{"id":21517,"date":"2015-10-08T05:52:56","date_gmt":"2015-10-08T05:52:56","guid":{"rendered":"https:\/\/www.its.ac.id\/news\/2015\/10\/08\/mahasiswa-its-hasilkan-listrik-gelombang-air\/"},"modified":"2015-10-08T05:52:56","modified_gmt":"2015-10-08T05:52:56","slug":"mahasiswa-its-hasilkan-listrik-gelombang-air","status":"publish","type":"post","link":"https:\/\/www.its.ac.id\/news\/mahasiswa-its-hasilkan-listrik-gelombang-air\/","title":{"rendered":"Mahasiswa ITS Hasilkan Listrik Gelombang Air"},"content":{"rendered":"<p>Kelompok yang dipimpin Mohammad Rizky Febrianto ini memang memanfaatkan kekuatan gelombang untuk dapat memutarkan sebuah turbin. Energi putaran turbin itulah yang kemudian dikonversi untuk menghasilkan listrik. Dengan konsep sederhana tersebut, ia membawa Rizki Fadila, Gilang Maulana, Afriyanto, dan Muhammad Hidayatullah melenggang ke Pimnas 28.<\/p>\n<p>Dengan menggunakan material akrilik, kelima mahasiswa ITS ini membentuk wadah berukuran 100x60x60 sentimeter. Di bagian atas wadah tersebut sendiri mereka sediakan rongga untuk memasang katup dan menempatkan generator diantaranya. Sistem ini disebut mereka sebagai <em>ocilatting water column<\/em>.<\/p>\n<p>Dikatakan Rizky, cara kerja alat ini adalah dengan menghasilkan gelombang pada kolom air. Dengan sistem tertutup pada setengah wadah, gelombang air akan mengubah tekanan udara wadah. Dengan demikian, udara akan mengalir lewat katup dan memutar generator untuk menghasilkan listrik. Hal yang dikembangkan dari alat ini adalah penggunaan sistem katub dua arah.<\/p>\n<p>Saat ini, <em>wave modifier <\/em>yang dapat menghasilkan listrik hanya dapat digunakan ketika air laut pasang. Namun ketika surut, <em>wave modifier <\/em>tidak mampu menghasilkan listrik. Setelah berulangkali menguji sistem katup, pihaknya berhasil merangkai sistem katup bolak balik. &quot;Karenanya, listrik dapat dihasilkan bahkan ketika gelombang air sedang surut,&quot; jelasnya pada ITS Online.<\/p>\n<p>Untuk tahap pengerjaannya, kelimanya membutuhkan waktu dua bulan untuk bongkar pasang alat. Hingga akhirnya, mereka menemukan sistem katup yang sesuai harapan. &quot;Pengerjaan akhir setelah menemukan sistem yang tepat hanya membutuhkan waktu dua minggu,&quot; lanjutnya. Setelah melakukan pengujian, Rizky menemukan bahwa alat tersebut mampu menghasilkan listrik sebesar 3,2 volt. Berkat sistem katup bolak-balik itu, ia mengatakan tingkat efisiensi alatnya dapat mencapai 24 persen.<\/p>\n<p>Ketika berlaga di Pimnas 28, alat tersebut pun ternyata cukup kuat menarik perhatian dewan juri. Berbagai pertanyaan dilontarkan dan berhasil dijawab kelimanya dengan lugas. Namun, ketika mengikuti Gelar Karya Mahasiswa (GKM) mereka mengalami hambatan yang membuat tim juri terlambat menilai poster mereka. Pun demikian, tim ini mendapatkan nilai tertinggi dan berhasil mengantongi salah satu medali emas bagi kampus perjuangan. &nbsp;&quot;Rasanya gembira sekali mampu &nbsp;menyumbangkan medali emas untuk ITS,&quot; pungkasnya. (ven\/man)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sebagian besar wilayah negara Indonesia merupakan daerah perairan. Namun, pemanfaatan bidang kemaritiman masih belum termaksimalkan. Apalagi, memanfaatkan lautan untuk menghasilkan energi listrik, rasanya merupakan langkah yang sulit bagi Indonesia. Akan tetapi, ditangan 5 orang mahasiswa ITS, lautan Indonesia dapat menghasilkan listrik dalam jumlah yang besar. Dirasa paling mungkin untuk diaplikasikan, dewan juri Pimnas 28 mempercayakan medali emas kepada tim ini.<\/p>\n","protected":false},"author":1,"featured_media":21518,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14],"tags":[],"class_list":["post-21517","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-berita-utama"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mahasiswa ITS Hasilkan Listrik Gelombang Air - ITS News<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.its.ac.id\/news\/mahasiswa-its-hasilkan-listrik-gelombang-air\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mahasiswa ITS Hasilkan Listrik Gelombang Air - ITS News\" \/>\n<meta property=\"og:description\" content=\"Sebagian besar wilayah negara Indonesia merupakan daerah perairan. 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