{"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\/tl\/glossary\/electrical-frequency\/","title":{"rendered":"Ano ang Electrical Frequency? Line Frequency sa mga Motor"},"content":{"rendered":"<h1>Pag-unawa sa Electrical Frequency sa mga Motor<\/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\/tl\/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\/tl\/product\/balanset-1\/\" title=\"Portable balancer at Vibration analyzer Balanset-1A\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A full kit portable na balancer at vibration analyzer\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-18x12.webp 18w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2023\/09\/77-e1693745667801-272x182.webp 272w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/tl\/product-category\/devices\/\" rel=\"tag\">Devices<\/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\/tl\/product\/balanset-1\/\" title=\"Portable balancer at Vibration analyzer Balanset-1A\">Portable na balancer &#038; vibration analyzer na 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> + VAT (kung naaangkop)<\/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=\"\/tl\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/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=\"Add to cart: \u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d\" rel=\"nofollow\" data-success_message=\"\u201cPortable balancer &amp; Vibration analyzer Balanset-1A\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/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\/tl\/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\/tl\/product\/vibration-sensor\/\" title=\"Sensor ng vibraci\u00f3n\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Balanset-1A vibration sensor close-up\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-3.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/tl\/product-category\/parts\/\" rel=\"tag\">Parts<\/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\/tl\/product\/vibration-sensor\/\" title=\"Sensor ng vibraci\u00f3n\">Sensor ng vibraci\u00f3n<\/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> + VAT (kung naaangkop)<\/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=\"\/tl\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/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=\"Add to cart: \u201cVibration sensor\u201d\" rel=\"nofollow\" data-success_message=\"\u201cVibration sensor\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/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\/tl\/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\/tl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optical Sensor (Laser Tachometer)\">\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=\"Optical Sensor (Laser Tachometer)\" 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\/tl\/product-category\/parts\/\" rel=\"tag\">Parts<\/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\/tl\/product\/optical-sensor-for-balanset-and-arbalance\/\" title=\"Optical Sensor (Laser Tachometer)\">Optical Sensor (Laser Tachometer)<\/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> + VAT (kung naaangkop)<\/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=\"\/tl\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/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=\"Add to cart: \u201cOptical Sensor (Laser Tachometer)\u201d\" rel=\"nofollow\" data-success_message=\"\u201cOptical Sensor (Laser Tachometer)\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/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\/tl\/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\/tl\/product\/balanset-4\/\" title=\"Balanset-4\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2022\/12\/balkom4-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Vibromera rotor balancing kit: carrying case, multi-channel signal conditioner, handheld analyzer, magnetic base, mga vibration sensor, at mga coiled cable.