{"id":111,"date":"2025-10-31T00:25:51","date_gmt":"2025-10-31T00:25:51","guid":{"rendered":"https:\/\/vibromera.eu\/glossary\/electrical-frequency\/"},"modified":"2026-05-23T22:42:52","modified_gmt":"2026-05-23T22:42:52","slug":"electrical-frequency","status":"publish","type":"glossary","link":"https:\/\/vibromera.eu\/fi\/glossary\/electrical-frequency\/","title":{"rendered":"Mik\u00e4 on s\u00e4hk\u00f6taajuus? Verkkotaajuus moottoreissa"},"content":{"rendered":"<h1>Moottorien s\u00e4hk\u00f6taajuuden ymm\u00e4rt\u00e4minen<\/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\/fi\/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\/fi\/product\/balanset-1\/\" title=\"Kannettava tasapainotin ja t\u00e4rin\u00e4analysaattori 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 kannettava tasapainotin ja v\u00e4r\u00e4htelyanalysaattori, t\u00e4ydellinen sarja\" 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\/fi\/product-category\/devices\/\" rel=\"tag\">Laitteet<\/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\/fi\/product\/balanset-1\/\" title=\"Kannettava tasapainotin ja t\u00e4rin\u00e4analysaattori Balanset-1A\">Kannettava tasapainotin &#038; t\u00e4rin\u00e4analysaattori 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> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/111?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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/111?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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/vibration-sensor\/\" title=\"T\u00e4rin\u00e4anturi\">\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:n t\u00e4rin\u00e4anturin l\u00e4hikuva\" 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\/fi\/product-category\/parts\/\" rel=\"tag\">Osat<\/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\/fi\/product\/vibration-sensor\/\" title=\"T\u00e4rin\u00e4anturi\">T\u00e4rin\u00e4anturi<\/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> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/111?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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/111?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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optinen anturi (lasertakometri)\">\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=\"Optinen anturi (lasertakometri)\" 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\/fi\/product-category\/parts\/\" rel=\"tag\">Osat<\/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\/fi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optinen anturi (lasertakometri)\">Optinen anturi (lasertakometri)<\/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> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/111?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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/111?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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/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-roottorin tasapainotussarja: kantolaukku, monikanavainen signaalimuunnin, k\u00e4dess\u00e4 pidett\u00e4v\u00e4 analysaattori, magneettijalusta, t\u00e4rin\u00e4anturit ja kierretyt kaapelit.\" 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\/fi\/product-category\/devices\/\" rel=\"tag\">Laitteet<\/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\/fi\/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> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/111?