{"id":80729,"date":"2024-01-14T13:17:15","date_gmt":"2024-01-14T13:17:15","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/"},"modified":"2024-01-20T10:01:14","modified_gmt":"2024-01-20T10:01:14","slug":"por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/","title":{"rendered":"Por que as linhas el\u00e9tricas a\u00e9reas s\u00e3o feitas de alum\u00ednio"},"content":{"rendered":"<h2>Condutividade El\u00e9trica e Linhas de Transmiss\u00e3o A\u00e9reas<\/h2>\n<p>Os condutores el\u00e9tricos s\u00e3o materiais essenciais na transmiss\u00e3o de energia, permitindo que a corrente el\u00e9trica flua com m\u00ednima resist\u00eancia. Em termos simples, eles possuem alta condutividade el\u00e9trica. Geralmente, os condutores s\u00e3o metais como cobre, prata, ouro e alum\u00ednio, mas tamb\u00e9m podem incluir alguns n\u00e3o-metais, como o grafite. Nos materiais condutores, os el\u00e9trons podem mover-se livremente, facilitando a passagem da corrente el\u00e9trica, tornando-os \u00fateis em v\u00e1rias aplica\u00e7\u00f5es el\u00e9tricas, como fia\u00e7\u00e3o, circuitos e dispositivos eletr\u00f4nicos.<\/p>\n<h2>Por que as Linhas de Transmiss\u00e3o A\u00e9reas s\u00e3o Feitas de Alum\u00ednio?<\/h2>\n<p>As linhas de transmiss\u00e3o a\u00e9reas frequentemente utilizam alum\u00ednio ao inv\u00e9s de cobre ou outros materiais. Isso se deve a v\u00e1rias raz\u00f5es:<\/p>\n<ul>\n<li><strong>Leveza:<\/strong> O alum\u00ednio \u00e9 mais leve que o cobre, facilitando e tornando mais econ\u00f4mico seu transporte e instala\u00e7\u00e3o.<\/li>\n<li><strong>Custo-benef\u00edcio:<\/strong> O alum\u00ednio \u00e9 menos dispendioso que o cobre, representando uma op\u00e7\u00e3o mais econ\u00f4mica para aplica\u00e7\u00f5es em larga escala, como a transmiss\u00e3o de energia.<\/li>\n<li><strong>Resist\u00eancia \u00e0 corros\u00e3o:<\/strong> O alum\u00ednio possui resist\u00eancia natural \u00e0 corros\u00e3o, podendo suportar a exposi\u00e7\u00e3o aos elementos e durar mais tempo que outros metais.<\/li>\n<li><strong>Alta condutividade:<\/strong> Embora a condutividade do alum\u00ednio seja inferior \u00e0 do cobre, ainda assim \u00e9 consideravelmente alta em compara\u00e7\u00e3o a outros metais. Isso significa que ele pode conduzir eletricidade de maneira eficiente, sendo adequado para uso em linhas de transmiss\u00e3o.<\/li>\n<\/ul>\n<p>Portanto, a combina\u00e7\u00e3o de leveza, custo-benef\u00edcio, resist\u00eancia \u00e0 corros\u00e3o e boa condutividade torna o alum\u00ednio um material ideal para linhas de transmiss\u00e3o a\u00e9reas.<\/p>\n<h2>Ligas de Alum\u00ednio em Linhas de Transmiss\u00e3o A\u00e9reas<\/h2>\n<p>Existem v\u00e1rias ligas de alum\u00ednio que podem ser usadas em linhas de transmiss\u00e3o a\u00e9reas, mas a mais comum \u00e9 a 1350-H19. Esta liga possui um alto n\u00edvel de pureza e \u00e9 especificamente projetada para aplica\u00e7\u00f5es el\u00e9tricas, com uma condutividade m\u00ednima de 61.8% IACS (International Annealed Copper Standard). O &#8220;1350&#8221; na designa\u00e7\u00e3o da liga indica um n\u00edvel m\u00ednimo de pureza de 99.5%, enquanto &#8220;H19&#8221; refere-se ao temperamento ou dureza do material. H19 \u00e9 um temperamento relativamente duro que oferece um bom equil\u00edbrio entre resist\u00eancia e ductilidade, adequado para uso em linhas de transmiss\u00e3o a\u00e9reas.<\/p>\n<p>Outras ligas de alum\u00ednio usadas em linhas de transmiss\u00e3o incluem 6201-T81 e 6101-T81, que possuem n\u00edveis mais altos de resist\u00eancia e condutividade do que a 1350-H19, mas tamb\u00e9m s\u00e3o mais caras. A liga espec\u00edfica utilizada depender\u00e1 dos requisitos espec\u00edficos do sistema de transmiss\u00e3o de energia e das considera\u00e7\u00f5es de custo do projeto.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png\" alt=\"\" \/><\/p>\n<div style=\"text-align: center; font-size: 20px;\">\n    <a href=\"https:\/\/www.electricity-magnetism.org\/why-are-overhead-power-lines-made-of-aluminum\/\">Original Article<\/a>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A combina\u00e7\u00e3o de leveza, economia, resist\u00eancia \u00e0 corros\u00e3o e condutividade do alum\u00ednio o torna um material ideal para linhas de energia a\u00e9reas.<\/p>\n","protected":false},"author":1,"featured_media":1581,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[14],"tags":[],"class_list":["post-80729","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nao-categorizado","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Por que as linhas el\u00e9tricas a\u00e9reas s\u00e3o feitas de alum\u00ednio<\/title>\n<meta name=\"description\" content=\"A combina\u00e7\u00e3o de leveza, economia, resist\u00eancia \u00e0 corros\u00e3o e condutividade do alum\u00ednio o torna um material ideal para linhas de energia a\u00e9reas.\" \/>\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.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Por que as linhas el\u00e9tricas a\u00e9reas s\u00e3o feitas de alum\u00ednio\" \/>\n<meta property=\"og:description\" content=\"A combina\u00e7\u00e3o de leveza, economia, resist\u00eancia \u00e0 corros\u00e3o e condutividade do alum\u00ednio o torna um material ideal para linhas de energia a\u00e9reas.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/\" \/>\n<meta property=\"og:site_name\" content=\"Electricity - Magnetism\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-14T13:17:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-01-20T10:01:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png\" \/>\n\t<meta property=\"og:image:width\" content=\"200\" \/>\n\t<meta property=\"og:image:height\" content=\"200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Matan\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/#website\",\"url\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/\",\"name\":\"Electricity - Magnetism\",\"description\":\"All about electricity and magnetism.