{"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\/ro\/glossary\/stator-defects\/","title":{"rendered":"Ce sunt defectele statorului? Defec\u021biuni ale \u00eenf\u0103\u0219ur\u0103rilor motoarelor"},"content":{"rendered":"<h1>\u00cen\u021belegerea defectelor statorului la motoarele electrice<\/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\/ro\/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\/ro\/product\/balanset-1\/\" title=\"Echilibrator portabil \u0219i analizor de vibra\u021bii 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 kit complet \u2014 echilibrator portabil \u0219i analizor de vibra\u021bii\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/product\/balanset-1\/\" title=\"Echilibrator portabil \u0219i analizor de vibra\u021bii Balanset-1A\">Echilibrator portabil \u0219i analizor de vibra\u021bii 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\">\u20ac<\/span>1,975.00<\/span> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Portable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201ePortable balancer &amp; Vibration analyzer Balanset-1A\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/vibration-sensor\/\" title=\"Senzor de vibra\u021bii\">\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=\"Prim-plan senzor de vibra\u021bii Balanset-1A\" 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/vibration-sensor\/\" title=\"Senzor de vibra\u021bii\">Senzor de vibra\u021bii<\/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\">\u20ac<\/span>90.00<\/span> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Vibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201eVibration sensor\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Senzor optic (tahometru cu 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=\"Senzor optic (tahometru cu 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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Senzor optic (tahometru cu laser)\">Senzor optic (tahometru cu 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\">\u20ac<\/span>124.00<\/span> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Optical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201eOptical Sensor (Laser Tachometer)\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/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=\"Kit de echilibrare a rotorului Vibromera: geant\u0103 de transport, condi\u021bioner de semnal multicanal, analizor portabil, baz\u0103 magnetic\u0103, senzori de vibra\u021bii \u0219i cabluri spiralate.\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/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\">\u20ac<\/span>6,803.00<\/span> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Balanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201eBalanset-4\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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\/ro\/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\/ro\/product\/magnet-stand\/\" title=\"Stand magnetic 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=\"Baza magnetic\u0103.\" 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, 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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\">\u20ac<\/span>46.00<\/span> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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 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\/>\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\/ro\/product-category\/parts\/\" rel=\"tag\">Piese<\/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\/ro\/product\/reflective-tape\/\" title=\"Band\u0103 