{"id":16723,"date":"2013-07-09T20:09:43","date_gmt":"2013-07-09T20:09:43","guid":{"rendered":"https:\/\/www.its.ac.id\/news\/2013\/07\/09\/atasi-pemadaman-bergilir-raih-gelar-doktor\/"},"modified":"2013-07-09T20:09:43","modified_gmt":"2013-07-09T20:09:43","slug":"atasi-pemadaman-bergilir-raih-gelar-doktor","status":"publish","type":"post","link":"https:\/\/www.its.ac.id\/news\/atasi-pemadaman-bergilir-raih-gelar-doktor\/","title":{"rendered":"Atasi Pemadaman Bergilir, Raih Gelar Doktor"},"content":{"rendered":"<p>Ia mengatakan,<em> block out<\/em> tersebut diakibatkan oleh fenomena <em>voltage collapse<\/em>. Pada beberapa dekade terakhir, fenomena <em>voltage collapse<\/em> di Indonesia mengalami peningkatan. Hal ini disebabkan oleh peningkatan konsumsi listrik. Sebaliknya, peningkatan pembangkit listrik dan pengembangan jaringan transmisi tidak sebanding dengan peningkatan konsumsi.&nbsp;<\/p>\n<div><\/div>\n<div>Melalui disertasinya, Gunadin menawarkan riset terbaru untuk mengatasi masalah tersebut. Riset tersebut &nbsp;berjudul <em>Penentuan Steady State Stability Limit berbasis Extreme Learning Machine<\/em> (ELM). &#8221;Metode ini memiliki keunggulan dibandingkan dua metode sebelumnya, yaitu <em>Load Flow<\/em> dan <em>Continuation Power Flow<\/em> (CPF),&#8221; tutur staf pengajar Program Studi Teknik Elektro Universitas Hasanuddin ini.<\/div>\n<div><\/div>\n<div>Pria kelahiran Palopo ini menjelaskan, kedua metode konvensional ini mempunyai kelemahan karena memasukan nilai internal reaktansi generator pada pemodelan dan analisis. Selain itu, kelemahan lain adalah dalam hal komputasi. Hal ini diakibatkan kedua metode tersebut menggunakan proses <em>looping<\/em> iterasi yang membutuhkan waktu komputasi lebih lama. Sehingga, metode tersebut tidak cocok digunakan untuk monitoring sistem secara <em>real time.<\/em><\/div>\n<div><\/div>\n<div>Salah satu metode yang tepat adalah <em>Rei-Dimo<\/em>. Akan tetapi, metode ini belum memperhitungkan pengaruh<em> load characteristic, tap changer,<\/em> dan <em>current limiter<\/em>. Pada riset kali ini, ketiga parameter tersebut diperhitungkan.<\/div>\n<div><\/div>\n<div>&#8221;Saya menggunakan <em>Neural Network <\/em>(NN) dan <em>Extreme Learning Machine<\/em> (ELM) untuk mempercepat proses komputasi,&#8221; ucap pria kelahiran 18 Nopember 1973 ini. Sehingga, penerapan penentuan indeks <em>steady state stability<\/em> pada kondisi <em>real time<\/em> monitoring dapat teralisasi dengan mudah.<\/div>\n<div><\/div>\n<div>Dengan metode ELM ini diperoleh hasil estimasi yang memiliki tingkat <em>error<\/em> lebih rendah. Sehingga, metode ELM dapat digunakan secara akurat untuk analisa <em>steady state stability<\/em>. &#8221;Harapannya, Perusahaan Listrik Negara (PLN) dapat mengimplementasikan riset ini,&#8221; pungkas Gunadin. (ady\/fi)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pemadaman bergilir memang tidak pernah terlepas dari Indonesia. Fenomena<em> block out<\/em> ini bahkan semakin besar intensitasnya pada daerah di luar Jawa-Bali. Berlatar belakang kondisi itulah, Indah Chaerah Gunadin melakukan riset untuk mengatasi permasalahan tersebut. Riset tersebut sekaligus mengantarkannya lulus dengan predikat sangat memuaskan pada sidang terbuka promosi doktor Teknik Elektro ITS, Senin (8\/7).<\/p>\n","protected":false},"author":1,"featured_media":16724,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"categories":[14],"tags":[],"class_list":["post-16723","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>Atasi Pemadaman Bergilir, Raih Gelar Doktor - 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\/atasi-pemadaman-bergilir-raih-gelar-doktor\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Atasi Pemadaman Bergilir, Raih Gelar Doktor - ITS News\" \/>\n<meta property=\"og:description\" content=\"Pemadaman bergilir memang tidak pernah terlepas dari Indonesia. Fenomena block out ini bahkan semakin besar intensitasnya pada daerah di luar Jawa-Bali. Berlatar belakang kondisi itulah, Indah Chaerah Gunadin melakukan riset untuk mengatasi permasalahan tersebut. 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