{"id":254,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/stator-defects\/"},"modified":"2026-05-23T22:54:21","modified_gmt":"2026-05-23T22:54:21","slug":"stator-defects","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/pt-br\/glossary\/stator-defects\/","title":{"rendered":"O que s\u00e3o Defeitos no Estator? Falhas nos Enrolamentos de Motores"},"content":{"rendered":"<h1>Compreendendo os Defeitos do Estator em Motores El\u00e9tricos<\/h1>\n\t\t<section class=\"woocommerce hestia-shop products is-shortcode\" id=\"products\" data-sorder=\"hestia_shop\" >\n\t\t\t\t\t\t<div class=\"\">\n\t\t\t\t\t\t<div class=\"hestia-shop-content\">\n\t\t\t<div class=\"row\" data-aos=\"fade-up\" >\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/balanset-1\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/balanset-1\/\" title=\"Portable balancer &#038; Vibration analyzer Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A full kit portable balancer and vibration analyzer\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/balanset-1\/\" title=\"Portable balancer &#038; Vibration analyzer Balanset-1A\">Balanceador port\u00e1til &#038; Analisador de vibra\u00e7\u00e3o Balanset-1A<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>1,975.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/254?add-to-cart=986\" data-quantity=\"1\" data-product_id=\"986\" data-product_sku=\"BS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/254?add-to-cart=986\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_986\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"986\" data-product_sku=\"BS-1\" aria-label=\"Adicione ao carrinho: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_986\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/vibration-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/vibration-sensor\/\" title=\"Sensor de vibra\u00e7\u00e3o\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A vibration sensor close-up\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/vibration-sensor\/\" title=\"Sensor de vibra\u00e7\u00e3o\">Sensor de vibra\u00e7\u00e3o<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>90.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/254?add-to-cart=1820\" data-quantity=\"1\" data-product_id=\"1820\" data-product_sku=\"VS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/254?add-to-cart=1820\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1820\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1820\" data-product_sku=\"VS-1\" aria-label=\"Adicione ao carrinho: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1820\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/optical-sensor-for-balanset-and-arbalance\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00d3ptico (Tac\u00f4metro a Laser)\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Sensor \u00d3ptico (Tac\u00f4metro a Laser)\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-1536x1023.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/ZKqzGXSCCBU.webp 1600w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Sensor \u00d3ptico (Tac\u00f4metro a Laser)\">Sensor \u00d3ptico (Tac\u00f4metro a Laser)<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>124.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/254?add-to-cart=1832\" data-quantity=\"1\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/254?add-to-cart=1832\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1832\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1832\" data-product_sku=\"Tach-1\" aria-label=\"Adicione ao carrinho: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1832\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/balanset-4\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Vibromera rotor balancing kit: carry case, multi-channel signal conditioner, handheld analyzer, magnetic base, vibration sensors, and coiled cables.