{"version":"1.0","provider_name":"Tramo","provider_url":"https:\/\/tramoetv.se\/no\/","title":"Transformatorer med startstr\u00f8mbegrensere - Tramo","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"oHsc8SsF2t\"><a href=\"https:\/\/tramoetv.se\/no\/transformatorer-med-startstrombegrensere\/\">Transformatorer med startstr\u00f8mbegrensere<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/tramoetv.se\/no\/transformatorer-med-startstrombegrensere\/embed\/#?secret=oHsc8SsF2t\" width=\"600\" height=\"338\" title=\"&laquo;Transformatorer med startstr\u00f8mbegrensere&raquo; &#8212; Tramo\" data-secret=\"oHsc8SsF2t\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/tramoetv.se\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/tramoetv.se\/wp-content\/uploads\/2026\/01\/LinkedIn-inlagg-20.jpg","thumbnail_width":1200,"thumbnail_height":1500,"description":"Hvorfor er det n\u00f8dvendig med en startstr\u00f8mbegrenser? N\u00e5r en transformator spenningssettes, oppst\u00e5r det en innkoblingsstr\u00f8m som kan for\u00e5rsake en sv\u00e6rt h\u00f8y str\u00f8mspike i en kort periode. Magnetiseringsstr\u00f8mmen kan da v\u00e6re 10-20 ganger st\u00f8rre enn transformatorens merkestr\u00f8m. Dette kan for\u00e5rsake flere problemer: &#8211; Sikringer eller jordfeilbrytere utl\u00f8ses&#8211; Tung belastning p\u00e5 brytere og kontaktorer&#8211; Mekanisk brumming eller spenning i transformatorkjernen&#8211; Un\u00f8dvendig slitasje p\u00e5 elektriske installasjoner H\u00f8ye startstr\u00f8mmer kan tvinge deg til \u00e5 velge en st\u00f8rre hovedsikring, noe ... Read More"}