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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/111?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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/magnet-stand\/\" title=\"Magneettinen jalusta 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=\"Magneettipohja.\" 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\/fi\/product-category\/parts\/\" rel=\"tag\">Osat<\/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\/fi\/product\/magnet-stand\/\" title=\"Magneettinen jalusta Insize-60-kgf\">Magneettinen jalusta 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> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/111?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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/111?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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/reflective-tape\/\" title=\"Heijastava nauha\">\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=\"Heijastava nauha\" 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\/fi\/product-category\/parts\/\" rel=\"tag\">Osat<\/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\/fi\/product\/reflective-tape\/\" title=\"Heijastava nauha\">Heijastava nauha<\/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> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/111?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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/111?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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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\/fi\/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\/fi\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynaaminen tasapainotin &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-pakkauksen sis\u00e4lt\u00f6, jossa on liit\u00e4nt\u00e4yksikk\u00f6, anturit, kierroslukumittari ja lis\u00e4varusteet\" 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\/fi\/product-category\/devices\/\" rel=\"tag\">Laitteet<\/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\/fi\/product\/dynamic-balancer-balanset-1a\/\" title=\"Dynaaminen tasapainotin &quot;Balanset-1A&quot; OEM\">Dynaaminen tasapainotin \"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\">&euro;<\/span>1,735.00<\/span> + ALV (jos sovellettavissa)<\/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=\"\/fi\/wp-json\/wp\/v2\/glossary\/111?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=\"Lis\u00e4\u00e4 ostoskoriin\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Lis\u00e4\u00e4 ostoskoriin\" 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=\"\/fi\/wp-json\/wp\/v2\/glossary\/111?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=\"Lis\u00e4\u00e4 ostoskoriin: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d on lis\u00e4tty ostoskoriin\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Lis\u00e4\u00e4 ostoskoriin<\/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>S\u00e4hk\u00f6taajuus<\/strong> \u2014 jota kutsutaan myos verkkotaajuudeksi, syottotaajuudeksi tai virtataajuudeksi \u2014 on sahkomoottoreille ja muille sahkolaitteille syotettavan vaihtovirran taajuus. Maailmanlaajuisesti vallitsevat kaksi standardia: 60 Hz Pohjois-Amerikassa, osissa Etela-Amerikkaa ja joissakin Aasian maissa seka 50 Hz Euroopassa, suurimmassa osassa Aasiaa, Afrikassa ja Australiassa. Tama yksi luku maaraa jokaisen verkkoon kytketyn vaihtovirtamoottorin synkroninopeuden ja synnyttaa joukon sahkomagneettisia voimia \u2014 ja siten <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/vibration\/\">t\u00e4rin\u00e4<\/a> komponentit \u2014 verkkotaajuuden kerrannaisina.