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4.webp 640w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/balanset-4\/\" title=\"Balanset-4\">Balanset-4<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>6,803.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/254?add-to-cart=1833\" data-quantity=\"1\" data-product_id=\"1833\" data-product_sku=\"BS-4\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/254?add-to-cart=1833\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1833\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1833\" data-product_sku=\"BS-4\" aria-label=\"Adicione ao carrinho: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1833\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div><!-- \/.row --><div class=\"row\">\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/magnet-stand\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/magnet-stand\/\" title=\"Suporte Magn\u00e9tico Insize-60-kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Magnet base.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/magnet-stand\/\" title=\"Suporte Magn\u00e9tico Insize-60-kgf\">Suporte Magn\u00e9tico Insize-60-kgf<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>46.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/254?add-to-cart=1852\" data-quantity=\"1\" data-product_id=\"1852\" data-product_sku=\"MS-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/254?add-to-cart=1852\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_1852\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"1852\" data-product_sku=\"MS-1\" aria-label=\"Adicione ao carrinho: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_1852\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/reflective-tape\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/reflective-tape\/\" title=\"Fita refletiva\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Fita refletiva\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-16x12.webp 16w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-460x306.webp 460w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/05\/s-l1600-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/parts\/\" rel=\"tag\">Pe\u00e7as<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/reflective-tape\/\" title=\"Fita refletiva\">Fita refletiva<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>10.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/254?add-to-cart=2329\" data-quantity=\"1\" data-product_id=\"2329\" data-product_sku=\"rt-1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/254?add-to-cart=2329\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_2329\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"2329\" data-product_sku=\"rt-1\" aria-label=\"Adicione ao carrinho: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_2329\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"col-ms-6 col-sm-6 col-md-3 shop-item\">\n\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/dynamic-balancer-balanset-1a\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\">\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card-image\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/vibromera.eu\/pt-br\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico \u201cBalanset-1A\u201d OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A kit contents with interface unit, sensors, tachometer and accessories\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1024x683.