{"id":1059,"date":"2021-07-06T14:26:52","date_gmt":"2021-07-06T17:26:52","guid":{"rendered":"https:\/\/testedeprojeto.com.br\/nishi\/?p=1059"},"modified":"2021-08-31T15:33:27","modified_gmt":"2021-08-31T18:33:27","slug":"nucleo-magnetico-como-evaluar-su-calidad-e-integridad","status":"publish","type":"post","link":"https:\/\/nishi.com.br\/novo\/es\/nucleo-magnetico-como-evaluar-su-calidad-e-integridad\/","title":{"rendered":"N\u00facleo magn\u00e9tico I \u00bfC\u00f3mo evaluar su calidad e integridad?"},"content":{"rendered":"<p>En la mayor\u00eda de los rotores y estatores, el n\u00facleo se forma \u00abapilando\u00bb placas de acero (sil\u00edceas o no), aisladas entre s\u00ed y prensadas uniformemente, formando un conjunto s\u00f3lido.<\/p>\n<p>En las m\u00e1quinas que trabajan a altas temperaturas (cercanas al l\u00edmite de temperatura del material aislante), el aislamiento entre las placas se deteriora con el tiempo, provocando la aparici\u00f3n de corrientes par\u00e1sitas o \u00abeddy currents\u00bb, que circulan entre las placas del n\u00facleo que est\u00e1n en cortocircuito. La temperatura en este lugar puede ser a menudo de 30 a 40\u00baC m\u00e1s alta que la temperatura media del n\u00facleo.<\/p>\n<p>La prueba m\u00e1s utilizada para detectar posibles \u00abpuntos calientes\u00bb es la \u00abprueba de bucle\u00bb. Envolvemos bobinas alrededor del n\u00facleo magn\u00e9tico donde se calcula la cantidad de vueltas para conseguir un flujo similar al nominal. El n\u00facleo se deja energizado hasta que su temperatura se estabiliza y las diferencias de temperatura se eval\u00faan mediante termovisi\u00f3n.<\/p>\n<p>Si se identifican uno o m\u00e1s puntos en los que la variaci\u00f3n de temperatura es superior a la media (10\u00baC o m\u00e1s), estos puntos deben ser investigados y\/o reparados. La reparaci\u00f3n se realiza mediante el desmontaje completo del n\u00facleo, el desmontaje del material aislante, la aplicaci\u00f3n del nuevo aislamiento y el montaje.<\/p>\n<p>Obtenga m\u00e1s informaci\u00f3n sobre los servicios prestados por Nishi y p\u00f3ngase en contacto con uno de nuestros expertos para obtener informaci\u00f3n sobre el mantenimiento y las normas aplicadas a las pruebas el\u00e9ctricas de las m\u00e1quinas rotativas.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>En la mayor\u00eda de los rotores y estatores, el n\u00facleo [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1061,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[52,78,54,49,50,51],"tags":[],"class_list":["post-1059","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gca-2","category-hidrogeneradores","category-mantenimiento-correctivo","category-mca-2","category-mcag-2","category-mcc-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>N\u00facleo magn\u00e9tico I \u00bfC\u00f3mo evaluar su calidad e integridad? - Nishi<\/title>\n<meta name=\"description\" content=\"En la mayor\u00eda de los rotores y estatores, el n\u00facleo se forma &quot;apilando&quot; placas de acero (sil\u00edceas o no), aisladas entre s\u00ed y prensadas uniformemente, formando un conjunto s\u00f3lido.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nishi.com.br\/novo\/es\/nucleo-magnetico-como-evaluar-su-calidad-e-integridad\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"N\u00facleo magn\u00e9tico I \u00bfC\u00f3mo evaluar su calidad e integridad? - Nishi\" \/>\n<meta property=\"og:description\" content=\"En la mayor\u00eda de los rotores y estatores, el n\u00facleo se forma &quot;apilando&quot; placas de acero (sil\u00edceas o no), aisladas entre s\u00ed y prensadas uniformemente, formando un conjunto s\u00f3lido.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nishi.com.br\/novo\/es\/nucleo-magnetico-como-evaluar-su-calidad-e-integridad\/\" \/>\n<meta property=\"og:site_name\" content=\"Nishi\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/nishi.com.br\/\" \/>\n<meta property=\"article:published_time\" content=\"2021-07-06T17:26:52+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-08-31T18:33:27+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/nishi.com.br\/novo\/wp-content\/uploads\/2021\/06\/loop-test-hidrogerador-termovisor.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"534\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\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\":\"Article\",\"@id\":\"https:\/\/nishi.com.br\/novo\/es\/nucleo-magnetico-como-evaluar-su-calidad-e-integridad\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/nishi.com.br\/novo\/es\/nucleo-magnetico-como-evaluar-su-calidad-e-integridad\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\/\/nishi.com.br\/novo\/es\/#\/schema\/person\/4d783546f6e8df53961f7c36fbdd07b6\"},\"headline\":\"N\u00facleo magn\u00e9tico I \u00bfC\u00f3mo evaluar su calidad e integridad?\",\"datePublished\":\"2021-07-06T17:26:52+00:00\",\"dateModified\":\"2021-08-31T18:33:27+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/nishi.com.br\/novo\/es\/nucleo-magnetico-como-evaluar-su-calidad-e-integridad\/\"},\"wordCount\":280,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/nishi.com.br\/novo\/es\/#organization\"},\"image\":{\"@id\":\"https:\/\/nishi.com.br\/novo\/es\/nucleo-magnetico-como-evaluar-su-calidad-e-integridad\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/nishi.com.br\/novo\/wp-content\/uploads\/2021\/06\/loop-test-hidrogerador-termovisor.jpg\",\"articleSection\":[\"GCA\",\"hidrogeneradores\",\"Mantenimiento Correctivo\",\"MCA\",\"MCAG\",\"MCC\"],\"inLanguage\":\"es\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/nishi.com.br\/novo\/es\/nucleo-magnetico-como-evaluar-su-calidad-e-integridad\/\",\"url\":\"https:\/\/nishi.com.br\/novo\/es\/nucleo-magnetico-como-evaluar-su-calidad-e-integridad\/\",\"name\":\"N\u00facleo magn\u00e9tico I \u00bfC\u00f3mo evaluar su calidad e integridad? 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