{"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\/vi\/glossary\/electrical-frequency\/","title":{"rendered":"T\u1ea7n s\u1ed1 \u0111i\u1ec7n l\u00e0 g\u00ec? T\u1ea7n s\u1ed1 d\u00f2ng trong \u0111\u1ed9ng c\u01a1"},"content":{"rendered":"<h1>Hi\u1ec3u v\u1ec1 t\u1ea7n s\u1ed1 \u0111i\u1ec7n trong \u0111\u1ed9ng c\u01a1<\/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\/vi\/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\/vi\/product\/balanset-1\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng 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=\"B\u1ed9 \u0111\u1ea7y \u0111\u1ee7 m\u00e1y c\u00e2n b\u1eb1ng v\u00e0 ph\u00e2n t\u00edch rung \u0111\u1ed9ng c\u1ea7m tay Balanset-1A\" 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\/vi\/product-category\/devices\/\" rel=\"tag\">Thi\u1ebft b\u1ecb<\/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\/vi\/product\/balanset-1\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng Balanset-1A\">M\u00e1y c\u00e2n b\u1eb1ng di \u0111\u1ed9ng &amp; M\u00e1y ph\u00e2n t\u00edch rung \u0111\u1ed9ng 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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/vibration-sensor\/\" title=\"C\u1ea3m bi\u1ebfn rung\">\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=\"C\u1eadn c\u1ea3nh c\u1ea3m bi\u1ebfn rung 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/vibration-sensor\/\" title=\"C\u1ea3m bi\u1ebfn rung\">C\u1ea3m bi\u1ebfn rung<\/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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 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=\"C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 laser)\">C\u1ea3m bi\u1ebfn quang h\u1ecdc (M\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/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=\"B\u1ed9 d\u1ee5ng c\u1ee5 c\u00e2n b\u1eb1ng r\u00f4to Vibromera: h\u1ed9p \u0111\u1ef1ng, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh t\u00edn hi\u1ec7u \u0111a k\u00eanh, m\u00e1y ph\u00e2n t\u00edch c\u1ea7m tay, \u0111\u1ebf t\u1eeb, c\u1ea3m bi\u1ebfn rung v\u00e0 d\u00e2y c\u00e1p xo\u1eafn.\" 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\/vi\/product-category\/devices\/\" rel=\"tag\">Thi\u1ebft b\u1ecb<\/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\/vi\/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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/magnet-stand\/\" title=\"\u0110\u1ebf t\u1eeb 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=\"\u0110\u1ebf nam ch\u00e2m.\" 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/magnet-stand\/\" title=\"\u0110\u1ebf t\u1eeb Insize-60-kgf\">\u0110\u1ebf t\u1eeb 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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cMagnetic Stand Insize-60-kgf\u201d\" rel=\"nofollow\" data-success_message=\"\u201cMagnetic Stand Insize-60-kgf\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/reflective-tape\/\" title=\"B\u0103ng ph\u1ea3n quang\">\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=\"B\u0103ng ph\u1ea3n quang\" 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\/vi\/product-category\/parts\/\" rel=\"tag\">Ph\u1ee5 t\u00f9ng<\/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\/vi\/product\/reflective-tape\/\" title=\"B\u0103ng