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-1536x1024.webp 1536w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-2048x1366.webp 2048w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-e1732998877834.webp 708w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/pt-br\/product-category\/devices\/\" rel=\"tag\">Dispositivos<\/a><\/span>\n\t\t\t\t\t\t\t\t<h4 class=\"card-title\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"shop-item-title-link\" href=\"https:\/\/vibromera.eu\/pt-br\/product\/dynamic-balancer-balanset-1a\/\" title=\"Balanceador din\u00e2mico \u201cBalanset-1A\u201d OEM\">Balanceador din\u00e2mico \u201cBalanset-1A\u201d OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">&euro;<\/span>1,735.00<\/span> + IVA (se aplic\u00e1vel)<\/h4><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"stats\">\n\t\t\t\t\t\t\t\t\t\t<a rel=\"nofollow\" href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/254?add-to-cart=4193\" data-quantity=\"1\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart btn btn-just-icon btn-simple btn-default\" title=\"Adicionar ao carrinho\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adicionar ao carrinho\" class=\"fas fa-cart-plus\" data-no-translation-data-original-title=\"\"><\/i><\/a>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a><a href=\"\/pt-br\/wp-json\/wp\/v2\/glossary\/254?add-to-cart=4193\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_4193\" data-quantity=\"1\" class=\"button product_type_simple add_to_cart_button ajax_add_to_cart\" data-product_id=\"4193\" data-product_sku=\"BS-1OEM\" aria-label=\"Adicione ao carrinho: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d foi adicionado ao seu carrinho\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adicionar ao carrinho<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_4193\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/section>\n\t\t\n<p><strong>Defeitos do estator<\/strong> s\u00e3o falhas nos enrolamentos estacion\u00e1rios e no n\u00facleo de um motor el\u00e9trico: ruptura do isolamento, curtos-circuitos espira-espira, falhas fase-fase, falhas de aterramento, contamina\u00e7\u00e3o dos enrolamentos e danos \u00e0s l\u00e2minas. Elas s\u00e3o um modo de falha importante \u2014 as falhas nos enrolamentos do estator representam cerca de 30\u201340% de todas as falhas em motores, tornando-se a segunda causa mais comum ap\u00f3s <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/bearing-defects\/\">falhas de rolamento<\/a>. Um estator com falha perturba a simetria magn\u00e9tica do motor&#8217;s, e essa assimetria se manifesta mecanicamente como <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/vibration\/\">vibra\u00e7\u00e3o<\/a> em <strong>duas vezes a frequ\u00eancia da rede<\/strong> (120 Hz em redes de 60 Hz, 100 Hz em redes de 50 Hz), bem como eletricamente por meio de desequil\u00edbrio de corrente, em imagens t\u00e9rmicas e em testes de resist\u00eancia de isolamento.<\/p>\n<p>Compreender os defeitos no estator \u00e9 importante porque eles geralmente se desenvolvem lentamente \u2014 ao longo de meses ou anos \u2014 o que oferece ampla oportunidade para detec\u00e7\u00e3o precoce, mas, se ignorados, podem evoluir para uma queima catastr\u00f3fica envolvendo inc\u00eandio, danos extensos ao motor ou um real risco de seguran\u00e7a. Eles se juntam aos problemas do lado do rotor abordados em <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/electrical-faults\/\">falhas el\u00e9tricas<\/a> e \u00e0 fam\u00edlia mais ampla de <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/motor-defects\/\">defeitos do motor<\/a>.<\/p>\n<h2>1. Tipos de Defeitos no Estator<\/h2>\n<h3>Falhas de isolamento<\/h3>\n<p>A maior categoria individual e quase sempre onde os problemas no estator come\u00e7am.<\/p>\n<ul>\n<li><strong>Curtos-circuitos espira-espira:<\/strong> o isolamento entre espiras adjacentes da mesma bobina falha. As espiras em curto-circuito ent\u00e3o conduzem corrente circulante excessiva e criam um ponto quente local. A falha come\u00e7a pequena e progressivamente envolve mais espiras; ela \u00e9 detectada por desequil\u00edbrio de corrente, pontos quentes t\u00e9rmicos e vibra\u00e7\u00e3o 2\u00d7f elevada \u2014 e representa a maioria das falhas no estator.