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-BR\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/#primaryimage\",\"inLanguage\":\"pt-BR\",\"url\":\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png\",\"contentUrl\":\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png\",\"width\":200,\"height\":200,\"caption\":\"Eletromagnetismo\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/#webpage\",\"url\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/\",\"name\":\"Por que as linhas el\\u00e9tricas a\\u00e9reas s\\u00e3o feitas de alum\\u00ednio\",\"isPartOf\":{\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/#primaryimage\"},\"datePublished\":\"2024-01-14T13:17:15+00:00\",\"dateModified\":\"2024-01-20T10:01:14+00:00\",\"author\":{\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/#\/schema\/person\/68f28ba0ad08ef355b436c5222a40b29\"},\"description\":\"A combina\\u00e7\\u00e3o de leveza, economia, resist\\u00eancia \\u00e0 corros\\u00e3o e condutividade do alum\\u00ednio o torna um material ideal para linhas de energia a\\u00e9reas.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/#breadcrumb\"},\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/electricity-magnetism-page\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Por que as linhas el\\u00e9tricas a\\u00e9reas s\\u00e3o feitas de alum\\u00ednio\"}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/#\/schema\/person\/68f28ba0ad08ef355b436c5222a40b29\",\"name\":\"Matan\",\"url\":\"https:\/\/www.electricity-magnetism.org\/pt-br\/author\/matan\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Por que as linhas el\u00e9tricas a\u00e9reas s\u00e3o feitas de alum\u00ednio","description":"A combina\u00e7\u00e3o de leveza, economia, resist\u00eancia \u00e0 corros\u00e3o e condutividade do alum\u00ednio o torna um material ideal para linhas de energia a\u00e9reas.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/","og_locale":"pt_BR","og_type":"article","og_title":"Por que as linhas el\u00e9tricas a\u00e9reas s\u00e3o feitas de alum\u00ednio","og_description":"A combina\u00e7\u00e3o de leveza, economia, resist\u00eancia \u00e0 corros\u00e3o e condutividade do alum\u00ednio o torna um material ideal para linhas de energia a\u00e9reas.","og_url":"https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/","og_site_name":"Electricity - Magnetism","article_published_time":"2024-01-14T13:17:15+00:00","article_modified_time":"2024-01-20T10:01:14+00:00","og_image":[{"width":200,"height":200,"url":"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"Matan","Est. tempo de leitura":"2 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebSite","@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/#website","url":"https:\/\/www.electricity-magnetism.org\/pt-br\/","name":"Electricity - Magnetism","description":"All about electricity and magnetism.","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.electricity-magnetism.org\/pt-br\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"pt-BR"},{"@type":"ImageObject","@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/#primaryimage","inLanguage":"pt-BR","url":"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png","contentUrl":"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png","width":200,"height":200,"caption":"Eletromagnetismo"},{"@type":"WebPage","@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/#webpage","url":"https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/","name":"Por que as linhas el\u00e9tricas a\u00e9reas s\u00e3o feitas de alum\u00ednio","isPartOf":{"@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/#primaryimage"},"datePublished":"2024-01-14T13:17:15+00:00","dateModified":"2024-01-20T10:01:14+00:00","author":{"@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/#\/schema\/person\/68f28ba0ad08ef355b436c5222a40b29"},"description":"A combina\u00e7\u00e3o de leveza, economia, resist\u00eancia \u00e0 corros\u00e3o e condutividade do alum\u00ednio o torna um material ideal para linhas de energia a\u00e9reas.","breadcrumb":{"@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/#breadcrumb"},"inLanguage":"pt-BR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/por-que-as-linhas-eletricas-aereas-sao-feitas-de-aluminio\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.electricity-magnetism.org\/pt-br\/electricity-magnetism-page\/"},{"@type":"ListItem","position":2,"name":"Por que as linhas el\u00e9tricas a\u00e9reas s\u00e3o feitas de alum\u00ednio"}]},{"@type":"Person","@id":"https:\/\/www.electricity-magnetism.org\/pt-br\/#\/schema\/person\/68f28ba0ad08ef355b436c5222a40b29","name":"Matan","url":"https:\/\/www.electricity-magnetism.org\/pt-br\/author\/matan\/"}]}},"_links":{"self":[{"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/posts\/80729","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/comments?post=80729"}],"version-history":[{"count":0,"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/posts\/80729\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/media\/1581"}],"wp:attachment":[{"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/media?parent=80729"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/categories?post=80729"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.electricity-magnetism.org\/pt-br\/wp-json\/wp\/v2\/tags?post=80729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}