ph\u1ea3n quang\">B\u0103ng ph\u1ea3n quang<\/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> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cReflective tape\u201d\" rel=\"nofollow\" data-success_message=\"\u201cReflective tape\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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\/vi\/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\/vi\/product\/dynamic-balancer-balanset-1a\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng \u0111\u1ed9ng \u201cBalanset-1A\u201d OEM\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2021\/11\/\u0411\u0430\u043b\u043a\u043e\u043c\u041a\u0438\u0442-scaled-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"N\u1ed9i dung b\u1ed9 s\u1ea3n ph\u1ea9m Balanset-1A bao g\u1ed3m thi\u1ebft b\u1ecb giao di\u1ec7n, c\u1ea3m bi\u1ebfn, m\u00e1y \u0111o t\u1ed1c \u0111\u1ed9 v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n\" 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\/vi\/product-category\/devices\/\" rel=\"tag\">Thi\u1ebft b\u1ecb<\/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\/vi\/product\/dynamic-balancer-balanset-1a\/\" title=\"M\u00e1y c\u00e2n b\u1eb1ng \u0111\u1ed9ng \u201cBalanset-1A\u201d OEM\">M\u00e1y c\u00e2n b\u1eb1ng \u0111\u1ed9ng \u201cBalanset-1A\u201d OEM<\/a>\n\n\t\t\t\t\t\t\t\t<\/h4>\n\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t<div class=\"footer\">\n\n\t\t\t\t\t\t\t\t\t<div class=\"price\"><h4><span class=\"woocommerce-Price-amount amount\"><span class=\"woocommerce-Price-currencySymbol\">\u20ac<\/span>1,735.00<\/span> + Thu\u1ebf GTGT (n\u1ebfu c\u00f3)<\/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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng\" 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=\"\/vi\/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=\"Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng: \u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d\" rel=\"nofollow\" data-success_message=\"\u201cDynamic balancer \u201cBalanset-1A\u201d OEM\u201d \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o gi\u1ecf h\u00e0ng c\u1ee7a b\u1ea1n\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Th\u00eam v\u00e0o gi\u1ecf h\u00e0ng<\/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>T\u1ea7n s\u1ed1 \u0111i\u1ec7n<\/strong> \u2014 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u1ea7n s\u1ed1 d\u00f2ng \u0111i\u1ec7n, t\u1ea7n s\u1ed1 d\u00f2ng \u0111i\u1ec7n ch\u00ednh ho\u1eb7c t\u1ea7n s\u1ed1 \u0111i\u1ec7n ngu\u1ed3n \u2014 l\u00e0 t\u1ea7n s\u1ed1 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u01b0\u1ee3c cung c\u1ea5p cho \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n kh\u00e1c. Hai ti\u00eau chu\u1ea9n chi\u1ebfm \u01b0u th\u1ebf tr\u00ean th\u1ebf gi\u1edbi: 60 Hz \u1edf B\u1eafc M\u1ef9, m\u1ed9t s\u1ed1 n\u01a1i \u1edf Nam M\u1ef9 v\u00e0 m\u1ed9t s\u1ed1 n\u01b0\u1edbc ch\u00e2u \u00c1, v\u00e0 50 Hz tr\u00ean kh\u1eafp Ch\u00e2u \u00c2u, h\u1ea7u h\u1ebft ch\u00e2u \u00c1, ch\u00e2u Phi v\u00e0 ch\u00e2u \u0110\u1ea1i D\u01b0\u01a1ng. Con s\u1ed1 duy nh\u1ea5t n\u00e0y x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 \u0111\u1ed3ng b\u1ed9 c\u1ee7a m\u1ecdi \u0111\u1ed9ng c\u01a1 AC tr\u00ean ngu\u1ed3n c\u1ea5p v\u00e0 t\u1ea1o ra m\u1ed9t h\u1ecd l\u1ef1c \u0111i\u1ec7n t\u1eeb \u2014 v\u00e0 do \u0111\u00f3 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration\/\">rung \u0111\u1ed9ng<\/a> c\u00e1c th\u00e0nh ph\u1ea7n \u2014 t\u1ea1i c\u00e1c b\u1ed9i s\u1ed1 c\u1ee7a t\u1ea7n s\u1ed1 d\u00f2ng \u0111i\u1ec7n.