<\/li>\n<li><strong>Falhas fase-fase:<\/strong> o isolamento entre fases diferentes se rompe. Isso \u00e9 mais grave que um curto-circuito espira-espira e pode causar um desarme imediato ou danos s\u00e9rios, tipicamente se manifestando como um grande desequil\u00edbrio de corrente que pode acionar a prote\u00e7\u00e3o contra sobrecorrente.<\/li>\n<li><strong>Falhas de aterramento (fase-carca\u00e7a):<\/strong> o isolamento entre o enrolamento e a carca\u00e7a falha. Isso \u00e9 uma quest\u00e3o de seguran\u00e7a porque pode energizar a carca\u00e7a do motor e criar um risco de choque el\u00e9trico. \u00c9 detectado pela prote\u00e7\u00e3o contra falhas de aterramento e por testes de resist\u00eancia de isolamento, e geralmente \u00e9 causado pelo envelhecimento do isolamento, contamina\u00e7\u00e3o, danos mec\u00e2nicos ou umidade.<\/li>\n<\/ul>\n<h3>Danos f\u00edsicos nos enrolamentos<\/h3>\n<ul>\n<li><strong>Danos mec\u00e2nicos:<\/strong> bobinas danificadas durante a instala\u00e7\u00e3o ou manuten\u00e7\u00e3o.<\/li>\n<li><strong>Danos t\u00e9rmicos:<\/strong> superaquecimento que degrada tanto o isolamento quanto o cobre.<\/li>\n<li><strong>Contamina\u00e7\u00e3o:<\/strong> \u00f3leo, produtos qu\u00edmicos ou poeira condutiva nos enrolamentos.<\/li>\n<li><strong>Danos por umidade:<\/strong> entrada de \u00e1gua causando rastreamento superficial e curtos-circuitos.<\/li>\n<li><strong>Danos por corona:<\/strong> alta tens\u00e3o ionizando o ar ao redor e corroendo o isolamento.<\/li>\n<\/ul>\n<h3>Problemas nas l\u00e2minas<\/h3>\n<ul>\n<li>L\u00e2minas do n\u00facleo em curto-circuito entre si, reduzindo a efici\u00eancia e causando aquecimento.<\/li>\n<li>L\u00e2minas danificadas ou soltas.<\/li>\n<li>Deslocamento ou mudan\u00e7a do n\u00facleo, o que pode perturbar o <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/air-gap\/\">entreferro<\/a>.<\/li>\n<li>O resultado \u00e9 o aumento das perdas por correntes parasitas e pontos quentes localizados.<\/li>\n<\/ul>\n<h2>2. Causas de Falha no Estator<\/h2>\n<h3>Degrada\u00e7\u00e3o t\u00e9rmica<\/h3>\n<ul>\n<li><strong>Sobrecarga:<\/strong> corrente excessiva aquece os enrolamentos al\u00e9m da classifica\u00e7\u00e3o do isolamento.<\/li>\n<li><strong>Resfriamento bloqueado:<\/strong> ventila\u00e7\u00e3o inadequada acelera o envelhecimento t\u00e9rmico.<\/li>\n<li><strong>Alta temperatura ambiente:<\/strong> reduz a efic\u00e1cia do resfriamento.<\/li>\n<li><strong>Partidas frequentes:<\/strong> correntes de inrush repetidas imp\u00f5em estresse t\u00e9rmico.<\/li>\n<li><strong>Vida \u00fatil do isolamento:<\/strong> como regra geral, a cada 10 \u00b0C acima da temperatura nominal, a vida \u00fatil do isolamento \u00e9 reduzida pela metade.<\/li>\n<\/ul>\n<h3>Tens\u00f5es el\u00e9tricas<\/h3>\n<ul>\n<li><strong>Picos de tens\u00e3o:<\/strong> raios e transientes de comuta\u00e7\u00e3o sobrecarregam o isolamento.<\/li>\n<li><strong>Desequil\u00edbrio de tens\u00e3o:<\/strong> tens\u00f5es de fase desiguais geram correntes circulantes \u2014 intimamente ligadas a <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/electrical-unbalance\/\">desbalanceamento el\u00e9trico<\/a>.<\/li>\n<li><strong>Sobretens\u00e3o:<\/strong> operar acima da tens\u00e3o nominal.<\/li>\n<li><strong>Efeitos do inversor de frequ\u00eancia (VFD):<\/strong> o alto dV\/dt da comuta\u00e7\u00e3o PWM ataca o isolamento, especialmente as primeiras espiras de uma bobina.<\/li>\n<\/ul>\n<h3>Contamina\u00e7\u00e3o e ambiente<\/h3>\n<ul>\n<li><strong>Umidade:<\/strong> umidade ou entrada de \u00e1gua reduzem a resist\u00eancia de isolamento.<\/li>\n<li><strong>Poeira condutiva:<\/strong> part\u00edculas met\u00e1licas ou poeira de carbono fazem ponte no isolamento.<\/li>\n<li><strong>Produtos Qu\u00edmicos:<\/strong> vapores corrosivos ou de solventes atacam o sistema de isolamento.<\/li>\n<li><strong>\u00d3leo e graxa lubrificante:<\/strong> produtos petrol\u00edferos degradam o isolamento org\u00e2nico.