{"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\/sv\/glossary\/stator-defects\/","title":{"rendered":"Vad \u00e4r statorfel? Lindningsfel i motorer"},"content":{"rendered":"<h1>F\u00f6rst\u00e5 statorfel i elmotorer<\/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\/sv\/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\/sv\/product\/balanset-1\/\" title=\"Portabel balanserare &amp; vibrationsanalysator 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 komplett kit med portabel balanserare och vibrationsanalysator\" 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\/sv\/product-category\/devices\/\" rel=\"tag\">Enheter<\/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\/sv\/product\/balanset-1\/\" title=\"Portabel balanserare &amp; vibrationsanalysator Balanset-1A\">Portabel balanserare &amp; vibrationsanalysator 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> + moms (om till\u00e4mpligt)<\/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=\"\/sv\/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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/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=\"L\u00e4gg till i varukorgen: \u201dPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Portable balancer &amp; Vibration analyzer Balanset-1A&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/product\/vibration-sensor\/\" title=\"Vibrationssensor\">\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 vibrationssensor - n\u00e4rbild\" 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\/sv\/product-category\/parts\/\" rel=\"tag\">Delar<\/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\/sv\/product\/vibration-sensor\/\" title=\"Vibrationssensor\">Vibrationssensor<\/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> + moms (om till\u00e4mpligt)<\/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=\"\/sv\/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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/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=\"L\u00e4gg till i varukorgen: \u201dVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Vibration sensor&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optisk sensor (lasertakometer)\">\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=\"Optisk sensor (lasertakometer)\" 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\/sv\/product-category\/parts\/\" rel=\"tag\">Delar<\/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\/sv\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optisk sensor (lasertakometer)\">Optisk sensor (lasertakometer)<\/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> + moms (om till\u00e4mpligt)<\/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=\"\/sv\/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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/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=\"L\u00e4gg till i varukorgen: \u201dOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Optical Sensor (Laser Tachometer)&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/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 rotorbalanseringssats: b\u00e4rv\u00e4ska, flerkanalig signalkonditionerare, handh\u00e5llen analysator, magnetisk bas, vibrationssensorer och spiralformade kablar.