{"version":"1.0","provider_name":"ZHENGXI","provider_url":"https:\/\/www.zhengxi1983.com\/da\/","author_name":"zhengxi","author_url":"https:\/\/www.zhengxi1983.com\/da\/author\/jyele\/","title":"Why Do Toroidal Transformers Hum? Understanding the Causes and Solutions - ZHENGXI","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"VmwhjAsemS\"><a href=\"https:\/\/www.zhengxi1983.com\/da\/why-do-toroidal-transformers-hum\/\">Hvorfor brummer ringkernetransformatorer? Forst\u00e5else af \u00e5rsager og l\u00f8sninger<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.zhengxi1983.com\/da\/why-do-toroidal-transformers-hum\/embed\/#?secret=VmwhjAsemS\" width=\"600\" height=\"338\" title=\"\u201cHvorfor brummer ringkernetransformatorer? Forst\u00e5else af \u00e5rsager og l\u00f8sninger\u201d - ZHENGXI\" data-secret=\"VmwhjAsemS\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\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:\/\/www.zhengxi1983.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>","description":"Toroidal transformers are known for their compact design, energy efficiency, and low electromagnetic interference (EMI), making them ideal for use in various applications, from audio equipment to medical devices. However, like all electrical components, toroidal transformers can sometimes produce an unwanted sound \u2014 the hum. Understanding the causes of this hum and how to prevent [&hellip;]"}