{"id":3811,"date":"2026-03-26T07:00:18","date_gmt":"2026-03-26T06:00:18","guid":{"rendered":"https:\/\/tramoetv.se\/?p=3811"},"modified":"2026-03-26T12:13:24","modified_gmt":"2026-03-26T11:13:24","slug":"fire-spesialtilpassede-sinusfiltre-for-gruveindustrien","status":"publish","type":"post","link":"https:\/\/tramoetv.se\/no\/fire-spesialtilpassede-sinusfiltre-for-gruveindustrien\/","title":{"rendered":"Fire spesialtilpassede Sinusfiltre for gruveindustrien"},"content":{"rendered":"<p>Fire spesialtilpassede Sinusfilter er n\u00e5 i drift hos en kunde i gruveindustrien i Nord-Sverige. <strong><a href=\"https:\/\/www.granitor.se\/systems\">Granitor Systems<\/a> <\/strong>fikk i oppdrag \u00e5 levere en containerl\u00f8sning for kraftdistribusjon, der Tramo leverte Sinusfiltre som en del av systemet. De leverte Sinusfiltrene brukes i pumper som drives av frekvensstyrte (VFD) motorer. De h\u00f8ye kravene i denne applikasjonen f\u00f8rte til at vi m\u00e5tte utvikle en spesialtilpasset l\u00f8sning.  <\/p>\n<h2>Visste du det?<\/h2>\n<p>Med <strong><a href=\"https:\/\/tramoetv.se\/no\/sinusformet-filter\/\">Sinusfilter<\/a> <\/strong>g\u00e5r b\u00e5de spenning og str\u00f8m fra ufiltrert til ideelle sinuskurver p\u00e5 opptil 500 meter.<\/p>\n<h2><b><span data-contrast=\"auto\">Problemet<\/span><\/b><\/h2>\n<p><span data-contrast=\"auto\">Allerede p\u00e5 designstadiet inns\u00e5 Granitor at en induktor ikke var nok, ettersom motorprodusenten hadde spesifisert at det var n\u00f8dvendig med et Sinusfilter, og kabellengden var 320 meter.<\/span><span data-ccp-props=\"{\"335559738\":240,\"335559739\":240}\"> <\/span><\/p>\n<p><span data-contrast=\"auto\">Med en tydelig kravspesifikasjon, b\u00e5de n\u00e5r det gjaldt tekniske parametere og geografisk plassering, kunne Tramos tekniske team utvikle den riktige l\u00f8sningen.  <\/span><span data-ccp-props=\"{\"335559738\":240,\"335559739\":240}\"> <\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3757\" src=\"https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/utan_sinusfilter_690V_1200px.png\" alt=\"Sinusb\u00f8lge 690 V uten Sinusfilter  \" width=\"1200\" height=\"612\" srcset=\"https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/utan_sinusfilter_690V_1200px.png 1200w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/utan_sinusfilter_690V_1200px-300x153.png 300w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/utan_sinusfilter_690V_1200px-1024x522.png 1024w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/utan_sinusfilter_690V_1200px-768x392.png 768w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/utan_sinusfilter_690V_1200px-600x306.png 600w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/utan_sinusfilter_690V_1200px-100x51.png 100w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/utan_sinusfilter_690V_1200px-1184x604.png 1184w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h2><span data-ccp-props=\"{\"335559738\":240,\"335559739\":240}\">L\u00f8sningen<\/span><\/h2>\n<p><span data-contrast=\"auto\">Med informasjon om effektbehov, nominell spenning og effektfaktor kunne Sinusfilteret dimensjoneres for riktig str\u00f8m og i henhold til de riktige egenskapene. Siden det var begrenset med plass, ble det tatt en felles beslutning om \u00e5 plassere enhetene utenfor selve containeren. Med riktig IP-klassifisering og en filtervifte med en luftstr\u00f8m p\u00e5 12 m\u00b3\/t kunne filteret utformes og optimaliseres.  <\/span><\/p>\n<p><span data-contrast=\"auto\">Etter idriftsettelse kan de frekvensstyrte motorene kj\u00f8res trygt og beskyttes mot<\/span><span data-ccp-props=\"{\"335559738\":240,\"335559739\":240}\"> <\/span><\/p>\n<ul>\n<li><span data-contrast=\"auto\">Spenningstopper<\/span><\/li>\n<li><span data-contrast=\"auto\">B\u00e6rende str\u00f8mmer<\/span><\/li>\n<li><span data-contrast=\"auto\">Byttet lyder i motoren<\/span><span data-ccp-props=\"{\"335559738\":240,\"335559739\":240}\"> <\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"auto\">Dette forlenger levetiden og reduserer behovet for service. Tapene i motoren reduseres ogs\u00e5 drastisk, noe som betyr at mesteparten av kraften utnyttes i stedet for \u00e5 g\u00e5 tapt som varme.   <\/span><span data-ccp-props=\"{\"335559738\":240,\"335559739\":240}\"> <\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3761\" src=\"https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/med_sinusfilter_1200px.png\" alt=\"Sinusb\u00f8lge 690 V med Sinusfilter\" width=\"1200\" height=\"656\" srcset=\"https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/med_sinusfilter_1200px.png 1200w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/med_sinusfilter_1200px-300x164.png 300w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/med_sinusfilter_1200px-1024x560.png 1024w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/med_sinusfilter_1200px-768x420.png 768w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/med_sinusfilter_1200px-600x328.png 600w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/med_sinusfilter_1200px-100x55.png 100w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/med_sinusfilter_1200px-1184x647.png 1184w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>Har du et problem med str\u00f8mkvaliteten som du trenger hjelp med?  <a href=\"https:\/\/tramoetv.se\/no\/kontakt-tramo-etv-transformatorfabrikk\/\"><strong>Kontakt Tramo!<\/strong> <\/a>  Vi har et dyktig teknisk team som kan utvikle en l\u00f8sning som er skreddersydd for ditt bruksomr\u00e5de.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3806\" src=\"https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/VZ1000739_Camera_Camera-2.png\" alt=\"Innkapslet Sinusfilter\" width=\"1792\" height=\"1008\" srcset=\"https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/VZ1000739_Camera_Camera-2.png 1792w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/VZ1000739_Camera_Camera-2-300x169.png 300w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/VZ1000739_Camera_Camera-2-1024x576.png 1024w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/VZ1000739_Camera_Camera-2-768x432.png 768w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/VZ1000739_Camera_Camera-2-1536x864.png 1536w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/VZ1000739_Camera_Camera-2-600x338.png 600w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/VZ1000739_Camera_Camera-2-100x56.png 100w, https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/VZ1000739_Camera_Camera-2-1184x666.png 1184w\" sizes=\"auto, (max-width: 1792px) 100vw, 1792px\" \/><\/p>\n<hr>\n<h3>Hva gj\u00f8r et Sinusfilter?<\/h3>\n<ul>\n<li>D\u00e5rlig str\u00f8mkvalitet i frekvensomformere kan f\u00f8re til overoppheting og \u00f8kt slitasje p\u00e5 motorene<\/li>\n<li>Et Sinusfilter beskytter frekvensstyrte motorer mot lagerstr\u00f8mmer, spenningstopper og isolasjonsfeil<\/li>\n<li>Forlenger motorens levetid og reduserer vedlikeholdskostnadene<\/li>\n<li>Enkel \u00e5 p\u00e5f\u00f8re uten \u00e5 forstyrre motordesignet<\/li>\n<\/ul>\n<p>Sinusfilteret kan brukes p\u00e5 en lang rekke bruksomr\u00e5der, uten \u00e5 forstyrre motordesignet.<\/p>\n<h3>Anbefalte bruksomr\u00e5der for Sinusfilter:<\/h3>\n<p>Sinusfilteret kan brukes p\u00e5 en lang rekke bruksomr\u00e5der, uten \u00e5 forstyrre motordesignet.<\/p>\n<ul>\n<li>Motorer der magnetisk st\u00f8y fra PWM-spenningen m\u00e5 elimineres<\/li>\n<li>Motorer som brukes i aggressive milj\u00f8er eller ved h\u00f8ye temperaturer<\/li>\n<li>Bruksomr\u00e5der med motorkabler mellom 150-300 m og lengre, b\u00e5de skjermede og uskjermede kabler<\/li>\n<li>Bruksomr\u00e5der der serviceintervallet m\u00e5 forlenges<\/li>\n<li>Bruksomr\u00e5der med 690V og generelle motorer<\/li>\n<li>Tilfeller der frekvensomformeren er koblet til en transformator<\/li>\n<\/ul>\n<p><strong>Finn ut mer om v\u00e5rt utvalg av Sinusfilter og last ned databladet ditt <a href=\"https:\/\/tramoetv.se\/no\/sinusformet-filter\/\">her!