reflectorizant\u0103\">Band\u0103 reflectorizant\u0103<\/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\">\u20ac<\/span>10.00<\/span> + TVA (dac\u0103 este cazul)<\/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\" 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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=\"Con\u021binutul kitului Balanset-1A cu unitate de interfa\u021b\u0103, senzori, tahometru \u0219i accesorii\" 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\/ro\/product-category\/devices\/\" rel=\"tag\">Dispozitive<\/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\/ro\/product\/dynamic-balancer-balanset-1a\/\" title=\"Echilibrator dinamic &quot;Balanset-1A&quot; OEM\">Echilibrator dinamic \"Balanset-1A\" 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\">\u20ac<\/span>1,735.00<\/span> + TVA (dac\u0103 este cazul)<\/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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Adaug\u0103 \u00een co\u0219\" 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=\"\/ro\/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=\"Adaug\u0103 \u00een co\u0219: &amp;lbquo;Dynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201eDynamic balancer \u201cBalanset-1A\u201d OEM\u201d a fost ad\u0103ugat \u00een co\u0219\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Adaug\u0103 \u00een co\u0219<\/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>Defecte ale statorului<\/strong> Printre defectele \u00eenf\u0103\u0219ur\u0103rilor statorului \u0219i ale miezului unui motor electric se num\u0103r\u0103: ruperea izola\u021biei, scurtcircuitele \u00eentre spire, defectele \u00eentre faze, defectele la p\u0103m\u00e2nt, contaminarea \u00eenf\u0103\u0219ur\u0103rilor \u0219i deteriorarea lamelor. Acestea reprezint\u0103 o cauz\u0103 major\u0103 de defectare \u2014 defectele \u00eenf\u0103\u0219ur\u0103rilor statorului reprezint\u0103 aproximativ 30\u201340% din totalul defectelor motoarelor, ceea ce le face a doua cauz\u0103 cea mai frecvent\u0103 dup\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/bearing-defects\/\">defec\u021biuni ale rulmen\u021bilor<\/a>. Un stator defect perturb\u0103 simetria magnetic\u0103 a motorului, iar aceast\u0103 asimetrie se manifest\u0103 din punct de vedere mecanic prin <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/vibration\/\">vibra\u021bii<\/a> la <strong>dublul frecven\u021bei de linie<\/strong> (120 Hz la re\u021bele de 60 Hz, 100 Hz la re\u021bele de 50 Hz), precum \u0219i din punct de vedere electric prin dezechilibrul de curent, pe imagini termice \u0219i \u00een cadrul testelor de rezisten\u021b\u0103 a izola\u021biei.<\/p>\n<p>Este important s\u0103 \u00een\u021belegem defectele statorului, deoarece acestea se dezvolt\u0103 de obicei lent \u2014 pe parcursul a c\u00e2teva luni sau ani \u2014, ceea ce ofer\u0103 suficiente \u0219anse pentru o detectare timpurie; totu\u0219i, dac\u0103 nu sunt remediate, ele pot duce la o ardere catastrofal\u0103, care poate implica incendii, avarii grave ale motorului sau un pericol real pentru siguran\u021b\u0103. Acestea se al\u0103tur\u0103 problemelor legate de rotor, tratate \u00een <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/electrical-faults\/\">defec\u021biuni electrice<\/a> \u0219i familia mai larg\u0103 a <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/motor-defects\/\">defecte ale motorului<\/a>.<\/p>\n<h2>1. Tipuri de defecte ale statorului<\/h2>\n<h3>Defec\u021biuni ale izola\u021biei<\/h3>\n<p>Cea mai mare categorie \u00een sine \u0219i, aproape \u00eentotdeauna, locul de unde \u00eencep problemele cu statorul.