{"id":47783,"date":"2019-11-06T08:28:48","date_gmt":"2019-11-06T07:28:48","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/o-que-e-o-gerador-principal-gerador-eletrico-turbo-alternador-definicao\/"},"modified":"2020-01-25T09:11:12","modified_gmt":"2020-01-25T08:11:12","slug":"o-que-e-o-gerador-principal-gerador-eletrico-turbo-alternador-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-o-gerador-principal-gerador-eletrico-turbo-alternador-definicao\/","title":{"rendered":"O que \u00e9 o Gerador Principal &#8211; Gerador El\u00e9trico &#8211; Turbo-alternador &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Gerador Principal &#8211; Gerador El\u00e9trico &#8211; Turbo-alternador.\u00a0Um gerador ou gerador el\u00e9trico \u00e9 um dispositivo que converte energia mec\u00e2nica da turbina a vapor em energia el\u00e9trica.\u00a0Engenharia T\u00e9rmica<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>Gerador principal &#8211; Gerador el\u00e9trico &#8211; Turbo-alternador<\/h2>\n<figure id=\"attachment_17846\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-17846\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Steam-Turbine-scheme-min.png\"><img loading=\"lazy\" class=\"size-medium wp-image-17846 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Steam-Turbine-scheme-min-300x155.png\" alt=\"Turbina a vapor t\u00edpica de 3000 MW de PWR\" width=\"300\" height=\"155\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Steam-Turbine-scheme-min-300x155.png\" \/><\/a><figcaption id=\"caption-attachment-17846\" class=\"wp-caption-text\">Esquema de uma turbina a vapor de um PWR t\u00edpico de 3000 MW.<\/figcaption><\/figure>\n<p>Um\u00a0<strong>gerador<\/strong>\u00a0ou gerador el\u00e9trico \u00e9 um dispositivo que converte\u00a0<strong>energia mec\u00e2nica<\/strong>\u00a0da turbina a vapor em\u00a0<strong>energia el\u00e9trica<\/strong>\u00a0.\u00a0Como qualquer gerador el\u00e9trico de CA pode ser chamado de alternador, para grandes usinas, os engenheiros tamb\u00e9m usam o termo\u00a0<strong>turbo-alternador<\/strong>\u00a0, que se refere a alternadores acionados por turbinas a vapor.\u00a0Como o\u00a0<strong>turbo alternador<\/strong>\u00a0geralmente consiste em duas partes, a maior das duas se\u00e7\u00f5es \u00e9 o\u00a0<strong>gerador principal<\/strong>\u00a0e a menor \u00e9 o\u00a0<strong>excitador<\/strong>\u00a0.\u00a0Nas usinas termel\u00e9tricas, geralmente existe um gerador principal, que fornece toda a energia para as redes de energia el\u00e9trica.\u00a0Uma turbina a vapor geralmente est\u00e1 no mesmo eixo que um gerador principal e um excitador.<\/p>\n<p>Em geral, um gerador principal consiste em uma parte rotativa e uma parte estacion\u00e1ria:<\/p>\n<ul>\n<li><strong>Estator<\/strong>\u00a0.\u00a0O estator \u00e9 a parte estacion\u00e1ria de um gerador el\u00e9trico que circunda o rotor.\u00a0O estator possui um enrolamento de fio no qual a mudan\u00e7a de campo induz uma corrente el\u00e9trica<\/li>\n<li><strong>Rotor<\/strong>\u00a0.\u00a0Rotor \u00e9 a parte rotativa de um gerador el\u00e9trico e gera um campo magn\u00e9tico.<\/li>\n<\/ul>\n<p>Um turbo-alternador t\u00edpico em usinas nucleares consiste em:<\/p>\n<ul>\n<li><strong>Gerador principal<\/strong>\n<ul>\n<li><strong>Rotor refrigerado a hidrog\u00eanio de 4 polos<\/strong>\u00a0.\u00a0O enrolamento do rotor \u00e9 constitu\u00eddo por condutores ocos, atrav\u00e9s dos quais o g\u00e1s hidrog\u00eanio flui.\u00a0O hidrog\u00eanio \u00e9 resfriado nos trocadores de calor hidrog\u00eanio \/ \u00e1gua.<\/li>\n<li><strong>Estator<\/strong>\u00a0com enrolamento resfriado a \u00e1gua (\u00e1gua desmineralizada).<\/li>\n<\/ul>\n<\/li>\n<li><strong>Sistema de excita\u00e7\u00e3o sem escova.\u00a0<\/strong>Excitador sem escova, acionado por eixo e refrigerado a ar.\u00a0O excitador mant\u00e9m uma corrente passando pelos fios do rotor.\u00a0Quando este rotor gira, ele induz uma tens\u00e3o no estator.<\/li>\n<\/ul>\n<p><span>Normalmente, o gerador principal opera a velocidades aproximadamente:<\/span><\/p>\n<ul>\n<li><strong><span>3000 RPM<\/span><\/strong><span>\u00a0para sistemas de 50 Hz para gerador de 2 polos (ou 1500\u00a0<strong>RPM<\/strong>\u00a0para gerador de 4 polos),<\/span><\/li>\n<li><strong><span>1800 RPM<\/span><\/strong><span>\u00a0para sistemas de 60 Hz para gerador de 4 polos (ou 3600 RPM para gerador de 2 polos).<\/span><\/li>\n<\/ul>\n<p><span>com tens\u00e3o de sa\u00edda de 24.000 volts (24kV), classifica\u00e7\u00e3o nominal &#8211; 1111 MVA, pot\u00eancia efetiva &#8211; 1000 MWel, fator de pot\u00eancia &#8211; 0,9 e efici\u00eancia &#8211; 99%.<\/span><\/p>\n<\/div>\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Este artigo \u00e9 baseado na tradu\u00e7\u00e3o autom\u00e1tica do artigo original em ingl\u00eas. Para mais informa\u00e7\u00f5es, consulte o artigo em ingl\u00eas. Voc\u00ea pode nos ajudar. Se voc\u00ea deseja corrigir a tradu\u00e7\u00e3o, envie-a para: translations@nuclear-power.com ou preencha o formul\u00e1rio de tradu\u00e7\u00e3o on-line. Agradecemos sua ajuda, atualizaremos a tradu\u00e7\u00e3o o mais r\u00e1pido poss\u00edvel. Obrigado.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Gerador Principal &#8211; Gerador El\u00e9trico &#8211; Turbo-alternador.