<\/li>\n<\/ul>\n<h3>Causas mec\u00e2nicas<\/h3>\n<ul>\n<li><strong>Vibra\u00e7\u00e3o:<\/strong> vibra\u00e7\u00e3o excessiva abrasiona o isolamento.<\/li>\n<li><strong>Ciclagem t\u00e9rmica:<\/strong> a expans\u00e3o e contra\u00e7\u00e3o repetidas flexionam e racham o isolamento.<\/li>\n<li><strong>Contato do rotor:<\/strong> o contato do rotor danifica fisicamente os enrolamentos.<\/li>\n<li><strong>Danos de instala\u00e7\u00e3o:<\/strong> manuseio brusco durante a rebobinagem ou substitui\u00e7\u00e3o.<\/li>\n<\/ul>\n<h2>3. A Assinatura de Vibra\u00e7\u00e3o<\/h2>\n<h3>Indicador principal: duas vezes a frequ\u00eancia da rede<\/h3>\n<p>A marca registrada de um problema no estator \u00e9 a energia em duas vezes a frequ\u00eancia de alimenta\u00e7\u00e3o el\u00e9trica:<\/p>\n<ul>\n<li><strong>Frequ\u00eancia:<\/strong> 120 Hz em sistemas de 60 Hz, 100 Hz em sistemas de 50 Hz \u2014 um m\u00faltiplo da <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/electrical-frequency\/\">frequ\u00eancia el\u00e9trica<\/a>, e n\u00e3o da velocidade do eixo.<\/li>\n<li><strong>Mecanismo:<\/strong> um campo magn\u00e9tico assim\u00e9trico produz uma for\u00e7a eletromagn\u00e9tica desbalanceada, uma forma de <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/magnetic-pull\/\">tra\u00e7\u00e3o magn\u00e9tica<\/a> que pulsa em duas vezes a frequ\u00eancia da rede.<\/li>\n<li><strong>Motores saud\u00e1veis:<\/strong> um componente de 2\u00d7f est\u00e1 sempre presente, mas \u00e9 pequeno (abaixo de ~10% de 1\u00d7).<\/li>\n<li><strong>Defeitos no estator:<\/strong> a amplitude de 2\u00d7f est\u00e1 elevada (acima de ~20\u201350% de 1\u00d7, \u00e0s vezes muito mais alta).<\/li>\n<li><strong>Progress\u00e3o:<\/strong> a amplitude cresce \u00e0 medida que o defeito piora.<\/li>\n<\/ul>\n<p>Um teste pr\u00e1tico distingue um 2\u00d7f magn\u00e9tico de um mec\u00e2nico: corte a energia. Um componente puramente eletromagn\u00e9tico desaparece instantaneamente quando a alimenta\u00e7\u00e3o \u00e9 removida, enquanto um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/running-speed\/\">velocidade de opera\u00e7\u00e3o<\/a> harm\u00f4nico mec\u00e2nico decai apenas conforme o rotor desacelera por in\u00e9rcia.<\/p>\n<h3>Componentes adicionais<\/h3>\n<ul>\n<li>O componente da frequ\u00eancia da rede (1\u00d7f) pode aumentar.<\/li>\n<li>Superior <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/harmonics\/\">harm\u00f4nicos<\/a> (4\u00d7f, 6\u00d7f) podem aparecer.<\/li>\n<li>O n\u00edvel geral de vibra\u00e7\u00e3o pode subir.<\/li>\n<li>A for\u00e7a eletromagn\u00e9tica \u00e9 frequentemente aud\u00edvel como um zumbido de 120\/100 Hz.<\/li>\n<\/ul>\n<h2>4. M\u00e9todos de detec\u00e7\u00e3o<\/h2>\n<h3>Vibration analysis<\/h3>\n<ul>\n<li>Monitore a amplitude da frequ\u00eancia 2\u00d7 da rede e fa\u00e7a o acompanhamento ao longo do tempo.<\/li>\n<li>Compare com um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/baseline\/\">valor de refer\u00eancia<\/a> ou com motores semelhantes.<\/li>\n<li>Acione um alerta quando 2\u00d7f exceder aproximadamente 30% da vibra\u00e7\u00e3o na velocidade de rota\u00e7\u00e3o de 1\u00d7.<\/li>\n<li>Uma tend\u00eancia de crescimento confirma um defeito progressivo, em vez de uma caracter\u00edstica fixa de projeto.<\/li>\n<\/ul>\n<h3>Medi\u00e7\u00f5es de corrente<\/h3>\n<ul>\n<li><strong>Equil\u00edbrio de corrente de fase:<\/strong> me\u00e7a a corrente em cada fase.<\/li>\n<li><strong>Desequil\u00edbrio acima de ~10%:<\/strong> indica um problema nos enrolamentos.<\/li>\n<li><strong>Amper\u00edmetro de gancho:<\/strong> uma medi\u00e7\u00e3o de campo simples.<\/li>\n<li><strong>Analisador de qualidade de energia:<\/strong> an\u00e1lise detalhada da forma de onda da corrente, complementando o trabalho de assinatura de corrente do motor usado para encontrar <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/broken-rotor-bars\/\">barras do rotor quebradas<\/a>.