<\/p>\n<ul>\n<li><strong>Scurtcircuite \u00eentre spire:<\/strong> izola\u021bia dintre spirele adiacente ale aceleia\u0219i bobine cedeaz\u0103. Spirele scurtcircuitate conduc atunci un curent de circula\u021bie excesiv \u0219i genereaz\u0103 un punct fierbinte local. Defec\u021biunea \u00eencepe la scar\u0103 mic\u0103 \u0219i afecteaz\u0103 treptat tot mai multe spire; aceasta este detectat\u0103 prin dezechilibru de curent, puncte fierbin\u021bi termice \u0219i vibra\u021bii 2\u00d7f crescute \u2014 \u0219i reprezint\u0103 cauza majorit\u0103\u021bii defec\u021biunilor statorului.<\/li>\n<li><strong>Defec\u021biuni \u00eentre faze:<\/strong> izola\u021bia dintre faze se deterioreaz\u0103. Aceast\u0103 situa\u021bie este mai grav\u0103 dec\u00e2t un scurtcircuit \u00eentre spire \u0219i poate provoca o declan\u0219are imediat\u0103 sau avarii grave, manifest\u00e2ndu-se de obicei printr-un dezechilibru mare de curent care poate declan\u0219a protec\u021bia la supracurent.<\/li>\n<li><strong>Defec\u021biuni la p\u0103m\u00e2nt (faz\u0103-carcas\u0103):<\/strong> izola\u021bia dintre bobinaj \u0219i carcas\u0103 se deterioreaz\u0103. Aceasta reprezint\u0103 o problem\u0103 de siguran\u021b\u0103, deoarece poate duce la alimentarea cu curent a carcasei motorului \u0219i poate genera un risc de electrocutare. Aceast\u0103 defec\u021biune este detectat\u0103 de sistemul de protec\u021bie la defect la p\u0103m\u00e2nt \u0219i prin testarea rezisten\u021bei de izola\u021bie, fiind de obicei cauzat\u0103 de \u00eemb\u0103tr\u00e2nirea izola\u021biei, contaminare, deterior\u0103ri mecanice sau umiditate.<\/li>\n<\/ul>\n<h3>Deterior\u0103ri fizice ale \u00eenf\u0103\u0219ur\u0103rii<\/h3>\n<ul>\n<li><strong>Daune mecanice:<\/strong> bobinele deteriorate \u00een timpul instal\u0103rii sau \u00eentre\u021binerii.<\/li>\n<li><strong>Deteriorare termic\u0103:<\/strong> supra\u00eenc\u0103lzirea care afecteaz\u0103 at\u00e2t izola\u021bia, c\u00e2t \u0219i cuprul.<\/li>\n<li><strong>Contaminare:<\/strong> ulei, substan\u021be chimice sau praf conductiv pe bobinaje.<\/li>\n<li><strong>Daune cauzate de umiditate:<\/strong> p\u0103trunderea apei, care provoac\u0103 urme de curent la suprafa\u021b\u0103 \u0219i scurtcircuite.<\/li>\n<li><strong>Deteriorare prin efect corona:<\/strong> tensiunea \u00eenalt\u0103 care ionizeaz\u0103 aerul din jur \u0219i erodeaz\u0103 izola\u021bia.<\/li>\n<\/ul>\n<h3>Probleme legate de laminare<\/h3>\n<ul>\n<li>Tolele din miez au intrat \u00een scurtcircuit \u00eentre ele, reduc\u00e2nd randamentul \u0219i provoc\u00e2nd supra\u00eenc\u0103lzirea.<\/li>\n<li>Tole deteriorate sau sl\u0103bite.<\/li>\n<li>Deplasarea sau dislocarea miezului, care poate perturba <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/air-gap\/\">\u00eentrefier<\/a>.<\/li>\n<li>Rezultatul este o cre\u0219tere a pierderilor prin curen\u021bi turbionari \u0219i apari\u021bia unor puncte de supra\u00eenc\u0103lzire localizate.<\/li>\n<\/ul>\n<h2>2. Cauzele defect\u0103rii statorului<\/h2>\n<h3>Degradarea termic\u0103<\/h3>\n<ul>\n<li><strong>Suprasarcin\u0103:<\/strong> Un curent excesiv \u00eenc\u0103lze\u0219te \u00eenf\u0103\u0219ur\u0103rile peste limita de rezisten\u021b\u0103 a izola\u021biei acestora.<\/li>\n<li><strong>R\u0103cire blocat\u0103:<\/strong> O ventila\u021bie deficitar\u0103 accelereaz\u0103 \u00eemb\u0103tr\u00e2nirea termic\u0103.<\/li>\n<li><strong>Temperatur\u0103 ambiental\u0103 ridicat\u0103:<\/strong> diminueaz\u0103 eficien\u021ba r\u0103cirii.<\/li>\n<li><strong>Porniri frecvente:<\/strong> Curentele de pornire repetate genereaz\u0103 solicit\u0103ri termice.