\" 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\/tl\/product-category\/devices\/\" rel=\"tag\">Devices<\/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\/tl\/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> + VAT (kung naaangkop)<\/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=\"\/tl\/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=\"Add to cart\" data-no-translation-title=\"\"><i rel=\"tooltip\" data-original-title=\"Add to cart\" 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=\"\/tl\/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=\"Add to cart: \u201cBalanset-4\u201d\" rel=\"nofollow\" data-success_message=\"\u201cBalanset-4\u201d has been added to your cart\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\" data-no-translation-data-success_message=\"\">Add to cart<\/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\/tl\/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\/tl\/product\/magnet-stand\/\" title=\"Magnetic Stand Insize-60-kgf\">\n\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"153\" src=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Magnet base.\" srcset=\"https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-230x153.webp 230w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-600x400.webp 600w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-300x200.webp 300w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-1024x682.webp 1024w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-768x512.webp 768w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-360x240.webp 360w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36-272x182.webp 272w, https:\/\/vibromera.eu\/wp-content\/uploads\/2018\/05\/IMG-36.webp 1280w\" sizes=\"auto, (max-width: 230px) 100vw, 230px\" \/>\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<div class=\"ripple-container\"><\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"content\">\n\t\t\t\t\t\t\t\t<span class=\"category\"><a href=\"https:\/\/vibromera.eu\/tl\/product-category\/parts\/\" 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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>Electrical frequency<\/strong> \u2014 na tinatawag din na line frequency, mains frequency o power frequency \u2014 ang frequency ng alternating current na ibinibigay sa mga electric motor at iba pang electrical na kagamitan. Dalawang pamantayan ang nangingibabaw sa buong mundo: 60 Hz sa Hilagang Amerika, ilang bahagi ng Timog Amerika at ilang bansang Asyano, at 50 Hz sa buong Europa, karamihan sa Asya, Afrika at Australia. Ang numerong ito ang nagtatakda ng synchronous speed ng bawat AC motor sa supply at naglilikha ng isang pamilya ng electromagnetic forces \u2014 at samakatuwid <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/vibration\/\">vibration<\/a> mga bahagi \u2014 sa mga multiple ng line frequency.<\/p>\n<p>In motor <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/vibration-analysis\/\">pagsusuri ng vibration<\/a>, ang line frequency at ang mga harmonics nito, lalo na ang dalawang beses na line frequency (2\u00d7f), ay mahahalagang diagnostic indicator para sa mga electromagnetic na problema, stator fault at air-gap irregularities. Ang tamang pagbabasa sa mga ito ang nagpapahintulot sa isang analyst na makilala ang electrical fault mula sa mechanical na depekto sa parehong <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/spectrum\/\">spectrum<\/a>.<\/p>\n<h2>1. Kaugnayan sa Bilis ng Motor<\/h2>\n<h3>Bilis ng Sinkronismo<\/h3>\n<p>Para sa isang AC induction motor, ang synchronous speed ng umiikot na magnetic field ay tinutukoy ng line frequency at bilang ng mga pole:<\/p>\n<blockquote><p>N<sub>sync<\/sub> = (120 \u00d7 f) \/ P&nbsp;&nbsp;\u2014 kung saan N<sub>sync<\/sub> ay ang synchronous speed sa RPM, ang f ay ang electrical frequency sa Hz, at ang P ay ang bilang ng mga pole.