\" 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\/sv\/product-category\/devices\/\" rel=\"tag\">Enheter<\/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\/sv\/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> + moms (om till\u00e4mpligt)<\/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=\"\/sv\/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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/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=\"L\u00e4gg till i varukorgen: \u201dBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Balanset-4&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/product\/magnet-stand\/\" title=\"Magnetiskt stativ 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=\"Magnetf\u00e4ste.\" 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\/sv\/product-category\/parts\/\" rel=\"tag\">Delar<\/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\/sv\/product\/magnet-stand\/\" title=\"Magnetiskt stativ Insize-60-kgf\">Magnetiskt stativ 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> + moms (om till\u00e4mpligt)<\/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=\"\/sv\/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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/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=\"L\u00e4gg till i varukorgen: \u201dMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Magnetic Stand Insize-60-kgf&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/product\/reflective-tape\/\" title=\"Reflekterande tejp\">\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=\"Reflekterande tejp\" 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\/sv\/product-category\/parts\/\" rel=\"tag\">Delar<\/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\/sv\/product\/reflective-tape\/\" title=\"Reflekterande tejp\">Reflekterande tejp<\/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> + moms (om till\u00e4mpligt)<\/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=\"\/sv\/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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/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=\"L\u00e4gg till i varukorgen: \u201dReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Reflective tape&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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\/sv\/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\/sv\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamisk balanserare &quot;Balanset-1A&quot; 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, inneh\u00e5ll med gr\u00e4nssnittsenhet, givare, varvr\u00e4knare och tillbeh\u00f6r\" 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\/sv\/product-category\/devices\/\" rel=\"tag\">Enheter<\/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\/sv\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynamisk balanserare &quot;Balanset-1A&quot; OEM\">Dynamisk balanserare \"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> + moms (om till\u00e4mpligt)<\/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=\"\/sv\/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=\"L\u00e4gg till i varukorg\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"L\u00e4gg till i varukorg\" 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=\"\/sv\/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=\"L\u00e4gg till i varukorgen: \u201dDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"&quot;Dynamic balancer \u201cBalanset-1A\u201d OEM&quot; har lagts till i din varukorg\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">L\u00e4gg till i