<\/li>\n<li><strong>Durata de via\u021b\u0103 a izola\u021biei:<\/strong> Ca regul\u0103 general\u0103, fiecare cre\u0219tere cu 10 \u00b0C peste temperatura nominal\u0103 reduce la jum\u0103tate durata de via\u021b\u0103 a izola\u021biei.<\/li>\n<\/ul>\n<h3>Solicit\u0103ri electrice<\/h3>\n<ul>\n<li><strong>Supratensiuni:<\/strong> Fulgerele \u0219i tranzitorii de comuta\u021bie solicit\u0103 izola\u021bia.<\/li>\n<li><strong>Dezechilibru de tensiune:<\/strong> Tensiunile de faz\u0103 inegale genereaz\u0103 curen\u021bi de circula\u021bie \u2014 str\u00e2ns lega\u021bi de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/electrical-unbalance\/\">dezechilibru electric<\/a>.<\/li>\n<li><strong>Over-voltage:<\/strong> func\u021bion\u00e2nd la o tensiune mai mare dec\u00e2t cea nominal\u0103.<\/li>\n<li><strong>VFD effects:<\/strong> Varia\u021bia rapid\u0103 a tensiunii (dV\/dt) generat\u0103 de comuta\u021bia PWM afecteaz\u0103 izola\u021bia, \u00een special primele spire ale unei bobine.<\/li>\n<\/ul>\n<h3>Contaminarea \u0219i mediul<\/h3>\n<ul>\n<li><strong>Umiditate:<\/strong> Umiditatea sau p\u0103trunderea apei reduce rezisten\u021ba de izola\u021bie.<\/li>\n<li><strong>Praf conductiv:<\/strong> particulele metalice sau praful de carbon formeaz\u0103 pun\u021bi peste izola\u021bie.<\/li>\n<li><strong>Substan\u021be chimice:<\/strong> vaporii corozivi sau de solven\u021bi afecteaz\u0103 sistemul de izola\u021bie.<\/li>\n<li><strong>Ulei \u0219i unsoare:<\/strong> produsele petroliere deterioreaz\u0103 izola\u021bia organic\u0103.<\/li>\n<\/ul>\n<h3>Cauze mecanice<\/h3>\n<ul>\n<li><strong>Vibra\u021bii:<\/strong> Vibra\u021biile excesive uzeaz\u0103 izola\u021bia.<\/li>\n<li><strong>Cicluri termice:<\/strong> Expansiunile \u0219i contrac\u021biile repetate deformeaz\u0103 \u0219i fisureaz\u0103 izola\u021bia.<\/li>\n<li><strong>Rotor strikes:<\/strong> Contactul rotorului provoac\u0103 deteriorarea fizic\u0103 a \u00eenf\u0103\u0219ur\u0103rilor.<\/li>\n<li><strong>Deteriorarea instal\u0103rii:<\/strong> manipularea brut\u0103 \u00een timpul rebobin\u0103rii sau \u00eenlocuirii.<\/li>\n<\/ul>\n<h2>3. Semn\u0103tura vibra\u021bional\u0103<\/h2>\n<h3>Indicator principal: de dou\u0103 ori frecven\u021ba de linie<\/h3>\n<p>Semnul distinctiv al unei defec\u021biuni la stator este prezen\u021ba unei frecven\u021be de dou\u0103 ori mai mare dec\u00e2t frecven\u021ba re\u021belei electrice:<\/p>\n<ul>\n<li><strong>Frecven\u0163\u0103:<\/strong> 120 Hz \u00een re\u021belele de 60 Hz, 100 Hz \u00een re\u021belele de 50 Hz \u2014 un multiplu al <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/electrical-frequency\/\">frecven\u021ba electric\u0103<\/a>, nu de viteza arborelui.<\/li>\n<li><strong>Mecanism:<\/strong> un c\u00e2mp magnetic asimetric produce o for\u021b\u0103 electromagnetic\u0103 dezechilibrat\u0103, o form\u0103 de <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/magnetic-pull\/\">atrac\u021bie magnetic\u0103<\/a> care pulseaz\u0103 la o frecven\u021b\u0103 dubl\u0103 fa\u021b\u0103 de cea a re\u021belei.<\/li>\n<li><strong>Motoare \u00een stare bun\u0103:<\/strong> o component\u0103 de 2\u00d7f este \u00eentotdeauna prezent\u0103, dar de intensitate redus\u0103 (sub ~10% din 1\u00d7).<\/li>\n<li><strong>Defecte ale statorului:<\/strong> amplitudinea de 2\u00d7f este crescut\u0103 (peste ~20\u201350% din cea de 1\u00d7, uneori mult mai mare).<\/li>\n<li><strong>Progresie:<\/strong> amplitudinea cre\u0219te pe m\u0103sur\u0103 ce defectul se agraveaz\u0103.