{"id":80910,"date":"2024-01-14T13:21:51","date_gmt":"2024-01-14T13:21:51","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/teorema-de-norton-analise-de-circuito\/"},"modified":"2024-01-20T10:11:23","modified_gmt":"2024-01-20T10:11:23","slug":"teorema-de-norton-analise-de-circuito","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/pt-br\/teorema-de-norton-analise-de-circuito\/","title":{"rendered":"Teorema de Norton | An\u00e1lise de Circuito"},"content":{"rendered":"<h2>Teorema de Norton: Simplificando Circuitos El\u00e9tricos Complexos<\/h2>\n<p>O Teorema de Norton \u00e9 uma t\u00e9cnica fundamental em engenharia el\u00e9trica para simplificar circuitos lineares complexos. Similar ao Teorema de Th\u00e9venin, o Teorema de Norton afirma que qualquer circuito linear e invariante no tempo com dois terminais (bipolo) pode ser substitu\u00eddo por um circuito equivalente. Esse circuito consiste em uma \u00fanica fonte de corrente (Corrente de Norton, I<sub>N<\/sub>) em paralelo com um \u00fanico resistor (Resist\u00eancia de Norton, R<sub>N<\/sub>), desde que o comportamento da tens\u00e3o e corrente de sa\u00edda nos terminais permane\u00e7a o mesmo. Esta t\u00e9cnica \u00e9 particularmente \u00fatil na an\u00e1lise de circuitos com m\u00faltiplos componentes e simplifica o processo de determinar o efeito das varia\u00e7\u00f5es de resist\u00eancias de carga.<\/p>\n<h2>Aplica\u00e7\u00e3o do Teorema de Norton<\/h2>\n<p>Para aplicar o Teorema de Norton, siga estes passos:<\/p>\n<p>Remova o resistor de carga (R<sub>L<\/sub>) do circuito, deixando os dois terminais onde o resistor de carga estava conectado.<br \/>\nCalcule a corrente de curto-circuito atrav\u00e9s dos terminais, que \u00e9 a Corrente de Norton (I<sub>N<\/sub>). Esta corrente pode ser encontrada usando v\u00e1rias t\u00e9cnicas de an\u00e1lise de circuitos, como a Lei de Ohm, Leis de Kirchhoff ou an\u00e1lise de corrente de malha.<br \/>\nSubstitua todas as fontes de tens\u00e3o por curtos-circuitos e todas as fontes de corrente por circuitos abertos. Calcule a resist\u00eancia equivalente olhando para o circuito nos terminais, que \u00e9 a Resist\u00eancia de Norton (R<sub>N<\/sub>). Esta resist\u00eancia pode ser encontrada usando combina\u00e7\u00f5es de resist\u00eancia em s\u00e9rie e paralelo ou aplicando outras t\u00e9cnicas, como a transforma\u00e7\u00e3o delta-estrela.<br \/>\nSubstitua o circuito original pelo circuito equivalente de Norton, que consiste na Corrente de Norton (I<sub>N<\/sub>) em paralelo com a Resist\u00eancia de Norton (R<sub>N<\/sub>).<br \/>\nReconecte o resistor de carga (R<sub>L<\/sub>) aos terminais do circuito equivalente de Norton.<br \/>\nCom o circuito equivalente de Norton simplificado, agora \u00e9 poss\u00edvel analisar o circuito mais facilmente, como determinar a corrente atrav\u00e9s do resistor de carga ou encontrar a transfer\u00eancia de pot\u00eancia m\u00e1xima. \u00c9 importante lembrar que o Teorema de Norton s\u00f3 pode ser aplicado a circuitos lineares e invariantes no tempo; ele n\u00e3o se aplica a circuitos com componentes n\u00e3o lineares ou vari\u00e1veis no tempo.<\/p>\n<h2>Rela\u00e7\u00e3o entre os Teoremas de Th\u00e9venin e Norton<\/h2>\n<p>Vale ressaltar que os teoremas de Th\u00e9venin e Norton est\u00e3o intimamente relacionados, e os circuitos equivalentes podem ser convertidos entre si usando a transforma\u00e7\u00e3o de fonte.<\/p>\n<h2>Outros Teoremas de Circuitos<\/h2>\n<p>Os teoremas de circuitos s\u00e3o ferramentas essenciais para analisar e simplificar circuitos el\u00e9tricos complexos. Eles ajudam engenheiros e t\u00e9cnicos a encontrar circuitos equivalentes, resolver quantidades desconhecidas e otimizar o desempenho do circuito. Alguns dos teoremas de circuito mais importantes incluem:<\/p>\n<p>Lei de Ohm<br \/>\nLeis de Kirchhoff<br \/>\nTeorema de Th\u00e9venin<br \/>\nTeorema de Norton<br \/>\nTeorema da Superposi\u00e7\u00e3o<br \/>\nTeorema da Transfer\u00eancia M\u00e1xima de Pot\u00eancia<br \/>\nTransforma\u00e7\u00f5es Delta-Estrela (\u0394-Y) e Estrela-Delta (Y-\u0394)<\/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\/nortons-theorem\/\">Original Article<\/a>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O Teorema de Norton \u00e9 outra t\u00e9cnica fundamental usada em engenharia el\u00e9trica para simplificar circuitos lineares complexos.<\/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-80910","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 - 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