan dapat dibangkitkan Energi Listrik sebesar 2 Tera Watts, cukup untuk dua kali kebutuhan energi listrik dunia.

Rangkaian 3 Konverter Energi Ombak

Rangkaian 3 Konverter Energi Ombak

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