<\/p>\n<p>Moottorissa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/vibration-analysis\/\">v\u00e4r\u00e4htelyanalyysi<\/a>, verkkotaajuus ja sen yliaallot, etenkin kaksinkertainen verkkotaajuus (2xf), ovat keskeisia diagnoosi-indikaattoreita sahkomagneettisten ongelmien, staattorivikojen ja ilmaraoepasaannollisyyksien tunnistamisessa. Niiden oikea tulkinta auttaa analyytikkoa erottamaan sahkovian mekaanisesta viasta samassa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/spectrum\/\">spektri<\/a>.<\/p>\n<h2>1. Suhde moottorin kierroslukuun<\/h2>\n<h3>Synkroninen nopeus<\/h3>\n<p>Vaihtovirtainduktimoottorissa pyorivan magneettikenttan synkroninopeus maaraytyy verkkotaajuuden ja napojen lukumaaran perusteella:<\/p>\n<blockquote><p>N<sub>sync<\/sub> = (120 \u00d7 f) \/ P&nbsp;&nbsp;\u2014 jossa N<sub>sync<\/sub> on synkroninen kierrosluku kierroksina minuutissa (RPM), f on s\u00e4hk\u00f6taajuus hertsein\u00e4 (Hz) ja P on napojen lukum\u00e4\u00e4r\u00e4.<\/p><\/blockquote>\n<p>Varsinainen <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/running-speed\/\">k\u00e4yntinopeus<\/a> ei koskaan ole t\u00e4ysin synkroninen, koska induktiomoottorin roottorin on liukuttava v\u00e4\u00e4nt\u00f6momentin tuottamiseksi.<\/p>\n<h3>Tavalliset moottorin kierrosnopeudet<\/h3>\n<p>On <strong>60 Hz<\/strong> synkroninopeudet ovat 3600 r\/min 2-napaisella moottorilla (noin 3550 r\/min k\u00e4yt\u00f6ss\u00e4), 1800 r\/min 4-napaisella (noin 1750 r\/min), 1200 r\/min 6-napaisella (noin 1170 r\/min) ja 900 r\/min 8-napaisella (noin 875 r\/min). <strong>50 Hz<\/strong> samalla napam\u00e4\u00e4r\u00e4ll\u00e4 saadaan kierrosluvut 3000 r\/min (todellisuudessa noin 2950 r\/min), 1500 r\/min (noin 1450), 1000 r\/min (noin 970) ja 750 r\/min (noin 730). <a href=\"https:\/\/vibromera.eu\/fi\/calculators\/motor-slip-calculator\/\">moottorin luiston ja todellisen kierrosluvun laskin<\/a> muuntaa tyyppikilven tiedot ja mitatun nopeuden suoraan n\u00e4iksi lukemiksi.<\/p>\n<h3>Liukumataajuus<\/h3>\n<p>Synkronisen ja todellisen nopeuden v\u00e4linen ero m\u00e4\u00e4ritt\u00e4\u00e4 <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/slip-frequency\/\">liukumataajuus<\/a>:<\/p>\n<blockquote><p>f<sub>s<\/sub> = (N<sub>sync<\/sub> \u2212 N<sub>todellinen<\/sub>) \/ 60<\/p><\/blockquote>\n<ul>\n<li>Tyypillinen luisto on 1\u20135 % synkroninopeudesta.<\/li>\n<li>T\u00e4st\u00e4 johtuva liukutaajuus on yleens\u00e4 vain 1\u20133 Hz.<\/li>\n<li>Se riippuu kuormituksesta \u2013 luisto kasvaa, kun moottori joutuu tekem\u00e4\u00e4n enemm\u00e4n ty\u00f6t\u00e4.<\/li>\n<li>T\u00e4m\u00e4 on keskeist\u00e4 roottorin s\u00e4hk\u00f6isten vikojen diagnosoinnissa, sill\u00e4 roottorisauvaviat moduloivat t\u00e4rin\u00e4\u00e4 napaohitustaajuudella, joka on liukukertoimen ja napojen lukum\u00e4\u00e4r\u00e4n tulo.