varukorg<\/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>Statordefekter<\/strong> \u00e4r fel i en elmotors statorlindningar och k\u00e4rna: isolationsgenombrott, kortslutningar mellan lindningsvarv, kortslutningar mellan faser, jordfel, f\u00f6roreningar i lindningarna och skador p\u00e5 lamellerna. Dessa utg\u00f6r en av de vanligaste orsakerna till fel \u2013 fel i statorlindningarna st\u00e5r f\u00f6r ungef\u00e4r 30\u201340 % av alla motorfel, vilket g\u00f6r dem till den n\u00e4st vanligaste orsaken efter <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/bearing-defects\/\">lagerfel<\/a>. En defekt stator st\u00f6r motorns magnetiska symmetri, och denna asymmetri visar sig mekaniskt som <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/vibration\/\">vibrationer<\/a> p\u00e5 <strong>dubbla n\u00e4tfrekvensen<\/strong> (120 Hz vid 60 Hz-n\u00e4t, 100 Hz vid 50 Hz-n\u00e4t), liksom elektriskt genom str\u00f6mobalans, p\u00e5 v\u00e4rmebilder och vid isolationsmotst\u00e5ndsm\u00e4tningar.<\/p>\n<p>Det \u00e4r viktigt att f\u00f6rst\u00e5 statorfel eftersom de oftast utvecklas l\u00e5ngsamt \u2013 under m\u00e5nader eller \u00e5r \u2013 vilket ger gott om m\u00f6jligheter till tidig uppt\u00e4ckt. Om de d\u00e4remot l\u00e4mnas obehandlade kan de eskalera till ett katastrofalt motorhaveri som kan leda till brand, omfattande motorskador eller en allvarlig s\u00e4kerhetsrisk. Dessa problem f\u00f6rekommer parallellt med de rotorsidiga problem som behandlas i <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/electrical-faults\/\">elektriska fel<\/a> och den bredare familjen av <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/motor-defects\/\">motor defects<\/a>.<\/p>\n<h2>1. Olika typer av statorfel<\/h2>\n<h3>Isoleringsfel<\/h3>\n<p>Den st\u00f6rsta enskilda kategorin, och n\u00e4stan alltid d\u00e4r problemen med statorn b\u00f6rjar.<\/p>\n<ul>\n<li><strong>Kortslutningar mellan varv:<\/strong> isoleringen mellan intilliggande varv i samma spole slutar fungera. De kortslutna varven leder d\u00e5 en alltf\u00f6r h\u00f6g cirkulationsstr\u00f6m och skapar en lokal \u00f6verhettningspunkt. Felet b\u00f6rjar i liten skala och drabbar successivt fler varv; det uppt\u00e4cks genom str\u00f6mobalans, termiska \u00f6verhettningspunkter och f\u00f6rh\u00f6jd 2\u00d7f-vibration \u2013 och st\u00e5r f\u00f6r majoriteten av statorhaverierna.<\/li>\n<li><strong>Fas-till-fas-fel:<\/strong> isoleringen mellan olika faser bryts ned. Detta \u00e4r allvarligare \u00e4n en kortslutning mellan lindningsvarv och kan leda till omedelbar utl\u00f6sning eller allvarliga skador, vilket vanligtvis visar sig som en stor str\u00f6mobalans som kan utl\u00f6sa \u00f6verstr\u00f6msskyddet.<\/li>\n<li><strong>Jordfel (fas-till-ram):<\/strong> isoleringen mellan lindning och ram bryts ned. Detta utg\u00f6r en s\u00e4kerhetsrisk eftersom det kan leda till att motorramen blir str\u00f6mf\u00f6rande och orsaka risk f\u00f6r elchock. Felet uppt\u00e4cks av jordfelsskyddet och vid m\u00e4tning av isolationsmotst\u00e5ndet, och orsakas vanligtvis av \u00e5ldrande isolering, f\u00f6roreningar, mekaniska skador eller fukt.<\/li>\n<\/ul>\n<h3>Fysiska skador p\u00e5 lindningen<\/h3>\n<ul>\n<li><strong>Mekanisk skada:<\/strong> spolar som skadats vid installation eller underh\u00e5ll.<\/li>\n<li><strong>V\u00e4rmeskada:<\/strong> \u00f6verhettning som f\u00f6rs\u00e4mrar b\u00e5de isoleringen och kopparn.<\/li>\n<li><strong>F\u00f6rorening:<\/strong> olja, kemikalier eller ledande damm p\u00e5 lindningarna.