{"id":308,"date":"2023-06-22T01:14:15","date_gmt":"2023-06-22T01:14:15","guid":{"rendered":"https:\/\/physigeek.com\/id\/kunci-termal\/"},"modified":"2023-06-22T01:14:15","modified_gmt":"2023-06-22T01:14:15","slug":"kunci-termal","status":"publish","type":"post","link":"https:\/\/physigeek.com\/id\/kunci-termal\/","title":{"rendered":"Kunci termal"},"content":{"rendered":"<p>Artikel ini menjelaskan apa itu kunci termal dan kegunaannya. Selain itu, karakteristik utama kunci termal dan pengoperasian perangkat listrik ini disajikan. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-una-llave-termica\"><\/span> Apa itu kunci termal?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <strong>Kunci termal<\/strong> , disebut juga <strong>kunci magnetik termal<\/strong> , adalah alat pengaman yang memutus aliran arus listrik bila melebihi batas. Dengan kata lain, kunci termal adalah perangkat yang secara otomatis memutus aliran listrik jika terjadi kelebihan beban.<\/p>\n<p> Kunci termal berfungsi untuk melindungi elemen rangkaian listrik lainnya, karena terputusnya arus listrik mencegah terjadinya kerusakan akibat kegagalan rangkaian.<\/p>\n<p> Kunci termal terutama terdiri dari dua bagian: elektromagnet dan strip bimetalik. Demikian pula, pengoperasian kunci termal didasarkan pada hukum Ampere dan efek Joule. Pengoperasian alat listrik jenis ini dijelaskan di bawah ini. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Como-funciona-una-llave-termica\"><\/span> Bagaimana cara kerja kunci termal?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Sekarang setelah kita mengetahui definisi kunci termal, mari kita lihat cara kerja perangkat listrik jenis ini.<\/p>\n<p> Namun, Anda harus mengetahui terlebih dahulu apa itu efek Joule untuk memahami cara kerja kunci termal. Hukum fisika ini menjelaskan bahwa setiap penghantar yang dilintasi arus listrik akan melepaskan panas, sehingga semakin besar intensitas arus maka semakin besar pula energi panas yang hilang. Konkretnya, energi yang dilepaskan kabel berbanding lurus dengan kuadrat intensitas arus.<\/p>\n<p> Oleh karena itu, semakin besar intensitas arus, semakin banyak panas yang dihasilkan rangkaian listrik dan, akibatnya, kunci termal akan semakin panas.<\/p>\n<p> Jadi, <strong>pengoperasian kunci termal<\/strong> didasarkan pada panas yang dilepaskan oleh arus listrik yang menyebabkan pemuaian dan kelengkungan strip bimetal di dalam kunci termal. Hingga mencapai batas suhu di mana deformasi lembaran menyebabkan kontak kunci termal terbuka dan kemudian aliran arus terputus.<\/p>\n<p> Di sisi lain, kunci termal memiliki elektromagnet yang, dengan bantuan perangkat mekanis yang sesuai, juga dapat membuka rangkaian listrik. Operasi ini sangat mirip dengan <a href=\"https:\/\/physigeek.com\/id\">operasi relay<\/a> .<\/p>\n<p> Biasanya, sakelar termal memutus aliran arus dalam proses termal jika terjadi kelebihan beban. Proses kemagnetan biasanya terjadi pada saat terjadi hubungan pendek, karena reaksi dalam kasus ini harus jauh lebih cepat. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Caracteristicas-de-una-llave-termica\"><\/span> Karakteristik kunci termal<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Untuk memasang kunci termal yang sesuai pada sirkuit listrik, parameter karakteristik berikut harus diperhitungkan:<\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:18px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Arus terukur<\/strong> : intensitas arus listrik di mana kunci termal dirancang untuk beroperasi.<\/span><\/li>\n<li style=\"margin-bottom:18px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Tegangan Pengoperasian<\/strong> : Tegangan atau tegangan yang dirancang untuk kunci pas termal.<\/span><\/li>\n<li style=\"margin-bottom:18px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Daya potong<\/strong> : intensitas maksimum yang dapat diinterupsi dengan aman oleh kunci termal. Nilai daya pemotongan harus jauh di atas nilai intensitas maksimum yang diharapkan untuk memastikan pengoperasian kunci termal yang benar.<\/span><\/li>\n<li style=\"margin-bottom:18px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Daya penutupan<\/strong> : intensitas maksimum yang dapat mengalir melalui kunci termal pada saat penutupan tanpa merusaknya.<\/span><\/li>\n<li style=\"margin-bottom:18px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Jumlah kutub<\/strong> : Ini adalah jumlah konduktor yang dapat dihubungkan ke kunci termal.<\/span> <\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Diferencia-entre-una-llave-termica-y-un-disyuntor\"><\/span> Perbedaan antara kunci termal dan pemutus arus<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Terakhir, kita akan melihat perbedaan antara kunci termal dan pemutus arus, karena keduanya adalah jenis perangkat listrik yang sangat mirip.<\/p>\n<p> Seperti halnya kunci termal, <strong>pemutus arus<\/strong> juga digunakan untuk memutus aliran arus listrik bila melebihi batas.<\/p>\n<p> Namun, <strong>perbedaan utama antara kunci termal dan pemutus arus<\/strong> adalah bahwa pemutus arus dirancang untuk melindungi manusia, sedangkan kunci termal hanya melindungi perangkat listrik lain dalam instalasi.<\/p>\n<p> Oleh karena itu, disarankan untuk memasang sakelar termal dengan kaliber lebih kecil daripada pemutus arus &#8220;hulu&#8221;, karena dengan cara ini sakelar termal akan melindungi pemutus arus, yang umumnya lebih mahal daripada sakelar termal. <\/p>\n<div style=\"background-color:#FFFDE7; padding-top: 10px; padding-bottom: 10px; padding-right: 10px; padding-left: 20px; border: 2.5px dashed #FFB74D; border-radius:20px;\"> <span style=\"color:#ff951b\">\u27a4<\/span> <strong>Lihat:<\/strong> <a href=\"https:\/\/physigeek.com\/id\/pemutus-arus\/\">Pemutus arus<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Artikel ini menjelaskan apa itu kunci termal dan kegunaannya. Selain itu, karakteristik utama kunci termal dan pengoperasian perangkat listrik ini disajikan. Apa itu kunci termal? Kunci termal , disebut juga kunci magnetik termal , adalah alat pengaman yang memutus aliran arus listrik bila melebihi batas. Dengan kata lain, kunci termal adalah perangkat yang secara otomatis &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/id\/kunci-termal\/\"> <span class=\"screen-reader-text\">Kunci termal<\/span> Baca selengkapnya &quot;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[6],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Apa itu kunci termal? 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