<\/li>\n<\/ul>\n<h3>Teste de resist\u00eancia de isolamento<\/h3>\n<ul>\n<li><strong>Meg\u00f4hmetro (Megger):<\/strong> me\u00e7a a resist\u00eancia dos enrolamentos para o terra.<\/li>\n<li><strong>Aceita\u00e7\u00e3o:<\/strong> tipicamente acima de 1 M\u03a9 por kV, mais um m\u00ednimo de 1 M\u03a9.<\/li>\n<li><strong>Tend\u00eancia (Trending):<\/strong> valores em queda indicam deteriora\u00e7\u00e3o.<\/li>\n<li><strong>\u00cdndice de Polariza\u00e7\u00e3o:<\/strong> a raz\u00e3o entre a leitura de 10 minutos e a de 1 minuto (acima de 2,0 \u00e9 bom, abaixo de 2,0 \u00e9 suspeito).<\/li>\n<\/ul>\n<p>Como o limite de aprova\u00e7\u00e3o\/reprova\u00e7\u00e3o varia com a tens\u00e3o nominal e a temperatura, um <a href=\"https:\/\/vibromera.eu\/pt-br\/calculators\/insulation-resistance-calculator\/\">Interpretador de Resist\u00eancia de Isolamento (Megger)<\/a> \u00e9 \u00fatil para converter uma leitura bruta em um veredicto IEEE 43.<\/p>\n<h3>Termografia<\/h3>\n<ul>\n<li>Uma c\u00e2mera infravermelha revela pontos quentes na carca\u00e7a do motor.<\/li>\n<li>O aquecimento localizado aponta para a localiza\u00e7\u00e3o do defeito no enrolamento.<\/li>\n<li>Um desequil\u00edbrio de temperatura entre as fases \u00e9, por si s\u00f3, um sintoma.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/thermography\/\">Termografia<\/a> pode detectar defeitos em desenvolvimento antes que os testes el\u00e9tricos os sinalizem.<\/li>\n<\/ul>\n<h3>Teste de surto<\/h3>\n<ul>\n<li>Aplica um impulso de tens\u00e3o e compara as respostas das fases.<\/li>\n<li>Detecta curtos entre espiras invis\u00edveis a outros testes.<\/li>\n<li>Requer equipamentos especializados.<\/li>\n<li>Comumente usado em oficinas de motores para verifica\u00e7\u00e3o de qualidade ap\u00f3s uma rebobinagem.<\/li>\n<\/ul>\n<h2>5. Progress\u00e3o e Consequ\u00eancias<\/h2>\n<p>Os defeitos do estator avan\u00e7am por est\u00e1gios reconhec\u00edveis, o que \u00e9 exatamente o que torna um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/condition-monitoring\/\">monitoramento-de-condi\u00e7\u00e3o<\/a> programa t\u00e3o eficaz contra eles:<\/p>\n<ul>\n<li><strong>Est\u00e1gio inicial:<\/strong> uma leve queda na resist\u00eancia de isolamento, um pequeno desequil\u00edbrio de corrente (abaixo de 5%) e um leve aumento na vibra\u00e7\u00e3o de 2\u00d7f \u2014 detect\u00e1vel apenas com testes sens\u00edveis.<\/li>\n<li><strong>Est\u00e1gio moderado:<\/strong> um desequil\u00edbrio de corrente claro (5\u201315%), vibra\u00e7\u00e3o de 2\u00d7f elevada (20\u201350% de 1\u00d7), pontos quentes vis\u00edveis na termografia e resist\u00eancia de isolamento em decl\u00ednio.<\/li>\n<li><strong>Est\u00e1gio avan\u00e7ado:<\/strong> um grande desequil\u00edbrio de corrente (acima de 15%), vibra\u00e7\u00e3o de 2\u00d7f muito alta, superaquecimento \u00f3bvio, baixa resist\u00eancia de isolamento e risco real de falha iminente.<\/li>\n<li><strong>Falha catastr\u00f3fica:<\/strong> queima completa do enrolamento, poss\u00edvel inc\u00eandio ou fuma\u00e7a, disparo de prote\u00e7\u00e3o ou fus\u00edvel queimado e danos extensos que exigem rebobinagem ou substitui\u00e7\u00e3o.<\/li>\n<\/ul>\n<h2>6. A\u00e7\u00f5es Corretivas<\/h2>\n<p><strong>Na detec\u00e7\u00e3o,<\/strong> aumente a frequ\u00eancia de monitoramento de acordo com a severidade, reduza o estresse operacional onde for poss\u00edvel (menor carga ou ciclo de trabalho), planeje a rebobinagem ou substitui\u00e7\u00e3o e investigue a causa raiz para que n\u00e3o se repita simplesmente.<\/p>\n<p><strong>Op\u00e7\u00f5es de reparo<\/strong> dependem em grande parte do tamanho do motor:<\/p>\n<ul>\n<li><strong>Rebobinagem do motor:<\/strong> substituir os enrolamentos do estator \u2014 tipicamente econ\u00f4mico em motores grandes (acima de ~100 HP).<\/li>\n<li><strong>Substitui\u00e7\u00e3o do motor:<\/strong> geralmente mais econ\u00f4mico para motores pequenos (abaixo de ~50 HP).