<\/li>\n<li><strong>Fuktskador:<\/strong> vattenintr\u00e4ngning som orsakar sp\u00e5rbildning p\u00e5 ytan och kortslutningar.<\/li>\n<li><strong>Koronskada:<\/strong> h\u00f6gsp\u00e4nning som joniserar den omgivande luften och bryter ned isoleringen.<\/li>\n<\/ul>\n<h3>Problem med k\u00e4rnlamineringarna<\/h3>\n<ul>\n<li>K\u00e4rnlamineringarna har kortslutits, vilket minskar verkningsgraden och orsakar \u00f6verhettning.<\/li>\n<li>Skadade eller l\u00f6sa lamineringar.<\/li>\n<li>F\u00f6rskjutning eller f\u00f6rflyttning av k\u00e4rnan, vilket kan st\u00f6ra <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/air-gap\/\">air gap<\/a>.<\/li>\n<li>Detta leder till \u00f6kade virvelstr\u00f6msf\u00f6rluster och lokala \u00f6verhettningspunkter.<\/li>\n<\/ul>\n<h2>2. Orsaker till statorhaveri<\/h2>\n<h3>Termisk nedbrytning<\/h3>\n<ul>\n<li><strong>\u00d6verbelastning:<\/strong> En f\u00f6r h\u00f6g str\u00f6m v\u00e4rmer upp lindningarna s\u00e5 att de \u00f6verskrider sin isoleringsklass.<\/li>\n<li><strong>Blockering av kylningen:<\/strong> D\u00e5lig ventilation p\u00e5skyndar termisk \u00e5ldring.<\/li>\n<li><strong>H\u00f6g omgivningstemperatur:<\/strong> minskar kylningseffekten.<\/li>\n<li><strong>Frekventa starter:<\/strong> Upprepade startstr\u00f6mmar medf\u00f6r termisk belastning.<\/li>\n<li><strong>Isoleringens livsl\u00e4ngd:<\/strong> som tumregel g\u00e4ller att varje 10 \u00b0C \u00f6ver m\u00e4rktemperaturen halverar isoleringens livsl\u00e4ngd.<\/li>\n<\/ul>\n<h3>Elektriska p\u00e5frestningar<\/h3>\n<ul>\n<li><strong>Sp\u00e4nning\u00f6verslag:<\/strong> blixtnedslag och kopplingstransienter uts\u00e4tter isoleringen f\u00f6r p\u00e5frestningar.<\/li>\n<li><strong>Sp\u00e4nningsobalans:<\/strong> Oj\u00e4mna fassp\u00e4nningar ger upphov till cirkulationsstr\u00f6mmar \u2014 vilket \u00e4r n\u00e4ra kopplat till <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/electrical-unbalance\/\">elektrisk obalans<\/a>.<\/li>\n<li><strong>Over-voltage:<\/strong> drift \u00f6ver m\u00e4rksp\u00e4nningen.<\/li>\n<li><strong>VFD effects:<\/strong> Det h\u00f6ga dV\/dt-v\u00e4rdet vid PWM-omkoppling sliter p\u00e5 isoleringen, s\u00e4rskilt de f\u00f6rsta varven i en spole.<\/li>\n<\/ul>\n<h3>F\u00f6roreningar och milj\u00f6<\/h3>\n<ul>\n<li><strong>Fukt:<\/strong> Fukt eller vattenintr\u00e4ngning s\u00e4nker isolationsmotst\u00e5ndet.<\/li>\n<li><strong>Ledande damm:<\/strong> metallpartiklar eller kolstoft \u00f6verbryggar isoleringen.<\/li>\n<li><strong>Kemikalier:<\/strong> fr\u00e4tande \u00e5ngor eller l\u00f6sningsmedels\u00e5ngor angriper isoleringssystemet.<\/li>\n<li><strong>Olja och fett:<\/strong> Petroleumprodukter bryter ned organisk isolering.<\/li>\n<\/ul>\n<h3>Mekaniska orsaker<\/h3>\n<ul>\n<li><strong>Vibrationer:<\/strong> Kraftiga vibrationer sliter p\u00e5 isoleringen.<\/li>\n<li><strong>Termiska cykler:<\/strong> Upprepade utvidgningar och sammandragningar g\u00f6r att isoleringen b\u00f6js och spricker.<\/li>\n<li><strong>Rotor strikes:<\/strong> Kontakten med rotorn orsakar fysiska skador p\u00e5 lindningarna.<\/li>\n<li><strong>Skador vid installation:<\/strong> v\u00e5rdsl\u00f6s hantering vid omlindning eller byte.<\/li>\n<\/ul>\n<h2>3. Vibrationssignaturen<\/h2>\n<h3>Prim\u00e4r indikator: dubbla n\u00e4tfrekvensen<\/h3>\n<p>Ett typiskt tecken p\u00e5 ett problem med statorn \u00e4r energi vid dubbla matningsfrekvensen:<\/p>\n<ul>\n<li><strong>Frekvens:<\/strong> 120 Hz i 60 Hz-n\u00e4t, 100 Hz i 50 Hz-n\u00e4t \u2014 en multipel av <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/electrical-frequency\/\">n\u00e4tfrekvens<\/a>, inte av axelhastigheten.