{"id":1220,"date":"2024-04-27T02:13:24","date_gmt":"2024-04-26T19:13:24","guid":{"rendered":"http:\/\/www.tneutron.net\/elektro\/?p=1220"},"modified":"2024-04-24T07:54:22","modified_gmt":"2024-04-24T00:54:22","slug":"pengukuran-daya-listrik-satu-fasa","status":"publish","type":"post","link":"https:\/\/www.tneutron.net\/elektro\/pengukuran-daya-listrik-satu-fasa\/","title":{"rendered":"Pengukuran Daya Listrik Satu Fasa"},"content":{"rendered":"<p>Pengukuran daya pada sistem arus balik dibedakan menjadi tiga janis daya, yaitu<br \/>\n&#8211; Daya semu ( S ) yang diukur dalam satuan VA atau kVA<br \/>\n&#8211; Daya Aktif ( P ) yang diukur dalam satuan watt atau kW<br \/>\n&#8211; Daya Reaktif ( Q ) yang diukur dalam satuan VAR atau kVAR<\/p>\n<p>Hubungan antara ketiga daya tersebut dapat dijelaskan dengan mudah melalui segitiga daya, sebagai berikut :<br \/>\n<a href=\"http:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2016\/01\/image-24.png\"><img loading=\"lazy\" decoding=\"async\" style=\"background-image: none; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-width: 0px;\" title=\"image\" src=\"http:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2016\/01\/image_thumb-25.png\" alt=\"image\" width=\"318\" height=\"132\" border=\"0\" \/><\/a><br \/>\nGambar 7.1 Diagram Segitiga Daya<\/p>\n<p>Sesuai dengan Hukum Pitagoras, maka hubungan ketiga daya tersebut secara matematis dapat ditentukan sebagai berikut:<br \/>\nCos \u03b1 = Daya Aktif \/ Daya Semu<br \/>\nSin \u03b1 = Daya Reaktif \/ Daya Semu<\/p>\n<p>Dari dua persamaan di atas dapat kita ubah menjadi :<br \/>\nDaya Aktif = Daya semu x Cos \u03b1<br \/>\nDaya Semu = Daya Aktif \/ Cos \u03b1<br \/>\nDaya Reaktif = Daya Semu x Sin \u03b1<\/p>\n<p>Jadi, jika dua parameter diketahui maka parameter lainnya dapat ditentukan. Bila daya semu diketahui dan besar beda fasa antara daya aktif dan daya semu diketahui maka nilai daya aktifnya dapat ditentukan. Sebagai contoh, diketahui daya semu S = 50 kVA, dan sudut beda fasanya 60 derajad busur, maka daya aktif P = 50 kVA x cos 600 = 25 kW<br \/>\nContoh lain, diketahui daya semu S = 50 kVA, dan Daya Aktif P = 25 kW, maka daya reaktif kVAr<\/p>\n<p>Pengukuran daya semu (Q) dapat dengan mudah dilakukan dengan mengukur tegangan dan arus yang ada pada suatu rangkaian arus bolak-balik seperti diperlihatkan pada gambar 7.2.<br \/>\n<a href=\"http:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2016\/01\/image-27.png\"><img loading=\"lazy\" decoding=\"async\" style=\"background-image: none; padding-top: 0px; padding-left: 0px; display: inline; padding-right: 0px; border-width: 0px;\" title=\"image\" src=\"http:\/\/www.tneutron.net\/elektro\/wp-content\/uploads\/sites\/2\/2016\/01\/image_thumb-27.png\" alt=\"image\" width=\"287\" height=\"130\" border=\"0\" \/><\/a><br \/>\nGambar 7.2 Rangkaian Pengukuran Daya Semu ( S ) Langsung<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pengukuran daya pada sistem arus balik dibedakan menjadi tiga janis daya, yaitu &#8211; Daya semu ( S ) yang diukur<\/p>\n","protected":false},"author":1,"featured_media":1219,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[1700],"tags":[1715,1716,1719,1711,1718,1712,1720,1714,1717,1713],"class_list":["post-1220","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pengukuran-daya-listrik","tag-contoh-penggunaan-daya-satu-fasa","tag-daya-1-fasa","tag-daya-listrik-satu-fasa","tag-daya-satu-fasa","tag-laporan-daya-satu-fasa","tag-pengertian-daya-satu-fasa","tag-pengertian-pengukuran-daya-satu-fasa","tag-penggunaan-daya-satu-fasa","tag-pengukuran-daya-satu-fasa","tag-rumus-daya-satu-fasa"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - 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