<\/li>\n<li><strong>Substitui\u00e7\u00e3o de bobinas:<\/strong> poss\u00edvel em alguns projetos, substituindo bobinas individuais.<\/li>\n<li><strong>Opera\u00e7\u00e3o tempor\u00e1ria:<\/strong> um defeito em est\u00e1gio inicial pode permitir a opera\u00e7\u00e3o cont\u00ednua sob monitoramento rigoroso enquanto uma substitui\u00e7\u00e3o \u00e9 adquirida.<\/li>\n<\/ul>\n<p><strong>Preven\u00e7\u00e3o<\/strong> trata-se principalmente de permanecer dentro do envelope de projeto: operar dentro da tens\u00e3o, corrente e temperatura nominais; garantir ventila\u00e7\u00e3o e resfriamento adequados; proteger os enrolamentos contra contamina\u00e7\u00e3o com carca\u00e7as e veda\u00e7\u00e3o adequadas; instalar prote\u00e7\u00e3o contra surtos em motores cr\u00edticos; realizar testes peri\u00f3dicos de isolamento (anualmente para m\u00e1quinas cr\u00edticas) e executar levantamentos t\u00e9rmicos para detectar pontos quentes em desenvolvimento.<\/p>\n<h2>7. Onde as Ferramentas de Vibra\u00e7\u00e3o se Encaixam<\/h2>\n<p>Como o sintoma definidor de um defeito de estator \u00e9 mec\u00e2nico \u2014 aquela vibra\u00e7\u00e3o elevada de 2\u00d7 a frequ\u00eancia da rede \u2014, um analisador port\u00e1til \u00e9 uma ferramenta de triagem de primeira linha. Em campo, os engenheiros montam um <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/accelerometer\/\">aceler\u00f4metro<\/a> no motor e usam o <a href=\"https:\/\/vibromera.eu\/pt-br\/produto\/balanset-1\/\">Balanset-1A<\/a> para capturar o <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/spectrum\/\">espectro de vibra\u00e7\u00e3o<\/a>, ler a amplitude da linha de 100\/120 Hz e acompanhar sua tend\u00eancia em rela\u00e7\u00e3o ao valor de refer\u00eancia do motor. O teste com a rede desligada confirma ent\u00e3o se o pico \u00e9 eletromagn\u00e9tico. Para converter os dados da placa de identifica\u00e7\u00e3o nas frequ\u00eancias diagn\u00f3sticas exatas a serem procuradas, o <a href=\"https:\/\/vibromera.eu\/pt-br\/calculators\/motor-electrical-frequencies\/\">Calculadora de Frequ\u00eancia de Defeitos El\u00e9tricos do Motor<\/a> apresenta os termos de frequ\u00eancia da rede, escorregamento e passagem de polos.<\/p>\n<p>Usados juntos \u2014 monitoramento de vibra\u00e7\u00e3o em 2\u00d7 a frequ\u00eancia da rede, <a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/fft\/\">FFT<\/a> an\u00e1lise de corrente, termografia e testes el\u00e9tricos peri\u00f3dicos \u2014 esses m\u00e9todos detectam a grande maioria dos defeitos de estator enquanto ainda s\u00e3o baratos de corrigir. Compreender o caminho desde o leve decaimento do isolamento at\u00e9 a queima catastr\u00f3fica \u00e9 o que permite a uma equipe de manuten\u00e7\u00e3o intervir no momento certo e tomar uma decis\u00e3o fundamentada entre rebobinar ou substituir.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/pt-br\/glossary\/\">\u2190 Voltar ao \u00cdndice Principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Learn about stator defects including insulation failures, turn-to-turn shorts, and winding damage, causing 2X line frequency vibration and detectable through current and thermal analysis.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[109,110],"tags":[],"class_list":["post-254","glossary","type-glossary","status-publish","hentry","category-glossary","category-vibration-diagnostics"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/254\/revisions"}],"predecessor-version":[{"id":101412,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/glossary\/254\/revisions\/101412"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/media?parent=254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/categories?post=254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/pt-br\/wp-json\/wp\/v2\/tags?post=254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}