\u00a0Um gerador ou gerador el\u00e9trico \u00e9 um dispositivo que converte energia mec\u00e2nica da turbina a vapor em energia el\u00e9trica.\u00a0Engenharia T\u00e9rmica Gerador principal &#8211; Gerador el\u00e9trico &#8211; Turbo-alternador Esquema de uma turbina a vapor de um PWR t\u00edpico de 3000 MW. Um\u00a0gerador\u00a0ou gerador el\u00e9trico \u00e9 um dispositivo que converte\u00a0energia mec\u00e2nica\u00a0da &#8230; <a title=\"O que \u00e9 o Gerador Principal &#8211; Gerador El\u00e9trico &#8211; Turbo-alternador &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-o-gerador-principal-gerador-eletrico-turbo-alternador-definicao\/\" aria-label=\"More on O que \u00e9 o Gerador Principal &#8211; Gerador El\u00e9trico &#8211; Turbo-alternador &#8211; Defini\u00e7\u00e3o\">Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[14],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>O que \u00e9 o Gerador Principal - Gerador El\u00e9trico - Turbo-alternador - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Gerador Principal - Gerador El\u00e9trico - Turbo-alternador. Um gerador ou gerador el\u00e9trico \u00e9 um dispositivo que converte energia mec\u00e2nica da turbina a vapor em energia el\u00e9trica. Engenharia T\u00e9rmica\" \/>\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.thermal-engineering.org\/pt-br\/o-que-e-o-gerador-principal-gerador-eletrico-turbo-alternador-definicao\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"O que \u00e9 o Gerador Principal - Gerador El\u00e9trico - Turbo-alternador - Defini\u00e7\u00e3o\" \/>\n<meta property=\"og:description\" content=\"Gerador Principal - Gerador El\u00e9trico - Turbo-alternador. Um gerador ou gerador el\u00e9trico \u00e9 um dispositivo que converte energia mec\u00e2nica da turbina a vapor em energia el\u00e9trica. Engenharia T\u00e9rmica\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-o-gerador-principal-gerador-eletrico-turbo-alternador-definicao\/\" \/>\n<meta property=\"og:site_name\" content=\"Thermal Engineering\" \/>\n<meta property=\"article:published_time\" content=\"2019-11-06T07:28:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-01-25T08:11:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Steam-Turbine-scheme-min-300x155.png\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\">\n\t<meta name=\"twitter:data1\" content=\"Nick Connor\">\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\">\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.thermal-engineering.org\/fr\/#website\",\"url\":\"https:\/\/www.thermal-engineering.org\/fr\/\",\"name\":\"Thermal Engineering\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/www.thermal-engineering.org\/fr\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-BR\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-o-gerador-principal-gerador-eletrico-turbo-alternador-definicao\/#primaryimage\",\"inLanguage\":\"pt-BR\",\"url\":\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Steam-Turbine-scheme-min-300x155.png\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-o-gerador-principal-gerador-eletrico-turbo-alternador-definicao\/#webpage\",\"url\":\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-o-gerador-principal-gerador-eletrico-turbo-alternador-definicao\/\",\"name\":\"O que \\u00e9 o Gerador Principal - Gerador El\\u00e9trico - Turbo-alternador - Defini\\u00e7\\u00e3o\",\"isPartOf\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-o-gerador-principal-gerador-eletrico-turbo-alternador-definicao\/#primaryimage\"},\"datePublished\":\"2019-11-06T07:28:48+00:00\",\"dateModified\":\"2020-01-25T08:11:12+00:00\",\"author\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"Gerador Principal - Gerador El\\u00e9trico - Turbo-alternador. Um gerador ou gerador el\\u00e9trico \\u00e9 um dispositivo que converte energia mec\\u00e2nica da turbina a vapor em energia el\\u00e9trica. Engenharia T\\u00e9rmica\",\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.thermal-engineering.org\/pt-br\/o-que-e-o-gerador-principal-gerador-eletrico-turbo-alternador-definicao\/\"]}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\",\"name\":\"Nick Connor\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#personlogo\",\"inLanguage\":\"pt-BR\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/84c0dec310b44b65da29dc9df6925239?s=96&d=mm&r=g\",\"caption\":\"Nick Connor\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/www.thermal-engineering.org\/pt-br\/wp-json\/wp\/v2\/posts\/47783"}],"collection":[{"href":"https:\/\/www.thermal-engineering.org\/pt-br\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.thermal-engineering.org\/pt-br\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/pt-br\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/pt-br\/wp-json\/wp\/v2\/comments?post=47783"}],"version-history":[{"count":0,"href":"https:\/\/www.thermal-engineering.org\/pt-br\/wp-json\/wp\/v2\/posts\/47783\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.thermal-engineering.org\/pt-br\/wp-json\/wp\/v2\/media?parent=47783"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/pt-br\/wp-json\/wp\/v2\/categories?post=47783"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/pt-br\/wp-json\/wp\/v2\/tags?post=47783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}