<\/p>\n<p>Trong \u0111\u1ed9ng c\u01a1 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/vibration-analysis\/\">Ph\u00e2n t\u00edch rung \u0111\u1ed9ng<\/a>, t\u1ea7n s\u1ed1 d\u00f2ng \u0111i\u1ec7n v\u00e0 c\u00e1c s\u00f3ng h\u00e0i c\u1ee7a n\u00f3, \u0111\u1eb7c bi\u1ec7t l\u00e0 hai l\u1ea7n t\u1ea7n s\u1ed1 d\u00f2ng \u0111i\u1ec7n (2\u00d7f), l\u00e0 nh\u1eefng ch\u1ec9 b\u00e1o ch\u1ea9n \u0111o\u00e1n ch\u00ednh cho c\u00e1c v\u1ea5n \u0111\u1ec1 \u0111i\u1ec7n t\u1eeb, l\u1ed7i stato v\u00e0 s\u1ef1 kh\u00f4ng \u0111\u1ec1u c\u1ee7a kho\u1ea3ng c\u00e1ch. \u0110\u1ecdc ch\u00fang m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c l\u00e0 c\u00e1ch cho ph\u00e9p m\u1ed9t nh\u00e0 ph\u00e2n t\u00edch ph\u00e2n bi\u1ec7t m\u1ed9t l\u1ed7i \u0111i\u1ec7n v\u1edbi m\u1ed9t l\u1ed7i c\u01a1 h\u1ecdc trong c\u00f9ng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/spectrum\/\">ph\u1ed5<\/a>.<\/p>\n<h2>1. M\u1ed1i quan h\u1ec7 v\u1edbi T\u1ed1c \u0111\u1ed9 \u0110\u1ed9ng c\u01a1<\/h2>\n<h3>T\u1ed1c \u0111\u1ed9 \u0111\u1ed3ng b\u1ed9<\/h3>\n<p>\u0110\u1ed1i v\u1edbi \u0111\u1ed9ng c\u01a1 c\u1ea3m \u1ee9ng AC, t\u1ed1c \u0111\u1ed9 \u0111\u1ed3ng b\u1ed9 c\u1ee7a t\u1eeb tr\u01b0\u1eddng quay \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng t\u1ea7n s\u1ed1 d\u00f2ng \u0111i\u1ec7n v\u00e0 s\u1ed1 c\u1ef1c:<\/p>\n<blockquote><p>N<sub>\u0111\u1ed3ng b\u1ed9 h\u00f3a<\/sub> = (120 \u00d7 f) \/ P&nbsp;&nbsp;\u2014 trong \u0111\u00f3 N<sub>\u0111\u1ed3ng b\u1ed9 h\u00f3a<\/sub> l\u00e0 t\u1ed1c \u0111\u1ed9 \u0111\u1ed3ng b\u1ed9 t\u00ednh b\u1eb1ng RPM, f l\u00e0 t\u1ea7n s\u1ed1 \u0111i\u1ec7n t\u00ednh b\u1eb1ng Hz, v\u00e0 P l\u00e0 s\u1ed1 c\u1ef1c.<\/p><\/blockquote>\n<p>Gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/running-speed\/\">t\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh<\/a> lu\u00f4n th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi t\u1ed1c \u0111\u1ed9 \u0111\u1ed3ng b\u1ed9 v\u00ec rotor c\u1ea3m \u1ee9ng ph\u1ea3i tr\u01b0\u1ee3t \u0111\u1ec3 ph\u00e1t tri\u1ec3n m\u00f4-men xo\u1eafn.<\/p>\n<h3>T\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 th\u00f4ng th\u01b0\u1eddng<\/h3>\n<p>Tr\u00ean m\u1ed9t <strong>60 Hz<\/strong> c\u1ea5p \u0111i\u1ec7n, t\u1ed1c \u0111\u1ed9 \u0111\u1ed3ng b\u1ed9 l\u00e0 3600 RPM cho \u0111\u1ed9ng c\u01a1 2 c\u1ef1c (kho\u1ea3ng 3550 RPM khi ho\u1ea1t \u0111\u1ed9ng), 1800 RPM cho 4 c\u1ef1c (kho\u1ea3ng 1750 RPM), 1200 RPM cho 6 c\u1ef1c (kho\u1ea3ng 1170 RPM) v\u00e0 900 RPM cho 8 c\u1ef1c (kho\u1ea3ng 875 RPM). Tr\u00ean <strong>50 Hz<\/strong> c\u1ea5p \u0111i\u1ec7n, s\u1ed1 c\u1ef1c t\u01b0\u01a1ng t\u1ef1 cho k\u1ebft qu\u1ea3 3000 RPM (kho\u1ea3ng 2950 RPM th\u1ef1c t\u1ebf), 1500 RPM (kho\u1ea3ng 1450), 1000 RPM (kho\u1ea3ng 970) v\u00e0 750 RPM (kho\u1ea3ng 730). C\u00e1i <a href=\"https:\/\/vibromera.eu\/vi\/calculators\/motor-slip-calculator\/\">m\u00e1y t\u00ednh tr\u01b0\u1ee3t \u0111\u1ed9ng c\u01a1 v\u00e0 RPM th\u1ef1c t\u1ebf<\/a> chuy\u1ec3n \u0111\u1ed5i m\u1ed9t t\u00ean s\u1ea3n ph\u1ea9m v\u00e0 m\u1ed9t t\u1ed1c \u0111\u1ed9 \u0111o \u0111\u01b0\u1ee3c th\u00e0nh c\u00e1c con s\u1ed1 n\u00e0y.