{"id":80469,"date":"2024-01-14T13:05:53","date_gmt":"2024-01-14T13:05:53","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/voltimetro-tipo-inducao-descricao-e-caracteristicas\/"},"modified":"2024-01-20T09:48:37","modified_gmt":"2024-01-20T09:48:37","slug":"voltimetro-tipo-inducao-descricao-e-caracteristicas","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/pt-br\/voltimetro-tipo-inducao-descricao-e-caracteristicas\/","title":{"rendered":"Volt\u00edmetro tipo indu\u00e7\u00e3o | Descri\u00e7\u00e3o e caracter\u00edsticas |"},"content":{"rendered":"<h2>Volt\u00edmetro de Tipo Indu\u00e7\u00e3o<\/h2>\n<p>O volt\u00edmetro de tipo indu\u00e7\u00e3o \u00e9 um instrumento fundamental para a medi\u00e7\u00e3o de pot\u00eancia em corrente alternada (CA). Este dispositivo opera com base no princ\u00edpio da indu\u00e7\u00e3o m\u00fatua. Ao contr\u00e1rio do tipo eletrodinam\u00f4metro, que \u00e9 adequado tanto para corrente cont\u00ednua (CC) quanto para CA, o volt\u00edmetro de indu\u00e7\u00e3o \u00e9 exclusivamente eficaz com CA.<\/p>\n<h2>Funcionamento e Utiliza\u00e7\u00e3o<\/h2>\n<p>A aplica\u00e7\u00e3o de uma fonte de CA gera um fluxo magn\u00e9tico, que, por sua vez, induz uma corrente de Foucault no sistema do volt\u00edmetro. A intera\u00e7\u00e3o entre a corrente induzida e o fluxo magn\u00e9tico resulta em um torque de deflex\u00e3o, movimentando o ponteiro do instrumento para fornecer uma leitura de tens\u00e3o. Esses volt\u00edmetros s\u00e3o especialmente \u00fateis em circuitos com fornecimento de energia constante e frequ\u00eancia fixa.<\/p>\n<h2>Constru\u00e7\u00e3o e Precis\u00e3o<\/h2>\n<p>Devido \u00e0 sua constru\u00e7\u00e3o simples, os volt\u00edmetros de indu\u00e7\u00e3o s\u00e3o frequentemente escolhidos para medi\u00e7\u00f5es de tens\u00e3o em CA. No entanto, essa simplicidade vem com o custo de uma precis\u00e3o menor em compara\u00e7\u00e3o com outros tipos de volt\u00edmetros, devido ao sistema de movimento mais pesado.<\/p>\n<h2>Outros Tipos de Volt\u00edmetros<\/h2>\n<ul>\n<li>Volt\u00edmetro de Bobina M\u00f3vel com \u00cdm\u00e3 Permanente (PMMC)<\/li>\n<li>Volt\u00edmetro de Ferro M\u00f3vel<\/li>\n<li>Volt\u00edmetro Digital (DVM)<\/li>\n<li>Eletrodinam\u00f4metro<\/li>\n<li>Volt\u00edmetro de Retifica\u00e7\u00e3o<\/li>\n<li>Volt\u00edmetro Eletrost\u00e1tico<\/li>\n<\/ul>\n<h2>Representa\u00e7\u00e3o em Diagramas de Circuito<\/h2>\n<p>Nos diagramas de circuito, o voltmeter \u00e9 simbolizado pela letra V dentro de um c\u00edrculo, com duas linhas emergindo, representando os pontos de medi\u00e7\u00e3o.<\/p>\n<h2>Analogia Hidr\u00e1ulica de Volt\u00edmetros<\/h2>\n<p>A analogia hidr\u00e1ulica, tamb\u00e9m conhecida como analogia fluido-el\u00e9trica, \u00e9 uma ferramenta did\u00e1tica valiosa para explicar o funcionamento dos circuitos el\u00e9tricos. Nessa analogia, componentes eletr\u00f4nicos s\u00e3o representados por equivalentes hidr\u00e1ulicos, facilitando a compreens\u00e3o de conceitos el\u00e9tricos. A rela\u00e7\u00e3o entre tens\u00e3o e corrente, definida pela Lei de Ohm em dispositivos \u00f4hmicos, \u00e9 an\u00e1loga \u00e0 equa\u00e7\u00e3o de Hagen-Poiseuille, que relaciona fluxo e potencial em sistemas hidr\u00e1ulicos.<\/p>\n<p>Na analogia hidr\u00e1ulica, a tens\u00e3o el\u00e9trica \u00e9 comparada \u00e0 diferen\u00e7a de press\u00e3o que impulsiona a \u00e1gua atrav\u00e9s de uma mangueira. Assim, o voltmeter \u00e9 equivalente a um medidor de diferen\u00e7a de press\u00e3o. Essa analogia pressup\u00f5e um fluxo de \u00e1gua horizontal, onde a for\u00e7a da gravidade pode ser negligenciada.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/07\/induction-type-voltmeter-description.png\" alt=\"\" \/><\/p>\n<div style=\"text-align: center; font-size: 20px;\">\n    <a href=\"https:\/\/www.electricity-magnetism.org\/voltmeter\/induction-type-voltmeter\/\">Original Article<\/a>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O volt\u00edmetro do tipo indu\u00e7\u00e3o funciona segundo o princ\u00edpio da indu\u00e7\u00e3o m\u00fatua. Ele s\u00f3 pode ser usado para medi\u00e7\u00e3o de pot\u00eancia CA, enquanto o tipo eletrodinam\u00f4metro pode ser usado tanto para CA quanto para CC.<\/p>\n","protected":false},"author":1,"featured_media":2925,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[14],"tags":[],"class_list":["post-80469","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>Volt\u00edmetro tipo indu\u00e7\u00e3o | Descri\u00e7\u00e3o e caracter\u00edsticas |<\/title>\n<meta name=\"description\" content=\"O volt\u00edmetro do tipo indu\u00e7\u00e3o funciona segundo o princ\u00edpio da indu\u00e7\u00e3o m\u00fatua. Ele s\u00f3 pode ser usado para medi\u00e7\u00e3o de pot\u00eancia CA, enquanto o tipo eletrodinam\u00f4metro pode ser usado tanto para CA quanto para CC.\" \/>\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\/voltimetro-tipo-inducao-descricao-e-caracteristicas\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Volt\u00edmetro tipo indu\u00e7\u00e3o | Descri\u00e7\u00e3o e caracter\u00edsticas |\" \/>\n<meta property=\"og:description\" content=\"O volt\u00edmetro do tipo indu\u00e7\u00e3o funciona segundo o princ\u00edpio da indu\u00e7\u00e3o m\u00fatua. 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