<\/li>\n<li><strong>Mekanism:<\/strong> ett asymmetriskt magnetf\u00e4lt ger upphov till en obalanserad elektromagnetisk kraft, en form av <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/magnetic-pull\/\">magnetisk dragkraft<\/a> som pulserar med dubbla n\u00e4tfrekvensen.<\/li>\n<li><strong>Friska motorer:<\/strong> En 2\u00d7f-komponent finns alltid d\u00e4r, men \u00e4r liten (mindre \u00e4n ~10 % av 1\u00d7).<\/li>\n<li><strong>Statordefekter:<\/strong> amplituden f\u00f6r 2\u00d7f \u00e4r f\u00f6rh\u00f6jd (\u00f6ver ~20\u201350 % av 1\u00d7, ibland betydligt h\u00f6gre).<\/li>\n<li><strong>Progression:<\/strong> amplituden \u00f6kar i takt med att felet f\u00f6rv\u00e4rras.<\/li>\n<\/ul>\n<p>Ett praktiskt test g\u00f6r det m\u00f6jligt att skilja en magnetisk 2\u00d7f fr\u00e5n en mekanisk: st\u00e4ng av str\u00f6mmen. En rent elektromagnetisk komponent f\u00f6rsvinner omedelbart n\u00e4r str\u00f6mmen bryts, medan en mekanisk <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/running-speed\/\">k\u00f6rhastighet<\/a> den harmoniska komponenten avtar f\u00f6rst n\u00e4r rotorn rullar ut.<\/p>\n<h3>\u00d6vriga komponenter<\/h3>\n<ul>\n<li>Komponenten med n\u00e4tfrekvensen (1\u00d7f) kan \u00f6ka.<\/li>\n<li>H\u00f6gre <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/harmonics\/\">\u00f6vertoner<\/a> (4\u00d7f, 6\u00d7f) kan f\u00f6rekomma.<\/li>\n<li>Den totala vibrationsniv\u00e5n kan \u00f6ka.<\/li>\n<li>Den elektromagnetiska kraften h\u00f6rs ofta som ett surrande ljud p\u00e5 120\/100 Hz.<\/li>\n<\/ul>\n<h2>4. Detektionsmetoder<\/h2>\n<h3>Vibrationsanalys<\/h3>\n<ul>\n<li>\u00d6vervaka amplituden vid dubbla linjefrekvensen och f\u00f6lj utvecklingen \u00f6ver tid.<\/li>\n<li>J\u00e4mf\u00f6r med en <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/baseline\/\">baslinje<\/a> eller med liknande motorer.<\/li>\n<li>Skicka en varning n\u00e4r 2\u00d7f \u00f6verstiger ungef\u00e4r 30 % av vibrationen vid 1\u00d7 k\u00f6rhastighet.<\/li>\n<li>En stigande trend bekr\u00e4ftar ett progressivt fel snarare \u00e4n en fast konstruktionsegenskap.<\/li>\n<\/ul>\n<h3>Str\u00f6mm\u00e4tningar<\/h3>\n<ul>\n<li><strong>Fasstr\u00f6msbalans:<\/strong> m\u00e4ta str\u00f6mmen i varje fas.<\/li>\n<li><strong>Obalans \u00f6ver ~10 %:<\/strong> tyder p\u00e5 ett problem med lindningen.<\/li>\n<li><strong>Kl\u00e4mt\u00e5ng:<\/strong> en enkel f\u00e4ltm\u00e4tning.<\/li>\n<li><strong>Elkvalitetsanalysator:<\/strong> detaljerad analys av str\u00f6mkurvor, som kompletterar motorstr\u00f6mssignaturanalysen som anv\u00e4nds f\u00f6r att uppt\u00e4cka <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/broken-rotor-bars\/\">trasiga rotorst\u00e4nger<\/a>.<\/li>\n<\/ul>\n<h3>M\u00e4tning av isolationsmotst\u00e5nd<\/h3>\n<ul>\n<li><strong>Megohmmeter (Megger):<\/strong> m\u00e4ta motst\u00e5ndet mellan lindningen och jord.<\/li>\n<li><strong>Godtagande:<\/strong> vanligtvis \u00f6ver 1 M\u03a9 per kV samt minst 1 M\u03a9.<\/li>\n<li><strong>Trendanalys:<\/strong> sjunkande v\u00e4rden tyder p\u00e5 f\u00f6rs\u00e4mring.<\/li>\n<li><strong>Polarisationsindex:<\/strong> f\u00f6rh\u00e5llandet mellan 10-minutersv\u00e4rdet och 1-minutsv\u00e4rdet (v\u00e4rden \u00f6ver 2,0 \u00e4r bra, v\u00e4rden under 2,0 \u00e4r tveksamma).