<\/p>\n<h3>T\u1ea7n s\u1ed1 tr\u01b0\u1ee3t<\/h3>\n<p>Kho\u1ea3ng c\u00e1ch gi\u1eefa t\u1ed1c \u0111\u1ed9 \u0111\u1ed3ng b\u1ed9 v\u00e0 t\u1ed1c \u0111\u1ed9 th\u1ef1c t\u1ebf x\u00e1c \u0111\u1ecbnh <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/slip-frequency\/\">t\u1ea7n s\u1ed1 tr\u01b0\u1ee3t<\/a>:<\/p>\n<blockquote><p>f<sub>s<\/sub> = (N<sub>\u0111\u1ed3ng b\u1ed9 h\u00f3a<\/sub> \u2212 N<sub>th\u1eadt s\u1ef1<\/sub>) \/ 60<\/p><\/blockquote>\n<ul>\n<li>Tr\u01b0\u1ee3t \u0111i\u1ec3n h\u00ecnh ch\u1ea1y 1\u20135% c\u1ee7a t\u1ed1c \u0111\u1ed9 \u0111\u1ed3ng b\u1ed9.<\/li>\n<li>T\u1ea7n s\u1ed1 tr\u01b0\u1ee3t k\u1ebft qu\u1ea3 th\u01b0\u1eddng ch\u1ec9 l\u00e0 1\u20133 Hz.<\/li>\n<li>N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ea3i\u2014tr\u01b0\u1ee3t t\u0103ng khi \u0111\u1ed9ng c\u01a1 l\u00e0m vi\u1ec7c n\u1eb7ng h\u01a1n.<\/li>\n<li>N\u00f3 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n l\u1ed7i \u0111i\u1ec7n rotor, v\u00ec l\u1ed7i thanh rotor \u0111i\u1ec1u ch\u1ebf \u0111\u1ed9 rung \u1edf t\u1ea7n s\u1ed1 th\u00f4ng qua c\u1ef1c, \u0111\u00f3 l\u00e0 tr\u01b0\u1ee3t nh\u00e2n v\u1edbi s\u1ed1 c\u1ef1c.<\/li>\n<\/ul>\n<h2>2. C\u00e1c th\u00e0nh ph\u1ea7n rung \u0111\u1ed9ng \u0111i\u1ec7n t\u1eeb<\/h2>\n<h3>Hai l\u1ea7n t\u1ea7n s\u1ed1 d\u00f2ng \u0111i\u1ec7n (th\u00e0nh ph\u1ea7n chi\u1ebfm \u01b0u th\u1ebf)<\/h3>\n<p>Th\u00e0nh ph\u1ea7n \u0111i\u1ec7n t\u1eeb quan tr\u1ecdng nh\u1ea5t n\u1eb1m \u1edf 2\u00d7f\u2014120 Hz tr\u00ean c\u1ea5p 60 Hz, 100 Hz tr\u00ean c\u1ea5p 50 Hz. N\u00f3 ph\u00e1t sinh v\u00ec l\u1ef1c h\u00fat t\u1eeb gi\u1eefa stator v\u00e0 rotor xung \u0111\u1ed9ng hai l\u1ea7n m\u1ed7i chu k\u1ef3 \u0111i\u1ec7n. M\u1ed9t l\u01b0\u1ee3ng nh\u1ecf l\u00e0 b\u00ecnh th\u01b0\u1eddng trong m\u1ed7i \u0111\u1ed9ng c\u01a1 AC, v\u00ec v\u1eady s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ed7i; tuy nhi\u00ean, 2\u00d7f t\u0103ng cao v\u00e0 gia t\u0103ng tr\u1ecf \u0111\u1ebfn <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/stator-defects\/\">v\u1ea5n \u0111\u1ec1 stat-or<\/a>, m\u1ed9t s\u1ef1 kh\u00f4ng \u0111\u1ec1u <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/air-gap\/\">kho\u1ea3ng tr\u1ed1ng kh\u00f4ng kh\u00ed<\/a>, ho\u1eb7c m\u1ea5t c\u00e2n b\u1eb1ng t\u1eeb.<\/p>\n<h3>T\u1ea7n s\u1ed1 d\u00f2ng \u0111i\u1ec7n (1\u00d7f)<\/h3>\n<p>M\u1ed9t th\u00e0nh ph\u1ea7n \u1edf t\u1ea7n s\u1ed1 d\u00f2ng \u0111i\u1ec7n itself\u201450 ho\u1eb7c 60 Hz\u2014th\u01b0\u1eddng c\u00f3 bi\u00ean \u0111\u1ed9 th\u1ea5p h\u01a1n 2\u00d7f. N\u00f3 c\u00f3 th\u1ec3 b\u1ed9c l\u1ed9 s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng \u0111i\u1ec7n \u00e1p c\u1ea5p v\u00e0 c\u00f3 th\u1ec3 \u0111i k\u00e8m v\u1edbi l\u1ed7i cu\u1ed9n d\u00e2y stator.<\/p>\n<h3>S\u00f3ng h\u00e0i b\u1eadc cao<\/h3>\n<p>C\u00e1c th\u00e0nh ph\u1ea7n \u1edf 4\u00d7f, 6\u00d7f v\u00e0 cao h\u01a1n (240 Hz, 360 Hz tr\u00ean h\u1ec7 th\u1ed1ng 60 Hz) th\u01b0\u1eddng th\u1ea5p trong m\u1ed9t \u0111\u1ed9ng c\u01a1 kh\u1ecfe m\u1ea1nh. Khi ch\u00fang ph\u00e1t tri\u1ec3n, ch\u00fang c\u00f3 th\u1ec3 ch\u1ec9 ra v\u1ea5n \u0111\u1ec1 cu\u1ed9n d\u00e2y ho\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 l\u1edbp laminat l\u00f5i.