<\/li>\n<\/ul>\n<p>Un test practic permite diferen\u021bierea unui 2\u00d7f magnetic de unul mecanic: \u00eentrerupe\u021bi alimentarea cu energie. O component\u0103 pur electromagnetic\u0103 dispare instantaneu la \u00eentreruperea aliment\u0103rii, \u00een timp ce una mecanic\u0103 <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/running-speed\/\">viteza de func\u021bionare<\/a> armonicele se atenueaz\u0103 doar pe m\u0103sur\u0103 ce rotorul \u00eencetine\u0219te.<\/p>\n<h3>Componente suplimentare<\/h3>\n<ul>\n<li>Componenta de frecven\u021b\u0103 de re\u021bea (1\u00d7f) poate cre\u0219te.<\/li>\n<li>Superior <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/harmonics\/\">armonice<\/a> (4\u00d7f, 6\u00d7f) pot ap\u0103rea.<\/li>\n<li>Nivelul general de vibra\u021bii poate cre\u0219te.<\/li>\n<li>For\u021ba electromagnetic\u0103 se aude adesea sub forma unui zumzet de 120\/100 Hz.<\/li>\n<\/ul>\n<h2>4. Metode de detectare<\/h2>\n<h3>Analiza vibra\u021biilor<\/h3>\n<ul>\n<li>Monitoriza\u021bi amplitudinea la de dou\u0103 ori frecven\u021ba de linie \u0219i analiza\u021bi evolu\u021bia acesteia \u00een timp.<\/li>\n<li>Compara\u021bi cu un <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/baseline\/\">linie de baz\u0103<\/a> sau \u00een compara\u021bie cu motoare similare.<\/li>\n<li>Ridica\u021bi o alert\u0103 atunci c\u00e2nd valoarea 2\u00d7f dep\u0103\u0219e\u0219te aproximativ 30% din vibra\u021bia la viteza de func\u021bionare 1\u00d7.<\/li>\n<li>O tendin\u021b\u0103 ascendent\u0103 confirm\u0103 mai degrab\u0103 o defec\u021biune progresiv\u0103 dec\u00e2t o caracteristic\u0103 de proiectare fix\u0103.<\/li>\n<\/ul>\n<h3>M\u0103sur\u0103tori de curent<\/h3>\n<ul>\n<li><strong>Echilibrul curentului de faz\u0103:<\/strong> m\u0103sura\u021bi curentul \u00een fiecare faz\u0103.<\/li>\n<li><strong>Dezechilibru de peste ~10%:<\/strong> indic\u0103 o problem\u0103 la bobinaj.<\/li>\n<li><strong>Cle\u0219te ampermetric:<\/strong> o simpl\u0103 m\u0103sur\u0103toare pe teren.<\/li>\n<li><strong>Analizor de calitate a energiei:<\/strong> o analiz\u0103 detaliat\u0103 a formei de und\u0103 a curentului, care completeaz\u0103 studiul caracteristicilor curentului motorului utilizat pentru a identifica <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/broken-rotor-bars\/\">bare de rotor rupte<\/a>.<\/li>\n<\/ul>\n<h3>Testarea rezisten\u021bei de izola\u021bie<\/h3>\n<ul>\n<li><strong>Megaohmetru (Megger):<\/strong> m\u0103soar\u0103 rezisten\u021ba dintre bobinaj \u0219i mas\u0103.<\/li>\n<li><strong>Acceptare:<\/strong> de obicei peste 1 M\u03a9 pe kV, plus o valoare minim\u0103 de 1 M\u03a9.<\/li>\n<li><strong>Analiza tendin\u021bei:<\/strong> sc\u0103derea valorilor indic\u0103 o deteriorare.<\/li>\n<li><strong>Indicele de polarizare:<\/strong> raportul dintre valoarea m\u0103surat\u0103 la 10 minute \u0219i cea m\u0103surat\u0103 la 1 minut (o valoare peste 2,0 este bun\u0103, una sub 2,0 este suspect\u0103).<\/li>\n<\/ul>\n<p>Deoarece pragul de acceptare\/respingere variaz\u0103 \u00een func\u021bie de tensiunea nominal\u0103 \u0219i de temperatur\u0103, un <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/insulation-resistance-calculator\/\">Interpretarea rezisten\u021bei de izola\u021bie (Megger)<\/a> este util pentru a transforma o valoare brut\u0103 \u00eentr-un rezultat conform standardului IEEE 43.<\/p>\n<h3>Termografie<\/h3>\n<ul>\n<li>O camer\u0103 cu infraro\u0219u detecteaz\u0103 punctele fierbin\u021bi de pe carcasa motorului.<\/li>\n<li>\u00cenc\u0103lzirea localizat\u0103 indic\u0103 locul defectului la bobinaj.<\/li>\n<li>Un dezechilibru de temperatur\u0103 \u00eentre faze constituie \u00een sine un simptom.