<\/li>\n<\/ul>\n<p>Eftersom gr\u00e4nsv\u00e4rdet f\u00f6r godk\u00e4nd\/underk\u00e4nd varierar med m\u00e4rksp\u00e4nningen och temperaturen, \u00e4r en <a href=\"https:\/\/vibromera.eu\/sv\/calculators\/insulation-resistance-calculator\/\">Tolkningsguide f\u00f6r isolationsmotst\u00e5nd (megger)<\/a> \u00e4r praktiskt f\u00f6r att omvandla ett r\u00e5v\u00e4rde till en bed\u00f6mning enligt IEEE 43.<\/p>\n<h3>V\u00e4rmekamera<\/h3>\n<ul>\n<li>En infrar\u00f6d kamera avsl\u00f6jar v\u00e4rmepunkter p\u00e5 motorramen.<\/li>\n<li>Lokal uppv\u00e4rmning indikerar var lindningsfelet finns.<\/li>\n<li>En temperaturobalans mellan faserna \u00e4r i sig ett symtom.<\/li>\n<li><a href=\"https:\/\/vibromera.eu\/sv\/glossary\/thermography\/\">Termografi<\/a> kan uppt\u00e4cka begynnande fel innan de uppt\u00e4cks vid elektriska tester.<\/li>\n<\/ul>\n<h3>Surge testing<\/h3>\n<ul>\n<li>Tillf\u00f6r en sp\u00e4nningsimpuls och j\u00e4mf\u00f6r fasresponserna.<\/li>\n<li>Uppt\u00e4cker kortslutningar mellan lindningsvarv som inte uppt\u00e4cks vid andra tester.<\/li>\n<li>Kr\u00e4ver specialutrustning.<\/li>\n<li>Anv\u00e4nds ofta i motorverkst\u00e4der f\u00f6r kvalitetskontroll efter en omlindning.<\/li>\n<\/ul>\n<h2>5. F\u00f6rlopp och konsekvenser<\/h2>\n<p>Statorfel utvecklas genom igenk\u00e4nnbara stadier, vilket \u00e4r just det som g\u00f6r ett <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/condition-monitoring\/\">tillst\u00e5nds\u00f6vervakning<\/a> program s\u00e5 effektivt mot dem:<\/p>\n<ul>\n<li><strong>Early stage:<\/strong> en svag minskning av isolationsmotst\u00e5ndet, en liten str\u00f6mobalans (under 5 %) och en svag \u00f6kning av 2\u00d7f-vibrationen \u2013 n\u00e5got som endast kan uppt\u00e4ckas med k\u00e4nsliga m\u00e4tmetoder.<\/li>\n<li><strong>M\u00e5ttligt stadium:<\/strong> en tydlig str\u00f6mobalans (5\u201315 %), f\u00f6rh\u00f6jd 2\u00d7f-vibration (20\u201350 % av 1\u00d7), synliga v\u00e4rmepunkter p\u00e5 v\u00e4rmebild och sjunkande isolationsmotst\u00e5nd.<\/li>\n<li><strong>Avancerat stadium:<\/strong> en stor str\u00f6mobalans (\u00f6ver 15 %), mycket h\u00f6g 2\u00d7f-vibration, tydlig \u00f6verhettning, l\u00e5gt isolationsmotst\u00e5nd och en reell risk f\u00f6r ett n\u00e4ra f\u00f6rest\u00e5ende haveri.<\/li>\n<li><strong>Katastrofalt fel:<\/strong> fullst\u00e4ndig lindningsutbr\u00e4nning, m\u00f6jlig brand eller r\u00f6kutveckling, skyddsutl\u00f6sning eller sm\u00e4lt s\u00e4kring samt omfattande skador som kr\u00e4ver omlindning eller utbyte.<\/li>\n<\/ul>\n<h2>6. Korrigerande \u00e5tg\u00e4rder<\/h2>\n<p><strong>Vid detektering,<\/strong> \u00d6ka \u00f6vervakningsfrekvensen i f\u00f6rh\u00e5llande till hur allvarligt felet \u00e4r, minska driftsbelastningen d\u00e4r det \u00e4r m\u00f6jligt (s\u00e4nk belastningen eller arbetscykeln), planera f\u00f6r omlindning eller utbyte och utred den bakomliggande orsaken s\u00e5 att felet inte upprepas.<\/p>\n<p><strong>Repair options<\/strong> beror till stor del p\u00e5 motorns storlek:<\/p>\n<ul>\n<li><strong>Lindningsbyte av motor:<\/strong> byta ut statorlindningarna \u2014 detta \u00e4r vanligtvis l\u00f6nsamt vid stora motorer (\u00f6ver ca 100 hk).<\/li>\n<li><strong>Byte av motor:<\/strong> \u00e4r oftast mer ekonomiskt f\u00f6r sm\u00e5 motorer (under ca 50 hk).<\/li>\n<li><strong>Byte av spole:<\/strong> \u00e4r m\u00f6jligt i vissa konstruktioner, genom att byta ut enskilda spolar.