<\/p>\n<h2>3. \u00dd ngh\u0129a ch\u1ea9n \u0111o\u00e1n<\/h2>\n<h3>Bi\u00ean \u0111\u1ed9 2\u00d7f b\u00ecnh th\u01b0\u1eddng<\/h3>\n<p>Trong m\u1ed9t \u0111\u1ed9ng c\u01a1 b\u00ecnh th\u01b0\u1eddng, th\u00e0nh ph\u1ea7n 2\u00d7f th\u01b0\u1eddng d\u01b0\u1edbi kho\u1ea3ng 10% c\u1ee7a 1\u00d7 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/running-speed\/\">t\u1ed1c \u0111\u1ed9 ch\u1ea1y<\/a> m\u1ee9c, v\u1eabn t\u01b0\u01a1ng \u0111\u1ed1i kh\u00f4ng \u0111\u1ed5i theo th\u1eddi gian, v\u00e0 xu\u1ea5t hi\u1ec7n \u1edf t\u1ea5t c\u1ea3 c\u00e1c h\u01b0\u1edbng m\u1eb7c d\u00f9 th\u01b0\u1eddng m\u1ea1nh nh\u1ea5t theo h\u01b0\u1edbng xuy\u00ean t\u00e2m. Thi\u1ebft l\u1eadp m\u1ee9c b\u00ecnh th\u01b0\u1eddng \u0111\u00f3 l\u00e0 \u0111i\u1ec1u l\u00e0m cho s\u1ef1 gia t\u0103ng sau n\u00e0y c\u00f3 \u00fd ngh\u0129a.<\/p>\n<h3>T\u1ea7n s\u1ed1 2\u00d7f n\u00e2ng cao v\u00e0 \u00fd ngh\u0129a c\u1ee7a n\u00f3<\/h3>\n<ul>\n<li><strong>V\u1ea5n \u0111\u1ec1 cu\u1ed9n d\u00e2y stat-or:<\/strong> C\u00e1c s\u01a1 h\u1edf gi\u1eefa cu\u1ed9n d\u00e2y ho\u1eb7c s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng pha \u0111\u1ea9y 2\u00d7f t\u0103ng l\u00ean theo th\u1eddi gian, th\u01b0\u1eddng k\u00e8m theo t\u0103ng nhi\u1ec7t \u0111\u1ed9 v\u00e0 s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng d\u00f2ng \u0111i\u1ec7n \u0111o \u0111\u01b0\u1ee3c gi\u1eefa c\u00e1c pha.<\/li>\n<li><strong>\u0110\u1ed9 l\u1ec7ch t\u00e2m khe h\u1edf:<\/strong> khe h\u1edf kh\u00f4ng \u0111\u1ec1u t\u1eeb rotor <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/eccentricity\/\">s\u1ef1 l\u1eadp d\u1ecb<\/a> ho\u1eb7c <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/bearing-wear\/\">m\u00f2n \u1ed5 tr\u1ee5c<\/a> t\u1ea1o ra rung \u0111\u1ed9ng kh\u00f4ng c\u00e2n b\u1eb1ng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/magnetic-pull\/\">l\u1ef1c k\u00e9o t\u1eeb t\u00ednh<\/a>, l\u00e0m t\u0103ng 2\u00d7f v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/pole-pass-frequency\/\">t\u1ea7n s\u1ed1 \u0111i qua c\u1ef1c<\/a> c\u00f9ng nhau \u2014 m\u1ed9t s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c hi\u1ec7u \u1ee9ng c\u01a1 h\u1ecdc v\u00e0 \u0111i\u1ec7n t\u1eeb.<\/li>\n<li><strong>M\u00f3ng ch\u00e2n m\u1ec1m ho\u1eb7c c\u1ed9ng h\u01b0\u1edfng khung:<\/strong> n\u1ebfu m\u1ed9t <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/soft-foot\/\">ch\u00e2n m\u1ec1m<\/a> ho\u1eb7c <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/natural-frequency\/\">t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean<\/a> n\u1eb1m g\u1ea7n 2\u00d7f, <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/resonance\/\">c\u1ed9ng h\u01b0\u1edfng c\u1ea5u tr\u00fac<\/a> khu\u1ebfch \u0111\u1ea1i rung \u0111\u1ed9ng \u0111i\u1ec7n t\u1eeb; rung \u0111\u1ed9ng khung khi \u0111\u00f3 v\u01b0\u1ee3t xa rung \u0111\u1ed9ng \u1ed5 bi, v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c l\u00e0 gia c\u1ed1 c\u1ea5u tr\u00fac ho\u1eb7c th\u00eam c\u1ea3n ch\u1ebf \u0111\u1ed9ng.