<\/li>\n<\/ul>\n<h2>2. S\u00e4hk\u00f6magneettiset v\u00e4r\u00e4htelykomponentit<\/h2>\n<h3>Kaksinkertainen verkkotaajuus (hallitseva komponentti)<\/h3>\n<p>T\u00e4rkein s\u00e4hk\u00f6magneettinen komponentti esiintyy taajuudella 2\u00d7f \u2013 120 Hz 60 Hz:n verkossa ja 100 Hz 50 Hz:n verkossa. Se johtuu siit\u00e4, ett\u00e4 staattorin ja roottorin v\u00e4linen magneettinen vetovoima v\u00e4r\u00e4htelee kahdesti s\u00e4hk\u00f6jakson aikana. Pieni m\u00e4\u00e4r\u00e4 t\u00e4t\u00e4 komponenttia on normaalia jokaisessa vaihtovirtamoottorissa, joten sen pelkk\u00e4 esiintyminen ei ole vika; kohonnut ja nouseva 2\u00d7f-arvo viittaa kuitenkin <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/stator-defects\/\">staattoriongelmat<\/a>, ep\u00e4tasainen <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/air-gap\/\">ilmarako<\/a>tai magneettinen ep\u00e4tasapaino.<\/p>\n<h3>Verkkotaajuus (1\u00d7f)<\/h3>\n<p>Verkkotaajuudella \u2013 50 tai 60 Hz \u2013 esiintyv\u00e4n komponentin amplitudi on yleens\u00e4 pienempi kuin 2\u00d7f. Se voi paljastaa sy\u00f6tt\u00f6j\u00e4nnitteen ep\u00e4symmetrian ja liitty\u00e4 staattorin k\u00e4\u00e4mivikoihin.<\/p>\n<h3>Korkeammat harmoniset<\/h3>\n<p>4\u00d7f-, 6\u00d7f- ja sit\u00e4 korkeammat komponentit (240 Hz, 360 Hz 60 Hz:n j\u00e4rjestelm\u00e4ss\u00e4) ovat terveess\u00e4 moottorissa tyypillisesti alhaisia. Niiden voimistuminen voi viitata k\u00e4\u00e4mitys- tai syd\u00e4nlevyongelmiin.<\/p>\n<h2>3. Diagnoosimerkitys<\/h2>\n<h3>Normaali 2\u00d7f-amplitudi<\/h3>\n<p>Moitteettomasti toimivassa moottorissa 2\u00d7f-komponentti on tyypillisesti alle noin 10 % 1\u00d7f-komponentista <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/running-speed\/\">ajonopeus<\/a> taso pysyy suhteellisen vakaana ajan mittaan ja n\u00e4kyy kaikkiin suuntiin, vaikkakin usein voimakkaimmin s\u00e4teitt\u00e4isesti. Juuri t\u00e4m\u00e4n normaalitason m\u00e4\u00e4ritt\u00e4minen tekee my\u00f6hemm\u00e4st\u00e4 noususta merkityksellisen.<\/p>\n<h3>Korotettu 2\u00d7f ja sen merkitys<\/h3>\n<ul>\n<li><strong>Staattorin k\u00e4\u00e4mitykseen liittyv\u00e4t ongelmat:<\/strong> kierros\u2013kierros-oikosulut tai vaiheiden ep\u00e4symmetria nostavat 2\u00d7f-komponentin amplitudia ajan my\u00f6t\u00e4, mihin liittyy usein l\u00e4mp\u00f6tilan nousu ja mitattavissa oleva virran ep\u00e4symmetria vaiheiden v\u00e4lill\u00e4.<\/li>\n<li><strong>Ilmarakojen ep\u00e4keskisyys:<\/strong> roottorista johtuva ep\u00e4tasainen rako <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/eccentricity\/\">eksentrisyys<\/a> tai <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/bearing-wear\/\">laakerin kuluminen<\/a> aiheuttaa ep\u00e4tasapainoa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/magnetic-pull\/\">magneettinen vetovoima<\/a>, korottamalla 2\u00d7f ja <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/pole-pass-frequency\/\">napaohitustaajuudet<\/a> yhdess\u00e4 \u2014 mekaanisten ja s\u00e4hk\u00f6magneettisten ilmi\u00f6iden yhdistelm\u00e4.<\/li>\n<li><strong>Pehme\u00e4 laippa tai rungon resonanssi:<\/strong> jos <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/soft-foot\/\">pehme\u00e4 jalka<\/a> tai kehyksen <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/natural-frequency\/\">ominaistaajuus<\/a> on l\u00e4hell\u00e4 2\u00d7f, <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/resonance\/\">rakenteellinen resonanssi<\/a> vahvistaa s\u00e4hk\u00f6magneettista v\u00e4r\u00e4htely\u00e4; t\u00e4ll\u00f6in rungon v\u00e4r\u00e4htely ylitt\u00e4\u00e4 selv\u00e4sti laakerin v\u00e4r\u00e4htelyn, ja ratkaisuna on rakenteen j\u00e4ykistys tai vaimennuksen lis\u00e4\u00e4minen.