{"id":19842,"date":"2024-12-14T01:40:23","date_gmt":"2024-12-14T04:40:23","guid":{"rendered":"https:\/\/hangarmma.com.br\/blog\/?post_type=glossary&#038;p=19842"},"modified":"2024-12-14T01:40:24","modified_gmt":"2024-12-14T04:40:24","slug":"geracao-de-alta-tensao-em-magnetos","status":"publish","type":"glossary","link":"https:\/\/hangarmma.com.br\/blog\/geracao-de-alta-tensao-em-magnetos\/","title":{"rendered":"Gera\u00e7\u00e3o de Alta Tens\u00e3o em Magnetos"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">O princ\u00edpio de gera\u00e7\u00e3o da alta tens\u00e3o nos magnetos \u00e9 baseado na indu\u00e7\u00e3o eletromagn\u00e9tica, utilizando uma bobina que atua como um transformador. Essa bobina possui dois enrolamentos:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Enrolamento prim\u00e1rio<\/strong>: Feito com fio grosso, possui algumas centenas de espiras para suportar correntes elevadas.<\/li>\n\n\n\n<li><strong>Enrolamento secund\u00e1rio<\/strong>: Com fio fino, possui milhares de espiras, permitindo alcan\u00e7ar tens\u00f5es elevadas.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ambos os enrolamentos s\u00e3o dispostos ao redor de um n\u00facleo de ferro, que concentra e intensifica o fluxo magn\u00e9tico.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O funcionamento ocorre em duas etapas principais:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Cria\u00e7\u00e3o do Fluxo Magn\u00e9tico (Etapa Inicial)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>O enrolamento prim\u00e1rio \u00e9 alimentado por uma fonte de energia el\u00e9trica, gerando um fluxo magn\u00e9tico cont\u00ednuo atrav\u00e9s do n\u00facleo de ferro.<\/li>\n\n\n\n<li>Nesse momento, conforme a <strong>Lei de Faraday<\/strong>, n\u00e3o h\u00e1 tens\u00e3o no enrolamento secund\u00e1rio, pois o fluxo magn\u00e9tico ainda n\u00e3o est\u00e1 variando.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"589\" height=\"262\" src=\"https:\/\/hangarmma.com.br\/blog\/wp-content\/uploads\/2024\/12\/Capturar-142.png\" alt=\"\" class=\"wp-image-19843\" srcset=\"https:\/\/hangarmma.com.br\/blog\/wp-content\/uploads\/2024\/12\/Capturar-142.png 589w, https:\/\/hangarmma.com.br\/blog\/wp-content\/uploads\/2024\/12\/Capturar-142-300x133.png 300w\" sizes=\"auto, (max-width: 589px) 100vw, 589px\" \/><figcaption class=\"wp-element-caption\">Livro Aeronaves e Motores \u2013 Conhecimentos T\u00e9cnicos de Avi\u00e3o \u2013 Jorge M. Homa<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2. Interrup\u00e7\u00e3o da Corrente e Gera\u00e7\u00e3o da Alta Tens\u00e3o<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Quando o contato el\u00e9trico do prim\u00e1rio \u00e9 interrompido (ex.: abertura do platinado), o fluxo magn\u00e9tico no n\u00facleo \u00e9 rapidamente reduzido.<\/li>\n\n\n\n<li>Essa varia\u00e7\u00e3o brusca de fluxo magn\u00e9tico gera uma for\u00e7a eletromotriz (FEM) no enrolamento secund\u00e1rio, proporcional \u00e0 rapidez dessa varia\u00e7\u00e3o, de acordo com a <strong>Lei da Indu\u00e7\u00e3o Eletromagn\u00e9tica<\/strong>.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"571\" height=\"184\" src=\"https:\/\/hangarmma.com.br\/blog\/wp-content\/uploads\/2024\/12\/Capturar-143.png\" alt=\"\" class=\"wp-image-19844\" srcset=\"https:\/\/hangarmma.com.br\/blog\/wp-content\/uploads\/2024\/12\/Capturar-143.png 571w, https:\/\/hangarmma.com.br\/blog\/wp-content\/uploads\/2024\/12\/Capturar-143-300x97.png 300w\" sizes=\"auto, (max-width: 571px) 100vw, 571px\" \/><figcaption class=\"wp-element-caption\">Livro Aeronaves e Motores \u2013 Conhecimentos T\u00e9cnicos de Avi\u00e3o \u2013 Jorge M. Homa<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Caracter\u00edsticas da Gera\u00e7\u00e3o<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A tens\u00e3o gerada no enrolamento secund\u00e1rio \u00e9 significativamente maior devido ao n\u00famero elevado de espiras.<\/li>\n\n\n\n<li>A interrup\u00e7\u00e3o instant\u00e2nea no prim\u00e1rio pode gerar pequenas fa\u00edscas no platinado e uma centelha de alta tens\u00e3o no secund\u00e1rio, suficiente para acender a mistura ar-combust\u00edvel atrav\u00e9s da vela de igni\u00e7\u00e3o.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>O princ\u00edpio de gera\u00e7\u00e3o da alta tens\u00e3o nos magnetos \u00e9 baseado na indu\u00e7\u00e3o eletromagn\u00e9tica, utilizando uma bobina que atua como um transformador. Essa bobina possui dois enrolamentos: Ambos os enrolamentos s\u00e3o dispostos ao redor de um n\u00facleo de ferro, que concentra e intensifica o fluxo magn\u00e9tico. O funcionamento ocorre em duas etapas principais: 1. Cria\u00e7\u00e3o [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"template":"","class_list":["post-19842","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Gera\u00e7\u00e3o de Alta Tens\u00e3o em Magnetos - HANGAR MMA<\/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:\/\/hangarmma.com.br\/blog\/geracao-de-alta-tensao-em-magnetos\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gera\u00e7\u00e3o de Alta Tens\u00e3o em Magnetos - HANGAR MMA\" \/>\n<meta property=\"og:description\" content=\"O princ\u00edpio de gera\u00e7\u00e3o da alta tens\u00e3o nos magnetos \u00e9 baseado na indu\u00e7\u00e3o eletromagn\u00e9tica, utilizando uma bobina que atua como um transformador. 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