<\/p><\/blockquote>\n<p>The actual <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/running-speed\/\">running speed<\/a> ay laging bahagyang mas mababa kaysa sa synchronous speed dahil ang induction rotor ay kailangang mag-slip upang makabuo ng torque.<\/p>\n<h3>Mga Karaniwang Bilis ng Motor<\/h3>\n<p>On a <strong>60 Hz<\/strong> supply ang mga synchronous speed ay 3600 RPM para sa 2-pole motor (humigit-kumulang 3550 RPM sa aktwal na paggamit), 1800 RPM para sa 4-pole (humigit-kumulang 1750 RPM), 1200 RPM para sa 6-pole (humigit-kumulang 1170 RPM) at 900 RPM para sa 8-pole (humigit-kumulang 875 RPM). Sa isang <strong>50 Hz<\/strong> supply ang parehong bilang ng pole ay nagbibigay ng 3000 RPM (humigit-kumulang 2950 RPM aktwal), 1500 RPM (humigit-kumulang 1450), 1000 RPM (humigit-kumulang 970) at 750 RPM (humigit-kumulang 730). Ang <a href=\"https:\/\/vibromera.eu\/tl\/calculators\/motor-slip-calculator\/\">calculator ng motor slip at aktwal na RPM<\/a> direktang ginagawang mga numerong ito ang isang nameplate at isang nasukat na bilis.<\/p>\n<h3>Slip frequency<\/h3>\n<p>Ang pagitan ng synchronous at aktwal na bilis ay nagtatakda ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/slip-frequency\/\">slip frequency<\/a>:<\/p>\n<blockquote><p>f<sub>s<\/sub> = (N<sub>sync<\/sub> \u2212 N<sub>actual<\/sub>) \/ 60<\/p><\/blockquote>\n<ul>\n<li>Ang karaniwang slip ay 1\u20135% ng synchronous speed.<\/li>\n<li>Ang nagresultang slip frequency ay karaniwang 1\u20133 Hz lamang.<\/li>\n<li>Ito ay nakasalalay sa load \u2014 tumataas ang slip habang mas pinagsisikapan ng motor.<\/li>\n<li>Ito ay mahalaga sa pag-diagnose ng mga electrical defect ng rotor, dahil ang mga depekto sa rotor bar ay nagmo-modulate ng vibration sa pole-pass frequency, na ang slip ay pinarami ng bilang ng mga pole.<\/li>\n<\/ul>\n<h2>2. Mga Komponente ng Electromagnetic Vibration<\/h2>\n<h3>Dalawang beses na line frequency (ang nangingibabaw na component)<\/h3>\n<p>Ang pinakamahalagang electromagnetic component ay nasa 2\u00d7f \u2014 120 Hz sa 60 Hz supply, 100 Hz sa 50 Hz supply. Nagmumula ito dahil ang magnetic attraction sa pagitan ng stator at rotor ay nagpupulso nang dalawang beses bawat electrical cycle. Ang maliit na halaga ay normal sa bawat AC motor, kaya ang basta pagkakaroon nito ay hindi isang depekto; gayunpaman, ang mataas at tumataas na 2\u00d7f ay nagpapahiwatig ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/stator-defects\/\">stator problems<\/a>, an uneven <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/air-gap\/\">air gap<\/a>, o magnetic imbalance.<\/p>\n<h3>Dalas ng linya (1\u00d7f)<\/h3>\n<p>Ang component sa line frequency mismo \u2014 50 o 60 Hz \u2014 ay karaniwang mas mababa ang amplitude kaysa sa 2\u00d7f. Maaari itong magpahiwatig ng kawalan ng balanse sa supply voltage at maaaring samahan ang mga depekto sa stator winding.<\/p>\n<h3>Mas mataas na harmonics<\/h3>\n<p>Ang mga component sa 4\u00d7f, 6\u00d7f at pataas (240 Hz, 360 Hz sa 60 Hz na sistema) ay karaniwang mababa sa isang malusog na motor. Kapag lumaki ang mga ito, maaari itong magpahiwatig ng mga problema sa winding o mga isyu sa core lamination.<\/p>\n<h2>3. Kahalagahan sa Diagnosis<\/h2>\n<h3>Normal na 2\u00d7f amplitude<\/h3>\n<p>Sa isang maayos na motor ang 2\u00d7f component ay karaniwang wala pang humigit-kumulang 10% ng 1\u00d7 <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/running-speed\/\">running-speed<\/a> level, nananatiling medyo pare-pareho sa paglipas ng panahon, at lumalabas sa lahat ng direksyon bagaman madalas na pinakamalakas sa radyal na direksyon. Ang pagtatatag ng normal na antas na iyon ang nagbibigay ng kahulugan sa isang kasunod na pagtaas.<\/p>\n<h3>Mataas na 2\u00d7f at ang kahulugan nito<\/h3>\n<ul>\n<li><strong>Mga isyung pang-stator winding:<\/strong> ang turn-to-turn shorts o phase imbalance ay nagpapataas ng 2\u00d7f sa paglipas ng panahon, madalas na may pagtaas ng temperatura at nasusukat na current imbalance sa pagitan ng mga phase.