<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fire spesialtilpassede Sinusfilter er n\u00e5 i drift hos en kunde i gruveindustrien i Nord-Sverige. Granitor Systems fikk i oppdrag \u00e5 levere en containerl\u00f8sning for kraftdistribusjon, der Tramo leverte Sinusfiltre som en del av systemet. De leverte Sinusfiltrene brukes i pumper som drives av frekvensstyrte (VFD) motorer. De h\u00f8ye kravene i denne applikasjonen f\u00f8rte til at vi m\u00e5tte utvikle en spesialtilpasset l\u00f8sning. Visste du det? Med Sinusfilter g\u00e5r b\u00e5de spenning og str\u00f8m fra ufiltrert til ideelle &#8230; <a href=\"https:\/\/tramoetv.se\/no\/fire-spesialtilpassede-sinusfiltre-for-gruveindustrien\/\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":2,"featured_media":3770,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3811","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-okategoriserad"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fire spesialtilpassede Sinusfiltre for gruveindustrien - Tramo<\/title>\n<meta name=\"description\" content=\"Les hvordan Tramo utviklet et spesialtilpasset Sinusfilter for Granitor Systems. 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Kontakt oss for \u00e5 forbedre str\u00f8mkvaliteten p\u00e5 anlegget ditt!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/tramoetv.se\/no\/fire-spesialtilpassede-sinusfiltre-for-gruveindustrien\/\" \/>\n<meta property=\"og:site_name\" content=\"Tramo\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-26T06:00:18+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-26T11:13:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/03\/kundanpassade_sinusfilter_gruvindustrin.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"1500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Ella \u00c5berg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Skrevet av\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ella \u00c5berg\" \/>\n\t<meta name=\"twitter:label2\" content=\"Ansl. lesetid\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutter\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/tramoetv.se\\\/no\\\/fire-spesialtilpassede-sinusfiltre-for-gruveindustrien\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tramoetv.se\\\/no\\\/fire-spesialtilpassede-sinusfiltre-for-gruveindustrien\\\/\"},\"author\":{\"name\":\"Ella \u00c5berg\",\"@id\":\"https:\\\/\\\/tramoetv.se\\\/no\\\/#\\\/schema\\\/person\\\/f8574cfb46ce01c869f70b2badff4e0a\"},\"headline\":\"Fire spesialtilpassede Sinusfiltre for gruveindustrien\",\"datePublished\":\"2026-03-26T06:00:18+00:00\",\"dateModified\":\"2026-03-26T11:13:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/tramoetv.se\\\/no\\\/fire-spesialtilpassede-sinusfiltre-for-gruveindustrien\\\/\"},\"wordCount\":432,\"publisher\":{\"@id\":\"https:\\\/\\\/tramoetv.se\\\/no\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/tramoetv.se\\\/no\\\/fire-spesialtilpassede-sinusfiltre-for-gruveindustrien\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/tramoetv.se\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/kundanpassade_sinusfilter_gruvindustrin.jpg\",\"articleSection\":[\"Okategoriserad\"],\"inLanguage\":\"nb-NO\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/tramoetv.se\\\/no\\\/fire-spesialtilpassede-sinusfiltre-for-gruveindustrien\\\/\",\"url\":\"https:\\\/\\\/tramoetv.se\\\/no\\\/fire-spesialtilpassede-sinusfiltre-for-gruveindustrien\\\/\",\"name\":\"Fire spesialtilpassede Sinusfiltre for gruveindustrien - Tramo\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/tramoetv.se\\\/no\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/tramoetv.se\\\/no\\\/fire-spesialtilpassede-sinusfiltre-for-gruveindustrien\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/tramoetv.se\\\/no\\\/fire-spesialtilpassede-sinusfiltre-for-gruveindustrien\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/tramoetv.se\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/kundanpassade_sinusfilter_gruvindustrin.jpg\",\"datePublished\":\"2026-03-26T06:00:18+00:00\",\"dateModified\":\"2026-03-26T11:13:24+00:00\",\"description\":\"Les hvordan Tramo utviklet et spesialtilpasset Sinusfilter for Granitor Systems. 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