<\/li>\n<\/ul>\n<h2>4. C\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n t\u1ea7n s\u1ed1 thay \u0111\u1ed5i<\/h2>\n<p>M\u1ed9t VFD c\u00f3 \u00fd \u0111\u1ecbnh thay \u0111\u1ed5i t\u1ea7n s\u1ed1 \u0111\u1ea7u ra \u2014 th\u00f4ng th\u01b0\u1eddng 0\u2013120 Hz \u2014 v\u00e0 t\u1ed1c \u0111\u1ed9 \u0111\u1ed9ng c\u01a1 tu\u00e2n theo n\u00f3, v\u00ec v\u1eady m\u1ecdi t\u1ea7n s\u1ed1 \u0111i\u1ec7n t\u1eeb, bao g\u1ed3m 2\u00d7f v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n pole-pass, thay \u0111\u1ed5i t\u1ef7 l\u1ec7 theo \u0111\u1ea7u ra \u1ed5 \u0111\u0129a thay v\u00ec \u1edf t\u1ea7n s\u1ed1 c\u1ed1 \u0111\u1ecbnh 50 ho\u1eb7c 60 Hz. T\u00ednh \u0111\u1ed9ng c\u1ee7a n\u00f3 c\u00f3 nh\u1eefng h\u1eadu qu\u1ea3 th\u1ef1c t\u1ebf \u0111\u1ed1i v\u1edbi rung \u0111\u1ed9ng:<\/p>\n<ul>\n<li><strong>T\u1ea7n s\u1ed1 chuy\u1ec3n m\u1ea1ch:<\/strong> s\u00f3ng mang PWM ti\u00eam c\u00e1c th\u00e0nh ph\u1ea7n d\u1ea3i kHz l\u00ean tr\u00ean t\u1ea7n s\u1ed1 c\u01a1 b\u1ea3n.<\/li>\n<li><strong>D\u00f2ng \u0111i\u1ec7n tr\u00ean v\u00f2ng bi:<\/strong> d\u00f2ng \u0111i\u1ec7n t\u1ea7n s\u1ed1 cao c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng v\u00e0 t\u1ea1o r\u00e3nh tr\u00ean \u1ed5 bi n\u1ebfu tr\u1ee5c kh\u00f4ng \u0111\u01b0\u1ee3c ti\u1ebfp \u0111\u1ecba \u0111\u00fang c\u00e1ch.<\/li>\n<li><strong>Dao \u0111\u1ed9ng xo\u1eafn:<\/strong> xung \u0111\u1ed9ng l\u1ef1c xu\u1ea5t hi\u1ec7n \u1edf c\u00e1c t\u1ea7n s\u1ed1 kh\u00e1c nhau.<\/li>\n<li><strong>K\u00edch th\u00edch c\u1ed9ng h\u01b0\u1edfng:<\/strong> t\u1ed1c \u0111\u1ed9 bi\u1ebfn thi\u00ean \u0111\u01b0\u1ee3c qu\u00e9t c\u00f3 th\u1ec3 \u0111i qua c\u00e1c c\u1ed9ng h\u01b0\u1edfng c\u1ea5u tr\u00fac v\u00e0 t\u1ea1m th\u1eddi khu\u1ebfch \u0111\u1ea1i rung \u0111\u1ed9ng.<\/li>\n<\/ul>\n<h2>5. C\u00e1c v\u00ed d\u1ee5 ch\u1ea9n \u0111o\u00e1n th\u1ef1c t\u1ebf<\/h2>\n<h3>Tr\u01b0\u1eddng h\u1ee3p 1 \u2014 rung \u0111\u1ed9ng 2\u00d7f cao<\/h3>\n<p>M\u1ed9t \u0111\u1ed9ng c\u01a1 c\u1ef1c 4, 60 Hz ho\u1ea1t \u0111\u1ed9ng g\u1ea7n 1750 RPM cho th\u1ea5y th\u00e0nh ph\u1ea7n 120 Hz \u1edf 6 mm\/s, cao h\u01a1n nhi\u1ec1u so v\u1edbi m\u1ee9c ch\u1ea1y \u1edf 1\u00d7 c\u1ee7a n\u00f3 kho\u1ea3ng 2 mm\/s. V\u00ec n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c t\u1eadp trung \u1edf t\u1ea7n s\u1ed1 \u0111\u01b0\u1eddng g\u1ea5p \u0111\u00f4i ch\u1ee9 kh\u00f4ng \u1edf t\u1ed1c \u0111\u1ed9 ch\u1ea1y, ch\u1ec9 b\u00e1o l\u00e0 v\u1ea5n \u0111\u1ec1 cu\u1ed9n d\u00e2y \u1ed1ng ho\u1eb7c \u0111\u1ed9 l\u1ec7ch t\u00e2m khe h\u1edf ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u01a1 h\u1ecdc <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a>. H\u00ecnh \u1ea3nh nhi\u1ec7t khi \u0111\u00f3 ti\u1ebft l\u1ed9 m\u1ed9t \u0111i\u1ec3m n\u00f3ng trong \u1ed1ng v\u00e0 s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng d\u00f2ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u0111o gi\u1eefa c\u00e1c pha, x\u00e1c nh\u1eadn ch\u1ea9n \u0111o\u00e1n; h\u00e0nh \u0111\u1ed9ng kh\u1eafc ph\u1ee5c l\u00e0 qu\u1ea5n l\u1ea1i ho\u1eb7c thay th\u1ebf \u0111\u1ed9ng c\u01a1.<\/p>\n<h3>Tr\u01b0\u1eddng h\u1ee3p 2 \u2014 c\u00e1c d\u1ea3i xung quanh t\u1ed1c \u0111\u1ed9 ch\u1ea1y<\/h3>\n<p>C\u00e1c \u0111\u1ec9nh xu\u1ea5t hi\u1ec7n \u1edf 1\u00d7 \u00b1 kho\u1ea3ng c\u00e1ch li\u00ean quan \u0111\u1ebfn tr\u01b0\u1ee3t (v\u00e0i Hz), ch\u1eef k\u00fd s\u00e1ch gi\u00e1o khoa c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/broken-rotor-bars\/\">thanh r\u00f4to b\u1ecb h\u1ecfng<\/a>. Ph\u00e2n t\u00edch ch\u1eef k\u00fd d\u00f2ng \u0111i\u1ec7n \u0111\u1ed9ng c\u01a1 