<\/li>\n<li><strong>Eccentricity ng air gap:<\/strong> ang hindi pantay na agwat mula sa rotor <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/eccentricity\/\">eccentricity<\/a> or <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/bearing-wear\/\">bearing wear<\/a> lumilikha ng hindi balanseng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/magnetic-pull\/\">magnetic pull<\/a>, pinatataas ang 2\u00d7f at ang <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/pole-pass-frequency\/\">pole-pass frequencies<\/a> nang magkasama \u2014 isang halo ng mechanical at electromagnetic na epekto.<\/li>\n<li><strong>Soft foot o frame resonance:<\/strong> if a <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/soft-foot\/\">soft foot<\/a> o ang frame&#8217;s <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/natural-frequency\/\">natural frequency<\/a> lies near 2\u00d7f, <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/resonance\/\">structural resonance<\/a> nagpapalaki ng electromagnetic vibration; ang vibration ng frame ay maagang nalampasan ang vibration ng bearing, at ang lunas ay structural stiffening o karagdagang damping.<\/li>\n<\/ul>\n<h2>4. Mga Frequency Drive na Variable<\/h2>\n<p>Ang isang VFD ay sadyang nagbabago ng output frequency \u2014 karaniwang 0\u2013120 Hz \u2014 at sinusundan ito ng bilis ng motor, kaya ang bawat electromagnetic frequency, kasama ang 2\u00d7f at ang mga pole-pass na component, ay nagbabago ayon sa output ng drive kaysa nakatayo sa fixed na 50 o 60 Hz. Ang kakayahang ito ay may mga praktikal na kahihinatnan para sa vibration:<\/p>\n<ul>\n<li><strong>Switching frequencies:<\/strong> ang PWM carrier ay nagdadagdag ng mga component sa saklaw ng kHz sa ibabaw ng fundamental.<\/li>\n<li><strong>Bearing currents:<\/strong> ang mga high-frequency na alon ng kuryente ay maaaring gumaan at magpantig sa mga bearing kung ang shaft ay hindi maayos na nakaground.<\/li>\n<li><strong>Torsional vibration:<\/strong> ang mga torque pulsations ay lumilitaw sa iba't ibang frequencies.<\/li>\n<li><strong>Resonance excitation:<\/strong> ang variable speed na nagbabago ay maaaring dumaan sa mga structural resonance at pansamantalang magpalakas ng vibration.<\/li>\n<\/ul>\n<h2>5. Mga Praktikal na Halimbawa ng Diagnosis<\/h2>\n<h3>Case 1 \u2014 mataas na 2\u00d7f vibration<\/h3>\n<p>Ang isang 4-pole na motor na 60 Hz na tumatakbo malapit sa 1750 RPM ay nagpapakita ng 120 Hz na component sa 6 mm\/s, na higit sa itaas ng 1\u00d7 running-speed level nito na humigit-kumulang 2 mm\/s. Dahil ang enerhiya ay nakakonsentra sa dalawang beses na line frequency kaysa sa running speed, ang indikasyon ay isang problema sa stator-winding o air-gap eccentricity kaysa mekanikal <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/unbalance\/\">unbalance<\/a>. Ang thermal imaging ay nagpapakita ng isang mainit na lugar sa stator at isang current imbalance ay nasukat sa pagitan ng mga phase, na nagpapatunay ng diagnosis; ang corrective action ay ang mag-rewind o palitan ang motor.<\/p>\n<h3>Case 2 \u2014 mga sidebands sa paligid ng running speed<\/h3>\n<p>Lumilitaw ang mga peak sa 1\u00d7 \u00b1 ang slip-related na pagitan (ilang Hz), ang textbook na lagda ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/broken-rotor-bars\/\">sirang rotor bars<\/a>. Ang motor current signature analysis ay nagpapakita ng parehong <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/sidebands\/\">sideband<\/a> pattern sa supply current, at ang pagsubaybay sa amplitude ng sideband sa paglipas ng panahon ay nagbibigay ng lead time upang magplano ng kapalit. Ang magkabilang kaso ay nasa loob ng mas malawak na pamilya ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/electrical-faults\/\">electrical faults<\/a> na ang vibration analysis ay angkop na paghiwalayin mula sa mga mekanikal.