<\/li>\n<\/ul>\n<h2>4. Taajuusmuuttajat<\/h2>\n<p>Taajuusmuuttaja s\u00e4\u00e4telee tarkoituksellisesti l\u00e4ht\u00f6taajuutta \u2013 yleens\u00e4 v\u00e4lill\u00e4 0\u2013120 Hz \u2013 ja moottorin kierrosnopeus seuraa sit\u00e4, joten kaikki s\u00e4hk\u00f6magneettiset taajuudet, mukaan lukien 2\u00d7f-taajuus ja napakomponentit, muuttuvat taajuusmuuttajan l\u00e4ht\u00f6tehon mukaan sen sijaan, ett\u00e4 ne pysyisiv\u00e4t kiinte\u00e4ll\u00e4 50 tai 60 Hz:n tasolla. T\u00e4ll\u00e4 vaihtelulla on k\u00e4yt\u00e4nn\u00f6n vaikutuksia t\u00e4rin\u00e4\u00e4n:<\/p>\n<ul>\n<li><strong>Kytkent\u00e4taajuudet:<\/strong> PWM-kantoaalto lis\u00e4\u00e4 perustaajuuden p\u00e4\u00e4lle kHz-taajuusalueen komponentteja.<\/li>\n<li><strong>Laakerivirrat:<\/strong> korkeataajuiset virrat voivat aiheuttaa laakereihin kuoppia ja uurteita, jos akselia ei ole maadoitettu asianmukaisesti.<\/li>\n<li><strong>V\u00e4\u00e4nt\u00f6v\u00e4r\u00e4htely:<\/strong> v\u00e4\u00e4nt\u00f6momentin vaihtelut ilmenev\u00e4t eri taajuuksilla.<\/li>\n<li><strong>Resonanssiher\u00e4tys:<\/strong> nopeuden vaihtelu voi aiheuttaa rakenteellisten resonanssien ilmenemisen ja vahvistaa t\u00e4rin\u00e4\u00e4 hetkellisesti.<\/li>\n<\/ul>\n<h2>5. K\u00e4yt\u00e4nn\u00f6n diagnoosiesimerkkej\u00e4<\/h2>\n<h3>Tapaus 1 \u2014 voimakas 2\u00d7f-v\u00e4r\u00e4htely<\/h3>\n<p>Noin 1750 kierrosta minuutissa py\u00f6riv\u00e4ss\u00e4 4-napaisessa 60 Hz:n moottorissa havaitaan 120 Hz:n komponentti nopeudella 6 mm\/s, mik\u00e4 on selv\u00e4sti yli sen 1\u00d7 k\u00e4yntinopeuden tason, joka on noin 2 mm\/s. Koska energia keskittyy kaksinkertaiseen verkkoj\u00e4nnitteen taajuuteen eik\u00e4 k\u00e4yntinopeuteen, t\u00e4m\u00e4 viittaa pikemminkin staattorin k\u00e4\u00e4mitysongelmaan tai ilmarakojen ep\u00e4keskisyyteen kuin mekaaniseen vikaan <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/unbalance\/\">ep\u00e4tasapaino<\/a>. L\u00e4mp\u00f6kameralla havaitaan sitten staattorissa kuuma kohta, ja vaiheiden v\u00e4lill\u00e4 mitataan virran ep\u00e4symmetria, mik\u00e4 vahvistaa diagnoosin; korjaustoimenpiteen\u00e4 moottori on k\u00e4\u00e4mitt\u00e4v\u00e4 uudelleen tai vaihdettava.<\/p>\n<h3>Tapaus 2 \u2014 juoksunopeuden sivukaistat<\/h3>\n<p>Huippuja esiintyy 1\u00d7 \u00b1 liukumaa vastaavalla et\u00e4isyydell\u00e4 (muutama Hz), mik\u00e4 on tyypillinen piirre <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/broken-rotor-bars\/\">rikkoutuneet roottorin sauvat<\/a>. Moottorin virtaj\u00e4ljen analyysi osoittaa saman <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/sidebands\/\">sivukaista<\/a> sy\u00f6tt\u00f6virran vaihtelu, ja sivukaistan amplitudin seuranta ajan kuluessa antaa vara-aikaa laitteen vaihdon suunnitteluun. Molemmat tapaukset kuuluvat laajempaan ryhm\u00e4\u00e4n, jossa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/electrical-faults\/\">s\u00e4hk\u00f6viat<\/a> joita v\u00e4r\u00e4htelyanalyysi soveltuu hyvin erottamaan mekaanisista.<\/p>\n<h2>6. Seurannan parhaat k\u00e4yt\u00e4nn\u00f6t<\/h2>\n<h3>Spektriasetukset<\/h3>\n<p>Aseta enimm\u00e4istaajuudeksi yli 500 Hz, jotta analyysi kattaa 2\u00d7f:n ja sen harmoniset, ja valitse riitt\u00e4v\u00e4n suuri erottelukyky, jotta tihe\u00e4sti sijoittuneet sivukaistat voidaan erottaa toisistaan \u2013 liukutaajuustutkimuksissa erottelukyvyn tulisi olla parempi kuin noin 0,5 Hz. Suorita mittaukset vaakasuoraan, pystysuoraan ja aksiaalisesti, sill\u00e4 s\u00e4hk\u00f6magneettiset ja mekaaniset komponentit jakautuvat eri suuntiin eri tavoin.