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/thermography\/\">Termografie<\/a> poate depista defectele \u00een curs de apari\u021bie \u00eenainte ca testele electrice s\u0103 le semnaleze.<\/li>\n<\/ul>\n<h3>Surge testing<\/h3>\n<ul>\n<li>Aplic\u0103 un impuls de tensiune \u0219i compar\u0103 r\u0103spunsurile de faz\u0103.<\/li>\n<li>Detecteaz\u0103 scurtcircuitele \u00eentre spire, care nu pot fi identificate prin alte metode de testare.<\/li>\n<li>Este necesar un echipament specializat.<\/li>\n<li>Se utilizeaz\u0103 frecvent \u00een atelierele de repara\u021bii a motoarelor electrice pentru verificarea calit\u0103\u021bii dup\u0103 o rebobinare.<\/li>\n<\/ul>\n<h2>5. Evolu\u021bia \u0219i consecin\u021bele<\/h2>\n<p>Defec\u021biunile statorului evolueaz\u0103 prin etape u\u0219or de recunoscut, iar tocmai acest lucru face ca un <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/condition-monitoring\/\">monitorizarea st\u0103rii<\/a> un program at\u00e2t de eficient \u00eempotriva lor:<\/p>\n<ul>\n<li><strong>Early stage:<\/strong> o u\u0219oar\u0103 sc\u0103dere a rezisten\u021bei de izola\u021bie, un mic dezechilibru de curent (sub 5%) \u0219i o cre\u0219tere nesemnificativ\u0103 a vibra\u021biei de 2\u00d7f \u2014 detectabile doar prin teste de mare precizie.<\/li>\n<li><strong>Stadiu moderat:<\/strong> un dezechilibru evident al curentului (5\u201315%), o vibra\u021bie de 2\u00d7f crescut\u0103 (20\u201350% din 1\u00d7), puncte fierbin\u021bi vizibile pe imaginile termice \u0219i o sc\u0103dere a rezisten\u021bei de izola\u021bie.<\/li>\n<li><strong>Stadiu avansat:<\/strong> un dezechilibru de curent semnificativ (peste 15%), vibra\u021bii de 2\u00d7f foarte intense, supra\u00eenc\u0103lzire evident\u0103, rezisten\u021b\u0103 de izola\u021bie sc\u0103zut\u0103 \u0219i un risc real de defectare iminent\u0103.<\/li>\n<li><strong>Defec\u021biune grav\u0103:<\/strong> arderea complet\u0103 a bobinajului, posibilitatea apari\u021biei unui incendiu sau a fumului, declan\u0219area dispozitivului de protec\u021bie sau arderea unei siguran\u021be, precum \u0219i avarii grave care necesit\u0103 rebobinarea sau \u00eenlocuirea.<\/li>\n<\/ul>\n<h2>6. M\u0103suri corective<\/h2>\n<p><strong>La detectare,<\/strong> cre\u0219te\u021bi frecven\u021ba monitoriz\u0103rii \u00een func\u021bie de gravitatea problemei, reduce\u021bi solicitarea de func\u021bionare acolo unde este posibil (prin reducerea sarcinii sau a ciclului de func\u021bionare), planifica\u021bi rebobinarea sau \u00eenlocuirea \u0219i identifica\u021bi cauza principal\u0103 pentru a evita reapari\u021bia problemei.<\/p>\n<p><strong>Repair options<\/strong> depind \u00een mare m\u0103sur\u0103 de dimensiunea motorului:<\/p>\n<ul>\n<li><strong>Rebobinarea motorului:<\/strong> \u00eenlocuirea \u00eenf\u0103\u0219ur\u0103rilor statorului \u2014 o solu\u021bie rentabil\u0103, de obicei, \u00een cazul motoarelor de mare putere (peste ~100 CP).<\/li>\n<li><strong>\u00cenlocuirea motorului:<\/strong> de obicei, mai economic pentru motoarele de mic\u0103 putere (sub ~50 CP).<\/li>\n<li><strong>\u00cenlocuirea bobinei:<\/strong> posibil \u00een anumite modele, prin \u00eenlocuirea bobinelor individuale.<\/li>\n<li><strong>Func\u021bionare temporar\u0103:<\/strong> o defec\u021biune \u00een stadiu incipient poate permite continuarea func\u021bion\u0103rii sub supraveghere atent\u0103, p\u00e2n\u0103 la procurarea unei piese de schimb.