<\/li>\n<li><strong>Tillf\u00e4llig drift:<\/strong> Ett fel i ett tidigt skede kan g\u00f6ra det m\u00f6jligt att forts\u00e4tta driften under noggrann \u00f6vervakning medan en ers\u00e4ttningsmotor anskaffas.<\/li>\n<\/ul>\n<p><strong>F\u00f6rebyggande<\/strong> handlar fr\u00e4mst om att h\u00e5lla sig inom de angivna driftsgr\u00e4nserna: driva utrustningen inom de angivna v\u00e4rdena f\u00f6r sp\u00e4nning, str\u00f6m och temperatur; s\u00e4kerst\u00e4lla tillr\u00e4cklig ventilation och kylning; skydda lindningarna mot f\u00f6roreningar med l\u00e4mpliga h\u00f6ljen och t\u00e4tningar; installera \u00f6versp\u00e4nningsskydd p\u00e5 kritiska motorer; utf\u00f6ra regelbundna isolationsm\u00e4tningar (\u00e5rligen f\u00f6r kritiska maskiner); samt genomf\u00f6ra termiska inspektioner f\u00f6r att uppt\u00e4cka begynnande varmg\u00e5ngspunkter.<\/p>\n<h2>7. Var vibrationsverktyg passar in<\/h2>\n<p>Eftersom det utm\u00e4rkande symtomet p\u00e5 ett statorfel \u00e4r mekaniskt \u2013 den f\u00f6rh\u00f6jda vibrationen vid dubbla n\u00e4tfrekvensen \u2013 \u00e4r en b\u00e4rbar vibrationsanalysator ett f\u00f6rstahandsverktyg f\u00f6r screening. P\u00e5 f\u00e4ltet monterar teknikerna en <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/accelerometer\/\">accelerometer<\/a> p\u00e5 motorn och anv\u00e4nder <a href=\"https:\/\/vibromera.eu\/sv\/produkt\/balanset-1\/\">Balanset-1A<\/a> to capture the <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/spectrum\/\">vibrationsspektrum<\/a>, avl\u00e4sa amplituden f\u00f6r 100\/120 Hz-linjen och j\u00e4mf\u00f6ra den med motorns baslinje. Testet med str\u00f6mavbrott bekr\u00e4ftar sedan om toppen \u00e4r elektromagnetisk. F\u00f6r att omvandla uppgifterna p\u00e5 typskylten till de exakta diagnostiska frekvenser som man ska leta efter, <a href=\"https:\/\/vibromera.eu\/sv\/calculators\/motor-electrical-frequencies\/\">Kalkylator f\u00f6r motorfelfrekvens<\/a> redog\u00f6r f\u00f6r begreppen n\u00e4tfrekvens, glidning och polpassage.<\/p>\n<p>N\u00e4r de anv\u00e4nds tillsammans \u2013 vibrations\u00f6vervakning vid dubbla n\u00e4tfrekvensen, <a href=\"https:\/\/vibromera.eu\/sv\/glossary\/fft\/\">FFT<\/a> str\u00f6manalys, v\u00e4rmekamerainspektion och regelbundna elektriska provningar \u2013 dessa metoder uppt\u00e4cker de allra flesta statorfel medan de fortfarande \u00e4r billiga att \u00e5tg\u00e4rda. Genom att f\u00f6rst\u00e5 hur en mindre isolationsf\u00f6rs\u00e4mring kan leda till en total utbr\u00e4nning kan underh\u00e5llsteamet ingripa i r\u00e4tt \u00f6gonblick och fatta ett v\u00e4lgrundat beslut om huruvida man ska linda om eller byta ut motorn.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/sv\/glossary\/\">\u2190 Tillbaka till huvudregistret<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>L\u00e4r dig om statorfel inklusive isoleringsfel, kortslutningar mellan varv och lindningsskador, vilket orsakar 2X linjefrekvensvibrationer och kan detekteras genom str\u00f6m- och termisk analys.<\/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\/sv\/wp-json\/wp\/v2\/glossary\/254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary\/254\/revisions"}],"predecessor-version":[{"id":101412,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/glossary\/254\/revisions\/101412"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/media?parent=254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/categories?post=254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/sv\/wp-json\/wp\/v2\/tags?post=254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}