<\/p>\n<h3>Vertailuarvot ja kehityssuuntaukset<\/h3>\n<p>Mittaa 2\u00d7f-amplitudin arvo, kun moottori on uusi tai juuri k\u00e4\u00e4mity, m\u00e4\u00e4rit\u00e4 laitoksen kunkin moottorityypin normaalitasot ja aseta h\u00e4lytysrajat \u2013 yleens\u00e4 kaksi-kolme kertaa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/baseline\/\">l\u00e4ht\u00f6taso<\/a> 2\u00d7f:n osalta. Seuraa sitten merkitt\u00e4vimpi\u00e4 parametrej\u00e4: 2\u00d7 linjataajuuden amplitudi, napal\u00e4p\u00e4isykomponentit, sivukaistojen amplitudit ja jakaumat, yleinen t\u00e4rin\u00e4taso sek\u00e4 tavanomaiset laakerien kuntoa kuvaavat indikaattorit. Tarkkailemalla n\u00e4iden arvojen muutoksia ajan mittaan, j\u00e4rjestelm\u00e4llisesti <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/trend-analysis\/\">trendianalyysi<\/a>, on se tekij\u00e4, joka muuttaa yksitt\u00e4isen spektrin varhaisvaroitukseksi.<\/p>\n<h2>7. Mittaaminen kent\u00e4ll\u00e4<\/h2>\n<p>S\u00e4hk\u00f6isen ja mekaanisen signaalin erottaminen toisistaan alkaa amplitudin, taajuuden ja <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/phase\/\">vaihe<\/a> laitteen \u00e4\u00e4ress\u00e4. Kannettava kaksikanavainen laite, kuten <a href=\"https:\/\/vibromera.eu\/fi\/tuote\/balanset-1\/\">Balanset-1A<\/a> mittaa FFT-spektrin ja synkronisen vertailusignaalin, joita tarvitaan n\u00e4iden komponenttien tarkkaan sijoittamiseen suhteessa k\u00e4yntinopeuteen ja sen yliaaltoihin. T\u00e4m\u00e4 auttaa varmistamaan, onko 100 tai 120 Hz:n l\u00e4heisyydess\u00e4 oleva piikki s\u00e4hk\u00f6magneettista alkuper\u00e4\u00e4 vai pelkk\u00e4 rakenteellinen vaste. Ja kun s\u00e4hk\u00f6inen syy on suljettu pois ja j\u00e4ljell\u00e4 on <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/unbalance\/\">ep\u00e4tasapaino<\/a> tunnistetaan 1\u00d7-v\u00e4r\u00e4htelyn todelliseksi aiheuttajaksi, sama instrumentti suorittaa <a href=\"https:\/\/vibromera.eu\/fi\/glossary\/kenttatasapaino\/\">kentt\u00e4tasapainotus<\/a> joka korjaa tilanteen \u2013 jolloin taajuustietoa voidaan hy\u00f6dynt\u00e4\u00e4 suoraan tuotantolinjalla.<\/p>\n<p>S\u00e4hk\u00f6taajuus on keskeinen tekij\u00e4, kun halutaan ymm\u00e4rt\u00e4\u00e4, miten vaihtovirtamoottori toimii ja miten se vikaantuu. Tunnistamalla t\u00e4rin\u00e4spektrist\u00e4 verkkoj\u00e4nnitteen taajuuskomponentit \u2013 ennen kaikkea 2\u00d7f-komponentin \u2013 ja ymm\u00e4rt\u00e4m\u00e4ll\u00e4 niiden taustalla olevat s\u00e4hk\u00f6magneettiset ilmi\u00f6t analyytikko pystyy tekem\u00e4\u00e4n ratkaisevan eron mekaanisten ja s\u00e4hk\u00f6isten vikojen v\u00e4lill\u00e4 sek\u00e4 ohjaamaan oikeat vianm\u00e4\u00e4ritys- ja korjaustoimenpiteet.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/fi\/glossary\/\">\u2190 Takaisin p\u00e4\u00e4hakemistoon<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Opi s\u00e4hk\u00f6taajuudesta (verkkotaajuus), vaihtovirtal\u00e4hteen taajuudesta, joka m\u00e4\u00e4ritt\u00e4\u00e4 moottorin synkronisen nopeuden ja aiheuttaa ominaisia v\u00e4r\u00e4htelykomponentteja kaksinkertaisella verkkotaajuudella.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[114,109],"tags":[],"class_list":["post-111","glossary","type-glossary","status-publish","hentry","category-analysis","category-glossary"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/111\/revisions"}],"predecessor-version":[{"id":101332,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/glossary\/111\/revisions\/101332"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/media?parent=111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/categories?post=111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/fi\/wp-json\/wp\/v2\/tags?post=111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}