<\/p>\n<h2>6. Pinakamahusay na Gawi sa Pagsubaybay<\/h2>\n<h3>Spectrum setup<\/h3>\n<p>Itakda ang maximum frequency sa itaas ng 500 Hz upang makuha ng pagsusuri ang 2\u00d7f at ang mga harmonic nito, at pumili ng sapat na resolution upang paghiwalayin ang mga malapit na magkasamang sideband \u2014 mas mabuti kaysa sa humigit-kumulang 0.5 Hz na resolution para sa gawain sa slip-frequency. Sumukat nang pahalang, patayo at axially, dahil ang mga electromagnetic at mekanikal na component ay namamahagi nang iba-iba sa pagitan ng mga direksyon.<\/p>\n<h3>Mga Baseline at Trending<\/h3>\n<p>Itala ang 2\u00d7f amplitude kapag ang isang motor ay bago o bagong na-rewind, magtatag ng mga normal na antas para sa bawat uri ng motor sa pasilidad, at magtakda ng mga limitasyon ng alarma \u2014 karaniwang dalawa hanggang tatlong beses <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/baseline\/\">baseline<\/a> para sa 2\u00d7f. Pagkatapos ay subaybayan ang mga parameter na mahalaga: ang 2\u00d7 line-frequency amplitude, ang mga pole-pass component, mga amplitude at pattern ng sideband, ang pangkalahatang antas ng vibration, at ang karaniwang mga indicator ng kondisyon ng bearing. Ang pagmamasid kung paano gumagalaw ang mga value na iyon sa paglipas ng panahon, sa pamamagitan ng disiplinadong <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/trend-analysis\/\">trend analysis<\/a>, ang siyang nagko-convert ng isang spectrum sa isang maagang babala.<\/p>\n<h2>7. Pagsukat Nito sa Larangan<\/h2>\n<p>Ang paghihiwalay ng electrical signature mula sa mekanikal ay nagsisimula sa isang malinis na sukat ng amplitude, frequency at <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/phase\/\">phase<\/a> sa makina. Ang isang portable na dalawang-channel na instrumento tulad ng <a href=\"https:\/\/vibromera.eu\/tl\/product\/balanset-1\/\">Balanset-1A<\/a> ay kumukuha ng FFT spectrum at ng synchronous reference na kailangan upang mailagay nang tumpak ang mga component na ito laban sa running speed at ang mga harmonic nito, na tumutulong na kumpirmahin kung ang isang peak malapit sa 100 o 120 Hz ay electromagnetic o simpleng structural response. At kapag napatunayan na na ang isang electrical na dahilan ay hindi kasalanan at ang residual <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/unbalance\/\">unbalance<\/a> ay natukoy bilang tunay na dahilan ng 1\u00d7 vibration, ang parehong instrumento ay gumaganap ng <a href=\"https:\/\/vibromera.eu\/tl\/glossary\/field-balancing\/\">on-site na pagbabalanse<\/a> na nagwawasto nito \u2014 na ginagawang direktang magagamit ang kaalaman sa line frequency sa sahig ng pagawaan.<\/p>\n<p>Ang electrical frequency ay pundamental sa pag-unawa kung paano tumatakbo ang isang AC motor at kung paano ito nabibigo. Ang pagkilala sa mga bahagi ng line frequency \u2014 lalo na ang 2\u00d7f \u2014 sa isang vibration spectrum, at ang pag-alam sa mga electromagnetic na phenomena sa likod ng mga ito, ay nagbibigay-daan sa isang analyst na malinaw na maihiwalay ang mga mechanical mula sa electrical na depekto at gabayan ang tamang diagnostic at corrective na aksyon.<\/p>\n<hr>\n<p><a href=\"https:\/\/vibromera.eu\/tl\/glossary\/\">\u2190 Bumalik sa Pangunahing Index<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Matuto tungkol sa electrical frequency (line frequency), ang AC power supply frequency na nagtatakda ng synchronous speed ng motor at lumilikha ng katangiang mga bahagi ng vibration sa 2X line frequency.<\/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\/tl\/wp-json\/wp\/v2\/glossary\/111","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary\/111\/revisions"}],"predecessor-version":[{"id":101332,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/glossary\/111\/revisions\/101332"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/media?parent=111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/categories?post=111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/tl\/wp-json\/wp\/v2\/tags?post=111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}