<\/li>\n<\/ul>\n<p><strong>Prevenirea<\/strong> se refer\u0103 \u00een principal la respectarea limitelor de proiectare: func\u021bionarea \u00een limitele tensiunii, curentului \u0219i temperaturii nominale; asigurarea unei ventila\u021bii \u0219i r\u0103ciri adecvate; protejarea \u00eenf\u0103\u0219ur\u0103rilor \u00eempotriva contamin\u0103rii prin utilizarea unor carcase \u0219i etan\u0219\u0103ri corespunz\u0103toare; instalarea de dispozitive de protec\u021bie \u00eempotriva supratensiunii la motoarele critice; efectuarea de teste periodice de izola\u021bie (anual pentru ma\u0219inile critice); \u0219i realizarea de analize termice pentru a depista punctele fierbin\u021bi \u00een formare.<\/p>\n<h2>7. Locul instrumentelor de analiz\u0103 a vibra\u021biilor<\/h2>\n<p>Deoarece simptomul caracteristic al unei defec\u021biuni a statorului este de natur\u0103 mecanic\u0103 \u2014 acea vibra\u021bie cu frecven\u021b\u0103 dubl\u0103 fa\u021b\u0103 de cea a re\u021belei \u2014 un analizor portabil reprezint\u0103 un instrument de diagnosticare de prim\u0103 linie. Pe teren, inginerii monteaz\u0103 un <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/accelerometer\/\">accelerometru<\/a> pe motor \u0219i folosi\u021bi <a href=\"https:\/\/vibromera.eu\/ro\/produs\/balanset-1\/\">Balanset-1A<\/a> to capture the <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/spectrum\/\">spectrul de vibra\u021bii<\/a>, cite\u0219te amplitudinea liniei de 100\/120 Hz \u0219i o compar\u0103 cu valoarea de referin\u021b\u0103 a motorului. Testul cu alimentarea oprit\u0103 confirm\u0103 apoi dac\u0103 v\u00e2rful este de natur\u0103 electromagnetic\u0103. Pentru a transforma datele de pe pl\u0103cu\u021ba de identificare \u00een frecven\u021bele exacte de diagnostic pe care trebuie s\u0103 le c\u0103ut\u0103m, <a href=\"https:\/\/vibromera.eu\/ro\/calculators\/motor-electrical-frequencies\/\">Calculator de frecven\u021b\u0103 a defectelor electrice ale motorului<\/a> prezint\u0103 no\u021biunile de frecven\u021b\u0103 de linie, alunecare \u0219i trecere prin pol.<\/p>\n<p>Utilizate \u00eempreun\u0103 \u2014 monitorizarea vibra\u021biilor la o frecven\u021b\u0103 dubl\u0103 fa\u021b\u0103 de cea a re\u021belei, <a href=\"https:\/\/vibromera.eu\/ro\/glossary\/fft\/\">FFT<\/a> analiza curentului, termoviziunea \u0219i test\u0103rile electrice periodice \u2014 aceste metode permit depistarea majorit\u0103\u021bii defectelor statorului \u00eenc\u0103 din faza \u00een care remedierea lor este pu\u021bin costisitoare. \u00cen\u021belegerea parcursului de la deteriorarea minor\u0103 a izola\u021biei p\u00e2n\u0103 la arderea catastrofal\u0103 a statorului este ceea ce permite echipei de \u00eentre\u021binere s\u0103 intervin\u0103 la momentul potrivit \u0219i s\u0103 ia o decizie fundamentat\u0103 cu privire la alegerea \u00eentre rebobinare \u0219i \u00eenlocuire.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/ro\/glossary\/\">\u2190 \u00cenapoi la indexul principal<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Afla\u021bi despre defectele statorului, inclusiv defec\u021biunile izola\u021biei, scurtcircuitele \u00eentre spire \u0219i deteriorarea \u00eenf\u0103\u0219ur\u0103rilor, care cauzeaz\u0103 vibra\u021bii de 2X frecven\u021ba liniei \u0219i care pot fi detectate prin analiza curentului \u0219i termic\u0103.<\/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\/ro\/wp-json\/wp\/v2\/glossary\/254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/254\/revisions"}],"predecessor-version":[{"id":101412,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/glossary\/254\/revisions\/101412"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/media?parent=254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/categories?post=254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/ro\/wp-json\/wp\/v2\/tags?post=254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}