cho th\u1ea5y c\u00f9ng <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/sidebands\/\">d\u1ea3i b\u00ean<\/a> m\u00f4 h\u00ecnh trong d\u00f2ng cung c\u1ea5p, v\u00e0 theo d\u00f5i bi\u00ean \u0111\u1ed9 d\u1ea3i b\u00ean theo th\u1eddi gian cung c\u1ea5p th\u1eddi gian d\u1eabn \u0111\u1ec3 l\u00ean k\u1ebf ho\u1ea1ch thay th\u1ebf. C\u1ea3 hai tr\u01b0\u1eddng h\u1ee3p n\u1eb1m trong gia \u0111\u00ecnh r\u1ed9ng h\u01a1n c\u1ee7a <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/electrical-faults\/\">s\u1ef1 c\u1ed1 \u0111i\u1ec7n<\/a> m\u00e0 ph\u00e2n t\u00edch rung \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ed1t \u0111\u1ec3 t\u00e1ch bi\u1ec7t v\u1edbi nh\u1eefng c\u00e1i c\u01a1 h\u1ecdc.<\/p>\n<h2>6. C\u00e1c Ph\u01b0\u01a1ng Ph\u00e1p Hay Nh\u1ea5t Khi Gi\u00e1m S\u00e1t<\/h2>\n<h3>Thi\u1ebft l\u1eadp ph\u1ed5<\/h3>\n<p>\u0110\u1eb7t t\u1ea7n s\u1ed1 t\u1ed1i \u0111a tr\u00ean 500 Hz \u0111\u1ec3 ph\u00e2n t\u00edch b\u1eaft \u0111\u01b0\u1ee3c 2\u00d7f v\u00e0 c\u00e1c s\u00f3ng h\u00e0i c\u1ee7a n\u00f3, \u0111\u1ed3ng th\u1eddi ch\u1ecdn \u0111\u1ed9 ph\u00e2n gi\u1ea3i \u0111\u1ee7 \u0111\u1ec3 t\u00e1ch bi\u1ec7t c\u00e1c sideband s\u00edt nhau \u2014 t\u1ed1t h\u01a1n kho\u1ea3ng 0,5 Hz \u0111\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi t\u1ea7n s\u1ed1 tr\u01b0\u1ee3t. \u0110o theo ph\u01b0\u01a1ng ngang, ph\u01b0\u01a1ng d\u1ecdc v\u00e0 ph\u01b0\u01a1ng tr\u1ee5c, v\u00ec c\u00e1c th\u00e0nh ph\u1ea7n \u0111i\u1ec7n t\u1eeb v\u00e0 c\u01a1 h\u1ecdc ph\u00e2n b\u1ed1 kh\u00e1c nhau gi\u1eefa c\u00e1c ph\u01b0\u01a1ng.<\/p>\n<h3>\u0110\u01b0\u1eddng c\u01a1 s\u1edf v\u00e0 xu h\u01b0\u1edbng<\/h3>\n<p>Ghi l\u1ea1i bi\u00ean \u0111\u1ed9 2\u00d7f khi m\u1ed9t \u0111\u1ed9ng c\u01a1 m\u1edbi ho\u1eb7c v\u1eeba \u0111\u01b0\u1ee3c cu\u1ed9n d\u00e2y l\u1ea1i, thi\u1ebft l\u1eadp m\u1ee9c b\u00ecnh th\u01b0\u1eddng cho m\u1ed7i lo\u1ea1i \u0111\u1ed9ng c\u01a1 trong c\u01a1 s\u1edf, v\u00e0 \u0111\u1eb7t gi\u1edbi h\u1ea1n b\u00e1o \u0111\u1ed9ng \u2014 th\u01b0\u1eddng l\u00e0 hai \u0111\u1ebfn ba l\u1ea7n <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/baseline\/\">\u0111\u01b0\u1eddng c\u01a1 s\u1edf<\/a> cho 2\u00d7f. Sau \u0111\u00f3 theo d\u00f5i xu h\u01b0\u1edbng c\u1ee7a c\u00e1c tham s\u1ed1 quan tr\u1ecdng: bi\u00ean \u0111\u1ed9 t\u1ea7n s\u1ed1 d\u00f2ng \u0111i\u1ec7n 2\u00d7, c\u00e1c th\u00e0nh ph\u1ea7n \u0111i qua c\u1ef1c, bi\u00ean \u0111\u1ed9 v\u00e0 m\u1eabu sideband, m\u1ee9c rung \u0111\u1ed9ng t\u1ed5ng th\u1ec3, v\u00e0 c\u00e1c ch\u1ec9 b\u00e1o \u0111i\u1ec1u ki\u1ec7n v\u00f2ng bi th\u00f4ng th\u01b0\u1eddng. Quan s\u00e1t c\u00e1ch nh\u1eefng gi\u00e1 tr\u1ecb \u0111\u00f3 thay \u0111\u1ed5i theo th\u1eddi gian, th\u00f4ng qua vi\u1ec7c theo d\u00f5i k\u1ef7 lu\u1eadt <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/trend-analysis\/\">ph\u00e2n t\u00edch xu h\u01b0\u1edbng<\/a>, l\u00e0 \u0111i\u1ec1u chuy\u1ec3n \u0111\u1ed5i m\u1ed9t ph\u1ed5 \u0111\u01a1n l\u1ebb th\u00e0nh m\u1ed9t c\u1ea3nh b\u00e1o s\u1edbm.<\/p>\n<h2>7. \u0110o l\u01b0\u1eddng N\u00f3 T\u1ea1i Th\u1ef1c \u0110\u1ecba<\/h2>\n<p>T\u00e1ch bi\u1ec7t m\u1ed9t ch\u1eef k\u00fd \u0111i\u1ec7n t\u1eeb kh\u1ecfi ch\u1eef k\u00fd c\u01a1 h\u1ecdc b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch \u0111o l\u01b0\u1eddng s\u1ea1ch s\u1ebd v\u1ec1 bi\u00ean \u0111\u1ed9, t\u1ea7n s\u1ed1 v\u00e0 <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/phase\/\">pha<\/a> t\u1ea1i m\u00e1y. M\u1ed9t thi\u1ebft b\u1ecb hai k\u00eanh di \u0111\u1ed9ng nh\u01b0 <a href=\"https:\/\/vibromera.eu\/vi\/san-pham\/balanset-1\/\">Balanset-1A<\/a> ch\u1ee5p ph\u1ed5 FFT v\u00e0 tham chi\u1ebfu \u0111\u1ed3ng b\u1ed9 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c nh\u1eefng th\u00e0nh ph\u1ea7n n\u00e0y so v\u1edbi t\u1ed1c \u0111\u1ed9 ch\u1ea1y v\u00e0 c\u00e1c s\u00f3ng h\u00e0i c\u1ee7a n\u00f3, gi\u00fap x\u00e1c nh\u1eadn li\u1ec7u m\u1ed9t \u0111\u1ec9nh g\u1ea7n 100 ho\u1eb7c 120 Hz l\u00e0 \u0111i\u1ec7n t\u1eeb hay ch\u1ec9 l\u00e0 ph\u1ea3n \u1ee9ng c\u1ee7a c\u1ea5u tr\u00fac. V\u00e0 khi m\u1ed9t nguy\u00ean nh\u00e2n \u0111i\u1ec7n t\u1eeb \u0111\u00e3 b\u1ecb lo\u1ea1i tr\u1eeb v\u00e0 m\u1ea5t c\u00e2n b\u1eb1ng d\u01b0 th\u1eeba <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/unbalance\/\">m\u1ea5t c\u00e2n b\u1eb1ng<\/a> \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 t\u00e1c nh\u00e2n th\u1ef1c s\u1ef1 c\u1ee7a rung \u0111\u1ed9ng 1\u00d7, thi\u1ebft b\u1ecb t\u01b0\u01a1ng t\u1ef1 th\u1ef1c hi\u1ec7n <a href=\"https:\/\/vibromera.eu\/vi\/glossary\/field-balancing\/\">c\u00e2n b\u1eb1ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/a> \u0111\u1ec3 kh\u1eafc ph\u1ee5c n\u00f3 \u2014 gi\u00fap ki\u1ebfn th\u1ee9c t\u1ea7n s\u1ed1 d\u00f2ng \u0111i\u1ec7n tr\u1ef1c ti\u1ebfp c\u00f3 th\u1ec3 h\u00e0nh \u0111\u1ed9ng tr\u00ean s\u00e0n x\u01b0\u1edfng.<\/p>\n<p>T\u1ea7n s\u1ed1 \u0111i\u1ec7n l\u00e0 c\u01a1 b\u1ea3n \u0111\u1ec3 hi\u1ec3u c\u00e1ch m\u1ed9t \u0111\u1ed9ng c\u01a1 AC ch\u1ea1y v\u00e0 c\u00e1ch n\u00f3 h\u1ecfng. Nh\u1eadn bi\u1ebft c\u00e1c th\u00e0nh ph\u1ea7n t\u1ea7n s\u1ed1 d\u00f2ng \u0111i\u1ec7n \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 2\u00d7f \u2014 trong ph\u1ed5 rung \u0111\u1ed9ng, v\u00e0 bi\u1ebft c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng \u0111i\u1ec7n t\u1eeb \u0111\u1eb1ng sau ch\u00fang, cho ph\u00e9p m\u1ed9t nh\u00e0 ph\u00e2n t\u00edch v\u1ebd \u0111\u01b0\u1eddng ranh gi\u1edbi quan tr\u1ecdng gi\u1eefa c\u00e1c l\u1ed7i c\u01a1 h\u1ecdc v\u00e0 \u0111i\u1ec7n, v\u00e0 h\u01b0\u1edbng d\u1eabn h\u00e0nh \u0111\u1ed9ng ch\u1ea9n \u0111o\u00e1n v\u00e0 kh\u1eafc ph\u1ee5c ph\u00f9 h\u1ee3p.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/vi\/glossary\/\">\u2190 Quay l\u1ea1i M\u1ee5c l\u1ee5c ch\u00ednh<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u v\u1ec1 t\u1ea7n s\u1ed1 \u0111i\u1ec7n (t\u1ea7n s\u1ed1 \u0111\u01b0\u1eddng d\u00e2y), t\u1ea7n s\u1ed1 ngu\u1ed3n \u0111i\u1ec7n xoay chi\u1ec1u quy\u1ebft \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 \u0111\u1ed3ng b\u1ed9 c\u1ee7a \u0111\u1ed9ng c\u01a1 v\u00e0 t\u1ea1o ra c\u00e1c th\u00e0nh ph\u1ea7n rung \u0111\u1ed9ng \u0111\u1eb7c tr\u01b0ng \u1edf t\u1ea7n s\u1ed1 \u0111\u01b0\u1eddng d\u00e2y g\u1ea5p 2 l\u1ea7n.<\/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\/vi\/wp-json\/wp\/v2\/glossary\/111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/111\/revisions"}],"predecessor-version":[{"id":101332,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/glossary\/111\/revisions\/101332"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}